Fixed MTP to work with TWRP

arch/ia64/Kconfig

@@ -0,0 +1,648 @@
+source "init/Kconfig"
+
+source "kernel/Kconfig.freezer"
+
+menu "Processor type and features"
+
+config IA64
+	bool
+	select ARCH_MIGHT_HAVE_PC_PARPORT
+	select ARCH_MIGHT_HAVE_PC_SERIO
+	select PCI if (!IA64_HP_SIM)
+	select ACPI if (!IA64_HP_SIM)
+	select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
+	select PM if (!IA64_HP_SIM)
+	select HAVE_UNSTABLE_SCHED_CLOCK
+	select HAVE_IDE
+	select HAVE_OPROFILE
+	select HAVE_KPROBES
+	select HAVE_KRETPROBES
+	select HAVE_FTRACE_MCOUNT_RECORD
+	select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
+	select HAVE_FUNCTION_TRACER
+	select HAVE_DMA_ATTRS
+	select HAVE_KVM
+	select TTY
+	select HAVE_ARCH_TRACEHOOK
+	select HAVE_DMA_API_DEBUG
+	select HAVE_MEMBLOCK
+	select HAVE_MEMBLOCK_NODE_MAP
+	select HAVE_VIRT_CPU_ACCOUNTING
+	select ARCH_HAS_SG_CHAIN
+	select VIRT_TO_BUS
+	select ARCH_DISCARD_MEMBLOCK
+	select GENERIC_IRQ_PROBE
+	select GENERIC_PENDING_IRQ if SMP
+	select GENERIC_IRQ_SHOW
+	select GENERIC_IRQ_LEGACY
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select ARCH_HAVE_NMI_SAFE_CMPXCHG
+	select GENERIC_IOMAP
+	select GENERIC_SMP_IDLE_THREAD
+	select ARCH_INIT_TASK
+	select ARCH_TASK_STRUCT_ALLOCATOR
+	select ARCH_THREAD_INFO_ALLOCATOR
+	select ARCH_CLOCKSOURCE_DATA
+	select GENERIC_TIME_VSYSCALL_OLD
+	select SYSCTL_ARCH_UNALIGN_NO_WARN
+	select HAVE_MOD_ARCH_SPECIFIC
+	select MODULES_USE_ELF_RELA
+	select ARCH_USE_CMPXCHG_LOCKREF
+	select HAVE_ARCH_AUDITSYSCALL
+	default y
+	help
+	  The Itanium Processor Family is Intel's 64-bit successor to
+	  the 32-bit X86 line.  The IA-64 Linux project has a home
+	  page at <http://www.linuxia64.org/> and a mailing list at
+	  <linux-ia64@vger.kernel.org>.
+
+config 64BIT
+	bool
+	select ATA_NONSTANDARD if ATA
+	default y
+
+config ZONE_DMA
+	def_bool y
+	depends on !IA64_SGI_SN2
+
+config QUICKLIST
+	bool
+	default y
+
+config MMU
+	bool
+	default y
+
+config ARCH_DMA_ADDR_T_64BIT
+	def_bool y
+
+config NEED_DMA_MAP_STATE
+	def_bool y
+
+config NEED_SG_DMA_LENGTH
+	def_bool y
+
+config SWIOTLB
+       bool
+
+config STACKTRACE_SUPPORT
+	def_bool y
+
+config GENERIC_LOCKBREAK
+	def_bool n
+
+config RWSEM_XCHGADD_ALGORITHM
+	bool
+	default y
+
+config HUGETLB_PAGE_SIZE_VARIABLE
+	bool
+	depends on HUGETLB_PAGE
+	default y
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+config HAVE_SETUP_PER_CPU_AREA
+	def_bool y
+
+config DMI
+	bool
+	default y
+	select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
+
+config EFI
+	bool
+	select UCS2_STRING
+	default y
+
+config SCHED_OMIT_FRAME_POINTER
+	bool
+	default y
+
+config IA64_UNCACHED_ALLOCATOR
+	bool
+	select GENERIC_ALLOCATOR
+
+config ARCH_USES_PG_UNCACHED
+	def_bool y
+	depends on IA64_UNCACHED_ALLOCATOR
+
+config AUDIT_ARCH
+	bool
+	default y
+
+menuconfig PARAVIRT_GUEST
+	bool "Paravirtualized guest support"
+	depends on BROKEN
+	help
+	  Say Y here to get to see options related to running Linux under
+	  various hypervisors.  This option alone does not add any kernel code.
+
+	  If you say N, all options in this submenu will be skipped and disabled.
+
+if PARAVIRT_GUEST
+
+config PARAVIRT
+	bool "Enable paravirtualization code"
+	depends on PARAVIRT_GUEST
+	default y
+	help
+	  This changes the kernel so it can modify itself when it is run
+	  under a hypervisor, potentially improving performance significantly
+	  over full virtualization.  However, when run without a hypervisor
+	  the kernel is theoretically slower and slightly larger.
+
+endif
+
+choice
+	prompt "System type"
+	default IA64_GENERIC
+
+config IA64_GENERIC
+	bool "generic"
+	select NUMA
+	select ACPI_NUMA
+	select SWIOTLB
+	select PCI_MSI
+	help
+	  This selects the system type of your hardware.  A "generic" kernel
+	  will run on any supported IA-64 system.  However, if you configure
+	  a kernel for your specific system, it will be faster and smaller.
+
+	  generic		For any supported IA-64 system
+	  DIG-compliant		For DIG ("Developer's Interface Guide") compliant systems
+	  DIG+Intel+IOMMU	For DIG systems with Intel IOMMU
+	  HP-zx1/sx1000		For HP systems
+	  HP-zx1/sx1000+swiotlb	For HP systems with (broken) DMA-constrained devices.
+	  SGI-SN2		For SGI Altix systems
+	  SGI-UV		For SGI UV systems
+	  Ski-simulator		For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
+
+	  If you don't know what to do, choose "generic".
+
+config IA64_DIG
+	bool "DIG-compliant"
+	select SWIOTLB
+
+config IA64_DIG_VTD
+	bool "DIG+Intel+IOMMU"
+	select INTEL_IOMMU
+	select PCI_MSI
+
+config IA64_HP_ZX1
+	bool "HP-zx1/sx1000"
+	help
+	  Build a kernel that runs on HP zx1 and sx1000 systems.  This adds
+	  support for the HP I/O MMU.
+
+config IA64_HP_ZX1_SWIOTLB
+	bool "HP-zx1/sx1000 with software I/O TLB"
+	select SWIOTLB
+	help
+	  Build a kernel that runs on HP zx1 and sx1000 systems even when they
+	  have broken PCI devices which cannot DMA to full 32 bits.  Apart
+	  from support for the HP I/O MMU, this includes support for the software
+	  I/O TLB, which allows supporting the broken devices at the expense of
+	  wasting some kernel memory (about 2MB by default).
+
+config IA64_SGI_SN2
+	bool "SGI-SN2"
+	select NUMA
+	select ACPI_NUMA
+	help
+	  Selecting this option will optimize the kernel for use on sn2 based
+	  systems, but the resulting kernel binary will not run on other
+	  types of ia64 systems.  If you have an SGI Altix system, it's safe
+	  to select this option.  If in doubt, select ia64 generic support
+	  instead.
+
+config IA64_SGI_UV
+	bool "SGI-UV"
+	select NUMA
+	select ACPI_NUMA
+	select SWIOTLB
+	help
+	  Selecting this option will optimize the kernel for use on UV based
+	  systems, but the resulting kernel binary will not run on other
+	  types of ia64 systems.  If you have an SGI UV system, it's safe
+	  to select this option.  If in doubt, select ia64 generic support
+	  instead.
+
+config IA64_HP_SIM
+	bool "Ski-simulator"
+	select SWIOTLB
+
+endchoice
+
+choice
+	prompt "Processor type"
+	default ITANIUM
+
+config ITANIUM
+	bool "Itanium"
+	help
+	  Select your IA-64 processor type.  The default is Itanium.
+	  This choice is safe for all IA-64 systems, but may not perform
+	  optimally on systems with, say, Itanium 2 or newer processors.
+
+config MCKINLEY
+	bool "Itanium 2"
+	help
+	  Select this to configure for an Itanium 2 (McKinley) processor.
+
+endchoice
+
+choice
+	prompt "Kernel page size"
+	default IA64_PAGE_SIZE_16KB
+
+config IA64_PAGE_SIZE_4KB
+	bool "4KB"
+	help
+	  This lets you select the page size of the kernel.  For best IA-64
+	  performance, a page size of 8KB or 16KB is recommended.  For best
+	  IA-32 compatibility, a page size of 4KB should be selected (the vast
+	  majority of IA-32 binaries work perfectly fine with a larger page
+	  size).  For Itanium 2 or newer systems, a page size of 64KB can also
+	  be selected.
+
+	  4KB                For best IA-32 compatibility
+	  8KB                For best IA-64 performance
+	  16KB               For best IA-64 performance
+	  64KB               Requires Itanium 2 or newer processor.
+
+	  If you don't know what to do, choose 16KB.
+
+config IA64_PAGE_SIZE_8KB
+	bool "8KB"
+
+config IA64_PAGE_SIZE_16KB
+	bool "16KB"
+
+config IA64_PAGE_SIZE_64KB
+	depends on !ITANIUM
+	bool "64KB"
+
+endchoice
+
+choice
+	prompt "Page Table Levels"
+	default PGTABLE_3
+
+config PGTABLE_3
+	bool "3 Levels"
+
+config PGTABLE_4
+	depends on !IA64_PAGE_SIZE_64KB
+	bool "4 Levels"
+
+endchoice
+
+if IA64_HP_SIM
+config HZ
+	default 32
+endif
+
+if !IA64_HP_SIM
+source kernel/Kconfig.hz
+endif
+
+config IA64_BRL_EMU
+	bool
+	depends on ITANIUM
+	default y
+
+# align cache-sensitive data to 128 bytes
+config IA64_L1_CACHE_SHIFT
+	int
+	default "7" if MCKINLEY
+	default "6" if ITANIUM
+
+config IA64_CYCLONE
+	bool "Cyclone (EXA) Time Source support"
+	help
+	  Say Y here to enable support for IBM EXA Cyclone time source.
+	  If you're unsure, answer N.
+
+config IOSAPIC
+	bool
+	depends on !IA64_HP_SIM
+	default y
+
+config FORCE_MAX_ZONEORDER
+	int "MAX_ORDER (11 - 17)"  if !HUGETLB_PAGE
+	range 11 17  if !HUGETLB_PAGE
+	default "17" if HUGETLB_PAGE
+	default "11"
+
+config SMP
+	bool "Symmetric multi-processing support"
+	help
+	  This enables support for systems with more than one CPU. If you have
+	  a system with only one CPU, say N.  If you have a system with more
+	  than one CPU, say Y.
+
+	  If you say N here, the kernel will run on single and multiprocessor
+	  systems, but will use only one CPU of a multiprocessor system.  If
+	  you say Y here, the kernel will run on many, but not all,
+	  single processor systems.  On a single processor system, the kernel
+	  will run faster if you say N here.
+
+	  See also the SMP-HOWTO available at
+	  <http://www.tldp.org/docs.html#howto>.
+
+	  If you don't know what to do here, say N.
+
+config NR_CPUS
+	int "Maximum number of CPUs (2-4096)"
+	range 2 4096
+	depends on SMP
+	default "4096"
+	help
+	  You should set this to the number of CPUs in your system, but
+	  keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
+	  only use 2 CPUs on a >2 CPU system.  Setting this to a value larger
+	  than 64 will cause the use of a CPU mask array, causing a small
+	  performance hit.
+
+config HOTPLUG_CPU
+	bool "Support for hot-pluggable CPUs"
+	depends on SMP
+	default n
+	---help---
+	  Say Y here to experiment with turning CPUs off and on.  CPUs
+	  can be controlled through /sys/devices/system/cpu/cpu#.
+	  Say N if you want to disable CPU hotplug.
+
+config ARCH_ENABLE_MEMORY_HOTPLUG
+	def_bool y
+
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+	def_bool y
+
+config SCHED_SMT
+	bool "SMT scheduler support"
+	depends on SMP
+	help
+	  Improves the CPU scheduler's decision making when dealing with
+	  Intel IA64 chips with MultiThreading at a cost of slightly increased
+	  overhead in some places. If unsure say N here.
+
+config PERMIT_BSP_REMOVE
+	bool "Support removal of Bootstrap Processor"
+	depends on HOTPLUG_CPU
+	default n
+	---help---
+	Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
+	support. 
+
+config FORCE_CPEI_RETARGET
+	bool "Force assumption that CPEI can be re-targeted"
+	depends on PERMIT_BSP_REMOVE
+	default n
+	---help---
+	Say Y if you need to force the assumption that CPEI can be re-targeted to
+	any cpu in the system. This hint is available via ACPI 3.0 specifications.
+	Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
+	This option it useful to enable this feature on older BIOS's as well.
+	You can also enable this by using boot command line option force_cpei=1.
+
+source "kernel/Kconfig.preempt"
+
+source "mm/Kconfig"
+
+config ARCH_SELECT_MEMORY_MODEL
+	def_bool y
+
+config ARCH_DISCONTIGMEM_ENABLE
+	def_bool y
+	help
+	  Say Y to support efficient handling of discontiguous physical memory,
+	  for architectures which are either NUMA (Non-Uniform Memory Access)
+	  or have huge holes in the physical address space for other reasons.
+ 	  See <file:Documentation/vm/numa> for more.
+
+config ARCH_FLATMEM_ENABLE
+	def_bool y
+
+config ARCH_SPARSEMEM_ENABLE
+	def_bool y
+	depends on ARCH_DISCONTIGMEM_ENABLE
+	select SPARSEMEM_VMEMMAP_ENABLE
+
+config ARCH_DISCONTIGMEM_DEFAULT
+	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
+	depends on ARCH_DISCONTIGMEM_ENABLE
+
+config NUMA
+	bool "NUMA support"
+	depends on !IA64_HP_SIM && !FLATMEM
+	default y if IA64_SGI_SN2
+	select ACPI_NUMA if ACPI
+	help
+	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
+	  Access).  This option is for configuring high-end multiprocessor
+	  server systems.  If in doubt, say N.
+
+config NODES_SHIFT
+	int "Max num nodes shift(3-10)"
+	range 3 10
+	default "10"
+	depends on NEED_MULTIPLE_NODES
+	help
+	  This option specifies the maximum number of nodes in your SSI system.
+	  MAX_NUMNODES will be 2^(This value).
+	  If in doubt, use the default.
+
+# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
+# VIRTUAL_MEM_MAP has been retained for historical reasons.
+config VIRTUAL_MEM_MAP
+	bool "Virtual mem map"
+	depends on !SPARSEMEM
+	default y if !IA64_HP_SIM
+	help
+	  Say Y to compile the kernel with support for a virtual mem map.
+	  This code also only takes effect if a memory hole of greater than
+	  1 Gb is found during boot.  You must turn this option on if you
+	  require the DISCONTIGMEM option for your machine. If you are
+	  unsure, say Y.
+
+config HOLES_IN_ZONE
+	bool
+	default y if VIRTUAL_MEM_MAP
+
+config HAVE_ARCH_EARLY_PFN_TO_NID
+	def_bool NUMA && SPARSEMEM
+
+config HAVE_ARCH_NODEDATA_EXTENSION
+	def_bool y
+	depends on NUMA
+
+config USE_PERCPU_NUMA_NODE_ID
+	def_bool y
+	depends on NUMA
+
+config HAVE_MEMORYLESS_NODES
+	def_bool NUMA
+
+config ARCH_PROC_KCORE_TEXT
+	def_bool y
+	depends on PROC_KCORE
+
+config IA64_MCA_RECOVERY
+	tristate "MCA recovery from errors other than TLB."
+
+config PERFMON
+	bool "Performance monitor support"
+	help
+	  Selects whether support for the IA-64 performance monitor hardware
+	  is included in the kernel.  This makes some kernel data-structures a
+	  little bigger and slows down execution a bit, but it is generally
+	  a good idea to turn this on.  If you're unsure, say Y.
+
+config IA64_PALINFO
+	tristate "/proc/pal support"
+	help
+	  If you say Y here, you are able to get PAL (Processor Abstraction
+	  Layer) information in /proc/pal.  This contains useful information
+	  about the processors in your systems, such as cache and TLB sizes
+	  and the PAL firmware version in use.
+
+	  To use this option, you have to ensure that the "/proc file system
+	  support" (CONFIG_PROC_FS) is enabled, too.
+
+config IA64_MC_ERR_INJECT
+	tristate "MC error injection support"
+	help
+	  Adds support for MC error injection. If enabled, the kernel 
+	  will provide a sysfs interface for user applications to
+	  call MC error injection PAL procedures to inject various errors.
+	  This is a useful tool for MCA testing.
+
+	  If you're unsure, do not select this option.
+
+config SGI_SN
+	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
+
+config IA64_ESI
+	bool "ESI (Extensible SAL Interface) support"
+	help
+	  If you say Y here, support is built into the kernel to
+	  make ESI calls.  ESI calls are used to support vendor-specific
+	  firmware extensions, such as the ability to inject memory-errors
+	  for test-purposes.  If you're unsure, say N.
+
+config IA64_HP_AML_NFW
+	bool "Support ACPI AML calls to native firmware"
+	help
+	  This driver installs a global ACPI Operation Region handler for
+	  region 0xA1.  AML methods can use this OpRegion to call arbitrary
+	  native firmware functions.  The driver installs the OpRegion
+	  handler if there is an HPQ5001 device or if the user supplies
+	  the "force" module parameter, e.g., with the "aml_nfw.force"
+	  kernel command line option.
+
+source "drivers/sn/Kconfig"
+
+config KEXEC
+	bool "kexec system call"
+	depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
+	help
+	  kexec is a system call that implements the ability to shutdown your
+	  current kernel, and to start another kernel.  It is like a reboot
+	  but it is independent of the system firmware.   And like a reboot
+	  you can start any kernel with it, not just Linux.
+
+	  The name comes from the similarity to the exec system call.
+
+	  It is an ongoing process to be certain the hardware in a machine
+	  is properly shutdown, so do not be surprised if this code does not
+	  initially work for you.  As of this writing the exact hardware
+	  interface is strongly in flux, so no good recommendation can be
+	  made.
+
+config CRASH_DUMP
+	  bool "kernel crash dumps"
+	  depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
+	  help
+	    Generate crash dump after being started by kexec.
+
+source "drivers/firmware/Kconfig"
+
+source "fs/Kconfig.binfmt"
+
+endmenu
+
+menu "Power management and ACPI options"
+
+source "kernel/power/Kconfig"
+
+source "drivers/acpi/Kconfig"
+
+if PM
+menu "CPU Frequency scaling"
+source "drivers/cpufreq/Kconfig"
+endmenu
+endif
+
+endmenu
+
+if !IA64_HP_SIM
+
+menu "Bus options (PCI, PCMCIA)"
+
+config PCI
+	bool "PCI support"
+	help
+	  Real IA-64 machines all have PCI/PCI-X/PCI Express busses.  Say Y
+	  here unless you are using a simulator without PCI support.
+
+config PCI_DOMAINS
+	def_bool PCI
+
+config PCI_SYSCALL
+	def_bool PCI
+
+source "drivers/pci/pcie/Kconfig"
+
+source "drivers/pci/Kconfig"
+
+source "drivers/pci/hotplug/Kconfig"
+
+source "drivers/pcmcia/Kconfig"
+
+endmenu
+
+endif
+
+source "net/Kconfig"
+
+source "drivers/Kconfig"
+
+source "arch/ia64/hp/sim/Kconfig"
+
+config MSPEC
+	tristate "Memory special operations driver"
+	depends on IA64
+	select IA64_UNCACHED_ALLOCATOR
+	help
+	  If you have an ia64 and you want to enable memory special
+	  operations support (formerly known as fetchop), say Y here,
+	  otherwise say N.
+
+source "fs/Kconfig"
+
+source "arch/ia64/Kconfig.debug"
+
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
+source "arch/ia64/kvm/Kconfig"
+
+source "lib/Kconfig"
+
+config IOMMU_HELPER
+	def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)

arch/ia64/Kconfig.debug

@@ -0,0 +1,64 @@
+menu "Kernel hacking"
+
+source "lib/Kconfig.debug"
+
+choice
+	prompt "Physical memory granularity"
+	default IA64_GRANULE_64MB
+
+config IA64_GRANULE_16MB
+	bool "16MB"
+	help
+	  IA-64 identity-mapped regions use a large page size called "granules".
+
+	  Select "16MB" for a small granule size.
+	  Select "64MB" for a large granule size.  This is the current default.
+
+config IA64_GRANULE_64MB
+	bool "64MB"
+	depends on !(IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_SGI_SN2)
+
+endchoice
+
+config IA64_PRINT_HAZARDS
+	bool "Print possible IA-64 dependency violations to console"
+	depends on DEBUG_KERNEL
+	help
+	  Selecting this option prints more information for Illegal Dependency
+	  Faults, that is, for Read-after-Write (RAW), Write-after-Write (WAW),
+	  or Write-after-Read (WAR) violations.  This option is ignored if you
+	  are compiling for an Itanium A step processor
+	  (CONFIG_ITANIUM_ASTEP_SPECIFIC).  If you're unsure, select Y.
+
+config DISABLE_VHPT
+	bool "Disable VHPT"
+	depends on DEBUG_KERNEL
+	help
+	  The Virtual Hash Page Table (VHPT) enhances virtual address
+	  translation performance.  Normally you want the VHPT active but you
+	  can select this option to disable the VHPT for debugging.  If you're
+	  unsure, answer N.
+
+config IA64_DEBUG_CMPXCHG
+	bool "Turn on compare-and-exchange bug checking (slow!)"
+	depends on DEBUG_KERNEL
+	help
+	  Selecting this option turns on bug checking for the IA-64
+	  compare-and-exchange instructions.  This is slow!  Itaniums
+	  from step B3 or later don't have this problem. If you're unsure,
+	  select N.
+
+config IA64_DEBUG_IRQ
+	bool "Turn on irq debug checks (slow!)"
+	depends on DEBUG_KERNEL
+	help
+	  Selecting this option turns on bug checking for the IA-64 irq_save
+	  and restore instructions.  It's useful for tracking down spinlock
+	  problems, but slow!  If you're unsure, select N.
+
+config SYSVIPC_COMPAT
+	bool
+	depends on COMPAT && SYSVIPC
+	default y
+
+endmenu

arch/ia64/Makefile

@@ -0,0 +1,103 @@
+#
+# ia64/Makefile
+#
+# This file is included by the global makefile so that you can add your own
+# architecture-specific flags and dependencies.
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 1998-2004 by David Mosberger-Tang <davidm@hpl.hp.com>
+#
+
+KBUILD_DEFCONFIG := generic_defconfig
+
+NM := $(CROSS_COMPILE)nm -B
+READELF := $(CROSS_COMPILE)readelf
+
+export AWK
+
+CHECKFLAGS	+= -m64 -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__
+
+OBJCOPYFLAGS	:= --strip-all
+LDFLAGS_vmlinux	:= -static
+KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/ia64/module.lds
+KBUILD_AFLAGS_KERNEL := -mconstant-gp
+EXTRA		:=
+
+cflags-y	:= -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
+		   -falign-functions=32 -frename-registers -fno-optimize-sibling-calls
+KBUILD_CFLAGS_KERNEL := -mconstant-gp
+
+GAS_STATUS	= $(shell $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)")
+KBUILD_CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)")
+
+ifeq ($(GAS_STATUS),buggy)
+$(error Sorry, you need a newer version of the assember, one that is built from	\
+	a source-tree that post-dates 18-Dec-2002.  You can find a pre-compiled	\
+	static binary of such an assembler at:					\
+										\
+		ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
+endif
+
+KBUILD_CFLAGS += $(cflags-y)
+head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
+
+libs-y				+= arch/ia64/lib/
+core-y				+= arch/ia64/kernel/ arch/ia64/mm/
+core-$(CONFIG_IA64_DIG) 	+= arch/ia64/dig/
+core-$(CONFIG_IA64_DIG_VTD) 	+= arch/ia64/dig/
+core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
+core-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/dig/
+core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
+core-$(CONFIG_IA64_SGI_SN2)	+= arch/ia64/sn/
+core-$(CONFIG_IA64_SGI_UV)	+= arch/ia64/uv/
+core-$(CONFIG_KVM) 		+= arch/ia64/kvm/
+
+drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
+drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/
+drivers-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/
+drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
+drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/ arch/ia64/uv/
+drivers-$(CONFIG_OPROFILE)	+= arch/ia64/oprofile/
+
+boot := arch/ia64/hp/sim/boot
+
+PHONY += boot compressed check
+
+all: compressed unwcheck
+
+compressed: vmlinux.gz
+
+vmlinuz: vmlinux.gz
+
+vmlinux.gz: vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) $@
+
+unwcheck: vmlinux
+	-$(Q)READELF=$(READELF) $(PYTHON) $(srctree)/arch/ia64/scripts/unwcheck.py $<
+
+archclean:
+	$(Q)$(MAKE) $(clean)=$(boot)
+
+CLEAN_FILES += vmlinux.gz bootloader
+
+boot:	lib/lib.a vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) $@
+
+install: vmlinux.gz
+	sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
+
+define archhelp
+  echo '* compressed	- Build compressed kernel image'
+  echo '  install	- Install compressed kernel image'
+  echo '  boot		- Build vmlinux and bootloader for Ski simulator'
+  echo '* unwcheck	- Check vmlinux for invalid unwind info'
+endef
+
+archprepare: make_nr_irqs_h FORCE
+PHONY += make_nr_irqs_h FORCE
+
+make_nr_irqs_h: FORCE
+	$(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h

arch/ia64/configs/bigsur_defconfig

@@ -0,0 +1,109 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
+CONFIG_IA64_DIG=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
+CONFIG_PREEMPT=y
+# CONFIG_VIRTUAL_MEM_MAP is not set
+CONFIG_PERFMON=y
+CONFIG_IA64_PALINFO=y
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=m
+CONFIG_ACPI_BUTTON=m
+CONFIG_ACPI_FAN=m
+CONFIG_ACPI_PROCESSOR=m
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+# CONFIG_IPV6 is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=m
+CONFIG_IDE=m
+CONFIG_BLK_DEV_IDECD=m
+CONFIG_BLK_DEV_GENERIC=m
+CONFIG_BLK_DEV_PIIX=m
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SPI_ATTRS=m
+CONFIG_SCSI_QLOGIC_1280=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_RAID10=m
+CONFIG_MD_MULTIPATH=m
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_EFI_RTC=y
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_AGP=m
+CONFIG_AGP_I460=m
+CONFIG_DRM=m
+CONFIG_DRM_R128=m
+CONFIG_SOUND=m
+CONFIG_SND=m
+CONFIG_SND_SEQUENCER=m
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_CS4281=m
+CONFIG_USB_HIDDEV=y
+CONFIG_USB=m
+CONFIG_USB_MON=m
+CONFIG_USB_UHCI_HCD=m
+CONFIG_USB_ACM=m
+CONFIG_USB_PRINTER=m
+CONFIG_USB_STORAGE=m
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+CONFIG_XFS_FS=y
+CONFIG_XFS_QUOTA=y
+CONFIG_XFS_POSIX_ACL=y
+CONFIG_AUTOFS4_FS=m
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V4=m
+CONFIG_NFSD=m
+CONFIG_NFSD_V4=y
+CONFIG_CIFS=m
+CONFIG_CIFS_STATS=y
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=m
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_DES=y

arch/ia64/configs/generic_defconfig

@@ -0,0 +1,220 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=20
+CONFIG_CGROUPS=y
+CONFIG_CPUSETS=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
+CONFIG_MCKINLEY=y
+CONFIG_IA64_PAGE_SIZE_64KB=y
+CONFIG_IA64_CYCLONE=y
+CONFIG_SMP=y
+CONFIG_HOTPLUG_CPU=y
+CONFIG_IA64_MCA_RECOVERY=y
+CONFIG_PERFMON=y
+CONFIG_IA64_PALINFO=y
+CONFIG_KEXEC=y
+CONFIG_CRASH_DUMP=y
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=m
+CONFIG_ACPI_BUTTON=m
+CONFIG_ACPI_FAN=m
+CONFIG_ACPI_DOCK=y
+CONFIG_ACPI_PROCESSOR=m
+CONFIG_HOTPLUG_PCI=y
+CONFIG_HOTPLUG_PCI_ACPI=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_SYN_COOKIES=y
+# CONFIG_IPV6 is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_CONNECTOR=y
+# CONFIG_PNP_DEBUG_MESSAGES is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SGI_IOC4=y
+CONFIG_SGI_XP=m
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_GENERIC=y
+CONFIG_BLK_DEV_CMD64X=y
+CONFIG_BLK_DEV_PIIX=y
+CONFIG_BLK_DEV_SGIIOC4=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=m
+CONFIG_BLK_DEV_SR=m
+CONFIG_CHR_DEV_SG=m
+CONFIG_SCSI_FC_ATTRS=y
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_QLOGIC_1280=y
+CONFIG_ATA=y
+CONFIG_ATA_PIIX=y
+CONFIG_SATA_VITESSE=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_MULTIPATH=m
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
+CONFIG_FUSION_FC=m
+CONFIG_FUSION_SAS=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=m
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=m
+CONFIG_E100=m
+CONFIG_E1000=y
+CONFIG_IGB=y
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_GAMEPORT=m
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SGI_SNSC=y
+CONFIG_SGI_TIOCX=y
+CONFIG_SGI_MBCS=m
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=6
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_SGI_L1_CONSOLE=y
+CONFIG_SERIAL_SGI_IOC4=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_EFI_RTC=y
+CONFIG_RAW_DRIVER=m
+CONFIG_HPET=y
+CONFIG_AGP=m
+CONFIG_AGP_I460=m
+CONFIG_AGP_HP_ZX1=m
+CONFIG_AGP_SGI_TIOCA=m
+CONFIG_DRM=m
+CONFIG_DRM_TDFX=m
+CONFIG_DRM_R128=m
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_MGA=m
+CONFIG_DRM_SIS=m
+CONFIG_SOUND=m
+CONFIG_SND=m
+CONFIG_SND_SEQUENCER=m
+CONFIG_SND_SEQ_DUMMY=m
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_VERBOSE_PRINTK=y
+CONFIG_SND_DUMMY=m
+CONFIG_SND_VIRMIDI=m
+CONFIG_SND_MTPAV=m
+CONFIG_SND_SERIAL_U16550=m
+CONFIG_SND_MPU401=m
+CONFIG_SND_CS4281=m
+CONFIG_SND_CS46XX=m
+CONFIG_SND_EMU10K1=m
+CONFIG_SND_FM801=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_PANTHERLORD=m
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SONY=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_USB=m
+CONFIG_USB_MON=m
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_UHCI_HCD=m
+CONFIG_USB_STORAGE=m
+CONFIG_INFINIBAND=m
+CONFIG_INFINIBAND_MTHCA=m
+CONFIG_INFINIBAND_IPOIB=m
+CONFIG_INTEL_IOMMU=y
+CONFIG_MSPEC=m
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_REISERFS_FS=y
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+CONFIG_REISERFS_FS_SECURITY=y
+CONFIG_XFS_FS=y
+CONFIG_AUTOFS4_FS=m
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_NTFS_FS=m
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V4=m
+CONFIG_NFSD=m
+CONFIG_NFSD_V4=y
+CONFIG_CIFS=m
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_UTF8=m
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRC_T10DIF=y

arch/ia64/configs/gensparse_defconfig

@@ -0,0 +1,199 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=20
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
+CONFIG_MCKINLEY=y
+CONFIG_IA64_CYCLONE=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=512
+CONFIG_HOTPLUG_CPU=y
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_IA64_MCA_RECOVERY=y
+CONFIG_PERFMON=y
+CONFIG_IA64_PALINFO=y
+CONFIG_SGI_IOC3=y
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=m
+CONFIG_ACPI_BUTTON=m
+CONFIG_ACPI_FAN=m
+CONFIG_ACPI_PROCESSOR=m
+CONFIG_HOTPLUG_PCI=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_SYN_COOKIES=y
+# CONFIG_IPV6 is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SGI_IOC4=y
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDECD=y
+CONFIG_IDE_GENERIC=y
+CONFIG_BLK_DEV_GENERIC=y
+CONFIG_BLK_DEV_CMD64X=y
+CONFIG_BLK_DEV_PIIX=y
+CONFIG_BLK_DEV_SGIIOC4=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=m
+CONFIG_BLK_DEV_SR=m
+CONFIG_CHR_DEV_SG=m
+CONFIG_SCSI_FC_ATTRS=y
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_QLOGIC_1280=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_MULTIPATH=m
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
+CONFIG_FUSION_FC=m
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=m
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=m
+CONFIG_E100=m
+CONFIG_E1000=y
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_GAMEPORT=m
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SGI_SNSC=y
+CONFIG_SGI_TIOCX=y
+CONFIG_SGI_MBCS=m
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=6
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_SGI_L1_CONSOLE=y
+CONFIG_SERIAL_SGI_IOC4=y
+CONFIG_SERIAL_SGI_IOC3=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_EFI_RTC=y
+CONFIG_RAW_DRIVER=m
+CONFIG_HPET=y
+CONFIG_AGP=m
+CONFIG_AGP_I460=m
+CONFIG_AGP_HP_ZX1=m
+CONFIG_AGP_SGI_TIOCA=m
+CONFIG_DRM=m
+CONFIG_DRM_TDFX=m
+CONFIG_DRM_R128=m
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_MGA=m
+CONFIG_DRM_SIS=m
+CONFIG_SOUND=m
+CONFIG_SND=m
+CONFIG_SND_SEQUENCER=m
+CONFIG_SND_SEQ_DUMMY=m
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_VERBOSE_PRINTK=y
+CONFIG_SND_DUMMY=m
+CONFIG_SND_VIRMIDI=m
+CONFIG_SND_MTPAV=m
+CONFIG_SND_SERIAL_U16550=m
+CONFIG_SND_MPU401=m
+CONFIG_SND_CS4281=m
+CONFIG_SND_CS46XX=m
+CONFIG_SND_EMU10K1=m
+CONFIG_SND_FM801=m
+CONFIG_USB=m
+CONFIG_USB_MON=m
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_UHCI_HCD=m
+CONFIG_USB_STORAGE=m
+CONFIG_INFINIBAND=m
+CONFIG_INFINIBAND_MTHCA=m
+CONFIG_INFINIBAND_IPOIB=m
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_REISERFS_FS=y
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+CONFIG_REISERFS_FS_SECURITY=y
+CONFIG_XFS_FS=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_NTFS_FS=m
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V4=m
+CONFIG_NFSD=m
+CONFIG_NFSD_V4=y
+CONFIG_CIFS=m
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_UTF8=m
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_CRYPTO_MD5=y

arch/ia64/configs/sim_defconfig

@@ -0,0 +1,52 @@
+CONFIG_SYSVIPC=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_IA64_HP_SIM=y
+CONFIG_MCKINLEY=y
+CONFIG_IA64_PAGE_SIZE_64KB=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=64
+CONFIG_PREEMPT=y
+CONFIG_IA64_PALINFO=m
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IPV6 is not set
+# CONFIG_STANDALONE is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SPI_ATTRS=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO_I8042 is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_EFI_RTC=y
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_HP_SIMETH=y
+CONFIG_HP_SIMSERIAL=y
+CONFIG_HP_SIMSERIAL_CONSOLE=y
+CONFIG_HP_SIMSCSI=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+CONFIG_PROC_KCORE=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y

arch/ia64/configs/tiger_defconfig

@@ -0,0 +1,174 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=20
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
+CONFIG_IA64_DIG=y
+CONFIG_MCKINLEY=y
+CONFIG_IA64_PAGE_SIZE_64KB=y
+CONFIG_IA64_CYCLONE=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=16
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PERMIT_BSP_REMOVE=y
+CONFIG_FORCE_CPEI_RETARGET=y
+CONFIG_IA64_MCA_RECOVERY=y
+CONFIG_PERFMON=y
+CONFIG_IA64_PALINFO=y
+CONFIG_KEXEC=y
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=m
+CONFIG_ACPI_BUTTON=m
+CONFIG_ACPI_FAN=m
+CONFIG_ACPI_PROCESSOR=m
+CONFIG_HOTPLUG_PCI=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_SYN_COOKIES=y
+# CONFIG_IPV6 is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_GENERIC=y
+CONFIG_BLK_DEV_CMD64X=y
+CONFIG_BLK_DEV_PIIX=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=m
+CONFIG_BLK_DEV_SR=m
+CONFIG_CHR_DEV_SG=m
+CONFIG_SCSI_FC_ATTRS=y
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_QLOGIC_1280=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_MULTIPATH=m
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
+CONFIG_FUSION_FC=y
+CONFIG_FUSION_CTL=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=m
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=m
+CONFIG_E100=m
+CONFIG_E1000=y
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_GAMEPORT=m
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=6
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_EFI_RTC=y
+CONFIG_RAW_DRIVER=m
+CONFIG_HPET=y
+CONFIG_AGP=m
+CONFIG_AGP_I460=m
+CONFIG_DRM=m
+CONFIG_DRM_TDFX=m
+CONFIG_DRM_R128=m
+CONFIG_DRM_RADEON=m
+CONFIG_DRM_MGA=m
+CONFIG_DRM_SIS=m
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_UHCI_HCD=y
+CONFIG_USB_STORAGE=m
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_REISERFS_FS=y
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+CONFIG_REISERFS_FS_SECURITY=y
+CONFIG_XFS_FS=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_NTFS_FS=m
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V4=m
+CONFIG_NFSD=m
+CONFIG_NFSD_V4=y
+CONFIG_CIFS=m
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_UTF8=m
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_IA64_GRANULE_16MB=y
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_MD5=y

arch/ia64/configs/zx1_defconfig

@@ -0,0 +1,154 @@
+CONFIG_SYSVIPC=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_KPROBES=y
+CONFIG_MODULES=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_IA64_HP_ZX1=y
+CONFIG_MCKINLEY=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=16
+CONFIG_HOTPLUG_CPU=y
+CONFIG_FLATMEM_MANUAL=y
+CONFIG_IA64_MCA_RECOVERY=y
+CONFIG_PERFMON=y
+CONFIG_IA64_PALINFO=y
+CONFIG_CRASH_DUMP=y
+CONFIG_EFI_VARS=y
+CONFIG_BINFMT_MISC=y
+CONFIG_HOTPLUG_PCI=y
+CONFIG_HOTPLUG_PCI_ACPI=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IPV6 is not set
+CONFIG_NETFILTER=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_GENERIC=y
+CONFIG_BLK_DEV_CMD64X=y
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_CHR_DEV_ST=y
+CONFIG_CHR_DEV_OSST=y
+CONFIG_BLK_DEV_SR=y
+CONFIG_BLK_DEV_SR_VENDOR=y
+CONFIG_CHR_DEV_SG=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_FC_ATTRS=y
+CONFIG_SCSI_SYM53C8XX_2=y
+CONFIG_SCSI_QLOGIC_1280=y
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
+CONFIG_FUSION_FC=y
+CONFIG_FUSION_CTL=m
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_TIGON3=y
+CONFIG_NET_TULIP=y
+CONFIG_TULIP=y
+CONFIG_TULIP_MWI=y
+CONFIG_TULIP_MMIO=y
+CONFIG_TULIP_NAPI=y
+CONFIG_TULIP_NAPI_HW_MITIGATION=y
+CONFIG_E100=y
+CONFIG_E1000=y
+CONFIG_INPUT_JOYDEV=y
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO_I8042 is not set
+# CONFIG_SERIO_SERPORT is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=8
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_EFI_RTC=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_AGP=y
+CONFIG_AGP_HP_ZX1=y
+CONFIG_DRM=y
+CONFIG_DRM_RADEON=y
+CONFIG_FB_RADEON=y
+CONFIG_FB_RADEON_DEBUG=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_SEQUENCER=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_FM801=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB=y
+CONFIG_USB_MON=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_UHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT3_FS=y
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_TMPFS=y
+CONFIG_HUGETLBFS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_UTF8=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_IA64_PRINT_HAZARDS=y
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_PCBC=m

arch/ia64/dig/Makefile

@@ -0,0 +1,14 @@
+#
+# ia64/platform/dig/Makefile
+#
+# Copyright (C) 1999 Silicon Graphics, Inc.
+# Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
+#
+
+obj-y := setup.o
+ifeq ($(CONFIG_INTEL_IOMMU), y)
+obj-$(CONFIG_IA64_GENERIC) += machvec.o machvec_vtd.o
+else
+obj-$(CONFIG_IA64_GENERIC) += machvec.o
+endif
+

arch/ia64/dig/machvec.c

@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		dig
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_dig.h>
+#include <asm/machvec_init.h>

arch/ia64/dig/machvec_vtd.c

@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		dig_vtd
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_dig_vtd.h>
+#include <asm/machvec_init.h>

arch/ia64/dig/setup.c

@@ -0,0 +1,70 @@
+/*
+ * Platform dependent support for DIG64 platforms.
+ *
+ * Copyright (C) 1999 Intel Corp.
+ * Copyright (C) 1999, 2001 Hewlett-Packard Co
+ * Copyright (C) 1999, 2001, 2003 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/string.h>
+#include <linux/screen_info.h>
+#include <linux/console.h>
+#include <linux/timex.h>
+#include <linux/sched.h>
+#include <linux/root_dev.h>
+
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/setup.h>
+
+void __init
+dig_setup (char **cmdline_p)
+{
+	unsigned int orig_x, orig_y, num_cols, num_rows, font_height;
+
+	/*
+	 * Default to /dev/sda2.  This assumes that the EFI partition
+	 * is physical disk 1 partition 1 and the Linux root disk is
+	 * physical disk 1 partition 2.
+	 */
+	ROOT_DEV = Root_SDA2;		/* default to second partition on first drive */
+
+#ifdef CONFIG_SMP
+	init_smp_config();
+#endif
+
+	memset(&screen_info, 0, sizeof(screen_info));
+
+	if (!ia64_boot_param->console_info.num_rows
+	    || !ia64_boot_param->console_info.num_cols)
+	{
+		printk(KERN_WARNING "dig_setup: warning: invalid screen-info, guessing 80x25\n");
+		orig_x = 0;
+		orig_y = 0;
+		num_cols = 80;
+		num_rows = 25;
+		font_height = 16;
+	} else {
+		orig_x = ia64_boot_param->console_info.orig_x;
+		orig_y = ia64_boot_param->console_info.orig_y;
+		num_cols = ia64_boot_param->console_info.num_cols;
+		num_rows = ia64_boot_param->console_info.num_rows;
+		font_height = 400 / num_rows;
+	}
+
+	screen_info.orig_x = orig_x;
+	screen_info.orig_y = orig_y;
+	screen_info.orig_video_cols  = num_cols;
+	screen_info.orig_video_lines = num_rows;
+	screen_info.orig_video_points = font_height;
+	screen_info.orig_video_mode = 3;	/* XXX fake */
+	screen_info.orig_video_isVGA = 1;	/* XXX fake */
+	screen_info.orig_video_ega_bx = 3;	/* XXX fake */
+}

arch/ia64/hp/common/Makefile

@@ -0,0 +1,11 @@
+#
+# ia64/platform/hp/common/Makefile
+#
+# Copyright (C) 2002 Hewlett Packard
+# Copyright (C) Alex Williamson (alex_williamson@hp.com)
+#
+
+obj-y := sba_iommu.o
+obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += hwsw_iommu.o
+obj-$(CONFIG_IA64_GENERIC) += hwsw_iommu.o
+obj-$(CONFIG_IA64_HP_AML_NFW) += aml_nfw.o

arch/ia64/hp/common/aml_nfw.c

@@ -0,0 +1,235 @@
+/*
+ * OpRegion handler to allow AML to call native firmware
+ *
+ * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
+ *	Bjorn Helgaas <bjorn.helgaas@hp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This driver implements HP Open Source Review Board proposal 1842,
+ * which was approved on 9/20/2006.
+ *
+ * For technical documentation, see the HP SPPA Firmware EAS, Appendix F.
+ *
+ * ACPI does not define a mechanism for AML methods to call native firmware
+ * interfaces such as PAL or SAL.  This OpRegion handler adds such a mechanism.
+ * After the handler is installed, an AML method can call native firmware by
+ * storing the arguments and firmware entry point to specific offsets in the
+ * OpRegion.  When AML reads the "return value" offset from the OpRegion, this
+ * handler loads up the arguments, makes the firmware call, and returns the
+ * result.
+ */
+
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <asm/sal.h>
+
+MODULE_AUTHOR("Bjorn Helgaas <bjorn.helgaas@hp.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ACPI opregion handler for native firmware calls");
+
+static bool force_register;
+module_param_named(force, force_register, bool, 0);
+MODULE_PARM_DESC(force, "Install opregion handler even without HPQ5001 device");
+
+#define AML_NFW_SPACE		0xA1
+
+struct ia64_pdesc {
+	void *ip;
+	void *gp;
+};
+
+/*
+ * N.B.  The layout of this structure is defined in the HP SPPA FW EAS, and
+ *	 the member offsets are embedded in AML methods.
+ */
+struct ia64_nfw_context {
+	u64 arg[8];
+	struct ia64_sal_retval ret;
+	u64 ip;
+	u64 gp;
+	u64 pad[2];
+};
+
+static void *virt_map(u64 address)
+{
+	if (address & (1UL << 63))
+		return (void *) (__IA64_UNCACHED_OFFSET | address);
+
+	return __va(address);
+}
+
+static void aml_nfw_execute(struct ia64_nfw_context *c)
+{
+	struct ia64_pdesc virt_entry;
+	ia64_sal_handler entry;
+
+	virt_entry.ip = virt_map(c->ip);
+	virt_entry.gp = virt_map(c->gp);
+
+	entry = (ia64_sal_handler) &virt_entry;
+
+	IA64_FW_CALL(entry, c->ret,
+		     c->arg[0], c->arg[1], c->arg[2], c->arg[3],
+		     c->arg[4], c->arg[5], c->arg[6], c->arg[7]);
+}
+
+static void aml_nfw_read_arg(u8 *offset, u32 bit_width, u64 *value)
+{
+	switch (bit_width) {
+	case 8:
+		*value = *(u8 *)offset;
+		break;
+	case 16:
+		*value = *(u16 *)offset;
+		break;
+	case 32:
+		*value = *(u32 *)offset;
+		break;
+	case 64:
+		*value = *(u64 *)offset;
+		break;
+	}
+}
+
+static void aml_nfw_write_arg(u8 *offset, u32 bit_width, u64 *value)
+{
+	switch (bit_width) {
+	case 8:
+		*(u8 *) offset = *value;
+		break;
+	case 16:
+		*(u16 *) offset = *value;
+		break;
+	case 32:
+		*(u32 *) offset = *value;
+		break;
+	case 64:
+		*(u64 *) offset = *value;
+		break;
+	}
+}
+
+static acpi_status aml_nfw_handler(u32 function, acpi_physical_address address,
+	u32 bit_width, u64 *value, void *handler_context,
+	void *region_context)
+{
+	struct ia64_nfw_context *context = handler_context;
+	u8 *offset = (u8 *) context + address;
+
+	if (bit_width !=  8 && bit_width != 16 &&
+	    bit_width != 32 && bit_width != 64)
+		return AE_BAD_PARAMETER;
+
+	if (address + (bit_width >> 3) > sizeof(struct ia64_nfw_context))
+		return AE_BAD_PARAMETER;
+
+	switch (function) {
+	case ACPI_READ:
+		if (address == offsetof(struct ia64_nfw_context, ret))
+			aml_nfw_execute(context);
+		aml_nfw_read_arg(offset, bit_width, value);
+		break;
+	case ACPI_WRITE:
+		aml_nfw_write_arg(offset, bit_width, value);
+		break;
+	}
+
+	return AE_OK;
+}
+
+static struct ia64_nfw_context global_context;
+static int global_handler_registered;
+
+static int aml_nfw_add_global_handler(void)
+{
+	acpi_status status;
+
+	if (global_handler_registered)
+		return 0;
+
+	status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT,
+		AML_NFW_SPACE, aml_nfw_handler, NULL, &global_context);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	global_handler_registered = 1;
+	printk(KERN_INFO "Global 0x%02X opregion handler registered\n",
+		AML_NFW_SPACE);
+	return 0;
+}
+
+static int aml_nfw_remove_global_handler(void)
+{
+	acpi_status status;
+
+	if (!global_handler_registered)
+		return 0;
+
+	status = acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
+		AML_NFW_SPACE, aml_nfw_handler);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	global_handler_registered = 0;
+	printk(KERN_INFO "Global 0x%02X opregion handler removed\n",
+		AML_NFW_SPACE);
+	return 0;
+}
+
+static int aml_nfw_add(struct acpi_device *device)
+{
+	/*
+	 * We would normally allocate a new context structure and install
+	 * the address space handler for the specific device we found.
+	 * But the HP-UX implementation shares a single global context
+	 * and always puts the handler at the root, so we'll do the same.
+	 */
+	return aml_nfw_add_global_handler();
+}
+
+static int aml_nfw_remove(struct acpi_device *device)
+{
+	return aml_nfw_remove_global_handler();
+}
+
+static const struct acpi_device_id aml_nfw_ids[] = {
+	{"HPQ5001", 0},
+	{"", 0}
+};
+
+static struct acpi_driver acpi_aml_nfw_driver = {
+	.name = "native firmware",
+	.ids = aml_nfw_ids,
+	.ops = {
+		.add = aml_nfw_add,
+		.remove = aml_nfw_remove,
+		},
+};
+
+static int __init aml_nfw_init(void)
+{
+	int result;
+
+	if (force_register)
+		aml_nfw_add_global_handler();
+
+	result = acpi_bus_register_driver(&acpi_aml_nfw_driver);
+	if (result < 0) {
+		aml_nfw_remove_global_handler();
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit aml_nfw_exit(void)
+{
+	acpi_bus_unregister_driver(&acpi_aml_nfw_driver);
+	aml_nfw_remove_global_handler();
+}
+
+module_init(aml_nfw_init);
+module_exit(aml_nfw_exit);

arch/ia64/hp/common/hwsw_iommu.c

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
+ *   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ *
+ * This is a pseudo I/O MMU which dispatches to the hardware I/O MMU
+ * whenever possible.  We assume that the hardware I/O MMU requires
+ * full 32-bit addressability, as is the case, e.g., for HP zx1-based
+ * systems (there, the I/O MMU window is mapped at 3-4GB).  If a
+ * device doesn't provide full 32-bit addressability, we fall back on
+ * the sw I/O TLB.  This is good enough to let us support broken
+ * hardware such as soundcards which have a DMA engine that can
+ * address only 28 bits.
+ */
+
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/swiotlb.h>
+#include <linux/export.h>
+#include <asm/machvec.h>
+
+extern struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
+
+/* swiotlb declarations & definitions: */
+extern int swiotlb_late_init_with_default_size (size_t size);
+
+/*
+ * Note: we need to make the determination of whether or not to use
+ * the sw I/O TLB based purely on the device structure.  Anything else
+ * would be unreliable or would be too intrusive.
+ */
+static inline int use_swiotlb(struct device *dev)
+{
+	return dev && dev->dma_mask &&
+		!sba_dma_ops.dma_supported(dev, *dev->dma_mask);
+}
+
+struct dma_map_ops *hwsw_dma_get_ops(struct device *dev)
+{
+	if (use_swiotlb(dev))
+		return &swiotlb_dma_ops;
+	return &sba_dma_ops;
+}
+EXPORT_SYMBOL(hwsw_dma_get_ops);
+
+void __init
+hwsw_init (void)
+{
+	/* default to a smallish 2MB sw I/O TLB */
+	if (swiotlb_late_init_with_default_size (2 * (1<<20)) != 0) {
+#ifdef CONFIG_IA64_GENERIC
+		/* Better to have normal DMA than panic */
+		printk(KERN_WARNING "%s: Failed to initialize software I/O TLB,"
+		       " reverting to hpzx1 platform vector\n", __func__);
+		machvec_init("hpzx1");
+#else
+		panic("Unable to initialize software I/O TLB services");
+#endif
+	}
+}

arch/ia64/hp/sim/Kconfig

@@ -0,0 +1,22 @@
+
+menu "HP Simulator drivers"
+	depends on IA64_HP_SIM || IA64_GENERIC
+
+config HP_SIMETH
+	bool "Simulated Ethernet "
+	depends on NET
+
+config HP_SIMSERIAL
+	bool "Simulated serial driver support"
+	depends on TTY
+
+config HP_SIMSERIAL_CONSOLE
+	bool "Console for HP simulator"
+	depends on HP_SIMSERIAL
+
+config HP_SIMSCSI
+	bool "Simulated SCSI disk"
+	depends on SCSI=y
+
+endmenu
+

arch/ia64/hp/sim/Makefile

@@ -0,0 +1,16 @@
+#
+# ia64/platform/hp/sim/Makefile
+#
+# Copyright (C) 2002 Hewlett-Packard Co.
+#	David Mosberger-Tang <davidm@hpl.hp.com>
+# Copyright (C) 1999 Silicon Graphics, Inc.
+# Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
+#
+
+obj-y := hpsim_irq.o hpsim_setup.o hpsim.o
+obj-$(CONFIG_IA64_GENERIC) += hpsim_machvec.o
+
+obj-$(CONFIG_HP_SIMETH)	+= simeth.o
+obj-$(CONFIG_HP_SIMSERIAL) += simserial.o
+obj-$(CONFIG_HP_SIMSERIAL_CONSOLE) += hpsim_console.o
+obj-$(CONFIG_HP_SIMSCSI) += simscsi.o

arch/ia64/hp/sim/boot/Makefile

@@ -0,0 +1,37 @@
+#
+# ia64/boot/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 1998, 2003 by David Mosberger-Tang <davidm@hpl.hp.com>
+#
+
+targets-$(CONFIG_IA64_HP_SIM)  += bootloader
+targets := vmlinux.bin vmlinux.gz $(targets-y)
+
+quiet_cmd_cptotop = LN      $@
+      cmd_cptotop = ln -f $< $@
+
+vmlinux.gz: $(obj)/vmlinux.gz $(addprefix $(obj)/,$(targets-y))
+	$(call cmd,cptotop)
+	@echo '  Kernel: $@ is ready'
+
+boot: bootloader
+
+bootloader: $(obj)/bootloader
+	$(call cmd,cptotop)
+
+$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,gzip)
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+
+LDFLAGS_bootloader = -static -T
+
+$(obj)/bootloader: $(src)/bootloader.lds $(obj)/bootloader.o $(obj)/boot_head.o $(obj)/fw-emu.o \
+                   lib/lib.a arch/ia64/lib/built-in.o arch/ia64/lib/lib.a FORCE
+	$(call if_changed,ld)

arch/ia64/hp/sim/boot/boot_head.S

@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <asm/asmmacro.h>
+#include <asm/pal.h>
+
+	.bss
+	.align 16
+stack_mem:
+	.skip 16834
+
+	.text
+
+/* This needs to be defined because lib/string.c:strlcat() calls it in case of error... */
+GLOBAL_ENTRY(printk)
+	break 0
+END(printk)
+
+GLOBAL_ENTRY(_start)
+	.prologue
+	.save rp, r0
+	.body
+	movl gp = __gp
+	movl sp = stack_mem+16384-16
+	bsw.1
+	br.call.sptk.many rp=start_bootloader
+0:	nop 0		  /* dummy nop to make unwinding work */
+END(_start)
+
+/*
+ * Set a break point on this function so that symbols are available to set breakpoints in
+ * the kernel being debugged.
+ */
+GLOBAL_ENTRY(debug_break)
+	br.ret.sptk.many b0
+END(debug_break)
+
+GLOBAL_ENTRY(ssc)
+	.regstk 5,0,0,0
+	mov r15=in4
+	break 0x80001
+	br.ret.sptk.many b0
+END(ssc)
+
+GLOBAL_ENTRY(jmp_to_kernel)
+	.regstk 2,0,0,0
+	mov r28=in0
+	mov b7=in1
+	br.sptk.few b7
+END(jmp_to_kernel)
+
+/*
+ * r28 contains the index of the PAL function
+ * r29--31 the args
+ * Return values in ret0--3 (r8--11)
+ */
+GLOBAL_ENTRY(pal_emulator_static)
+	mov r8=-1
+	mov r9=256
+	;;
+	cmp.gtu p6,p7=r9,r28		/* r28 <= 255? */
+(p6)	br.cond.sptk.few static
+	;;
+	mov r9=512
+	;;
+	cmp.gtu p6,p7=r9,r28
+(p6)	br.cond.sptk.few stacked
+	;;
+static:	cmp.eq p6,p7=PAL_PTCE_INFO,r28
+(p7)	br.cond.sptk.few 1f
+	;;
+	mov r8=0			/* status = 0 */
+	movl r9=0x100000000		/* tc.base */
+	movl r10=0x0000000200000003	/* count[0], count[1] */
+	movl r11=0x1000000000002000	/* stride[0], stride[1] */
+	br.cond.sptk.few rp
+1:	cmp.eq p6,p7=PAL_FREQ_RATIOS,r28
+(p7)	br.cond.sptk.few 1f
+	mov r8=0			/* status = 0 */
+	movl r9 =0x100000064		/* proc_ratio (1/100) */
+	movl r10=0x100000100		/* bus_ratio<<32 (1/256) */
+	movl r11=0x100000064		/* itc_ratio<<32 (1/100) */
+	;;
+1:	cmp.eq p6,p7=PAL_RSE_INFO,r28
+(p7)	br.cond.sptk.few 1f
+	mov r8=0			/* status = 0 */
+	mov r9=96			/* num phys stacked */
+	mov r10=0			/* hints */
+	mov r11=0
+	br.cond.sptk.few rp
+1:	cmp.eq p6,p7=PAL_CACHE_FLUSH,r28		/* PAL_CACHE_FLUSH */
+(p7)	br.cond.sptk.few 1f
+	mov r9=ar.lc
+	movl r8=524288			/* flush 512k million cache lines (16MB) */
+	;;
+	mov ar.lc=r8
+	movl r8=0xe000000000000000
+	;;
+.loop:	fc r8
+	add r8=32,r8
+	br.cloop.sptk.few .loop
+	sync.i
+	;;
+	srlz.i
+	;;
+	mov ar.lc=r9
+	mov r8=r0
+	;;
+1:	cmp.eq p6,p7=PAL_PERF_MON_INFO,r28
+(p7)	br.cond.sptk.few 1f
+	mov r8=0			/* status = 0 */
+	movl r9 =0x08122f04		/* generic=4 width=47 retired=8 cycles=18 */
+	mov r10=0			/* reserved */
+	mov r11=0			/* reserved */
+	mov r16=0xffff			/* implemented PMC */
+	mov r17=0x3ffff			/* implemented PMD */
+	add r18=8,r29			/* second index */
+	;;
+	st8 [r29]=r16,16		/* store implemented PMC */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+	st8 [r29]=r0,16			/* clear remaining bits  */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+	st8 [r29]=r17,16		/* store implemented PMD */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	mov r16=0xf0			/* cycles count capable PMC */
+	;;
+	st8 [r29]=r0,16			/* clear remaining bits  */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	mov r17=0xf0			/* retired bundles capable PMC */
+	;;
+	st8 [r29]=r16,16		/* store cycles capable */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+	st8 [r29]=r0,16			/* clear remaining bits  */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+	st8 [r29]=r17,16		/* store retired bundle capable */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+	st8 [r29]=r0,16			/* clear remaining bits  */
+	st8 [r18]=r0,16			/* clear remaining bits  */
+	;;
+1:	cmp.eq p6,p7=PAL_VM_SUMMARY,r28
+(p7)	br.cond.sptk.few 1f
+	mov	r8=0			/* status = 0  */
+	movl	r9=0x2044040020F1865	/* num_tc_levels=2, num_unique_tcs=4 */
+					/* max_itr_entry=64, max_dtr_entry=64 */
+					/* hash_tag_id=2, max_pkr=15 */
+					/* key_size=24, phys_add_size=50, vw=1 */
+	movl	r10=0x183C		/* rid_size=24, impl_va_msb=60 */
+	;;
+1:	cmp.eq p6,p7=PAL_MEM_ATTRIB,r28
+(p7)	br.cond.sptk.few 1f
+	mov	r8=0			/* status = 0 */
+	mov	r9=0x80|0x01		/* NatPage|WB */
+	;;
+1:	br.cond.sptk.few rp
+stacked:
+	br.ret.sptk.few rp
+END(pal_emulator_static)

arch/ia64/hp/sim/boot/bootloader.c

@@ -0,0 +1,174 @@
+/*
+ * arch/ia64/hp/sim/boot/bootloader.c
+ *
+ * Loads an ELF kernel.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * 01/07/99 S.Eranian modified to pass command line arguments to kernel
+ */
+struct task_struct;	/* forward declaration for elf.h */
+
+#include <linux/elf.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <asm/elf.h>
+#include <asm/intrinsics.h>
+#include <asm/pal.h>
+#include <asm/pgtable.h>
+#include <asm/sal.h>
+
+#include "ssc.h"
+
+struct disk_req {
+	unsigned long addr;
+	unsigned len;
+};
+
+struct disk_stat {
+	int fd;
+	unsigned count;
+};
+
+extern void jmp_to_kernel (unsigned long bp, unsigned long e_entry);
+extern struct ia64_boot_param *sys_fw_init (const char *args, int arglen);
+extern void debug_break (void);
+
+static void
+cons_write (const char *buf)
+{
+	unsigned long ch;
+
+	while ((ch = *buf++) != '\0') {
+		ssc(ch, 0, 0, 0, SSC_PUTCHAR);
+		if (ch == '\n')
+		  ssc('\r', 0, 0, 0, SSC_PUTCHAR);
+	}
+}
+
+#define MAX_ARGS 32
+
+void
+start_bootloader (void)
+{
+	static char mem[4096];
+	static char buffer[1024];
+	unsigned long off;
+	int fd, i;
+	struct disk_req req;
+	struct disk_stat stat;
+	struct elfhdr *elf;
+	struct elf_phdr *elf_phdr;	/* program header */
+	unsigned long e_entry, e_phoff, e_phnum;
+	register struct ia64_boot_param *bp;
+	char *kpath, *args;
+	long arglen = 0;
+
+	ssc(0, 0, 0, 0, SSC_CONSOLE_INIT);
+
+	/*
+	 * S.Eranian: extract the commandline argument from the simulator
+	 *
+	 * The expected format is as follows:
+         *
+	 *	kernelname args...
+	 *
+	 * Both are optional but you can't have the second one without the first.
+	 */
+	arglen = ssc((long) buffer, 0, 0, 0, SSC_GET_ARGS);
+
+	kpath = "vmlinux";
+	args = buffer;
+	if (arglen > 0) {
+		kpath = buffer;
+		while (*args != ' ' && *args != '\0')
+			++args, --arglen;
+		if (*args == ' ')
+			*args++ = '\0', --arglen;
+	}
+
+	if (arglen <= 0) {
+		args = "";
+		arglen = 1;
+	}
+
+	fd = ssc((long) kpath, 1, 0, 0, SSC_OPEN);
+
+	if (fd < 0) {
+		cons_write(kpath);
+		cons_write(": file not found, reboot now\n");
+		for(;;);
+	}
+	stat.fd = fd;
+	off = 0;
+
+	req.len = sizeof(mem);
+	req.addr = (long) mem;
+	ssc(fd, 1, (long) &req, off, SSC_READ);
+	ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
+
+	elf = (struct elfhdr *) mem;
+	if (elf->e_ident[0] == 0x7f && strncmp(elf->e_ident + 1, "ELF", 3) != 0) {
+		cons_write("not an ELF file\n");
+		return;
+	}
+	if (elf->e_type != ET_EXEC) {
+		cons_write("not an ELF executable\n");
+		return;
+	}
+	if (!elf_check_arch(elf)) {
+		cons_write("kernel not for this processor\n");
+		return;
+	}
+
+	e_entry = elf->e_entry;
+	e_phnum = elf->e_phnum;
+	e_phoff = elf->e_phoff;
+
+	cons_write("loading ");
+	cons_write(kpath);
+	cons_write("...\n");
+
+	for (i = 0; i < e_phnum; ++i) {
+		req.len = sizeof(*elf_phdr);
+		req.addr = (long) mem;
+		ssc(fd, 1, (long) &req, e_phoff, SSC_READ);
+		ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
+		if (stat.count != sizeof(*elf_phdr)) {
+			cons_write("failed to read phdr\n");
+			return;
+		}
+		e_phoff += sizeof(*elf_phdr);
+
+		elf_phdr = (struct elf_phdr *) mem;
+
+		if (elf_phdr->p_type != PT_LOAD)
+			continue;
+
+		req.len = elf_phdr->p_filesz;
+		req.addr = __pa(elf_phdr->p_paddr);
+		ssc(fd, 1, (long) &req, elf_phdr->p_offset, SSC_READ);
+		ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
+		memset((char *)__pa(elf_phdr->p_paddr) + elf_phdr->p_filesz, 0,
+		       elf_phdr->p_memsz - elf_phdr->p_filesz);
+	}
+	ssc(fd, 0, 0, 0, SSC_CLOSE);
+
+	cons_write("starting kernel...\n");
+
+	/* fake an I/O base address: */
+	ia64_setreg(_IA64_REG_AR_KR0, 0xffffc000000UL);
+
+	bp = sys_fw_init(args, arglen);
+
+	ssc(0, (long) kpath, 0, 0, SSC_LOAD_SYMBOLS);
+
+	debug_break();
+	jmp_to_kernel((unsigned long) bp, e_entry);
+
+	cons_write("kernel returned!\n");
+	ssc(-1, 0, 0, 0, SSC_EXIT);
+}

arch/ia64/hp/sim/boot/bootloader.lds

@@ -0,0 +1,66 @@
+OUTPUT_FORMAT("elf64-ia64-little")
+OUTPUT_ARCH(ia64)
+ENTRY(_start)
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = 0x100000;
+
+  _text = .;
+  .text : { *(__ivt_section) *(.text) }
+  _etext = .;
+
+  /* Global data */
+  _data = .;
+  .rodata : { *(.rodata) *(.rodata.*) }
+  .data    : { *(.data) *(.gnu.linkonce.d*) CONSTRUCTORS }
+  __gp = ALIGN (8) + 0x200000;
+  .got           : { *(.got.plt) *(.got) }
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .sdata     : { *(.sdata) }
+  _edata  =  .;
+
+  __bss_start = .;
+  .sbss      : { *(.sbss) *(.scommon) }
+  .bss       : { *(.bss) *(COMMON) }
+  . = ALIGN(64 / 8);
+  __bss_stop = .;
+  _end = . ;
+
+  /* Stabs debugging sections.  */
+  .stab 0 : { *(.stab) }
+  .stabstr 0 : { *(.stabstr) }
+  .stab.excl 0 : { *(.stab.excl) }
+  .stab.exclstr 0 : { *(.stab.exclstr) }
+  .stab.index 0 : { *(.stab.index) }
+  .stab.indexstr 0 : { *(.stab.indexstr) }
+  .comment 0 : { *(.comment) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  /* These must appear regardless of  .  */
+}

arch/ia64/hp/sim/boot/fw-emu.c

@@ -0,0 +1,373 @@
+/*
+ * PAL & SAL emulation.
+ *
+ * Copyright (C) 1998-2001 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#ifdef CONFIG_PCI
+# include <linux/pci.h>
+#endif
+
+#include <linux/efi.h>
+#include <asm/io.h>
+#include <asm/pal.h>
+#include <asm/sal.h>
+#include <asm/setup.h>
+
+#include "ssc.h"
+
+#define MB	(1024*1024UL)
+
+#define SIMPLE_MEMMAP	1
+
+#if SIMPLE_MEMMAP
+# define NUM_MEM_DESCS	4
+#else
+# define NUM_MEM_DESCS	16
+#endif
+
+static char fw_mem[(  sizeof(struct ia64_boot_param)
+		    + sizeof(efi_system_table_t)
+		    + sizeof(efi_runtime_services_t)
+		    + 1*sizeof(efi_config_table_t)
+		    + sizeof(struct ia64_sal_systab)
+		    + sizeof(struct ia64_sal_desc_entry_point)
+		    + NUM_MEM_DESCS*(sizeof(efi_memory_desc_t))
+		    + 1024)] __attribute__ ((aligned (8)));
+
+#define SECS_PER_HOUR   (60 * 60)
+#define SECS_PER_DAY    (SECS_PER_HOUR * 24)
+
+/* Compute the `struct tm' representation of *T,
+   offset OFFSET seconds east of UTC,
+   and store year, yday, mon, mday, wday, hour, min, sec into *TP.
+   Return nonzero if successful.  */
+int
+offtime (unsigned long t, efi_time_t *tp)
+{
+	const unsigned short int __mon_yday[2][13] =
+	{
+		/* Normal years.  */
+		{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
+		/* Leap years.  */
+		{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
+	};
+	long int days, rem, y;
+	const unsigned short int *ip;
+
+	days = t / SECS_PER_DAY;
+	rem = t % SECS_PER_DAY;
+	while (rem < 0) {
+		rem += SECS_PER_DAY;
+		--days;
+	}
+	while (rem >= SECS_PER_DAY) {
+		rem -= SECS_PER_DAY;
+		++days;
+	}
+	tp->hour = rem / SECS_PER_HOUR;
+	rem %= SECS_PER_HOUR;
+	tp->minute = rem / 60;
+	tp->second = rem % 60;
+	/* January 1, 1970 was a Thursday.  */
+	y = 1970;
+
+#	define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
+#	define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
+#	define __isleap(year) \
+	  ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
+
+	while (days < 0 || days >= (__isleap (y) ? 366 : 365)) {
+		/* Guess a corrected year, assuming 365 days per year.  */
+		long int yg = y + days / 365 - (days % 365 < 0);
+
+		/* Adjust DAYS and Y to match the guessed year.  */
+		days -= ((yg - y) * 365 + LEAPS_THRU_END_OF (yg - 1)
+			 - LEAPS_THRU_END_OF (y - 1));
+		y = yg;
+	}
+	tp->year = y;
+	ip = __mon_yday[__isleap(y)];
+	for (y = 11; days < (long int) ip[y]; --y)
+		continue;
+	days -= ip[y];
+	tp->month = y + 1;
+	tp->day = days + 1;
+	return 1;
+}
+
+extern void pal_emulator_static (void);
+
+/* Macro to emulate SAL call using legacy IN and OUT calls to CF8, CFC etc.. */
+
+#define BUILD_CMD(addr)		((0x80000000 | (addr)) & ~3)
+
+#define REG_OFFSET(addr)	(0x00000000000000FF & (addr))
+#define DEVICE_FUNCTION(addr)	(0x000000000000FF00 & (addr))
+#define BUS_NUMBER(addr)	(0x0000000000FF0000 & (addr))
+
+static efi_status_t
+fw_efi_get_time (efi_time_t *tm, efi_time_cap_t *tc)
+{
+#if defined(CONFIG_IA64_HP_SIM) || defined(CONFIG_IA64_GENERIC)
+	struct {
+		int tv_sec;	/* must be 32bits to work */
+		int tv_usec;
+	} tv32bits;
+
+	ssc((unsigned long) &tv32bits, 0, 0, 0, SSC_GET_TOD);
+
+	memset(tm, 0, sizeof(*tm));
+	offtime(tv32bits.tv_sec, tm);
+
+	if (tc)
+		memset(tc, 0, sizeof(*tc));
+#else
+#	error Not implemented yet...
+#endif
+	return EFI_SUCCESS;
+}
+
+static void
+efi_reset_system (int reset_type, efi_status_t status, unsigned long data_size, efi_char16_t *data)
+{
+#if defined(CONFIG_IA64_HP_SIM) || defined(CONFIG_IA64_GENERIC)
+	ssc(status, 0, 0, 0, SSC_EXIT);
+#else
+#	error Not implemented yet...
+#endif
+}
+
+static efi_status_t
+efi_unimplemented (void)
+{
+	return EFI_UNSUPPORTED;
+}
+
+static struct sal_ret_values
+sal_emulator (long index, unsigned long in1, unsigned long in2,
+	      unsigned long in3, unsigned long in4, unsigned long in5,
+	      unsigned long in6, unsigned long in7)
+{
+	long r9  = 0;
+	long r10 = 0;
+	long r11 = 0;
+	long status;
+
+	/*
+	 * Don't do a "switch" here since that gives us code that
+	 * isn't self-relocatable.
+	 */
+	status = 0;
+	if (index == SAL_FREQ_BASE) {
+		if (in1 == SAL_FREQ_BASE_PLATFORM)
+			r9 = 200000000;
+		else if (in1 == SAL_FREQ_BASE_INTERVAL_TIMER) {
+			/*
+			 * Is this supposed to be the cr.itc frequency
+			 * or something platform specific?  The SAL
+			 * doc ain't exactly clear on this...
+			 */
+			r9 = 700000000;
+		} else if (in1 == SAL_FREQ_BASE_REALTIME_CLOCK)
+			r9 = 1;
+		else
+			status = -1;
+	} else if (index == SAL_SET_VECTORS) {
+		;
+	} else if (index == SAL_GET_STATE_INFO) {
+		;
+	} else if (index == SAL_GET_STATE_INFO_SIZE) {
+		;
+	} else if (index == SAL_CLEAR_STATE_INFO) {
+		;
+	} else if (index == SAL_MC_RENDEZ) {
+		;
+	} else if (index == SAL_MC_SET_PARAMS) {
+		;
+	} else if (index == SAL_CACHE_FLUSH) {
+		;
+	} else if (index == SAL_CACHE_INIT) {
+		;
+#ifdef CONFIG_PCI
+	} else if (index == SAL_PCI_CONFIG_READ) {
+		/*
+		 * in1 contains the PCI configuration address and in2
+		 * the size of the read.  The value that is read is
+		 * returned via the general register r9.
+		 */
+                outl(BUILD_CMD(in1), 0xCF8);
+                if (in2 == 1)                           /* Reading byte  */
+                        r9 = inb(0xCFC + ((REG_OFFSET(in1) & 3)));
+                else if (in2 == 2)                      /* Reading word  */
+                        r9 = inw(0xCFC + ((REG_OFFSET(in1) & 2)));
+                else                                    /* Reading dword */
+                        r9 = inl(0xCFC);
+                status = PCIBIOS_SUCCESSFUL;
+	} else if (index == SAL_PCI_CONFIG_WRITE) {
+	      	/*
+		 * in1 contains the PCI configuration address, in2 the
+		 * size of the write, and in3 the actual value to be
+		 * written out.
+		 */
+                outl(BUILD_CMD(in1), 0xCF8);
+                if (in2 == 1)                           /* Writing byte  */
+                        outb(in3, 0xCFC + ((REG_OFFSET(in1) & 3)));
+                else if (in2 == 2)                      /* Writing word  */
+                        outw(in3, 0xCFC + ((REG_OFFSET(in1) & 2)));
+                else                                    /* Writing dword */
+                        outl(in3, 0xCFC);
+                status = PCIBIOS_SUCCESSFUL;
+#endif /* CONFIG_PCI */
+	} else if (index == SAL_UPDATE_PAL) {
+		;
+	} else {
+		status = -1;
+	}
+	return ((struct sal_ret_values) {status, r9, r10, r11});
+}
+
+struct ia64_boot_param *
+sys_fw_init (const char *args, int arglen)
+{
+	efi_system_table_t *efi_systab;
+	efi_runtime_services_t *efi_runtime;
+	efi_config_table_t *efi_tables;
+	struct ia64_sal_systab *sal_systab;
+	efi_memory_desc_t *efi_memmap, *md;
+	unsigned long *pal_desc, *sal_desc;
+	struct ia64_sal_desc_entry_point *sal_ed;
+	struct ia64_boot_param *bp;
+	unsigned char checksum = 0;
+	char *cp, *cmd_line;
+	int i = 0;
+#	define MAKE_MD(typ, attr, start, end)		\
+	do {						\
+		md = efi_memmap + i++;			\
+		md->type = typ;				\
+		md->pad = 0;				\
+		md->phys_addr = start;			\
+		md->virt_addr = 0;			\
+		md->num_pages = (end - start) >> 12;	\
+		md->attribute = attr;			\
+	} while (0)
+
+	memset(fw_mem, 0, sizeof(fw_mem));
+
+	pal_desc = (unsigned long *) &pal_emulator_static;
+	sal_desc = (unsigned long *) &sal_emulator;
+
+	cp = fw_mem;
+	efi_systab  = (void *) cp; cp += sizeof(*efi_systab);
+	efi_runtime = (void *) cp; cp += sizeof(*efi_runtime);
+	efi_tables  = (void *) cp; cp += sizeof(*efi_tables);
+	sal_systab  = (void *) cp; cp += sizeof(*sal_systab);
+	sal_ed      = (void *) cp; cp += sizeof(*sal_ed);
+	efi_memmap  = (void *) cp; cp += NUM_MEM_DESCS*sizeof(*efi_memmap);
+	bp	    = (void *) cp; cp += sizeof(*bp);
+	cmd_line    = (void *) cp;
+
+	if (args) {
+		if (arglen >= 1024)
+			arglen = 1023;
+		memcpy(cmd_line, args, arglen);
+	} else {
+		arglen = 0;
+	}
+	cmd_line[arglen] = '\0';
+
+	memset(efi_systab, 0, sizeof(*efi_systab));
+	efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
+	efi_systab->hdr.revision  = ((1 << 16) | 00);
+	efi_systab->hdr.headersize = sizeof(efi_systab->hdr);
+	efi_systab->fw_vendor = __pa("H\0e\0w\0l\0e\0t\0t\0-\0P\0a\0c\0k\0a\0r\0d\0\0");
+	efi_systab->fw_revision = 1;
+	efi_systab->runtime = (void *) __pa(efi_runtime);
+	efi_systab->nr_tables = 1;
+	efi_systab->tables = __pa(efi_tables);
+
+	efi_runtime->hdr.signature = EFI_RUNTIME_SERVICES_SIGNATURE;
+	efi_runtime->hdr.revision = EFI_RUNTIME_SERVICES_REVISION;
+	efi_runtime->hdr.headersize = sizeof(efi_runtime->hdr);
+	efi_runtime->get_time = (void *)__pa(&fw_efi_get_time);
+	efi_runtime->set_time = (void *)__pa(&efi_unimplemented);
+	efi_runtime->get_wakeup_time = (void *)__pa(&efi_unimplemented);
+	efi_runtime->set_wakeup_time = (void *)__pa(&efi_unimplemented);
+	efi_runtime->set_virtual_address_map = (void *)__pa(&efi_unimplemented);
+	efi_runtime->get_variable = (void *)__pa(&efi_unimplemented);
+	efi_runtime->get_next_variable = (void *)__pa(&efi_unimplemented);
+	efi_runtime->set_variable = (void *)__pa(&efi_unimplemented);
+	efi_runtime->get_next_high_mono_count = (void *)__pa(&efi_unimplemented);
+	efi_runtime->reset_system = (void *)__pa(&efi_reset_system);
+
+	efi_tables->guid = SAL_SYSTEM_TABLE_GUID;
+	efi_tables->table = __pa(sal_systab);
+
+	/* fill in the SAL system table: */
+	memcpy(sal_systab->signature, "SST_", 4);
+	sal_systab->size = sizeof(*sal_systab);
+	sal_systab->sal_rev_minor = 1;
+	sal_systab->sal_rev_major = 0;
+	sal_systab->entry_count = 1;
+
+#ifdef CONFIG_IA64_GENERIC
+        strcpy(sal_systab->oem_id, "Generic");
+        strcpy(sal_systab->product_id, "IA-64 system");
+#endif
+
+#ifdef CONFIG_IA64_HP_SIM
+	strcpy(sal_systab->oem_id, "Hewlett-Packard");
+	strcpy(sal_systab->product_id, "HP-simulator");
+#endif
+
+	/* fill in an entry point: */
+	sal_ed->type = SAL_DESC_ENTRY_POINT;
+	sal_ed->pal_proc = __pa(pal_desc[0]);
+	sal_ed->sal_proc = __pa(sal_desc[0]);
+	sal_ed->gp = __pa(sal_desc[1]);
+
+	for (cp = (char *) sal_systab; cp < (char *) efi_memmap; ++cp)
+		checksum += *cp;
+
+	sal_systab->checksum = -checksum;
+
+#if SIMPLE_MEMMAP
+	/* simulate free memory at physical address zero */
+	MAKE_MD(EFI_BOOT_SERVICES_DATA,		EFI_MEMORY_WB,    0*MB,    1*MB);
+	MAKE_MD(EFI_PAL_CODE,			EFI_MEMORY_WB,    1*MB,    2*MB);
+	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB,    2*MB,  130*MB);
+	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB, 4096*MB, 4128*MB);
+#else
+	MAKE_MD( 4,		   0x9, 0x0000000000000000, 0x0000000000001000);
+	MAKE_MD( 7,		   0x9, 0x0000000000001000, 0x000000000008a000);
+	MAKE_MD( 4,		   0x9, 0x000000000008a000, 0x00000000000a0000);
+	MAKE_MD( 5, 0x8000000000000009, 0x00000000000c0000, 0x0000000000100000);
+	MAKE_MD( 7,		   0x9, 0x0000000000100000, 0x0000000004400000);
+	MAKE_MD( 2,		   0x9, 0x0000000004400000, 0x0000000004be5000);
+	MAKE_MD( 7,		   0x9, 0x0000000004be5000, 0x000000007f77e000);
+	MAKE_MD( 6, 0x8000000000000009, 0x000000007f77e000, 0x000000007fb94000);
+	MAKE_MD( 6, 0x8000000000000009, 0x000000007fb94000, 0x000000007fb95000);
+	MAKE_MD( 6, 0x8000000000000009, 0x000000007fb95000, 0x000000007fc00000);
+	MAKE_MD(13, 0x8000000000000009, 0x000000007fc00000, 0x000000007fc3a000);
+	MAKE_MD( 7,		   0x9, 0x000000007fc3a000, 0x000000007fea0000);
+	MAKE_MD( 5, 0x8000000000000009, 0x000000007fea0000, 0x000000007fea8000);
+	MAKE_MD( 7,		   0x9, 0x000000007fea8000, 0x000000007feab000);
+	MAKE_MD( 5, 0x8000000000000009, 0x000000007feab000, 0x000000007ffff000);
+	MAKE_MD( 7,		   0x9, 0x00000000ff400000, 0x0000000104000000);
+#endif
+
+	bp->efi_systab = __pa(&fw_mem);
+	bp->efi_memmap = __pa(efi_memmap);
+	bp->efi_memmap_size = NUM_MEM_DESCS*sizeof(efi_memory_desc_t);
+	bp->efi_memdesc_size = sizeof(efi_memory_desc_t);
+	bp->efi_memdesc_version = 1;
+	bp->command_line = __pa(cmd_line);
+	bp->console_info.num_cols = 80;
+	bp->console_info.num_rows = 25;
+	bp->console_info.orig_x = 0;
+	bp->console_info.orig_y = 24;
+	bp->fpswa = 0;
+
+	return bp;
+}

arch/ia64/hp/sim/boot/ssc.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ */
+#ifndef ssc_h
+#define ssc_h
+
+/* Simulator system calls: */
+
+#define SSC_CONSOLE_INIT		20
+#define SSC_GETCHAR			21
+#define SSC_PUTCHAR			31
+#define SSC_OPEN			50
+#define SSC_CLOSE			51
+#define SSC_READ			52
+#define SSC_WRITE			53
+#define SSC_GET_COMPLETION		54
+#define SSC_WAIT_COMPLETION		55
+#define SSC_CONNECT_INTERRUPT		58
+#define SSC_GENERATE_INTERRUPT		59
+#define SSC_SET_PERIODIC_INTERRUPT	60
+#define SSC_GET_RTC			65
+#define SSC_EXIT			66
+#define SSC_LOAD_SYMBOLS		69
+#define SSC_GET_TOD			74
+
+#define SSC_GET_ARGS			75
+
+/*
+ * Simulator system call.
+ */
+extern long ssc (long arg0, long arg1, long arg2, long arg3, int nr);
+
+#endif /* ssc_h */

arch/ia64/hp/sim/hpsim.S

@@ -0,0 +1,10 @@
+#include <asm/asmmacro.h>
+
+/*
+ * Simulator system call.
+ */
+GLOBAL_ENTRY(ia64_ssc)
+	mov r15=r36
+	break 0x80001
+	br.ret.sptk.many rp
+END(ia64_ssc)

arch/ia64/hp/sim/hpsim_console.c

@@ -0,0 +1,76 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/tty.h>
+#include <linux/kdev_t.h>
+#include <linux/console.h>
+
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/pal.h>
+#include <asm/machvec.h>
+#include <asm/pgtable.h>
+#include <asm/sal.h>
+#include <asm/hpsim.h>
+
+#include "hpsim_ssc.h"
+
+static int simcons_init (struct console *, char *);
+static void simcons_write (struct console *, const char *, unsigned);
+static struct tty_driver *simcons_console_device (struct console *, int *);
+
+static struct console hpsim_cons = {
+	.name =		"simcons",
+	.write =	simcons_write,
+	.device =	simcons_console_device,
+	.setup =	simcons_init,
+	.flags =	CON_PRINTBUFFER,
+	.index =	-1,
+};
+
+static int
+simcons_init (struct console *cons, char *options)
+{
+	return 0;
+}
+
+static void
+simcons_write (struct console *cons, const char *buf, unsigned count)
+{
+	unsigned long ch;
+
+	while (count-- > 0) {
+		ch = *buf++;
+		ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR);
+		if (ch == '\n')
+		  ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR);
+	}
+}
+
+static struct tty_driver *simcons_console_device (struct console *c, int *index)
+{
+	*index = c->index;
+	return hp_simserial_driver;
+}
+
+int simcons_register(void)
+{
+	if (!ia64_platform_is("hpsim"))
+		return 1;
+
+	if (hpsim_cons.flags & CON_ENABLED)
+		return 1;
+
+	register_console(&hpsim_cons);
+	return 0;
+}

arch/ia64/hp/sim/hpsim_irq.c

@@ -0,0 +1,75 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998-2001 Hewlett-Packard Co
+ * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/irq.h>
+
+#include "hpsim_ssc.h"
+
+static unsigned int
+hpsim_irq_startup(struct irq_data *data)
+{
+	return 0;
+}
+
+static void
+hpsim_irq_noop(struct irq_data *data)
+{
+}
+
+static int
+hpsim_set_affinity_noop(struct irq_data *d, const struct cpumask *b, bool f)
+{
+	return 0;
+}
+
+static struct irq_chip irq_type_hp_sim = {
+	.name =			"hpsim",
+	.irq_startup =		hpsim_irq_startup,
+	.irq_shutdown =		hpsim_irq_noop,
+	.irq_enable =		hpsim_irq_noop,
+	.irq_disable =		hpsim_irq_noop,
+	.irq_ack =		hpsim_irq_noop,
+	.irq_set_affinity =	hpsim_set_affinity_noop,
+};
+
+static void hpsim_irq_set_chip(int irq)
+{
+	struct irq_chip *chip = irq_get_chip(irq);
+
+	if (chip == &no_irq_chip)
+		irq_set_chip(irq, &irq_type_hp_sim);
+}
+
+static void hpsim_connect_irq(int intr, int irq)
+{
+	ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
+}
+
+int hpsim_get_irq(int intr)
+{
+	int irq = assign_irq_vector(AUTO_ASSIGN);
+
+	if (irq >= 0) {
+		hpsim_irq_set_chip(irq);
+		irq_set_handler(irq, handle_simple_irq);
+		hpsim_connect_irq(intr, irq);
+	}
+
+	return irq;
+}
+
+void __init
+hpsim_irq_init (void)
+{
+	int i;
+
+	for_each_active_irq(i)
+		hpsim_irq_set_chip(i);
+}

arch/ia64/hp/sim/hpsim_machvec.c

@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		hpsim
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_hpsim.h>
+#include <asm/machvec_init.h>

arch/ia64/hp/sim/hpsim_setup.c

@@ -0,0 +1,40 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+#include <linux/console.h>
+#include <linux/init.h>
+#include <linux/kdev_t.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/param.h>
+#include <linux/root_dev.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/pal.h>
+#include <asm/machvec.h>
+#include <asm/pgtable.h>
+#include <asm/sal.h>
+#include <asm/hpsim.h>
+
+#include "hpsim_ssc.h"
+
+void
+ia64_ctl_trace (long on)
+{
+	ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
+}
+
+void __init
+hpsim_setup (char **cmdline_p)
+{
+	ROOT_DEV = Root_SDA1;		/* default to first SCSI drive */
+
+	simcons_register();
+}

arch/ia64/hp/sim/hpsim_ssc.h

@@ -0,0 +1,36 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998, 1999 Hewlett-Packard Co
+ * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Vijay Chander <vijay@engr.sgi.com>
+ */
+#ifndef _IA64_PLATFORM_HPSIM_SSC_H
+#define _IA64_PLATFORM_HPSIM_SSC_H
+
+/* Simulator system calls: */
+
+#define SSC_CONSOLE_INIT		20
+#define SSC_GETCHAR			21
+#define SSC_PUTCHAR			31
+#define SSC_CONNECT_INTERRUPT		58
+#define SSC_GENERATE_INTERRUPT		59
+#define SSC_SET_PERIODIC_INTERRUPT	60
+#define SSC_GET_RTC			65
+#define SSC_EXIT			66
+#define SSC_LOAD_SYMBOLS		69
+#define SSC_GET_TOD			74
+#define SSC_CTL_TRACE			76
+
+#define SSC_NETDEV_PROBE		100
+#define SSC_NETDEV_SEND			101
+#define SSC_NETDEV_RECV			102
+#define SSC_NETDEV_ATTACH		103
+#define SSC_NETDEV_DETACH		104
+
+/*
+ * Simulator system call.
+ */
+extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
+
+#endif /* _IA64_PLATFORM_HPSIM_SSC_H */

arch/ia64/hp/sim/simeth.c

@@ -0,0 +1,509 @@
+/*
+ * Simulated Ethernet Driver
+ *
+ * Copyright (C) 1999-2001, 2003 Hewlett-Packard Co
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/in.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/inetdevice.h>
+#include <linux/if_ether.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+#include <linux/notifier.h>
+#include <linux/bitops.h>
+#include <asm/irq.h>
+#include <asm/hpsim.h>
+
+#include "hpsim_ssc.h"
+
+#define SIMETH_RECV_MAX	10
+
+/*
+ * Maximum possible received frame for Ethernet.
+ * We preallocate an sk_buff of that size to avoid costly
+ * memcpy for temporary buffer into sk_buff. We do basically
+ * what's done in other drivers, like eepro with a ring.
+ * The difference is, of course, that we don't have real DMA !!!
+ */
+#define SIMETH_FRAME_SIZE	ETH_FRAME_LEN
+
+
+#define NETWORK_INTR			8
+
+struct simeth_local {
+	struct net_device_stats stats;
+	int 			simfd;	 /* descriptor in the simulator */
+};
+
+static int simeth_probe1(void);
+static int simeth_open(struct net_device *dev);
+static int simeth_close(struct net_device *dev);
+static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
+static int simeth_rx(struct net_device *dev);
+static struct net_device_stats *simeth_get_stats(struct net_device *dev);
+static irqreturn_t simeth_interrupt(int irq, void *dev_id);
+static void set_multicast_list(struct net_device *dev);
+static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
+
+static char *simeth_version="0.3";
+
+/*
+ * This variable is used to establish a mapping between the Linux/ia64 kernel
+ * and the host linux kernel.
+ *
+ * As of today, we support only one card, even though most of the code
+ * is ready for many more. The mapping is then:
+ *	linux/ia64 -> linux/x86
+ * 	   eth0    -> eth1
+ *
+ * In the future, we some string operations, we could easily support up
+ * to 10 cards (0-9).
+ *
+ * The default mapping can be changed on the kernel command line by
+ * specifying simeth=ethX (or whatever string you want).
+ */
+static char *simeth_device="eth0";	 /* default host interface to use */
+
+
+
+static volatile unsigned int card_count; /* how many cards "found" so far */
+static int simeth_debug;		/* set to 1 to get debug information */
+
+/*
+ * Used to catch IFF_UP & IFF_DOWN events
+ */
+static struct notifier_block simeth_dev_notifier = {
+	simeth_device_event,
+	NULL
+};
+
+
+/*
+ * Function used when using a kernel command line option.
+ *
+ * Format: simeth=interface_name (like eth0)
+ */
+static int __init
+simeth_setup(char *str)
+{
+	simeth_device = str;
+	return 1;
+}
+
+__setup("simeth=", simeth_setup);
+
+/*
+ * Function used to probe for simeth devices when not installed
+ * as a loadable module
+ */
+
+int __init
+simeth_probe (void)
+{
+	int r;
+
+	printk(KERN_INFO "simeth: v%s\n", simeth_version);
+
+	r = simeth_probe1();
+
+	if (r == 0) register_netdevice_notifier(&simeth_dev_notifier);
+
+	return r;
+}
+
+static inline int
+netdev_probe(char *name, unsigned char *ether)
+{
+	return ia64_ssc(__pa(name), __pa(ether), 0,0, SSC_NETDEV_PROBE);
+}
+
+
+static inline int
+netdev_attach(int fd, int irq, unsigned int ipaddr)
+{
+	/* this puts the host interface in the right mode (start interrupting) */
+	return ia64_ssc(fd, ipaddr, 0,0, SSC_NETDEV_ATTACH);
+}
+
+
+static inline int
+netdev_detach(int fd)
+{
+	/*
+	 * inactivate the host interface (don't interrupt anymore) */
+	return ia64_ssc(fd, 0,0,0, SSC_NETDEV_DETACH);
+}
+
+static inline int
+netdev_send(int fd, unsigned char *buf, unsigned int len)
+{
+	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_SEND);
+}
+
+static inline int
+netdev_read(int fd, unsigned char *buf, unsigned int len)
+{
+	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_RECV);
+}
+
+static const struct net_device_ops simeth_netdev_ops = {
+	.ndo_open		= simeth_open,
+	.ndo_stop		= simeth_close,
+	.ndo_start_xmit		= simeth_tx,
+	.ndo_get_stats		= simeth_get_stats,
+	.ndo_set_rx_mode	= set_multicast_list, /* not yet used */
+
+};
+
+/*
+ * Function shared with module code, so cannot be in init section
+ *
+ * So far this function "detects" only one card (test_&_set) but could
+ * be extended easily.
+ *
+ * Return:
+ * 	- -ENODEV is no device found
+ *	- -ENOMEM is no more memory
+ *	- 0 otherwise
+ */
+static int
+simeth_probe1(void)
+{
+	unsigned char mac_addr[ETH_ALEN];
+	struct simeth_local *local;
+	struct net_device *dev;
+	int fd, err, rc;
+
+	/*
+	 * XXX Fix me
+	 * let's support just one card for now
+	 */
+	if (test_and_set_bit(0, &card_count))
+		return -ENODEV;
+
+	/*
+	 * check with the simulator for the device
+	 */
+	fd = netdev_probe(simeth_device, mac_addr);
+	if (fd == -1)
+		return -ENODEV;
+
+	dev = alloc_etherdev(sizeof(struct simeth_local));
+	if (!dev)
+		return -ENOMEM;
+
+	memcpy(dev->dev_addr, mac_addr, sizeof(mac_addr));
+
+	local = netdev_priv(dev);
+	local->simfd = fd; /* keep track of underlying file descriptor */
+
+	dev->netdev_ops = &simeth_netdev_ops;
+
+	err = register_netdev(dev);
+	if (err) {
+		free_netdev(dev);
+		return err;
+	}
+
+	/*
+	 * attach the interrupt in the simulator, this does enable interrupts
+	 * until a netdev_attach() is called
+	 */
+	if ((rc = hpsim_get_irq(NETWORK_INTR)) < 0)
+		panic("%s: out of interrupt vectors!\n", __func__);
+	dev->irq = rc;
+
+	printk(KERN_INFO "%s: hosteth=%s simfd=%d, HwAddr=%pm, IRQ %d\n",
+	       dev->name, simeth_device, local->simfd, dev->dev_addr, dev->irq);
+
+	return 0;
+}
+
+/*
+ * actually binds the device to an interrupt vector
+ */
+static int
+simeth_open(struct net_device *dev)
+{
+	if (request_irq(dev->irq, simeth_interrupt, 0, "simeth", dev)) {
+		printk(KERN_WARNING "simeth: unable to get IRQ %d.\n", dev->irq);
+		return -EAGAIN;
+	}
+
+	netif_start_queue(dev);
+
+	return 0;
+}
+
+/* copied from lapbether.c */
+static __inline__ int dev_is_ethdev(struct net_device *dev)
+{
+       return ( dev->type == ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
+}
+
+
+/*
+ * Handler for IFF_UP or IFF_DOWN
+ *
+ * The reason for that is that we don't want to be interrupted when the
+ * interface is down. There is no way to unconnect in the simualtor. Instead
+ * we use this function to shutdown packet processing in the frame filter
+ * in the simulator. Thus no interrupts are generated
+ *
+ *
+ * That's also the place where we pass the IP address of this device to the
+ * simulator so that that we can start filtering packets for it
+ *
+ * There may be a better way of doing this, but I don't know which yet.
+ */
+static int
+simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr)
+{
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+	struct simeth_local *local;
+	struct in_device *in_dev;
+	struct in_ifaddr **ifap = NULL;
+	struct in_ifaddr *ifa = NULL;
+	int r;
+
+
+	if ( ! dev ) {
+		printk(KERN_WARNING "simeth_device_event dev=0\n");
+		return NOTIFY_DONE;
+	}
+
+	if (dev_net(dev) != &init_net)
+		return NOTIFY_DONE;
+
+	if ( event != NETDEV_UP && event != NETDEV_DOWN ) return NOTIFY_DONE;
+
+	/*
+	 * Check whether or not it's for an ethernet device
+	 *
+	 * XXX Fixme: This works only as long as we support one
+	 * type of ethernet device.
+	 */
+	if ( !dev_is_ethdev(dev) ) return NOTIFY_DONE;
+
+	if ((in_dev=dev->ip_ptr) != NULL) {
+		for (ifap=&in_dev->ifa_list; (ifa=*ifap) != NULL; ifap=&ifa->ifa_next)
+			if (strcmp(dev->name, ifa->ifa_label) == 0) break;
+	}
+	if ( ifa == NULL ) {
+		printk(KERN_ERR "simeth_open: can't find device %s's ifa\n", dev->name);
+		return NOTIFY_DONE;
+	}
+
+	printk(KERN_INFO "simeth_device_event: %s ipaddr=0x%x\n",
+	       dev->name, ntohl(ifa->ifa_local));
+
+	/*
+	 * XXX Fix me
+	 * if the device was up, and we're simply reconfiguring it, not sure
+	 * we get DOWN then UP.
+	 */
+
+	local = netdev_priv(dev);
+	/* now do it for real */
+	r = event == NETDEV_UP ?
+		netdev_attach(local->simfd, dev->irq, ntohl(ifa->ifa_local)):
+		netdev_detach(local->simfd);
+
+	printk(KERN_INFO "simeth: netdev_attach/detach: event=%s ->%d\n",
+	       event == NETDEV_UP ? "attach":"detach", r);
+
+	return NOTIFY_DONE;
+}
+
+static int
+simeth_close(struct net_device *dev)
+{
+	netif_stop_queue(dev);
+
+	free_irq(dev->irq, dev);
+
+	return 0;
+}
+
+/*
+ * Only used for debug
+ */
+static void
+frame_print(unsigned char *from, unsigned char *frame, int len)
+{
+	int i;
+
+	printk("%s: (%d) %02x", from, len, frame[0] & 0xff);
+	for(i=1; i < 6; i++ ) {
+		printk(":%02x", frame[i] &0xff);
+	}
+	printk(" %2x", frame[6] &0xff);
+	for(i=7; i < 12; i++ ) {
+		printk(":%02x", frame[i] &0xff);
+	}
+	printk(" [%02x%02x]\n", frame[12], frame[13]);
+
+	for(i=14; i < len; i++ ) {
+		printk("%02x ", frame[i] &0xff);
+		if ( (i%10)==0) printk("\n");
+	}
+	printk("\n");
+}
+
+
+/*
+ * Function used to transmit of frame, very last one on the path before
+ * going to the simulator.
+ */
+static int
+simeth_tx(struct sk_buff *skb, struct net_device *dev)
+{
+	struct simeth_local *local = netdev_priv(dev);
+
+#if 0
+	/* ensure we have at least ETH_ZLEN bytes (min frame size) */
+	unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
+	/* Where do the extra padding bytes comes from inthe skbuff ? */
+#else
+	/* the real driver in the host system is going to take care of that
+	 * or maybe it's the NIC itself.
+	 */
+	unsigned int length = skb->len;
+#endif
+
+	local->stats.tx_bytes += skb->len;
+	local->stats.tx_packets++;
+
+
+	if (simeth_debug > 5) frame_print("simeth_tx", skb->data, length);
+
+	netdev_send(local->simfd, skb->data, length);
+
+	/*
+	 * we are synchronous on write, so we don't simulate a
+	 * trasnmit complete interrupt, thus we don't need to arm a tx
+	 */
+
+	dev_kfree_skb(skb);
+	return NETDEV_TX_OK;
+}
+
+static inline struct sk_buff *
+make_new_skb(struct net_device *dev)
+{
+	struct sk_buff *nskb;
+
+	/*
+	 * The +2 is used to make sure that the IP header is nicely
+	 * aligned (on 4byte boundary I assume 14+2=16)
+	 */
+	nskb = dev_alloc_skb(SIMETH_FRAME_SIZE + 2);
+	if ( nskb == NULL ) {
+		printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
+		return NULL;
+	}
+
+	skb_reserve(nskb, 2);	/* Align IP on 16 byte boundaries */
+
+	skb_put(nskb,SIMETH_FRAME_SIZE);
+
+	return nskb;
+}
+
+/*
+ * called from interrupt handler to process a received frame
+ */
+static int
+simeth_rx(struct net_device *dev)
+{
+	struct simeth_local	*local;
+	struct sk_buff		*skb;
+	int			len;
+	int			rcv_count = SIMETH_RECV_MAX;
+
+	local = netdev_priv(dev);
+	/*
+	 * the loop concept has been borrowed from other drivers
+	 * looks to me like it's a throttling thing to avoid pushing to many
+	 * packets at one time into the stack. Making sure we can process them
+	 * upstream and make forward progress overall
+	 */
+	do {
+		if ( (skb=make_new_skb(dev)) == NULL ) {
+			printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
+			local->stats.rx_dropped++;
+			return 0;
+		}
+		/*
+		 * Read only one frame at a time
+		 */
+		len = netdev_read(local->simfd, skb->data, SIMETH_FRAME_SIZE);
+		if ( len == 0 ) {
+			if ( simeth_debug > 0 ) printk(KERN_WARNING "%s: count=%d netdev_read=0\n",
+						       dev->name, SIMETH_RECV_MAX-rcv_count);
+			break;
+		}
+#if 0
+		/*
+		 * XXX Fix me
+		 * Should really do a csum+copy here
+		 */
+		skb_copy_to_linear_data(skb, frame, len);
+#endif
+		skb->protocol = eth_type_trans(skb, dev);
+
+		if ( simeth_debug > 6 ) frame_print("simeth_rx", skb->data, len);
+
+		/*
+		 * push the packet up & trigger software interrupt
+		 */
+		netif_rx(skb);
+
+		local->stats.rx_packets++;
+		local->stats.rx_bytes += len;
+
+	} while ( --rcv_count );
+
+	return len; /* 0 = nothing left to read, otherwise, we can try again */
+}
+
+/*
+ * Interrupt handler (Yes, we can do it too !!!)
+ */
+static irqreturn_t
+simeth_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = dev_id;
+
+	/*
+	 * very simple loop because we get interrupts only when receiving
+	 */
+	while (simeth_rx(dev));
+	return IRQ_HANDLED;
+}
+
+static struct net_device_stats *
+simeth_get_stats(struct net_device *dev)
+{
+	struct simeth_local *local = netdev_priv(dev);
+
+	return &local->stats;
+}
+
+/* fake multicast ability */
+static void
+set_multicast_list(struct net_device *dev)
+{
+	printk(KERN_WARNING "%s: set_multicast_list called\n", dev->name);
+}
+
+__initcall(simeth_probe);

arch/ia64/hp/sim/simscsi.c

@@ -0,0 +1,380 @@
+/*
+ * Simulated SCSI driver.
+ *
+ * Copyright (C) 1999, 2001-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * 02/01/15 David Mosberger	Updated for v2.5.1
+ * 99/12/18 David Mosberger	Added support for READ10/WRITE10 needed by linux v2.3.33
+ */
+#include <linux/blkdev.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <asm/irq.h>
+#include "hpsim_ssc.h"
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#define DEBUG_SIMSCSI	0
+
+#define SIMSCSI_REQ_QUEUE_LEN	64
+#define DEFAULT_SIMSCSI_ROOT	"/var/ski-disks/sd"
+
+/* Simulator system calls: */
+
+#define SSC_OPEN			50
+#define SSC_CLOSE			51
+#define SSC_READ			52
+#define SSC_WRITE			53
+#define SSC_GET_COMPLETION		54
+#define SSC_WAIT_COMPLETION		55
+
+#define SSC_WRITE_ACCESS		2
+#define SSC_READ_ACCESS			1
+
+#if DEBUG_SIMSCSI
+  int simscsi_debug;
+# define DBG	simscsi_debug
+#else
+# define DBG	0
+#endif
+
+static struct Scsi_Host *host;
+
+static void simscsi_interrupt (unsigned long val);
+static DECLARE_TASKLET(simscsi_tasklet, simscsi_interrupt, 0);
+
+struct disk_req {
+	unsigned long addr;
+	unsigned len;
+};
+
+struct disk_stat {
+	int fd;
+	unsigned count;
+};
+
+static int desc[16] = {
+	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static struct queue_entry {
+	struct scsi_cmnd *sc;
+} queue[SIMSCSI_REQ_QUEUE_LEN];
+
+static int rd, wr;
+static atomic_t num_reqs = ATOMIC_INIT(0);
+
+/* base name for default disks */
+static char *simscsi_root = DEFAULT_SIMSCSI_ROOT;
+
+#define MAX_ROOT_LEN	128
+
+/*
+ * used to setup a new base for disk images
+ * to use /foo/bar/disk[a-z] as disk images
+ * you have to specify simscsi=/foo/bar/disk on the command line
+ */
+static int __init
+simscsi_setup (char *s)
+{
+	/* XXX Fix me we may need to strcpy() ? */
+	if (strlen(s) > MAX_ROOT_LEN) {
+		printk(KERN_ERR "simscsi_setup: prefix too long---using default %s\n",
+		       simscsi_root);
+	} else
+		simscsi_root = s;
+	return 1;
+}
+
+__setup("simscsi=", simscsi_setup);
+
+static void
+simscsi_interrupt (unsigned long val)
+{
+	struct scsi_cmnd *sc;
+
+	while ((sc = queue[rd].sc) != NULL) {
+		atomic_dec(&num_reqs);
+		queue[rd].sc = NULL;
+		if (DBG)
+			printk("simscsi_interrupt: done with %ld\n", sc->serial_number);
+		(*sc->scsi_done)(sc);
+		rd = (rd + 1) % SIMSCSI_REQ_QUEUE_LEN;
+	}
+}
+
+static int
+simscsi_biosparam (struct scsi_device *sdev, struct block_device *n,
+		sector_t capacity, int ip[])
+{
+	ip[0] = 64;		/* heads */
+	ip[1] = 32;		/* sectors */
+	ip[2] = capacity >> 11;	/* cylinders */
+	return 0;
+}
+
+static void
+simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
+{
+	int i;
+	struct scatterlist *sl;
+	struct disk_stat stat;
+	struct disk_req req;
+
+	stat.fd = desc[sc->device->id];
+
+	scsi_for_each_sg(sc, sl, scsi_sg_count(sc), i) {
+		req.addr = __pa(sg_virt(sl));
+		req.len  = sl->length;
+		if (DBG)
+			printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
+			       mode == SSC_READ ? "read":"write", req.addr, offset,
+			       scsi_sg_count(sc) - i, sl->length);
+		ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
+		ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+
+		/* should not happen in our case */
+		if (stat.count != req.len) {
+			sc->result = DID_ERROR << 16;
+			return;
+		}
+		offset +=  sl->length;
+	}
+	sc->result = GOOD;
+}
+
+/*
+ * function handling both READ_6/WRITE_6 (non-scatter/gather mode)
+ * commands.
+ * Added 02/26/99 S.Eranian
+ */
+static void
+simscsi_readwrite6 (struct scsi_cmnd *sc, int mode)
+{
+	unsigned long offset;
+
+	offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
+	simscsi_sg_readwrite(sc, mode, offset);
+}
+
+static size_t
+simscsi_get_disk_size (int fd)
+{
+	struct disk_stat stat;
+	size_t bit, sectors = 0;
+	struct disk_req req;
+	char buf[512];
+
+	/*
+	 * This is a bit kludgey: the simulator doesn't provide a
+	 * direct way of determining the disk size, so we do a binary
+	 * search, assuming a maximum disk size of 128GB.
+	 */
+	for (bit = (128UL << 30)/512; bit != 0; bit >>= 1) {
+		req.addr = __pa(&buf);
+		req.len = sizeof(buf);
+		ia64_ssc(fd, 1, __pa(&req), ((sectors | bit) - 1)*512, SSC_READ);
+		stat.fd = fd;
+		ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+		if (stat.count == sizeof(buf))
+			sectors |= bit;
+	}
+	return sectors - 1;	/* return last valid sector number */
+}
+
+static void
+simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
+{
+	unsigned long offset;
+
+	offset = (((unsigned long)sc->cmnd[2] << 24) 
+		| ((unsigned long)sc->cmnd[3] << 16)
+		| ((unsigned long)sc->cmnd[4] <<  8) 
+		| ((unsigned long)sc->cmnd[5] <<  0))*512UL;
+	simscsi_sg_readwrite(sc, mode, offset);
+}
+
+static int
+simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
+{
+	unsigned int target_id = sc->device->id;
+	char fname[MAX_ROOT_LEN+16];
+	size_t disk_size;
+	char *buf;
+	char localbuf[36];
+#if DEBUG_SIMSCSI
+	register long sp asm ("sp");
+
+	if (DBG)
+		printk("simscsi_queuecommand: target=%d,cmnd=%u,sc=%lu,sp=%lx,done=%p\n",
+		       target_id, sc->cmnd[0], sc->serial_number, sp, done);
+#endif
+
+	sc->result = DID_BAD_TARGET << 16;
+	sc->scsi_done = done;
+	if (target_id <= 15 && sc->device->lun == 0) {
+		switch (sc->cmnd[0]) {
+		      case INQUIRY:
+			if (scsi_bufflen(sc) < 35) {
+				break;
+			}
+			sprintf (fname, "%s%c", simscsi_root, 'a' + target_id);
+			desc[target_id] = ia64_ssc(__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
+						   0, 0, SSC_OPEN);
+			if (desc[target_id] < 0) {
+				/* disk doesn't exist... */
+				break;
+			}
+			buf = localbuf;
+			buf[0] = 0;	/* magnetic disk */
+			buf[1] = 0;	/* not a removable medium */
+			buf[2] = 2;	/* SCSI-2 compliant device */
+			buf[3] = 2;	/* SCSI-2 response data format */
+			buf[4] = 31;	/* additional length (bytes) */
+			buf[5] = 0;	/* reserved */
+			buf[6] = 0;	/* reserved */
+			buf[7] = 0;	/* various flags */
+			memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
+			scsi_sg_copy_from_buffer(sc, buf, 36);
+			sc->result = GOOD;
+			break;
+
+		      case TEST_UNIT_READY:
+			sc->result = GOOD;
+			break;
+
+		      case READ_6:
+			if (desc[target_id] < 0 )
+				break;
+			simscsi_readwrite6(sc, SSC_READ);
+			break;
+
+		      case READ_10:
+			if (desc[target_id] < 0 )
+				break;
+			simscsi_readwrite10(sc, SSC_READ);
+			break;
+
+		      case WRITE_6:
+			if (desc[target_id] < 0)
+				break;
+			simscsi_readwrite6(sc, SSC_WRITE);
+			break;
+
+		      case WRITE_10:
+			if (desc[target_id] < 0)
+				break;
+			simscsi_readwrite10(sc, SSC_WRITE);
+			break;
+
+		      case READ_CAPACITY:
+			if (desc[target_id] < 0 || scsi_bufflen(sc) < 8) {
+				break;
+			}
+			buf = localbuf;
+			disk_size = simscsi_get_disk_size(desc[target_id]);
+
+			buf[0] = (disk_size >> 24) & 0xff;
+			buf[1] = (disk_size >> 16) & 0xff;
+			buf[2] = (disk_size >>  8) & 0xff;
+			buf[3] = (disk_size >>  0) & 0xff;
+			/* set block size of 512 bytes: */
+			buf[4] = 0;
+			buf[5] = 0;
+			buf[6] = 2;
+			buf[7] = 0;
+			scsi_sg_copy_from_buffer(sc, buf, 8);
+			sc->result = GOOD;
+			break;
+
+		      case MODE_SENSE:
+		      case MODE_SENSE_10:
+			/* sd.c uses this to determine whether disk does write-caching. */
+			scsi_sg_copy_from_buffer(sc, (char *)empty_zero_page,
+						 PAGE_SIZE);
+			sc->result = GOOD;
+			break;
+
+		      case START_STOP:
+			printk(KERN_ERR "START_STOP\n");
+			break;
+
+		      default:
+			panic("simscsi: unknown SCSI command %u\n", sc->cmnd[0]);
+		}
+	}
+	if (sc->result == DID_BAD_TARGET) {
+		sc->result |= DRIVER_SENSE << 24;
+		sc->sense_buffer[0] = 0x70;
+		sc->sense_buffer[2] = 0x00;
+	}
+	if (atomic_read(&num_reqs) >= SIMSCSI_REQ_QUEUE_LEN) {
+		panic("Attempt to queue command while command is pending!!");
+	}
+	atomic_inc(&num_reqs);
+	queue[wr].sc = sc;
+	wr = (wr + 1) % SIMSCSI_REQ_QUEUE_LEN;
+
+	tasklet_schedule(&simscsi_tasklet);
+	return 0;
+}
+
+static DEF_SCSI_QCMD(simscsi_queuecommand)
+
+static int
+simscsi_host_reset (struct scsi_cmnd *sc)
+{
+	printk(KERN_ERR "simscsi_host_reset: not implemented\n");
+	return 0;
+}
+
+static struct scsi_host_template driver_template = {
+	.name			= "simulated SCSI host adapter",
+	.proc_name		= "simscsi",
+	.queuecommand		= simscsi_queuecommand,
+	.eh_host_reset_handler	= simscsi_host_reset,
+	.bios_param		= simscsi_biosparam,
+	.can_queue		= SIMSCSI_REQ_QUEUE_LEN,
+	.this_id		= -1,
+	.sg_tablesize		= SG_ALL,
+	.max_sectors		= 1024,
+	.cmd_per_lun		= SIMSCSI_REQ_QUEUE_LEN,
+	.use_clustering		= DISABLE_CLUSTERING,
+};
+
+static int __init
+simscsi_init(void)
+{
+	int error;
+
+	host = scsi_host_alloc(&driver_template, 0);
+	if (!host)
+		return -ENOMEM;
+
+	error = scsi_add_host(host, NULL);
+	if (error)
+		goto free_host;
+	scsi_scan_host(host);
+	return 0;
+
+ free_host:
+	scsi_host_put(host);
+	return error;
+}
+
+static void __exit
+simscsi_exit(void)
+{
+	scsi_remove_host(host);
+	scsi_host_put(host);
+}
+
+module_init(simscsi_init);
+module_exit(simscsi_exit);

arch/ia64/hp/sim/simserial.c

@@ -0,0 +1,545 @@
+/*
+ * Simulated Serial Driver (fake serial)
+ *
+ * This driver is mostly used for bringup purposes and will go away.
+ * It has a strong dependency on the system console. All outputs
+ * are rerouted to the same facility as the one used by printk which, in our
+ * case means sys_sim.c console (goes via the simulator).
+ *
+ * Copyright (C) 1999-2000, 2002-2003 Hewlett-Packard Co
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/tty.h>
+#include <linux/tty_flip.h>
+#include <linux/major.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/capability.h>
+#include <linux/circ_buf.h>
+#include <linux/console.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/serial.h>
+#include <linux/sysrq.h>
+#include <linux/uaccess.h>
+
+#include <asm/hpsim.h>
+
+#include "hpsim_ssc.h"
+
+#undef SIMSERIAL_DEBUG	/* define this to get some debug information */
+
+#define KEYBOARD_INTR	3	/* must match with simulator! */
+
+#define NR_PORTS	1	/* only one port for now */
+
+struct serial_state {
+	struct tty_port port;
+	struct circ_buf xmit;
+	int irq;
+	int x_char;
+};
+
+static struct serial_state rs_table[NR_PORTS];
+
+struct tty_driver *hp_simserial_driver;
+
+static struct console *console;
+
+static void receive_chars(struct tty_port *port)
+{
+	unsigned char ch;
+	static unsigned char seen_esc = 0;
+
+	while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
+		if (ch == 27 && seen_esc == 0) {
+			seen_esc = 1;
+			continue;
+		} else if (seen_esc == 1 && ch == 'O') {
+			seen_esc = 2;
+			continue;
+		} else if (seen_esc == 2) {
+			if (ch == 'P') /* F1 */
+				show_state();
+#ifdef CONFIG_MAGIC_SYSRQ
+			if (ch == 'S') { /* F4 */
+				do {
+					ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR);
+				} while (!ch);
+				handle_sysrq(ch);
+			}
+#endif
+			seen_esc = 0;
+			continue;
+		}
+		seen_esc = 0;
+
+		if (tty_insert_flip_char(port, ch, TTY_NORMAL) == 0)
+			break;
+	}
+	tty_flip_buffer_push(port);
+}
+
+/*
+ * This is the serial driver's interrupt routine for a single port
+ */
+static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
+{
+	struct serial_state *info = dev_id;
+
+	receive_chars(&info->port);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * -------------------------------------------------------------------
+ * Here ends the serial interrupt routines.
+ * -------------------------------------------------------------------
+ */
+
+static int rs_put_char(struct tty_struct *tty, unsigned char ch)
+{
+	struct serial_state *info = tty->driver_data;
+	unsigned long flags;
+
+	if (!info->xmit.buf)
+		return 0;
+
+	local_irq_save(flags);
+	if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) == 0) {
+		local_irq_restore(flags);
+		return 0;
+	}
+	info->xmit.buf[info->xmit.head] = ch;
+	info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
+	local_irq_restore(flags);
+	return 1;
+}
+
+static void transmit_chars(struct tty_struct *tty, struct serial_state *info,
+		int *intr_done)
+{
+	int count;
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	if (info->x_char) {
+		char c = info->x_char;
+
+		console->write(console, &c, 1);
+
+		info->x_char = 0;
+
+		goto out;
+	}
+
+	if (info->xmit.head == info->xmit.tail || tty->stopped) {
+#ifdef SIMSERIAL_DEBUG
+		printk("transmit_chars: head=%d, tail=%d, stopped=%d\n",
+		       info->xmit.head, info->xmit.tail, tty->stopped);
+#endif
+		goto out;
+	}
+	/*
+	 * We removed the loop and try to do it in to chunks. We need
+	 * 2 operations maximum because it's a ring buffer.
+	 *
+	 * First from current to tail if possible.
+	 * Then from the beginning of the buffer until necessary
+	 */
+
+	count = min(CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE),
+		    SERIAL_XMIT_SIZE - info->xmit.tail);
+	console->write(console, info->xmit.buf+info->xmit.tail, count);
+
+	info->xmit.tail = (info->xmit.tail+count) & (SERIAL_XMIT_SIZE-1);
+
+	/*
+	 * We have more at the beginning of the buffer
+	 */
+	count = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+	if (count) {
+		console->write(console, info->xmit.buf, count);
+		info->xmit.tail += count;
+	}
+out:
+	local_irq_restore(flags);
+}
+
+static void rs_flush_chars(struct tty_struct *tty)
+{
+	struct serial_state *info = tty->driver_data;
+
+	if (info->xmit.head == info->xmit.tail || tty->stopped ||
+			!info->xmit.buf)
+		return;
+
+	transmit_chars(tty, info, NULL);
+}
+
+static int rs_write(struct tty_struct * tty,
+		    const unsigned char *buf, int count)
+{
+	struct serial_state *info = tty->driver_data;
+	int	c, ret = 0;
+	unsigned long flags;
+
+	if (!info->xmit.buf)
+		return 0;
+
+	local_irq_save(flags);
+	while (1) {
+		c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+		if (count < c)
+			c = count;
+		if (c <= 0) {
+			break;
+		}
+		memcpy(info->xmit.buf + info->xmit.head, buf, c);
+		info->xmit.head = ((info->xmit.head + c) &
+				   (SERIAL_XMIT_SIZE-1));
+		buf += c;
+		count -= c;
+		ret += c;
+	}
+	local_irq_restore(flags);
+	/*
+	 * Hey, we transmit directly from here in our case
+	 */
+	if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) &&
+			!tty->stopped)
+		transmit_chars(tty, info, NULL);
+
+	return ret;
+}
+
+static int rs_write_room(struct tty_struct *tty)
+{
+	struct serial_state *info = tty->driver_data;
+
+	return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+}
+
+static int rs_chars_in_buffer(struct tty_struct *tty)
+{
+	struct serial_state *info = tty->driver_data;
+
+	return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
+}
+
+static void rs_flush_buffer(struct tty_struct *tty)
+{
+	struct serial_state *info = tty->driver_data;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	info->xmit.head = info->xmit.tail = 0;
+	local_irq_restore(flags);
+
+	tty_wakeup(tty);
+}
+
+/*
+ * This function is used to send a high-priority XON/XOFF character to
+ * the device
+ */
+static void rs_send_xchar(struct tty_struct *tty, char ch)
+{
+	struct serial_state *info = tty->driver_data;
+
+	info->x_char = ch;
+	if (ch) {
+		/*
+		 * I guess we could call console->write() directly but
+		 * let's do that for now.
+		 */
+		transmit_chars(tty, info, NULL);
+	}
+}
+
+/*
+ * ------------------------------------------------------------
+ * rs_throttle()
+ *
+ * This routine is called by the upper-layer tty layer to signal that
+ * incoming characters should be throttled.
+ * ------------------------------------------------------------
+ */
+static void rs_throttle(struct tty_struct * tty)
+{
+	if (I_IXOFF(tty))
+		rs_send_xchar(tty, STOP_CHAR(tty));
+
+	printk(KERN_INFO "simrs_throttle called\n");
+}
+
+static void rs_unthrottle(struct tty_struct * tty)
+{
+	struct serial_state *info = tty->driver_data;
+
+	if (I_IXOFF(tty)) {
+		if (info->x_char)
+			info->x_char = 0;
+		else
+			rs_send_xchar(tty, START_CHAR(tty));
+	}
+	printk(KERN_INFO "simrs_unthrottle called\n");
+}
+
+static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
+{
+	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
+	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
+	    (cmd != TIOCMIWAIT)) {
+		if (tty->flags & (1 << TTY_IO_ERROR))
+		    return -EIO;
+	}
+
+	switch (cmd) {
+	case TIOCGSERIAL:
+	case TIOCSSERIAL:
+	case TIOCSERGSTRUCT:
+	case TIOCMIWAIT:
+		return 0;
+	case TIOCSERCONFIG:
+	case TIOCSERGETLSR: /* Get line status register */
+		return -EINVAL;
+	case TIOCSERGWILD:
+	case TIOCSERSWILD:
+		/* "setserial -W" is called in Debian boot */
+		printk (KERN_INFO "TIOCSER?WILD ioctl obsolete, ignored.\n");
+		return 0;
+	}
+	return -ENOIOCTLCMD;
+}
+
+#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
+
+/*
+ * This routine will shutdown a serial port; interrupts are disabled, and
+ * DTR is dropped if the hangup on close termio flag is on.
+ */
+static void shutdown(struct tty_port *port)
+{
+	struct serial_state *info = container_of(port, struct serial_state,
+			port);
+	unsigned long flags;
+
+	local_irq_save(flags);
+	if (info->irq)
+		free_irq(info->irq, info);
+
+	if (info->xmit.buf) {
+		free_page((unsigned long) info->xmit.buf);
+		info->xmit.buf = NULL;
+	}
+	local_irq_restore(flags);
+}
+
+static void rs_close(struct tty_struct *tty, struct file * filp)
+{
+	struct serial_state *info = tty->driver_data;
+
+	tty_port_close(&info->port, tty, filp);
+}
+
+static void rs_hangup(struct tty_struct *tty)
+{
+	struct serial_state *info = tty->driver_data;
+
+	rs_flush_buffer(tty);
+	tty_port_hangup(&info->port);
+}
+
+static int activate(struct tty_port *port, struct tty_struct *tty)
+{
+	struct serial_state *state = container_of(port, struct serial_state,
+			port);
+	unsigned long flags, page;
+	int retval = 0;
+
+	page = get_zeroed_page(GFP_KERNEL);
+	if (!page)
+		return -ENOMEM;
+
+	local_irq_save(flags);
+
+	if (state->xmit.buf)
+		free_page(page);
+	else
+		state->xmit.buf = (unsigned char *) page;
+
+	if (state->irq) {
+		retval = request_irq(state->irq, rs_interrupt_single, 0,
+				"simserial", state);
+		if (retval)
+			goto errout;
+	}
+
+	state->xmit.head = state->xmit.tail = 0;
+
+	/*
+	 * Set up the tty->alt_speed kludge
+	 */
+	if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+		tty->alt_speed = 57600;
+	if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+		tty->alt_speed = 115200;
+	if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+		tty->alt_speed = 230400;
+	if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+		tty->alt_speed = 460800;
+
+errout:
+	local_irq_restore(flags);
+	return retval;
+}
+
+
+/*
+ * This routine is called whenever a serial port is opened.  It
+ * enables interrupts for a serial port, linking in its async structure into
+ * the IRQ chain.   It also performs the serial-specific
+ * initialization for the tty structure.
+ */
+static int rs_open(struct tty_struct *tty, struct file * filp)
+{
+	struct serial_state *info = rs_table + tty->index;
+	struct tty_port *port = &info->port;
+
+	tty->driver_data = info;
+	port->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+
+	/*
+	 * figure out which console to use (should be one already)
+	 */
+	console = console_drivers;
+	while (console) {
+		if ((console->flags & CON_ENABLED) && console->write) break;
+		console = console->next;
+	}
+
+	return tty_port_open(port, tty, filp);
+}
+
+/*
+ * /proc fs routines....
+ */
+
+static int rs_proc_show(struct seq_file *m, void *v)
+{
+	int i;
+
+	seq_printf(m, "simserinfo:1.0\n");
+	for (i = 0; i < NR_PORTS; i++)
+		seq_printf(m, "%d: uart:16550 port:3F8 irq:%d\n",
+		       i, rs_table[i].irq);
+	return 0;
+}
+
+static int rs_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, rs_proc_show, NULL);
+}
+
+static const struct file_operations rs_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= rs_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static const struct tty_operations hp_ops = {
+	.open = rs_open,
+	.close = rs_close,
+	.write = rs_write,
+	.put_char = rs_put_char,
+	.flush_chars = rs_flush_chars,
+	.write_room = rs_write_room,
+	.chars_in_buffer = rs_chars_in_buffer,
+	.flush_buffer = rs_flush_buffer,
+	.ioctl = rs_ioctl,
+	.throttle = rs_throttle,
+	.unthrottle = rs_unthrottle,
+	.send_xchar = rs_send_xchar,
+	.hangup = rs_hangup,
+	.proc_fops = &rs_proc_fops,
+};
+
+static const struct tty_port_operations hp_port_ops = {
+	.activate = activate,
+	.shutdown = shutdown,
+};
+
+static int __init simrs_init(void)
+{
+	struct serial_state *state;
+	int retval;
+
+	if (!ia64_platform_is("hpsim"))
+		return -ENODEV;
+
+	hp_simserial_driver = alloc_tty_driver(NR_PORTS);
+	if (!hp_simserial_driver)
+		return -ENOMEM;
+
+	printk(KERN_INFO "SimSerial driver with no serial options enabled\n");
+
+	/* Initialize the tty_driver structure */
+
+	hp_simserial_driver->driver_name = "simserial";
+	hp_simserial_driver->name = "ttyS";
+	hp_simserial_driver->major = TTY_MAJOR;
+	hp_simserial_driver->minor_start = 64;
+	hp_simserial_driver->type = TTY_DRIVER_TYPE_SERIAL;
+	hp_simserial_driver->subtype = SERIAL_TYPE_NORMAL;
+	hp_simserial_driver->init_termios = tty_std_termios;
+	hp_simserial_driver->init_termios.c_cflag =
+		B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+	hp_simserial_driver->flags = TTY_DRIVER_REAL_RAW;
+	tty_set_operations(hp_simserial_driver, &hp_ops);
+
+	state = rs_table;
+	tty_port_init(&state->port);
+	state->port.ops = &hp_port_ops;
+	state->port.close_delay = 0; /* XXX really 0? */
+
+	retval = hpsim_get_irq(KEYBOARD_INTR);
+	if (retval < 0) {
+		printk(KERN_ERR "%s: out of interrupt vectors!\n",
+				__func__);
+		goto err_free_tty;
+	}
+
+	state->irq = retval;
+
+	/* the port is imaginary */
+	printk(KERN_INFO "ttyS0 at 0x03f8 (irq = %d) is a 16550\n", state->irq);
+
+	tty_port_link_device(&state->port, hp_simserial_driver, 0);
+	retval = tty_register_driver(hp_simserial_driver);
+	if (retval) {
+		printk(KERN_ERR "Couldn't register simserial driver\n");
+		goto err_free_tty;
+	}
+
+	return 0;
+err_free_tty:
+	put_tty_driver(hp_simserial_driver);
+	tty_port_destroy(&state->port);
+	return retval;
+}
+
+#ifndef MODULE
+__initcall(simrs_init);
+#endif

arch/ia64/hp/zx1/Makefile

@@ -0,0 +1,8 @@
+#
+# ia64/hp/zx1/Makefile
+#
+# Copyright (C) 2002 Hewlett Packard
+# Copyright (C) Alex Williamson (alex_williamson@hp.com)
+#
+
+obj-$(CONFIG_IA64_GENERIC) += hpzx1_machvec.o hpzx1_swiotlb_machvec.o

arch/ia64/hp/zx1/hpzx1_machvec.c

@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		hpzx1
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_hpzx1.h>
+#include <asm/machvec_init.h>

arch/ia64/hp/zx1/hpzx1_swiotlb_machvec.c

@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		hpzx1_swiotlb
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_hpzx1_swiotlb.h>
+#include <asm/machvec_init.h>

arch/ia64/include/asm/Kbuild

@@ -0,0 +1,11 @@
+
+generic-y += clkdev.h
+generic-y += exec.h
+generic-y += hash.h
+generic-y += irq_work.h
+generic-y += kvm_para.h
+generic-y += mcs_spinlock.h
+generic-y += preempt.h
+generic-y += scatterlist.h
+generic-y += trace_clock.h
+generic-y += vtime.h

arch/ia64/include/asm/acenv.h

@@ -0,0 +1,52 @@
+/*
+ * IA64 specific ACPICA environments and implementation
+ *
+ * Copyright (C) 2014, Intel Corporation
+ *   Author: Lv Zheng <lv.zheng@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_IA64_ACENV_H
+#define _ASM_IA64_ACENV_H
+
+#include <asm/intrinsics.h>
+
+#define COMPILER_DEPENDENT_INT64	long
+#define COMPILER_DEPENDENT_UINT64	unsigned long
+
+/* Asm macros */
+
+static inline int
+ia64_acpi_acquire_global_lock(unsigned int *lock)
+{
+	unsigned int old, new, val;
+	do {
+		old = *lock;
+		new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
+		val = ia64_cmpxchg4_acq(lock, new, old);
+	} while (unlikely (val != old));
+	return (new < 3) ? -1 : 0;
+}
+
+static inline int
+ia64_acpi_release_global_lock(unsigned int *lock)
+{
+	unsigned int old, new, val;
+	do {
+		old = *lock;
+		new = old & ~0x3;
+		val = ia64_cmpxchg4_acq(lock, new, old);
+	} while (unlikely (val != old));
+	return old & 0x1;
+}
+
+#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq)				\
+	((Acq) = ia64_acpi_acquire_global_lock(&facs->global_lock))
+
+#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq)				\
+	((Acq) = ia64_acpi_release_global_lock(&facs->global_lock))
+
+#endif /* _ASM_IA64_ACENV_H */

arch/ia64/include/asm/acpi-ext.h

@@ -0,0 +1,20 @@
+/*
+ * (c) Copyright 2003, 2006 Hewlett-Packard Development Company, L.P.
+ *	Alex Williamson <alex.williamson@hp.com>
+ *	Bjorn Helgaas <bjorn.helgaas@hp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Vendor specific extensions to ACPI.
+ */
+
+#ifndef _ASM_IA64_ACPI_EXT_H
+#define _ASM_IA64_ACPI_EXT_H
+
+#include <linux/types.h>
+
+extern acpi_status hp_acpi_csr_space (acpi_handle, u64 *base, u64 *length);
+
+#endif /* _ASM_IA64_ACPI_EXT_H */

arch/ia64/include/asm/acpi.h

@@ -0,0 +1,147 @@
+/*
+ *  Copyright (C) 1999 VA Linux Systems
+ *  Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ *  Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
+ *  Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#ifndef _ASM_ACPI_H
+#define _ASM_ACPI_H
+
+#ifdef __KERNEL__
+
+#include <acpi/pdc_intel.h>
+
+#include <linux/init.h>
+#include <linux/numa.h>
+#include <asm/numa.h>
+
+#ifdef	CONFIG_ACPI
+extern int acpi_lapic;
+#define acpi_disabled 0	/* ACPI always enabled on IA64 */
+#define acpi_noirq 0	/* ACPI always enabled on IA64 */
+#define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
+#define acpi_strict 1	/* no ACPI spec workarounds on IA64 */
+
+static inline bool acpi_has_cpu_in_madt(void)
+{
+	return !!acpi_lapic;
+}
+#endif
+#define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
+static inline void disable_acpi(void) { }
+
+#ifdef CONFIG_IA64_GENERIC
+const char *acpi_get_sysname (void);
+#else
+static inline const char *acpi_get_sysname (void)
+{
+# if defined (CONFIG_IA64_HP_SIM)
+	return "hpsim";
+# elif defined (CONFIG_IA64_HP_ZX1)
+	return "hpzx1";
+# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
+	return "hpzx1_swiotlb";
+# elif defined (CONFIG_IA64_SGI_SN2)
+	return "sn2";
+# elif defined (CONFIG_IA64_SGI_UV)
+	return "uv";
+# elif defined (CONFIG_IA64_DIG)
+	return "dig";
+# elif defined(CONFIG_IA64_DIG_VTD)
+	return "dig_vtd";
+# else
+#	error Unknown platform.  Fix acpi.c.
+# endif
+}
+#endif
+int acpi_request_vector (u32 int_type);
+int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
+
+/* Low-level suspend routine. */
+extern int acpi_suspend_lowlevel(void);
+
+extern unsigned long acpi_wakeup_address;
+
+/*
+ * Record the cpei override flag and current logical cpu. This is
+ * useful for CPU removal.
+ */
+extern unsigned int can_cpei_retarget(void);
+extern unsigned int is_cpu_cpei_target(unsigned int cpu);
+extern void set_cpei_target_cpu(unsigned int cpu);
+extern unsigned int get_cpei_target_cpu(void);
+extern void prefill_possible_map(void);
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+extern int additional_cpus;
+#else
+#define additional_cpus 0
+#endif
+
+#ifdef CONFIG_ACPI_NUMA
+#if MAX_NUMNODES > 256
+#define MAX_PXM_DOMAINS MAX_NUMNODES
+#else
+#define MAX_PXM_DOMAINS (256)
+#endif
+extern int pxm_to_nid_map[MAX_PXM_DOMAINS];
+extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
+#endif
+
+static inline bool arch_has_acpi_pdc(void) { return true; }
+static inline void arch_acpi_set_pdc_bits(u32 *buf)
+{
+	buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP;
+}
+
+#define acpi_unlazy_tlb(x)
+
+#ifdef CONFIG_ACPI_NUMA
+extern cpumask_t early_cpu_possible_map;
+#define for_each_possible_early_cpu(cpu)  \
+	for_each_cpu_mask((cpu), early_cpu_possible_map)
+
+static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
+{
+	int low_cpu, high_cpu;
+	int cpu;
+	int next_nid = 0;
+
+	low_cpu = cpus_weight(early_cpu_possible_map);
+
+	high_cpu = max(low_cpu, min_cpus);
+	high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
+
+	for (cpu = low_cpu; cpu < high_cpu; cpu++) {
+		cpu_set(cpu, early_cpu_possible_map);
+		if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
+			node_cpuid[cpu].nid = next_nid;
+			next_nid++;
+			if (next_nid >= num_online_nodes())
+				next_nid = 0;
+		}
+	}
+}
+#endif /* CONFIG_ACPI_NUMA */
+
+#endif /*__KERNEL__*/
+
+#endif /*_ASM_ACPI_H*/

arch/ia64/include/asm/agp.h

@@ -0,0 +1,26 @@
+#ifndef _ASM_IA64_AGP_H
+#define _ASM_IA64_AGP_H
+
+/*
+ * IA-64 specific AGP definitions.
+ *
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+/*
+ * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
+ * in coherent mode, which lets us map the AGP memory as normal (write-back) memory
+ * (unlike x86, where it gets mapped "write-coalescing").
+ */
+#define map_page_into_agp(page)		/* nothing */
+#define unmap_page_from_agp(page)	/* nothing */
+#define flush_agp_cache()		mb()
+
+/* GATT allocation. Returns/accepts GATT kernel virtual address. */
+#define alloc_gatt_pages(order)		\
+	((char *)__get_free_pages(GFP_KERNEL, (order)))
+#define free_gatt_pages(table, order)	\
+	free_pages((unsigned long)(table), (order))
+
+#endif /* _ASM_IA64_AGP_H */

arch/ia64/include/asm/asm-offsets.h

@@ -0,0 +1 @@
+#include <generated/asm-offsets.h>

arch/ia64/include/asm/asmmacro.h

@@ -0,0 +1,135 @@
+#ifndef _ASM_IA64_ASMMACRO_H
+#define _ASM_IA64_ASMMACRO_H
+
+/*
+ * Copyright (C) 2000-2001, 2003-2004 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+
+#define ENTRY(name)				\
+	.align 32;				\
+	.proc name;				\
+name:
+
+#define ENTRY_MIN_ALIGN(name)			\
+	.align 16;				\
+	.proc name;				\
+name:
+
+#define GLOBAL_ENTRY(name)			\
+	.global name;				\
+	ENTRY(name)
+
+#define END(name)				\
+	.endp name
+
+/*
+ * Helper macros to make unwind directives more readable:
+ */
+
+/* prologue_gr: */
+#define ASM_UNW_PRLG_RP			0x8
+#define ASM_UNW_PRLG_PFS		0x4
+#define ASM_UNW_PRLG_PSP		0x2
+#define ASM_UNW_PRLG_PR			0x1
+#define ASM_UNW_PRLG_GRSAVE(ninputs)	(32+(ninputs))
+
+/*
+ * Helper macros for accessing user memory.
+ *
+ * When adding any new .section/.previous entries here, make sure to
+ * also add it to the DISCARD section in arch/ia64/kernel/gate.lds.S or
+ * unpleasant things will happen.
+ */
+
+	.section "__ex_table", "a"		// declare section & section attributes
+	.previous
+
+# define EX(y,x...)				\
+	.xdata4 "__ex_table", 99f-., y-.;	\
+  [99:]	x
+# define EXCLR(y,x...)				\
+	.xdata4 "__ex_table", 99f-., y-.+4;	\
+  [99:]	x
+
+/*
+ * Tag MCA recoverable instruction ranges.
+ */
+
+	.section "__mca_table", "a"		// declare section & section attributes
+	.previous
+
+# define MCA_RECOVER_RANGE(y)			\
+	.xdata4 "__mca_table", y-., 99f-.;	\
+  [99:]
+
+/*
+ * Mark instructions that need a load of a virtual address patched to be
+ * a load of a physical address.  We use this either in critical performance
+ * path (ivt.S - TLB miss processing) or in places where it might not be
+ * safe to use a "tpa" instruction (mca_asm.S - error recovery).
+ */
+	.section ".data..patch.vtop", "a"	// declare section & section attributes
+	.previous
+
+#define	LOAD_PHYSICAL(pr, reg, obj)		\
+[1:](pr)movl reg = obj;				\
+	.xdata4 ".data..patch.vtop", 1b-.
+
+/*
+ * For now, we always put in the McKinley E9 workaround.  On CPUs that don't need it,
+ * we'll patch out the work-around bundles with NOPs, so their impact is minimal.
+ */
+#define DO_MCKINLEY_E9_WORKAROUND
+
+#ifdef DO_MCKINLEY_E9_WORKAROUND
+	.section ".data..patch.mckinley_e9", "a"
+	.previous
+/* workaround for Itanium 2 Errata 9: */
+# define FSYS_RETURN					\
+	.xdata4 ".data..patch.mckinley_e9", 1f-.;	\
+1:{ .mib;						\
+	nop.m 0;					\
+	mov r16=ar.pfs;					\
+	br.call.sptk.many b7=2f;;			\
+  };							\
+2:{ .mib;						\
+	nop.m 0;					\
+	mov ar.pfs=r16;					\
+	br.ret.sptk.many b6;;				\
+  }
+#else
+# define FSYS_RETURN	br.ret.sptk.many b6
+#endif
+
+/*
+ * If physical stack register size is different from DEF_NUM_STACK_REG,
+ * dynamically patch the kernel for correct size.
+ */
+	.section ".data..patch.phys_stack_reg", "a"
+	.previous
+#define LOAD_PHYS_STACK_REG_SIZE(reg)			\
+[1:]	adds reg=IA64_NUM_PHYS_STACK_REG*8+8,r0;	\
+	.xdata4 ".data..patch.phys_stack_reg", 1b-.
+
+/*
+ * Up until early 2004, use of .align within a function caused bad unwind info.
+ * TEXT_ALIGN(n) expands into ".align n" if a fixed GAS is available or into nothing
+ * otherwise.
+ */
+#ifdef HAVE_WORKING_TEXT_ALIGN
+# define TEXT_ALIGN(n)	.align n
+#else
+# define TEXT_ALIGN(n)
+#endif
+
+#ifdef HAVE_SERIALIZE_DIRECTIVE
+# define dv_serialize_data		.serialize.data
+# define dv_serialize_instruction	.serialize.instruction
+#else
+# define dv_serialize_data
+# define dv_serialize_instruction
+#endif
+
+#endif /* _ASM_IA64_ASMMACRO_H */

arch/ia64/include/asm/atomic.h

@@ -0,0 +1,196 @@
+#ifndef _ASM_IA64_ATOMIC_H
+#define _ASM_IA64_ATOMIC_H
+
+/*
+ * Atomic operations that C can't guarantee us.  Useful for
+ * resource counting etc..
+ *
+ * NOTE: don't mess with the types below!  The "unsigned long" and
+ * "int" types were carefully placed so as to ensure proper operation
+ * of the macros.
+ *
+ * Copyright (C) 1998, 1999, 2002-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#include <linux/types.h>
+
+#include <asm/intrinsics.h>
+#include <asm/barrier.h>
+
+
+#define ATOMIC_INIT(i)		{ (i) }
+#define ATOMIC64_INIT(i)	{ (i) }
+
+#define atomic_read(v)		ACCESS_ONCE((v)->counter)
+#define atomic64_read(v)	ACCESS_ONCE((v)->counter)
+
+#define atomic_set(v,i)		(((v)->counter) = (i))
+#define atomic64_set(v,i)	(((v)->counter) = (i))
+
+#define ATOMIC_OP(op, c_op)						\
+static __inline__ int							\
+ia64_atomic_##op (int i, atomic_t *v)					\
+{									\
+	__s32 old, new;							\
+	CMPXCHG_BUGCHECK_DECL						\
+									\
+	do {								\
+		CMPXCHG_BUGCHECK(v);					\
+		old = atomic_read(v);					\
+		new = old c_op i;					\
+	} while (ia64_cmpxchg(acq, v, old, new, sizeof(atomic_t)) != old); \
+	return new;							\
+}
+
+ATOMIC_OP(add, +)
+ATOMIC_OP(sub, -)
+
+#undef ATOMIC_OP
+
+#define atomic_add_return(i,v)						\
+({									\
+	int __ia64_aar_i = (i);						\
+	(__builtin_constant_p(i)					\
+	 && (   (__ia64_aar_i ==  1) || (__ia64_aar_i ==   4)		\
+	     || (__ia64_aar_i ==  8) || (__ia64_aar_i ==  16)		\
+	     || (__ia64_aar_i == -1) || (__ia64_aar_i ==  -4)		\
+	     || (__ia64_aar_i == -8) || (__ia64_aar_i == -16)))		\
+		? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter)	\
+		: ia64_atomic_add(__ia64_aar_i, v);			\
+})
+
+#define atomic_sub_return(i,v)						\
+({									\
+	int __ia64_asr_i = (i);						\
+	(__builtin_constant_p(i)					\
+	 && (   (__ia64_asr_i ==   1) || (__ia64_asr_i ==   4)		\
+	     || (__ia64_asr_i ==   8) || (__ia64_asr_i ==  16)		\
+	     || (__ia64_asr_i ==  -1) || (__ia64_asr_i ==  -4)		\
+	     || (__ia64_asr_i ==  -8) || (__ia64_asr_i == -16)))	\
+		? ia64_fetch_and_add(-__ia64_asr_i, &(v)->counter)	\
+		: ia64_atomic_sub(__ia64_asr_i, v);			\
+})
+
+#define ATOMIC64_OP(op, c_op)						\
+static __inline__ long							\
+ia64_atomic64_##op (__s64 i, atomic64_t *v)				\
+{									\
+	__s64 old, new;							\
+	CMPXCHG_BUGCHECK_DECL						\
+									\
+	do {								\
+		CMPXCHG_BUGCHECK(v);					\
+		old = atomic64_read(v);					\
+		new = old c_op i;					\
+	} while (ia64_cmpxchg(acq, v, old, new, sizeof(atomic64_t)) != old); \
+	return new;							\
+}
+
+ATOMIC64_OP(add, +)
+ATOMIC64_OP(sub, -)
+
+#undef ATOMIC64_OP
+
+#define atomic64_add_return(i,v)					\
+({									\
+	long __ia64_aar_i = (i);					\
+	(__builtin_constant_p(i)					\
+	 && (   (__ia64_aar_i ==  1) || (__ia64_aar_i ==   4)		\
+	     || (__ia64_aar_i ==  8) || (__ia64_aar_i ==  16)		\
+	     || (__ia64_aar_i == -1) || (__ia64_aar_i ==  -4)		\
+	     || (__ia64_aar_i == -8) || (__ia64_aar_i == -16)))		\
+		? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter)	\
+		: ia64_atomic64_add(__ia64_aar_i, v);			\
+})
+
+#define atomic64_sub_return(i,v)					\
+({									\
+	long __ia64_asr_i = (i);					\
+	(__builtin_constant_p(i)					\
+	 && (   (__ia64_asr_i ==   1) || (__ia64_asr_i ==   4)		\
+	     || (__ia64_asr_i ==   8) || (__ia64_asr_i ==  16)		\
+	     || (__ia64_asr_i ==  -1) || (__ia64_asr_i ==  -4)		\
+	     || (__ia64_asr_i ==  -8) || (__ia64_asr_i == -16)))	\
+		? ia64_fetch_and_add(-__ia64_asr_i, &(v)->counter)	\
+		: ia64_atomic64_sub(__ia64_asr_i, v);			\
+})
+
+#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
+#define atomic64_cmpxchg(v, old, new) \
+	(cmpxchg(&((v)->counter), old, new))
+#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
+
+static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
+{
+	int c, old;
+	c = atomic_read(v);
+	for (;;) {
+		if (unlikely(c == (u)))
+			break;
+		old = atomic_cmpxchg((v), c, c + (a));
+		if (likely(old == c))
+			break;
+		c = old;
+	}
+	return c;
+}
+
+
+static __inline__ long atomic64_add_unless(atomic64_t *v, long a, long u)
+{
+	long c, old;
+	c = atomic64_read(v);
+	for (;;) {
+		if (unlikely(c == (u)))
+			break;
+		old = atomic64_cmpxchg((v), c, c + (a));
+		if (likely(old == c))
+			break;
+		c = old;
+	}
+	return c != (u);
+}
+
+#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+
+/*
+ * Atomically add I to V and return TRUE if the resulting value is
+ * negative.
+ */
+static __inline__ int
+atomic_add_negative (int i, atomic_t *v)
+{
+	return atomic_add_return(i, v) < 0;
+}
+
+static __inline__ long
+atomic64_add_negative (__s64 i, atomic64_t *v)
+{
+	return atomic64_add_return(i, v) < 0;
+}
+
+#define atomic_dec_return(v)		atomic_sub_return(1, (v))
+#define atomic_inc_return(v)		atomic_add_return(1, (v))
+#define atomic64_dec_return(v)		atomic64_sub_return(1, (v))
+#define atomic64_inc_return(v)		atomic64_add_return(1, (v))
+
+#define atomic_sub_and_test(i,v)	(atomic_sub_return((i), (v)) == 0)
+#define atomic_dec_and_test(v)		(atomic_sub_return(1, (v)) == 0)
+#define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)
+#define atomic64_sub_and_test(i,v)	(atomic64_sub_return((i), (v)) == 0)
+#define atomic64_dec_and_test(v)	(atomic64_sub_return(1, (v)) == 0)
+#define atomic64_inc_and_test(v)	(atomic64_add_return(1, (v)) == 0)
+
+#define atomic_add(i,v)			(void)atomic_add_return((i), (v))
+#define atomic_sub(i,v)			(void)atomic_sub_return((i), (v))
+#define atomic_inc(v)			atomic_add(1, (v))
+#define atomic_dec(v)			atomic_sub(1, (v))
+
+#define atomic64_add(i,v)		(void)atomic64_add_return((i), (v))
+#define atomic64_sub(i,v)		(void)atomic64_sub_return((i), (v))
+#define atomic64_inc(v)			atomic64_add(1, (v))
+#define atomic64_dec(v)			atomic64_sub(1, (v))
+
+#endif /* _ASM_IA64_ATOMIC_H */

arch/ia64/include/asm/barrier.h

@@ -0,0 +1,94 @@
+/*
+ * Memory barrier definitions.  This is based on information published
+ * in the Processor Abstraction Layer and the System Abstraction Layer
+ * manual.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
+ */
+#ifndef _ASM_IA64_BARRIER_H
+#define _ASM_IA64_BARRIER_H
+
+#include <linux/compiler.h>
+
+/*
+ * Macros to force memory ordering.  In these descriptions, "previous"
+ * and "subsequent" refer to program order; "visible" means that all
+ * architecturally visible effects of a memory access have occurred
+ * (at a minimum, this means the memory has been read or written).
+ *
+ *   wmb():	Guarantees that all preceding stores to memory-
+ *		like regions are visible before any subsequent
+ *		stores and that all following stores will be
+ *		visible only after all previous stores.
+ *   rmb():	Like wmb(), but for reads.
+ *   mb():	wmb()/rmb() combo, i.e., all previous memory
+ *		accesses are visible before all subsequent
+ *		accesses and vice versa.  This is also known as
+ *		a "fence."
+ *
+ * Note: "mb()" and its variants cannot be used as a fence to order
+ * accesses to memory mapped I/O registers.  For that, mf.a needs to
+ * be used.  However, we don't want to always use mf.a because (a)
+ * it's (presumably) much slower than mf and (b) mf.a is supported for
+ * sequential memory pages only.
+ */
+#define mb()	ia64_mf()
+#define rmb()	mb()
+#define wmb()	mb()
+#define read_barrier_depends()	do { } while(0)
+
+#ifdef CONFIG_SMP
+# define smp_mb()	mb()
+# define smp_rmb()	rmb()
+# define smp_wmb()	wmb()
+# define smp_read_barrier_depends()	read_barrier_depends()
+
+#else
+
+# define smp_mb()	barrier()
+# define smp_rmb()	barrier()
+# define smp_wmb()	barrier()
+# define smp_read_barrier_depends()	do { } while(0)
+
+#endif
+
+#define smp_mb__before_atomic()	barrier()
+#define smp_mb__after_atomic()	barrier()
+
+/*
+ * IA64 GCC turns volatile stores into st.rel and volatile loads into ld.acq no
+ * need for asm trickery!
+ */
+
+#define smp_store_release(p, v)						\
+do {									\
+	compiletime_assert_atomic_type(*p);				\
+	barrier();							\
+	ACCESS_ONCE(*p) = (v);						\
+} while (0)
+
+#define smp_load_acquire(p)						\
+({									\
+	typeof(*p) ___p1 = ACCESS_ONCE(*p);				\
+	compiletime_assert_atomic_type(*p);				\
+	barrier();							\
+	___p1;								\
+})
+
+/*
+ * XXX check on this ---I suspect what Linus really wants here is
+ * acquire vs release semantics but we can't discuss this stuff with
+ * Linus just yet.  Grrr...
+ */
+#define set_mb(var, value)	do { (var) = (value); mb(); } while (0)
+
+/*
+ * The group barrier in front of the rsm & ssm are necessary to ensure
+ * that none of the previous instructions in the same group are
+ * affected by the rsm/ssm.
+ */
+
+#endif /* _ASM_IA64_BARRIER_H */

arch/ia64/include/asm/bitops.h

@@ -0,0 +1,456 @@
+#ifndef _ASM_IA64_BITOPS_H
+#define _ASM_IA64_BITOPS_H
+
+/*
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *
+ * 02/06/02 find_next_bit() and find_first_bit() added from Erich Focht's ia64
+ * O(1) scheduler patch
+ */
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <asm/intrinsics.h>
+#include <asm/barrier.h>
+
+/**
+ * set_bit - Atomically set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * This function is atomic and may not be reordered.  See __set_bit()
+ * if you do not require the atomic guarantees.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ *
+ * The address must be (at least) "long" aligned.
+ * Note that there are driver (e.g., eepro100) which use these operations to
+ * operate on hw-defined data-structures, so we can't easily change these
+ * operations to force a bigger alignment.
+ *
+ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1).
+ */
+static __inline__ void
+set_bit (int nr, volatile void *addr)
+{
+	__u32 bit, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	bit = 1 << (nr & 31);
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old | bit;
+	} while (cmpxchg_acq(m, old, new) != old);
+}
+
+/**
+ * __set_bit - Set a bit in memory
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ *
+ * Unlike set_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+static __inline__ void
+__set_bit (int nr, volatile void *addr)
+{
+	*((__u32 *) addr + (nr >> 5)) |= (1 << (nr & 31));
+}
+
+/**
+ * clear_bit - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and may not be reordered.  However, it does
+ * not contain a memory barrier, so if it is used for locking purposes,
+ * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
+ * in order to ensure changes are visible on other processors.
+ */
+static __inline__ void
+clear_bit (int nr, volatile void *addr)
+{
+	__u32 mask, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	mask = ~(1 << (nr & 31));
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old & mask;
+	} while (cmpxchg_acq(m, old, new) != old);
+}
+
+/**
+ * clear_bit_unlock - Clears a bit in memory with release
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit_unlock() is atomic and may not be reordered.  It does
+ * contain a memory barrier suitable for unlock type operations.
+ */
+static __inline__ void
+clear_bit_unlock (int nr, volatile void *addr)
+{
+	__u32 mask, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	mask = ~(1 << (nr & 31));
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old & mask;
+	} while (cmpxchg_rel(m, old, new) != old);
+}
+
+/**
+ * __clear_bit_unlock - Non-atomically clears a bit in memory with release
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * Similarly to clear_bit_unlock, the implementation uses a store
+ * with release semantics. See also arch_spin_unlock().
+ */
+static __inline__ void
+__clear_bit_unlock(int nr, void *addr)
+{
+	__u32 * const m = (__u32 *) addr + (nr >> 5);
+	__u32 const new = *m & ~(1 << (nr & 31));
+
+	ia64_st4_rel_nta(m, new);
+}
+
+/**
+ * __clear_bit - Clears a bit in memory (non-atomic version)
+ * @nr: the bit to clear
+ * @addr: the address to start counting from
+ *
+ * Unlike clear_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+static __inline__ void
+__clear_bit (int nr, volatile void *addr)
+{
+	*((__u32 *) addr + (nr >> 5)) &= ~(1 << (nr & 31));
+}
+
+/**
+ * change_bit - Toggle a bit in memory
+ * @nr: Bit to toggle
+ * @addr: Address to start counting from
+ *
+ * change_bit() is atomic and may not be reordered.
+ * Note that @nr may be almost arbitrarily large; this function is not
+ * restricted to acting on a single-word quantity.
+ */
+static __inline__ void
+change_bit (int nr, volatile void *addr)
+{
+	__u32 bit, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	bit = (1 << (nr & 31));
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old ^ bit;
+	} while (cmpxchg_acq(m, old, new) != old);
+}
+
+/**
+ * __change_bit - Toggle a bit in memory
+ * @nr: the bit to toggle
+ * @addr: the address to start counting from
+ *
+ * Unlike change_bit(), this function is non-atomic and may be reordered.
+ * If it's called on the same region of memory simultaneously, the effect
+ * may be that only one operation succeeds.
+ */
+static __inline__ void
+__change_bit (int nr, volatile void *addr)
+{
+	*((__u32 *) addr + (nr >> 5)) ^= (1 << (nr & 31));
+}
+
+/**
+ * test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.  
+ * It also implies the acquisition side of the memory barrier.
+ */
+static __inline__ int
+test_and_set_bit (int nr, volatile void *addr)
+{
+	__u32 bit, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	bit = 1 << (nr & 31);
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old | bit;
+	} while (cmpxchg_acq(m, old, new) != old);
+	return (old & bit) != 0;
+}
+
+/**
+ * test_and_set_bit_lock - Set a bit and return its old value for lock
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This is the same as test_and_set_bit on ia64
+ */
+#define test_and_set_bit_lock test_and_set_bit
+
+/**
+ * __test_and_set_bit - Set a bit and return its old value
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.  
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail.  You must protect multiple accesses with a lock.
+ */
+static __inline__ int
+__test_and_set_bit (int nr, volatile void *addr)
+{
+	__u32 *p = (__u32 *) addr + (nr >> 5);
+	__u32 m = 1 << (nr & 31);
+	int oldbitset = (*p & m) != 0;
+
+	*p |= m;
+	return oldbitset;
+}
+
+/**
+ * test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.  
+ * It also implies the acquisition side of the memory barrier.
+ */
+static __inline__ int
+test_and_clear_bit (int nr, volatile void *addr)
+{
+	__u32 mask, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	mask = ~(1 << (nr & 31));
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old & mask;
+	} while (cmpxchg_acq(m, old, new) != old);
+	return (old & ~mask) != 0;
+}
+
+/**
+ * __test_and_clear_bit - Clear a bit and return its old value
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.  
+ * If two examples of this operation race, one can appear to succeed
+ * but actually fail.  You must protect multiple accesses with a lock.
+ */
+static __inline__ int
+__test_and_clear_bit(int nr, volatile void * addr)
+{
+	__u32 *p = (__u32 *) addr + (nr >> 5);
+	__u32 m = 1 << (nr & 31);
+	int oldbitset = (*p & m) != 0;
+
+	*p &= ~m;
+	return oldbitset;
+}
+
+/**
+ * test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to change
+ * @addr: Address to count from
+ *
+ * This operation is atomic and cannot be reordered.  
+ * It also implies the acquisition side of the memory barrier.
+ */
+static __inline__ int
+test_and_change_bit (int nr, volatile void *addr)
+{
+	__u32 bit, old, new;
+	volatile __u32 *m;
+	CMPXCHG_BUGCHECK_DECL
+
+	m = (volatile __u32 *) addr + (nr >> 5);
+	bit = (1 << (nr & 31));
+	do {
+		CMPXCHG_BUGCHECK(m);
+		old = *m;
+		new = old ^ bit;
+	} while (cmpxchg_acq(m, old, new) != old);
+	return (old & bit) != 0;
+}
+
+/**
+ * __test_and_change_bit - Change a bit and return its old value
+ * @nr: Bit to change
+ * @addr: Address to count from
+ *
+ * This operation is non-atomic and can be reordered.
+ */
+static __inline__ int
+__test_and_change_bit (int nr, void *addr)
+{
+	__u32 old, bit = (1 << (nr & 31));
+	__u32 *m = (__u32 *) addr + (nr >> 5);
+
+	old = *m;
+	*m = old ^ bit;
+	return (old & bit) != 0;
+}
+
+static __inline__ int
+test_bit (int nr, const volatile void *addr)
+{
+	return 1 & (((const volatile __u32 *) addr)[nr >> 5] >> (nr & 31));
+}
+
+/**
+ * ffz - find the first zero bit in a long word
+ * @x: The long word to find the bit in
+ *
+ * Returns the bit-number (0..63) of the first (least significant) zero bit.
+ * Undefined if no zero exists, so code should check against ~0UL first...
+ */
+static inline unsigned long
+ffz (unsigned long x)
+{
+	unsigned long result;
+
+	result = ia64_popcnt(x & (~x - 1));
+	return result;
+}
+
+/**
+ * __ffs - find first bit in word.
+ * @x: The word to search
+ *
+ * Undefined if no bit exists, so code should check against 0 first.
+ */
+static __inline__ unsigned long
+__ffs (unsigned long x)
+{
+	unsigned long result;
+
+	result = ia64_popcnt((x-1) & ~x);
+	return result;
+}
+
+#ifdef __KERNEL__
+
+/*
+ * Return bit number of last (most-significant) bit set.  Undefined
+ * for x==0.  Bits are numbered from 0..63 (e.g., ia64_fls(9) == 3).
+ */
+static inline unsigned long
+ia64_fls (unsigned long x)
+{
+	long double d = x;
+	long exp;
+
+	exp = ia64_getf_exp(d);
+	return exp - 0xffff;
+}
+
+/*
+ * Find the last (most significant) bit set.  Returns 0 for x==0 and
+ * bits are numbered from 1..32 (e.g., fls(9) == 4).
+ */
+static inline int
+fls (int t)
+{
+	unsigned long x = t & 0xffffffffu;
+
+	if (!x)
+		return 0;
+	x |= x >> 1;
+	x |= x >> 2;
+	x |= x >> 4;
+	x |= x >> 8;
+	x |= x >> 16;
+	return ia64_popcnt(x);
+}
+
+/*
+ * Find the last (most significant) bit set.  Undefined for x==0.
+ * Bits are numbered from 0..63 (e.g., __fls(9) == 3).
+ */
+static inline unsigned long
+__fls (unsigned long x)
+{
+	x |= x >> 1;
+	x |= x >> 2;
+	x |= x >> 4;
+	x |= x >> 8;
+	x |= x >> 16;
+	x |= x >> 32;
+	return ia64_popcnt(x) - 1;
+}
+
+#include <asm-generic/bitops/fls64.h>
+
+#include <asm-generic/bitops/builtin-ffs.h>
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+static __inline__ unsigned long __arch_hweight64(unsigned long x)
+{
+	unsigned long result;
+	result = ia64_popcnt(x);
+	return result;
+}
+
+#define __arch_hweight32(x) ((unsigned int) __arch_hweight64((x) & 0xfffffffful))
+#define __arch_hweight16(x) ((unsigned int) __arch_hweight64((x) & 0xfffful))
+#define __arch_hweight8(x)  ((unsigned int) __arch_hweight64((x) & 0xfful))
+
+#include <asm-generic/bitops/const_hweight.h>
+
+#endif /* __KERNEL__ */
+
+#include <asm-generic/bitops/find.h>
+
+#ifdef __KERNEL__
+
+#include <asm-generic/bitops/le.h>
+
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
+
+#include <asm-generic/bitops/sched.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_IA64_BITOPS_H */

arch/ia64/include/asm/bug.h

@@ -0,0 +1,14 @@
+#ifndef _ASM_IA64_BUG_H
+#define _ASM_IA64_BUG_H
+
+#ifdef CONFIG_BUG
+#define ia64_abort()	__builtin_trap()
+#define BUG() do { printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); ia64_abort(); } while (0)
+
+/* should this BUG be made generic? */
+#define HAVE_ARCH_BUG
+#endif
+
+#include <asm-generic/bug.h>
+
+#endif

arch/ia64/include/asm/bugs.h

@@ -0,0 +1,19 @@
+/*
+ * This is included by init/main.c to check for architecture-dependent bugs.
+ *
+ * Needs:
+ *	void check_bugs(void);
+ *
+ * Based on <asm-alpha/bugs.h>.
+ *
+ * Modified 1998, 1999, 2003
+ *	David Mosberger-Tang <davidm@hpl.hp.com>,  Hewlett-Packard Co.
+ */
+#ifndef _ASM_IA64_BUGS_H
+#define _ASM_IA64_BUGS_H
+
+#include <asm/processor.h>
+
+extern void check_bugs (void);
+
+#endif /* _ASM_IA64_BUGS_H */

arch/ia64/include/asm/cache.h

@@ -0,0 +1,29 @@
+#ifndef _ASM_IA64_CACHE_H
+#define _ASM_IA64_CACHE_H
+
+
+/*
+ * Copyright (C) 1998-2000 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+/* Bytes per L1 (data) cache line.  */
+#define L1_CACHE_SHIFT		CONFIG_IA64_L1_CACHE_SHIFT
+#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
+
+#ifdef CONFIG_SMP
+# define SMP_CACHE_SHIFT	L1_CACHE_SHIFT
+# define SMP_CACHE_BYTES	L1_CACHE_BYTES
+#else
+  /*
+   * The "aligned" directive can only _increase_ alignment, so this is
+   * safe and provides an easy way to avoid wasting space on a
+   * uni-processor:
+   */
+# define SMP_CACHE_SHIFT	3
+# define SMP_CACHE_BYTES	(1 << 3)
+#endif
+
+#define __read_mostly __attribute__((__section__(".data..read_mostly")))
+
+#endif /* _ASM_IA64_CACHE_H */

arch/ia64/include/asm/cacheflush.h

@@ -0,0 +1,54 @@
+#ifndef _ASM_IA64_CACHEFLUSH_H
+#define _ASM_IA64_CACHEFLUSH_H
+
+/*
+ * Copyright (C) 2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/page-flags.h>
+#include <linux/bitops.h>
+
+#include <asm/page.h>
+
+/*
+ * Cache flushing routines.  This is the kind of stuff that can be very expensive, so try
+ * to avoid them whenever possible.
+ */
+
+#define flush_cache_all()			do { } while (0)
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_dup_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
+#define flush_icache_page(vma,page)		do { } while (0)
+#define flush_cache_vmap(start, end)		do { } while (0)
+#define flush_cache_vunmap(start, end)		do { } while (0)
+
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
+#define flush_dcache_page(page)			\
+do {						\
+	clear_bit(PG_arch_1, &(page)->flags);	\
+} while (0)
+
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+
+extern void flush_icache_range (unsigned long start, unsigned long end);
+extern void clflush_cache_range(void *addr, int size);
+
+
+#define flush_icache_user_range(vma, page, user_addr, len)					\
+do {												\
+	unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK);	\
+	flush_icache_range(_addr, _addr + (len));						\
+} while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+do { memcpy(dst, src, len); \
+     flush_icache_user_range(vma, page, vaddr, len); \
+} while (0)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+#endif /* _ASM_IA64_CACHEFLUSH_H */

arch/ia64/include/asm/checksum.h

@@ -0,0 +1,79 @@
+#ifndef _ASM_IA64_CHECKSUM_H
+#define _ASM_IA64_CHECKSUM_H
+
+/*
+ * Modified 1998, 1999
+ *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
+ */
+
+/*
+ * This is a version of ip_compute_csum() optimized for IP headers,
+ * which always checksum on 4 octet boundaries.
+ */
+extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
+
+/*
+ * Computes the checksum of the TCP/UDP pseudo-header returns a 16-bit
+ * checksum, already complemented
+ */
+extern __sum16 csum_tcpudp_magic (__be32 saddr, __be32 daddr,
+					     unsigned short len,
+					     unsigned short proto,
+					     __wsum sum);
+
+extern __wsum csum_tcpudp_nofold (__be32 saddr, __be32 daddr,
+					unsigned short len,
+					unsigned short proto,
+					__wsum sum);
+
+/*
+ * Computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+extern __wsum csum_partial(const void *buff, int len, __wsum sum);
+
+/*
+ * Same as csum_partial, but copies from src while it checksums.
+ *
+ * Here it is even more important to align src and dst on a 32-bit (or
+ * even better 64-bit) boundary.
+ */
+extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+						 int len, __wsum sum,
+						 int *errp);
+
+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
+					       int len, __wsum sum);
+
+/*
+ * This routine is used for miscellaneous IP-like checksums, mainly in
+ * icmp.c
+ */
+extern __sum16 ip_compute_csum(const void *buff, int len);
+
+/*
+ * Fold a partial checksum without adding pseudo headers.
+ */
+static inline __sum16 csum_fold(__wsum csum)
+{
+	u32 sum = (__force u32)csum;
+	sum = (sum & 0xffff) + (sum >> 16);
+	sum = (sum & 0xffff) + (sum >> 16);
+	return (__force __sum16)~sum;
+}
+
+#define _HAVE_ARCH_IPV6_CSUM	1
+struct in6_addr;
+extern __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+	const struct in6_addr *daddr, __u32 len, unsigned short proto,
+	__wsum csum);
+
+#endif /* _ASM_IA64_CHECKSUM_H */

arch/ia64/include/asm/clocksource.h

@@ -0,0 +1,10 @@
+/* IA64-specific clocksource additions */
+
+#ifndef _ASM_IA64_CLOCKSOURCE_H
+#define _ASM_IA64_CLOCKSOURCE_H
+
+struct arch_clocksource_data {
+	void *fsys_mmio;        /* used by fsyscall asm code */
+};
+
+#endif /* _ASM_IA64_CLOCKSOURCE_H */

arch/ia64/include/asm/cpu.h

@@ -0,0 +1,22 @@
+#ifndef _ASM_IA64_CPU_H_
+#define _ASM_IA64_CPU_H_
+
+#include <linux/device.h>
+#include <linux/cpu.h>
+#include <linux/topology.h>
+#include <linux/percpu.h>
+
+struct ia64_cpu {
+	struct cpu cpu;
+};
+
+DECLARE_PER_CPU(struct ia64_cpu, cpu_devices);
+
+DECLARE_PER_CPU(int, cpu_state);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int arch_register_cpu(int num);
+extern void arch_unregister_cpu(int);
+#endif
+
+#endif /* _ASM_IA64_CPU_H_ */

arch/ia64/include/asm/cputime.h

@@ -0,0 +1,29 @@
+/*
+ * Definitions for measuring cputime on ia64 machines.
+ *
+ * Based on <asm-powerpc/cputime.h>.
+ *
+ * Copyright (C) 2007 FUJITSU LIMITED
+ * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * If we have CONFIG_VIRT_CPU_ACCOUNTING_NATIVE, we measure cpu time in nsec.
+ * Otherwise we measure cpu time in jiffies using the generic definitions.
+ */
+
+#ifndef __IA64_CPUTIME_H
+#define __IA64_CPUTIME_H
+
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+# include <asm-generic/cputime.h>
+#else
+# include <asm/processor.h>
+# include <asm-generic/cputime_nsecs.h>
+extern void arch_vtime_task_switch(struct task_struct *tsk);
+#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
+
+#endif /* __IA64_CPUTIME_H */

arch/ia64/include/asm/current.h

@@ -0,0 +1,17 @@
+#ifndef _ASM_IA64_CURRENT_H
+#define _ASM_IA64_CURRENT_H
+
+/*
+ * Modified 1998-2000
+ *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
+ */
+
+#include <asm/intrinsics.h>
+
+/*
+ * In kernel mode, thread pointer (r13) is used to point to the current task
+ * structure.
+ */
+#define current	((struct task_struct *) ia64_getreg(_IA64_REG_TP))
+
+#endif /* _ASM_IA64_CURRENT_H */

arch/ia64/include/asm/cyclone.h

@@ -0,0 +1,15 @@
+#ifndef ASM_IA64_CYCLONE_H
+#define ASM_IA64_CYCLONE_H
+
+#ifdef	CONFIG_IA64_CYCLONE
+extern int use_cyclone;
+extern void __init cyclone_setup(void);
+#else	/* CONFIG_IA64_CYCLONE */
+#define use_cyclone 0
+static inline void cyclone_setup(void)
+{
+	printk(KERN_ERR "Cyclone Counter: System not configured"
+					" w/ CONFIG_IA64_CYCLONE.\n");
+}
+#endif	/* CONFIG_IA64_CYCLONE */
+#endif	/* !ASM_IA64_CYCLONE_H */

arch/ia64/include/asm/delay.h

@@ -0,0 +1,88 @@
+#ifndef _ASM_IA64_DELAY_H
+#define _ASM_IA64_DELAY_H
+
+/*
+ * Delay routines using a pre-computed "cycles/usec" value.
+ *
+ * Copyright (C) 1998, 1999 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/compiler.h>
+
+#include <asm/intrinsics.h>
+#include <asm/processor.h>
+
+static __inline__ void
+ia64_set_itm (unsigned long val)
+{
+	ia64_setreg(_IA64_REG_CR_ITM, val);
+	ia64_srlz_d();
+}
+
+static __inline__ unsigned long
+ia64_get_itm (void)
+{
+	unsigned long result;
+
+	result = ia64_getreg(_IA64_REG_CR_ITM);
+	ia64_srlz_d();
+	return result;
+}
+
+static __inline__ void
+ia64_set_itv (unsigned long val)
+{
+	ia64_setreg(_IA64_REG_CR_ITV, val);
+	ia64_srlz_d();
+}
+
+static __inline__ unsigned long
+ia64_get_itv (void)
+{
+	return ia64_getreg(_IA64_REG_CR_ITV);
+}
+
+static __inline__ void
+ia64_set_itc (unsigned long val)
+{
+	ia64_setreg(_IA64_REG_AR_ITC, val);
+	ia64_srlz_d();
+}
+
+static __inline__ unsigned long
+ia64_get_itc (void)
+{
+	unsigned long result;
+
+	result = ia64_getreg(_IA64_REG_AR_ITC);
+	ia64_barrier();
+#ifdef CONFIG_ITANIUM
+	while (unlikely((__s32) result == -1)) {
+		result = ia64_getreg(_IA64_REG_AR_ITC);
+		ia64_barrier();
+	}
+#endif
+	return result;
+}
+
+extern void ia64_delay_loop (unsigned long loops);
+
+static __inline__ void
+__delay (unsigned long loops)
+{
+	if (unlikely(loops < 1))
+		return;
+
+	ia64_delay_loop (loops - 1);
+}
+
+extern void udelay (unsigned long usecs);
+
+#endif /* _ASM_IA64_DELAY_H */

arch/ia64/include/asm/device.h

@@ -0,0 +1,18 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_IA64_DEVICE_H
+#define _ASM_IA64_DEVICE_H
+
+struct dev_archdata {
+#ifdef CONFIG_INTEL_IOMMU
+	void *iommu; /* hook for IOMMU specific extension */
+#endif
+};
+
+struct pdev_archdata {
+};
+
+#endif /* _ASM_IA64_DEVICE_H */

arch/ia64/include/asm/div64.h

@@ -0,0 +1 @@
+#include <asm-generic/div64.h>

arch/ia64/include/asm/dma-mapping.h

@@ -0,0 +1,109 @@
+#ifndef _ASM_IA64_DMA_MAPPING_H
+#define _ASM_IA64_DMA_MAPPING_H
+
+/*
+ * Copyright (C) 2003-2004 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#include <asm/machvec.h>
+#include <linux/scatterlist.h>
+#include <asm/swiotlb.h>
+#include <linux/dma-debug.h>
+
+#define ARCH_HAS_DMA_GET_REQUIRED_MASK
+
+#define DMA_ERROR_CODE 0
+
+extern struct dma_map_ops *dma_ops;
+extern struct ia64_machine_vector ia64_mv;
+extern void set_iommu_machvec(void);
+
+extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t,
+				    enum dma_data_direction);
+extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int,
+				enum dma_data_direction);
+
+#define dma_alloc_coherent(d,s,h,f)	dma_alloc_attrs(d,s,h,f,NULL)
+
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+				    dma_addr_t *daddr, gfp_t gfp,
+				    struct dma_attrs *attrs)
+{
+	struct dma_map_ops *ops = platform_dma_get_ops(dev);
+	void *caddr;
+
+	caddr = ops->alloc(dev, size, daddr, gfp, attrs);
+	debug_dma_alloc_coherent(dev, size, *daddr, caddr);
+	return caddr;
+}
+
+#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+				  void *caddr, dma_addr_t daddr,
+				  struct dma_attrs *attrs)
+{
+	struct dma_map_ops *ops = platform_dma_get_ops(dev);
+	debug_dma_free_coherent(dev, size, caddr, daddr);
+	ops->free(dev, size, caddr, daddr, attrs);
+}
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+
+#define get_dma_ops(dev) platform_dma_get_ops(dev)
+
+#include <asm-generic/dma-mapping-common.h>
+
+static inline int dma_mapping_error(struct device *dev, dma_addr_t daddr)
+{
+	struct dma_map_ops *ops = platform_dma_get_ops(dev);
+	debug_dma_mapping_error(dev, daddr);
+	return ops->mapping_error(dev, daddr);
+}
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+	struct dma_map_ops *ops = platform_dma_get_ops(dev);
+	return ops->dma_supported(dev, mask);
+}
+
+static inline int
+dma_set_mask (struct device *dev, u64 mask)
+{
+	if (!dev->dma_mask || !dma_supported(dev, mask))
+		return -EIO;
+	*dev->dma_mask = mask;
+	return 0;
+}
+
+static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
+{
+	if (!dev->dma_mask)
+		return 0;
+
+	return addr + size - 1 <= *dev->dma_mask;
+}
+
+static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+	return paddr;
+}
+
+static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
+{
+	return daddr;
+}
+
+static inline void
+dma_cache_sync (struct device *dev, void *vaddr, size_t size,
+	enum dma_data_direction dir)
+{
+	/*
+	 * IA-64 is cache-coherent, so this is mostly a no-op.  However, we do need to
+	 * ensure that dma_cache_sync() enforces order, hence the mb().
+	 */
+	mb();
+}
+
+#endif /* _ASM_IA64_DMA_MAPPING_H */

arch/ia64/include/asm/dma.h

@@ -0,0 +1,24 @@
+#ifndef _ASM_IA64_DMA_H
+#define _ASM_IA64_DMA_H
+
+/*
+ * Copyright (C) 1998-2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+
+#include <asm/io.h>		/* need byte IO */
+
+extern unsigned long MAX_DMA_ADDRESS;
+
+#ifdef CONFIG_PCI
+  extern int isa_dma_bridge_buggy;
+#else
+# define isa_dma_bridge_buggy 	(0)
+#endif
+
+#define free_dma(x)
+
+void dma_mark_clean(void *addr, size_t size);
+
+#endif /* _ASM_IA64_DMA_H */

arch/ia64/include/asm/dmi.h

@@ -0,0 +1,14 @@
+#ifndef _ASM_DMI_H
+#define _ASM_DMI_H 1
+
+#include <linux/slab.h>
+#include <asm/io.h>
+
+/* Use normal IO mappings for DMI */
+#define dmi_early_remap		ioremap
+#define dmi_early_unmap(x, l)	iounmap(x)
+#define dmi_remap		ioremap
+#define dmi_unmap		iounmap
+#define dmi_alloc(l)		kzalloc(l, GFP_ATOMIC)
+
+#endif

arch/ia64/include/asm/elf.h

@@ -0,0 +1,234 @@
+#ifndef _ASM_IA64_ELF_H
+#define _ASM_IA64_ELF_H
+
+/*
+ * ELF-specific definitions.
+ *
+ * Copyright (C) 1998-1999, 2002-2004 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+
+#include <asm/fpu.h>
+#include <asm/page.h>
+#include <asm/auxvec.h>
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_IA_64)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS64
+#define ELF_DATA	ELFDATA2LSB
+#define ELF_ARCH	EM_IA_64
+
+#define CORE_DUMP_USE_REGSET
+
+/* Least-significant four bits of ELF header's e_flags are OS-specific.  The bits are
+   interpreted as follows by Linux: */
+#define EF_IA_64_LINUX_EXECUTABLE_STACK	0x1	/* is stack (& heap) executable by default? */
+
+#define ELF_EXEC_PAGESIZE	PAGE_SIZE
+
+/*
+ * This is the location that an ET_DYN program is loaded if exec'ed.
+ * Typical use of this is to invoke "./ld.so someprog" to test out a
+ * new version of the loader.  We need to make sure that it is out of
+ * the way of the program that it will "exec", and that there is
+ * sufficient room for the brk.
+ */
+#define ELF_ET_DYN_BASE		(TASK_UNMAPPED_BASE + 0x800000000UL)
+
+#define PT_IA_64_UNWIND		0x70000001
+
+/* IA-64 relocations: */
+#define R_IA64_NONE		0x00	/* none */
+#define R_IA64_IMM14		0x21	/* symbol + addend, add imm14 */
+#define R_IA64_IMM22		0x22	/* symbol + addend, add imm22 */
+#define R_IA64_IMM64		0x23	/* symbol + addend, mov imm64 */
+#define R_IA64_DIR32MSB		0x24	/* symbol + addend, data4 MSB */
+#define R_IA64_DIR32LSB		0x25	/* symbol + addend, data4 LSB */
+#define R_IA64_DIR64MSB		0x26	/* symbol + addend, data8 MSB */
+#define R_IA64_DIR64LSB		0x27	/* symbol + addend, data8 LSB */
+#define R_IA64_GPREL22		0x2a	/* @gprel(sym+add), add imm22 */
+#define R_IA64_GPREL64I		0x2b	/* @gprel(sym+add), mov imm64 */
+#define R_IA64_GPREL32MSB	0x2c	/* @gprel(sym+add), data4 MSB */
+#define R_IA64_GPREL32LSB	0x2d	/* @gprel(sym+add), data4 LSB */
+#define R_IA64_GPREL64MSB	0x2e	/* @gprel(sym+add), data8 MSB */
+#define R_IA64_GPREL64LSB	0x2f	/* @gprel(sym+add), data8 LSB */
+#define R_IA64_LTOFF22		0x32	/* @ltoff(sym+add), add imm22 */
+#define R_IA64_LTOFF64I		0x33	/* @ltoff(sym+add), mov imm64 */
+#define R_IA64_PLTOFF22		0x3a	/* @pltoff(sym+add), add imm22 */
+#define R_IA64_PLTOFF64I	0x3b	/* @pltoff(sym+add), mov imm64 */
+#define R_IA64_PLTOFF64MSB	0x3e	/* @pltoff(sym+add), data8 MSB */
+#define R_IA64_PLTOFF64LSB	0x3f	/* @pltoff(sym+add), data8 LSB */
+#define R_IA64_FPTR64I		0x43	/* @fptr(sym+add), mov imm64 */
+#define R_IA64_FPTR32MSB	0x44	/* @fptr(sym+add), data4 MSB */
+#define R_IA64_FPTR32LSB	0x45	/* @fptr(sym+add), data4 LSB */
+#define R_IA64_FPTR64MSB	0x46	/* @fptr(sym+add), data8 MSB */
+#define R_IA64_FPTR64LSB	0x47	/* @fptr(sym+add), data8 LSB */
+#define R_IA64_PCREL60B		0x48	/* @pcrel(sym+add), brl */
+#define R_IA64_PCREL21B		0x49	/* @pcrel(sym+add), ptb, call */
+#define R_IA64_PCREL21M		0x4a	/* @pcrel(sym+add), chk.s */
+#define R_IA64_PCREL21F		0x4b	/* @pcrel(sym+add), fchkf */
+#define R_IA64_PCREL32MSB	0x4c	/* @pcrel(sym+add), data4 MSB */
+#define R_IA64_PCREL32LSB	0x4d	/* @pcrel(sym+add), data4 LSB */
+#define R_IA64_PCREL64MSB	0x4e	/* @pcrel(sym+add), data8 MSB */
+#define R_IA64_PCREL64LSB	0x4f	/* @pcrel(sym+add), data8 LSB */
+#define R_IA64_LTOFF_FPTR22	0x52	/* @ltoff(@fptr(s+a)), imm22 */
+#define R_IA64_LTOFF_FPTR64I	0x53	/* @ltoff(@fptr(s+a)), imm64 */
+#define R_IA64_LTOFF_FPTR32MSB	0x54	/* @ltoff(@fptr(s+a)), 4 MSB */
+#define R_IA64_LTOFF_FPTR32LSB	0x55	/* @ltoff(@fptr(s+a)), 4 LSB */
+#define R_IA64_LTOFF_FPTR64MSB	0x56	/* @ltoff(@fptr(s+a)), 8 MSB */
+#define R_IA64_LTOFF_FPTR64LSB	0x57	/* @ltoff(@fptr(s+a)), 8 LSB */
+#define R_IA64_SEGREL32MSB	0x5c	/* @segrel(sym+add), data4 MSB */
+#define R_IA64_SEGREL32LSB	0x5d	/* @segrel(sym+add), data4 LSB */
+#define R_IA64_SEGREL64MSB	0x5e	/* @segrel(sym+add), data8 MSB */
+#define R_IA64_SEGREL64LSB	0x5f	/* @segrel(sym+add), data8 LSB */
+#define R_IA64_SECREL32MSB	0x64	/* @secrel(sym+add), data4 MSB */
+#define R_IA64_SECREL32LSB	0x65	/* @secrel(sym+add), data4 LSB */
+#define R_IA64_SECREL64MSB	0x66	/* @secrel(sym+add), data8 MSB */
+#define R_IA64_SECREL64LSB	0x67	/* @secrel(sym+add), data8 LSB */
+#define R_IA64_REL32MSB		0x6c	/* data 4 + REL */
+#define R_IA64_REL32LSB		0x6d	/* data 4 + REL */
+#define R_IA64_REL64MSB		0x6e	/* data 8 + REL */
+#define R_IA64_REL64LSB		0x6f	/* data 8 + REL */
+#define R_IA64_LTV32MSB		0x74	/* symbol + addend, data4 MSB */
+#define R_IA64_LTV32LSB		0x75	/* symbol + addend, data4 LSB */
+#define R_IA64_LTV64MSB		0x76	/* symbol + addend, data8 MSB */
+#define R_IA64_LTV64LSB		0x77	/* symbol + addend, data8 LSB */
+#define R_IA64_PCREL21BI	0x79	/* @pcrel(sym+add), ptb, call */
+#define R_IA64_PCREL22		0x7a	/* @pcrel(sym+add), imm22 */
+#define R_IA64_PCREL64I		0x7b	/* @pcrel(sym+add), imm64 */
+#define R_IA64_IPLTMSB		0x80	/* dynamic reloc, imported PLT, MSB */
+#define R_IA64_IPLTLSB		0x81	/* dynamic reloc, imported PLT, LSB */
+#define R_IA64_COPY		0x84	/* dynamic reloc, data copy */
+#define R_IA64_SUB		0x85	/* -symbol + addend, add imm22 */
+#define R_IA64_LTOFF22X		0x86	/* LTOFF22, relaxable.  */
+#define R_IA64_LDXMOV		0x87	/* Use of LTOFF22X.  */
+#define R_IA64_TPREL14		0x91	/* @tprel(sym+add), add imm14 */
+#define R_IA64_TPREL22		0x92	/* @tprel(sym+add), add imm22 */
+#define R_IA64_TPREL64I		0x93	/* @tprel(sym+add), add imm64 */
+#define R_IA64_TPREL64MSB	0x96	/* @tprel(sym+add), data8 MSB */
+#define R_IA64_TPREL64LSB	0x97	/* @tprel(sym+add), data8 LSB */
+#define R_IA64_LTOFF_TPREL22	0x9a	/* @ltoff(@tprel(s+a)), add imm22 */
+#define R_IA64_DTPMOD64MSB	0xa6	/* @dtpmod(sym+add), data8 MSB */
+#define R_IA64_DTPMOD64LSB	0xa7	/* @dtpmod(sym+add), data8 LSB */
+#define R_IA64_LTOFF_DTPMOD22	0xaa	/* @ltoff(@dtpmod(s+a)), imm22 */
+#define R_IA64_DTPREL14		0xb1	/* @dtprel(sym+add), imm14 */
+#define R_IA64_DTPREL22		0xb2	/* @dtprel(sym+add), imm22 */
+#define R_IA64_DTPREL64I	0xb3	/* @dtprel(sym+add), imm64 */
+#define R_IA64_DTPREL32MSB	0xb4	/* @dtprel(sym+add), data4 MSB */
+#define R_IA64_DTPREL32LSB	0xb5	/* @dtprel(sym+add), data4 LSB */
+#define R_IA64_DTPREL64MSB	0xb6	/* @dtprel(sym+add), data8 MSB */
+#define R_IA64_DTPREL64LSB	0xb7	/* @dtprel(sym+add), data8 LSB */
+#define R_IA64_LTOFF_DTPREL22	0xba	/* @ltoff(@dtprel(s+a)), imm22 */
+
+/* IA-64 specific section flags: */
+#define SHF_IA_64_SHORT		0x10000000	/* section near gp */
+
+/*
+ * We use (abuse?) this macro to insert the (empty) vm_area that is
+ * used to map the register backing store.  I don't see any better
+ * place to do this, but we should discuss this with Linus once we can
+ * talk to him...
+ */
+extern void ia64_init_addr_space (void);
+#define ELF_PLAT_INIT(_r, load_addr)	ia64_init_addr_space()
+
+/* ELF register definitions.  This is needed for core dump support.  */
+
+/*
+ * elf_gregset_t contains the application-level state in the following order:
+ *	r0-r31
+ *	NaT bits (for r0-r31; bit N == 1 iff rN is a NaT)
+ *	predicate registers (p0-p63)
+ *	b0-b7
+ *	ip cfm psr
+ *	ar.rsc ar.bsp ar.bspstore ar.rnat
+ *	ar.ccv ar.unat ar.fpsr ar.pfs ar.lc ar.ec ar.csd ar.ssd
+ */
+#define ELF_NGREG	128	/* we really need just 72 but let's leave some headroom... */
+#define ELF_NFPREG	128	/* f0 and f1 could be omitted, but so what... */
+
+/* elf_gregset_t register offsets */
+#define ELF_GR_0_OFFSET     0
+#define ELF_NAT_OFFSET     (32 * sizeof(elf_greg_t))
+#define ELF_PR_OFFSET      (33 * sizeof(elf_greg_t))
+#define ELF_BR_0_OFFSET    (34 * sizeof(elf_greg_t))
+#define ELF_CR_IIP_OFFSET  (42 * sizeof(elf_greg_t))
+#define ELF_CFM_OFFSET     (43 * sizeof(elf_greg_t))
+#define ELF_CR_IPSR_OFFSET (44 * sizeof(elf_greg_t))
+#define ELF_GR_OFFSET(i)   (ELF_GR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_BR_OFFSET(i)   (ELF_BR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_AR_RSC_OFFSET  (45 * sizeof(elf_greg_t))
+#define ELF_AR_BSP_OFFSET  (46 * sizeof(elf_greg_t))
+#define ELF_AR_BSPSTORE_OFFSET (47 * sizeof(elf_greg_t))
+#define ELF_AR_RNAT_OFFSET (48 * sizeof(elf_greg_t))
+#define ELF_AR_CCV_OFFSET  (49 * sizeof(elf_greg_t))
+#define ELF_AR_UNAT_OFFSET (50 * sizeof(elf_greg_t))
+#define ELF_AR_FPSR_OFFSET (51 * sizeof(elf_greg_t))
+#define ELF_AR_PFS_OFFSET  (52 * sizeof(elf_greg_t))
+#define ELF_AR_LC_OFFSET   (53 * sizeof(elf_greg_t))
+#define ELF_AR_EC_OFFSET   (54 * sizeof(elf_greg_t))
+#define ELF_AR_CSD_OFFSET  (55 * sizeof(elf_greg_t))
+#define ELF_AR_SSD_OFFSET  (56 * sizeof(elf_greg_t))
+#define ELF_AR_END_OFFSET  (57 * sizeof(elf_greg_t))
+
+typedef unsigned long elf_fpxregset_t;
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct ia64_fpreg elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+
+
+struct pt_regs;	/* forward declaration... */
+extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
+#define ELF_CORE_COPY_REGS(_dest,_regs)	ia64_elf_core_copy_regs(_regs, _dest);
+
+/* This macro yields a bitmask that programs can use to figure out
+   what instruction set this CPU supports.  */
+#define ELF_HWCAP 	0
+
+/* This macro yields a string that ld.so will use to load
+   implementation specific libraries for optimization.  Not terribly
+   relevant until we have real hardware to play with... */
+#define ELF_PLATFORM	NULL
+
+#define elf_read_implies_exec(ex, executable_stack)					\
+	((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)
+
+struct task_struct;
+
+#define GATE_EHDR	((const struct elfhdr *) GATE_ADDR)
+
+/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
+#define ARCH_DLINFO								\
+do {										\
+	extern char __kernel_syscall_via_epc[];					\
+	NEW_AUX_ENT(AT_SYSINFO, (unsigned long) __kernel_syscall_via_epc);	\
+	NEW_AUX_ENT(AT_SYSINFO_EHDR, (unsigned long) GATE_EHDR);		\
+} while (0)
+
+/*
+ * format for entries in the Global Offset Table
+ */
+struct got_entry {
+	uint64_t val;
+};
+
+/*
+ * Layout of the Function Descriptor
+ */
+struct fdesc {
+	uint64_t ip;
+	uint64_t gp;
+};
+
+#endif /* _ASM_IA64_ELF_H */

arch/ia64/include/asm/emergency-restart.h

@@ -0,0 +1,6 @@
+#ifndef _ASM_EMERGENCY_RESTART_H
+#define _ASM_EMERGENCY_RESTART_H
+
+#include <asm-generic/emergency-restart.h>
+
+#endif /* _ASM_EMERGENCY_RESTART_H */

arch/ia64/include/asm/esi.h

@@ -0,0 +1,29 @@
+/*
+ * ESI service calls.
+ *
+ * Copyright (c) Copyright 2005-2006 Hewlett-Packard Development Company, L.P.
+ * 	Alex Williamson <alex.williamson@hp.com>
+ */
+#ifndef esi_h
+#define esi_h
+
+#include <linux/efi.h>
+
+#define ESI_QUERY			0x00000001
+#define ESI_OPEN_HANDLE			0x02000000
+#define ESI_CLOSE_HANDLE		0x02000001
+
+enum esi_proc_type {
+	ESI_PROC_SERIALIZED,	/* calls need to be serialized */
+	ESI_PROC_MP_SAFE,	/* MP-safe, but not reentrant */
+	ESI_PROC_REENTRANT	/* MP-safe and reentrant */
+};
+
+extern struct ia64_sal_retval esi_call_phys (void *, u64 *);
+extern int ia64_esi_call(efi_guid_t, struct ia64_sal_retval *,
+			 enum esi_proc_type,
+			 u64, u64, u64, u64, u64, u64, u64, u64);
+extern int ia64_esi_call_phys(efi_guid_t, struct ia64_sal_retval *, u64, u64,
+                              u64, u64, u64, u64, u64, u64);
+
+#endif /* esi_h */

arch/ia64/include/asm/fb.h

@@ -0,0 +1,23 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fb.h>
+#include <linux/fs.h>
+#include <linux/efi.h>
+#include <asm/page.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+				unsigned long off)
+{
+	if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
+		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	else
+		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+	return 0;
+}
+
+#endif /* _ASM_FB_H_ */

arch/ia64/include/asm/fpswa.h

@@ -0,0 +1,73 @@
+#ifndef _ASM_IA64_FPSWA_H
+#define _ASM_IA64_FPSWA_H
+
+/*
+ * Floating-point Software Assist
+ *
+ * Copyright (C) 1999 Intel Corporation.
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Goutham Rao <goutham.rao@intel.com>
+ */
+
+typedef struct {
+	/* 4 * 128 bits */
+	unsigned long fp_lp[4*2];
+} fp_state_low_preserved_t;
+
+typedef struct {
+	/* 10 * 128 bits */
+	unsigned long fp_lv[10 * 2];
+} fp_state_low_volatile_t;
+
+typedef	struct {
+	/* 16 * 128 bits */
+	unsigned long fp_hp[16 * 2];
+} fp_state_high_preserved_t;
+
+typedef struct {
+	/* 96 * 128 bits */
+	unsigned long fp_hv[96 * 2];
+} fp_state_high_volatile_t;
+
+/**
+ * floating point state to be passed to the FP emulation library by
+ * the trap/fault handler
+ */
+typedef struct {
+	unsigned long			bitmask_low64;
+	unsigned long			bitmask_high64;
+	fp_state_low_preserved_t	*fp_state_low_preserved;
+	fp_state_low_volatile_t		*fp_state_low_volatile;
+	fp_state_high_preserved_t	*fp_state_high_preserved;
+	fp_state_high_volatile_t	*fp_state_high_volatile;
+} fp_state_t;
+
+typedef struct {
+	unsigned long status;
+	unsigned long err0;
+	unsigned long err1;
+	unsigned long err2;
+} fpswa_ret_t;
+
+/**
+ * function header for the Floating Point software assist
+ * library. This function is invoked by the Floating point software
+ * assist trap/fault handler.
+ */
+typedef fpswa_ret_t (*efi_fpswa_t) (unsigned long trap_type, void *bundle, unsigned long *ipsr,
+				    unsigned long *fsr, unsigned long *isr, unsigned long *preds,
+				    unsigned long *ifs, fp_state_t *fp_state);
+
+/**
+ * This is the FPSWA library interface as defined by EFI.  We need to pass a 
+ * pointer to the interface itself on a call to the assist library
+ */
+typedef struct {
+	unsigned int	 revision;
+	unsigned int	 reserved;
+	efi_fpswa_t	 fpswa;
+} fpswa_interface_t;
+
+extern fpswa_interface_t *fpswa_interface;
+
+#endif /* _ASM_IA64_FPSWA_H */

arch/ia64/include/asm/ftrace.h

@@ -0,0 +1,27 @@
+#ifndef _ASM_IA64_FTRACE_H
+#define _ASM_IA64_FTRACE_H
+
+#ifdef CONFIG_FUNCTION_TRACER
+#define MCOUNT_INSN_SIZE        32 /* sizeof mcount call */
+
+#ifndef __ASSEMBLY__
+extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
+#define mcount _mcount
+
+/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
+#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
+#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+	/* second bundle, insn 2 */
+	return addr - 0x12;
+}
+
+struct dyn_arch_ftrace {
+};
+#endif
+
+#endif /* CONFIG_FUNCTION_TRACER */
+
+#endif /* _ASM_IA64_FTRACE_H */

arch/ia64/include/asm/futex.h

@@ -0,0 +1,126 @@
+#ifndef _ASM_FUTEX_H
+#define _ASM_FUTEX_H
+
+#include <linux/futex.h>
+#include <linux/uaccess.h>
+#include <asm/errno.h>
+
+#define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
+do {									\
+	register unsigned long r8 __asm ("r8") = 0;			\
+	__asm__ __volatile__(						\
+		"	mf;;					\n"	\
+		"[1:] "	insn ";;				\n"	\
+		"	.xdata4 \"__ex_table\", 1b-., 2f-.	\n"	\
+		"[2:]"							\
+		: "+r" (r8), "=r" (oldval)				\
+		: "r" (uaddr), "r" (oparg)				\
+		: "memory");						\
+	ret = r8;							\
+} while (0)
+
+#define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
+do {									\
+	register unsigned long r8 __asm ("r8") = 0;			\
+	int val, newval;						\
+	do {								\
+		__asm__ __volatile__(					\
+			"	mf;;				  \n"	\
+			"[1:]	ld4 %3=[%4];;			  \n"	\
+			"	mov %2=%3			  \n"	\
+				insn	";;			  \n"	\
+			"	mov ar.ccv=%2;;			  \n"	\
+			"[2:]	cmpxchg4.acq %1=[%4],%3,ar.ccv;;  \n"	\
+			"	.xdata4 \"__ex_table\", 1b-., 3f-.\n"	\
+			"	.xdata4 \"__ex_table\", 2b-., 3f-.\n"	\
+			"[3:]"						\
+			: "+r" (r8), "=r" (val), "=&r" (oldval),	\
+			   "=&r" (newval)				\
+			: "r" (uaddr), "r" (oparg)			\
+			: "memory");					\
+		if (unlikely (r8))					\
+			break;						\
+	} while (unlikely (val != oldval));				\
+	ret = r8;							\
+} while (0)
+
+static inline int
+futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
+{
+	int op = (encoded_op >> 28) & 7;
+	int cmp = (encoded_op >> 24) & 15;
+	int oparg = (encoded_op << 8) >> 20;
+	int cmparg = (encoded_op << 20) >> 20;
+	int oldval = 0, ret;
+	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+		oparg = 1 << oparg;
+
+	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
+		return -EFAULT;
+
+	pagefault_disable();
+
+	switch (op) {
+	case FUTEX_OP_SET:
+		__futex_atomic_op1("xchg4 %1=[%2],%3", ret, oldval, uaddr,
+				   oparg);
+		break;
+	case FUTEX_OP_ADD:
+		__futex_atomic_op2("add %3=%3,%5", ret, oldval, uaddr, oparg);
+		break;
+	case FUTEX_OP_OR:
+		__futex_atomic_op2("or %3=%3,%5", ret, oldval, uaddr, oparg);
+		break;
+	case FUTEX_OP_ANDN:
+		__futex_atomic_op2("and %3=%3,%5", ret, oldval, uaddr,
+				   ~oparg);
+		break;
+	case FUTEX_OP_XOR:
+		__futex_atomic_op2("xor %3=%3,%5", ret, oldval, uaddr, oparg);
+		break;
+	default:
+		ret = -ENOSYS;
+	}
+
+	pagefault_enable();
+
+	if (!ret) {
+		switch (cmp) {
+		case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
+		case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
+		case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
+		case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
+		case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
+		case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
+		default: ret = -ENOSYS;
+		}
+	}
+	return ret;
+}
+
+static inline int
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+			      u32 oldval, u32 newval)
+{
+	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+		return -EFAULT;
+
+	{
+		register unsigned long r8 __asm ("r8") = 0;
+		unsigned long prev;
+		__asm__ __volatile__(
+			"	mf;;					\n"
+			"	mov ar.ccv=%4;;				\n"
+			"[1:]	cmpxchg4.acq %1=[%2],%3,ar.ccv		\n"
+			"	.xdata4 \"__ex_table\", 1b-., 2f-.	\n"
+			"[2:]"
+			: "+r" (r8), "=&r" (prev)
+			: "r" (uaddr), "r" (newval),
+			  "rO" ((long) (unsigned) oldval)
+			: "memory");
+		*uval = prev;
+		return r8;
+	}
+}
+
+#endif /* _ASM_FUTEX_H */

arch/ia64/include/asm/gcc_intrin.h

@@ -0,0 +1,12 @@
+/*
+ *
+ * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com>
+ * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com>
+ */
+#ifndef _ASM_IA64_GCC_INTRIN_H
+#define _ASM_IA64_GCC_INTRIN_H
+
+#include <uapi/asm/gcc_intrin.h>
+
+register unsigned long ia64_r13 asm ("r13") __used;
+#endif /* _ASM_IA64_GCC_INTRIN_H */

arch/ia64/include/asm/gpio.h

@@ -0,0 +1,4 @@
+#ifndef __LINUX_GPIO_H
+#warning Include linux/gpio.h instead of asm/gpio.h
+#include <linux/gpio.h>
+#endif

arch/ia64/include/asm/hardirq.h

@@ -0,0 +1,26 @@
+#ifndef _ASM_IA64_HARDIRQ_H
+#define _ASM_IA64_HARDIRQ_H
+
+/*
+ * Modified 1998-2002, 2004 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+/*
+ * No irq_cpustat_t for IA-64.  The data is held in the per-CPU data structure.
+ */
+
+#define __ARCH_IRQ_STAT	1
+
+#define local_softirq_pending()		(local_cpu_data->softirq_pending)
+
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+#include <asm/processor.h>
+
+extern void __iomem *ipi_base_addr;
+
+void ack_bad_irq(unsigned int irq);
+
+#endif /* _ASM_IA64_HARDIRQ_H */

arch/ia64/include/asm/hpsim.h

@@ -0,0 +1,16 @@
+#ifndef _ASMIA64_HPSIM_H
+#define _ASMIA64_HPSIM_H
+
+#ifndef CONFIG_HP_SIMSERIAL_CONSOLE
+static inline int simcons_register(void) { return 1; }
+#else
+int simcons_register(void);
+#endif
+
+struct tty_driver;
+extern struct tty_driver *hp_simserial_driver;
+
+extern int hpsim_get_irq(int intr);
+void ia64_ctl_trace(long on);
+
+#endif

arch/ia64/include/asm/hugetlb.h

@@ -0,0 +1,85 @@
+#ifndef _ASM_IA64_HUGETLB_H
+#define _ASM_IA64_HUGETLB_H
+
+#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
+
+
+void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
+			    unsigned long end, unsigned long floor,
+			    unsigned long ceiling);
+
+int prepare_hugepage_range(struct file *file,
+			unsigned long addr, unsigned long len);
+
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+					 unsigned long addr,
+					 unsigned long len)
+{
+	return (REGION_NUMBER(addr) == RGN_HPAGE ||
+		REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
+}
+
+static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
+{
+}
+
+static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+				   pte_t *ptep, pte_t pte)
+{
+	set_pte_at(mm, addr, ptep, pte);
+}
+
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+					    unsigned long addr, pte_t *ptep)
+{
+	return ptep_get_and_clear(mm, addr, ptep);
+}
+
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+					 unsigned long addr, pte_t *ptep)
+{
+}
+
+static inline int huge_pte_none(pte_t pte)
+{
+	return pte_none(pte);
+}
+
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+	return pte_wrprotect(pte);
+}
+
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+					   unsigned long addr, pte_t *ptep)
+{
+	ptep_set_wrprotect(mm, addr, ptep);
+}
+
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+					     unsigned long addr, pte_t *ptep,
+					     pte_t pte, int dirty)
+{
+	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+	return *ptep;
+}
+
+static inline int arch_prepare_hugepage(struct page *page)
+{
+	return 0;
+}
+
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+
+static inline void arch_clear_hugepage_flags(struct page *page)
+{
+}
+
+#endif /* _ASM_IA64_HUGETLB_H */

arch/ia64/include/asm/hw_irq.h

@@ -0,0 +1,194 @@
+#ifndef _ASM_IA64_HW_IRQ_H
+#define _ASM_IA64_HW_IRQ_H
+
+/*
+ * Copyright (C) 2001-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/profile.h>
+
+#include <asm/machvec.h>
+#include <asm/ptrace.h>
+#include <asm/smp.h>
+
+#ifndef CONFIG_PARAVIRT
+typedef u8 ia64_vector;
+#else
+typedef u16 ia64_vector;
+#endif
+
+/*
+ * 0 special
+ *
+ * 1,3-14 are reserved from firmware
+ *
+ * 16-255 (vectored external interrupts) are available
+ *
+ * 15 spurious interrupt (see IVR)
+ *
+ * 16 lowest priority, 255 highest priority
+ *
+ * 15 classes of 16 interrupts each.
+ */
+#define IA64_MIN_VECTORED_IRQ		 16
+#define IA64_MAX_VECTORED_IRQ		255
+#define IA64_NUM_VECTORS		256
+
+#define AUTO_ASSIGN			-1
+
+#define IA64_SPURIOUS_INT_VECTOR	0x0f
+
+/*
+ * Vectors 0x10-0x1f are used for low priority interrupts, e.g. CMCI.
+ */
+#define IA64_CPEP_VECTOR		0x1c	/* corrected platform error polling vector */
+#define IA64_CMCP_VECTOR		0x1d	/* corrected machine-check polling vector */
+#define IA64_CPE_VECTOR			0x1e	/* corrected platform error interrupt vector */
+#define IA64_CMC_VECTOR			0x1f	/* corrected machine-check interrupt vector */
+/*
+ * Vectors 0x20-0x2f are reserved for legacy ISA IRQs.
+ * Use vectors 0x30-0xe7 as the default device vector range for ia64.
+ * Platforms may choose to reduce this range in platform_irq_setup, but the
+ * platform range must fall within
+ *	[IA64_DEF_FIRST_DEVICE_VECTOR..IA64_DEF_LAST_DEVICE_VECTOR]
+ */
+extern int ia64_first_device_vector;
+extern int ia64_last_device_vector;
+
+#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_DIG))
+/* Reserve the lower priority vector than device vectors for "move IRQ" IPI */
+#define IA64_IRQ_MOVE_VECTOR		0x30	/* "move IRQ" IPI */
+#define IA64_DEF_FIRST_DEVICE_VECTOR	0x31
+#else
+#define IA64_DEF_FIRST_DEVICE_VECTOR	0x30
+#endif
+#define IA64_DEF_LAST_DEVICE_VECTOR	0xe7
+#define IA64_FIRST_DEVICE_VECTOR	ia64_first_device_vector
+#define IA64_LAST_DEVICE_VECTOR		ia64_last_device_vector
+#define IA64_MAX_DEVICE_VECTORS		(IA64_DEF_LAST_DEVICE_VECTOR - IA64_DEF_FIRST_DEVICE_VECTOR + 1)
+#define IA64_NUM_DEVICE_VECTORS		(IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1)
+
+#define IA64_MCA_RENDEZ_VECTOR		0xe8	/* MCA rendez interrupt */
+#define IA64_PERFMON_VECTOR		0xee	/* performance monitor interrupt vector */
+#define IA64_TIMER_VECTOR		0xef	/* use highest-prio group 15 interrupt for timer */
+#define	IA64_MCA_WAKEUP_VECTOR		0xf0	/* MCA wakeup (must be >MCA_RENDEZ_VECTOR) */
+#define IA64_IPI_LOCAL_TLB_FLUSH	0xfc	/* SMP flush local TLB */
+#define IA64_IPI_RESCHEDULE		0xfd	/* SMP reschedule */
+#define IA64_IPI_VECTOR			0xfe	/* inter-processor interrupt vector */
+
+/* Used for encoding redirected irqs */
+
+#define IA64_IRQ_REDIRECTED		(1 << 31)
+
+/* IA64 inter-cpu interrupt related definitions */
+
+#define IA64_IPI_DEFAULT_BASE_ADDR	0xfee00000
+
+/* Delivery modes for inter-cpu interrupts */
+enum {
+        IA64_IPI_DM_INT =       0x0,    /* pend an external interrupt */
+        IA64_IPI_DM_PMI =       0x2,    /* pend a PMI */
+        IA64_IPI_DM_NMI =       0x4,    /* pend an NMI (vector 2) */
+        IA64_IPI_DM_INIT =      0x5,    /* pend an INIT interrupt */
+        IA64_IPI_DM_EXTINT =    0x7,    /* pend an 8259-compatible interrupt. */
+};
+
+extern __u8 isa_irq_to_vector_map[16];
+#define isa_irq_to_vector(x)	isa_irq_to_vector_map[(x)]
+
+struct irq_cfg {
+	ia64_vector vector;
+	cpumask_t domain;
+	cpumask_t old_domain;
+	unsigned move_cleanup_count;
+	u8 move_in_progress : 1;
+};
+extern spinlock_t vector_lock;
+extern struct irq_cfg irq_cfg[NR_IRQS];
+#define irq_to_domain(x)	irq_cfg[(x)].domain
+DECLARE_PER_CPU(int[IA64_NUM_VECTORS], vector_irq);
+
+extern struct irq_chip irq_type_ia64_lsapic;	/* CPU-internal interrupt controller */
+
+#ifdef CONFIG_PARAVIRT_GUEST
+#include <asm/paravirt.h>
+#else
+#define ia64_register_ipi	ia64_native_register_ipi
+#define assign_irq_vector	ia64_native_assign_irq_vector
+#define free_irq_vector		ia64_native_free_irq_vector
+#define register_percpu_irq	ia64_native_register_percpu_irq
+#define ia64_resend_irq		ia64_native_resend_irq
+#endif
+
+extern void ia64_native_register_ipi(void);
+extern int bind_irq_vector(int irq, int vector, cpumask_t domain);
+extern int ia64_native_assign_irq_vector (int irq);	/* allocate a free vector */
+extern void ia64_native_free_irq_vector (int vector);
+extern int reserve_irq_vector (int vector);
+extern void __setup_vector_irq(int cpu);
+extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect);
+extern void ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action);
+extern void destroy_and_reserve_irq (unsigned int irq);
+
+#if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
+extern int irq_prepare_move(int irq, int cpu);
+extern void irq_complete_move(unsigned int irq);
+#else
+static inline int irq_prepare_move(int irq, int cpu) { return 0; }
+static inline void irq_complete_move(unsigned int irq) {}
+#endif
+
+static inline void ia64_native_resend_irq(unsigned int vector)
+{
+	platform_send_ipi(smp_processor_id(), vector, IA64_IPI_DM_INT, 0);
+}
+
+/*
+ * Default implementations for the irq-descriptor API:
+ */
+#ifndef CONFIG_IA64_GENERIC
+static inline ia64_vector __ia64_irq_to_vector(int irq)
+{
+	return irq_cfg[irq].vector;
+}
+
+static inline unsigned int
+__ia64_local_vector_to_irq (ia64_vector vec)
+{
+	return __this_cpu_read(vector_irq[vec]);
+}
+#endif
+
+/*
+ * Next follows the irq descriptor interface.  On IA-64, each CPU supports 256 interrupt
+ * vectors.  On smaller systems, there is a one-to-one correspondence between interrupt
+ * vectors and the Linux irq numbers.  However, larger systems may have multiple interrupt
+ * domains meaning that the translation from vector number to irq number depends on the
+ * interrupt domain that a CPU belongs to.  This API abstracts such platform-dependent
+ * differences and provides a uniform means to translate between vector and irq numbers
+ * and to obtain the irq descriptor for a given irq number.
+ */
+
+/* Extract the IA-64 vector that corresponds to IRQ.  */
+static inline ia64_vector
+irq_to_vector (int irq)
+{
+	return platform_irq_to_vector(irq);
+}
+
+/*
+ * Convert the local IA-64 vector to the corresponding irq number.  This translation is
+ * done in the context of the interrupt domain that the currently executing CPU belongs
+ * to.
+ */
+static inline unsigned int
+local_vector_to_irq (ia64_vector vec)
+{
+	return platform_local_vector_to_irq(vec);
+}
+
+#endif /* _ASM_IA64_HW_IRQ_H */

arch/ia64/include/asm/idle.h

@@ -0,0 +1,7 @@
+#ifndef _ASM_IA64_IDLE_H
+#define _ASM_IA64_IDLE_H
+
+static inline void enter_idle(void) { }
+static inline void exit_idle(void) { }
+
+#endif /* _ASM_IA64_IDLE_H */

arch/ia64/include/asm/intrinsics.h

@@ -0,0 +1,25 @@
+/*
+ * Compiler-dependent intrinsics.
+ *
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef _ASM_IA64_INTRINSICS_H
+#define _ASM_IA64_INTRINSICS_H
+
+#include <asm/paravirt_privop.h>
+#include <uapi/asm/intrinsics.h>
+
+#ifndef __ASSEMBLY__
+#if defined(CONFIG_PARAVIRT)
+# undef IA64_INTRINSIC_API
+# undef IA64_INTRINSIC_MACRO
+# ifdef ASM_SUPPORTED
+#  define IA64_INTRINSIC_API(name)	paravirt_ ## name
+# else
+#  define IA64_INTRINSIC_API(name)	pv_cpu_ops.name
+# endif
+#define IA64_INTRINSIC_MACRO(name)	paravirt_ ## name
+#endif
+#endif /* !__ASSEMBLY__ */
+#endif /* _ASM_IA64_INTRINSICS_H */

arch/ia64/include/asm/io.h

@@ -0,0 +1,445 @@
+#ifndef _ASM_IA64_IO_H
+#define _ASM_IA64_IO_H
+
+/*
+ * This file contains the definitions for the emulated IO instructions
+ * inb/inw/inl/outb/outw/outl and the "string versions" of the same
+ * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
+ * versions of the single-IO instructions (inb_p/inw_p/..).
+ *
+ * This file is not meant to be obfuscating: it's just complicated to
+ * (a) handle it all in a way that makes gcc able to optimize it as
+ * well as possible and (b) trying to avoid writing the same thing
+ * over and over again with slight variations and possibly making a
+ * mistake somewhere.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
+ */
+
+#include <asm/unaligned.h>
+
+/* We don't use IO slowdowns on the ia64, but.. */
+#define __SLOW_DOWN_IO	do { } while (0)
+#define SLOW_DOWN_IO	do { } while (0)
+
+#define __IA64_UNCACHED_OFFSET	RGN_BASE(RGN_UNCACHED)
+
+/*
+ * The legacy I/O space defined by the ia64 architecture supports only 65536 ports, but
+ * large machines may have multiple other I/O spaces so we can't place any a priori limit
+ * on IO_SPACE_LIMIT.  These additional spaces are described in ACPI.
+ */
+#define IO_SPACE_LIMIT		0xffffffffffffffffUL
+
+#define MAX_IO_SPACES_BITS		8
+#define MAX_IO_SPACES			(1UL << MAX_IO_SPACES_BITS)
+#define IO_SPACE_BITS			24
+#define IO_SPACE_SIZE			(1UL << IO_SPACE_BITS)
+
+#define IO_SPACE_NR(port)		((port) >> IO_SPACE_BITS)
+#define IO_SPACE_BASE(space)		((space) << IO_SPACE_BITS)
+#define IO_SPACE_PORT(port)		((port) & (IO_SPACE_SIZE - 1))
+
+#define IO_SPACE_SPARSE_ENCODING(p)	((((p) >> 2) << 12) | ((p) & 0xfff))
+
+struct io_space {
+	unsigned long mmio_base;	/* base in MMIO space */
+	int sparse;
+};
+
+extern struct io_space io_space[];
+extern unsigned int num_io_spaces;
+
+# ifdef __KERNEL__
+
+/*
+ * All MMIO iomem cookies are in region 6; anything less is a PIO cookie:
+ *	0xCxxxxxxxxxxxxxxx	MMIO cookie (return from ioremap)
+ *	0x000000001SPPPPPP	PIO cookie (S=space number, P..P=port)
+ *
+ * ioread/writeX() uses the leading 1 in PIO cookies (PIO_OFFSET) to catch
+ * code that uses bare port numbers without the prerequisite pci_iomap().
+ */
+#define PIO_OFFSET		(1UL << (MAX_IO_SPACES_BITS + IO_SPACE_BITS))
+#define PIO_MASK		(PIO_OFFSET - 1)
+#define PIO_RESERVED		__IA64_UNCACHED_OFFSET
+#define HAVE_ARCH_PIO_SIZE
+
+#include <asm/intrinsics.h>
+#include <asm/machvec.h>
+#include <asm/page.h>
+#include <asm-generic/iomap.h>
+
+/*
+ * Change virtual addresses to physical addresses and vv.
+ */
+static inline unsigned long
+virt_to_phys (volatile void *address)
+{
+	return (unsigned long) address - PAGE_OFFSET;
+}
+
+static inline void*
+phys_to_virt (unsigned long address)
+{
+	return (void *) (address + PAGE_OFFSET);
+}
+
+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
+extern u64 kern_mem_attribute (unsigned long phys_addr, unsigned long size);
+extern int valid_phys_addr_range (phys_addr_t addr, size_t count); /* efi.c */
+extern int valid_mmap_phys_addr_range (unsigned long pfn, size_t count);
+
+/*
+ * The following two macros are deprecated and scheduled for removal.
+ * Please use the PCI-DMA interface defined in <asm/pci.h> instead.
+ */
+#define bus_to_virt	phys_to_virt
+#define virt_to_bus	virt_to_phys
+#define page_to_bus	page_to_phys
+
+# endif /* KERNEL */
+
+/*
+ * Memory fence w/accept.  This should never be used in code that is
+ * not IA-64 specific.
+ */
+#define __ia64_mf_a()	ia64_mfa()
+
+/**
+ * ___ia64_mmiowb - I/O write barrier
+ *
+ * Ensure ordering of I/O space writes.  This will make sure that writes
+ * following the barrier will arrive after all previous writes.  For most
+ * ia64 platforms, this is a simple 'mf.a' instruction.
+ *
+ * See Documentation/DocBook/deviceiobook.tmpl for more information.
+ */
+static inline void ___ia64_mmiowb(void)
+{
+	ia64_mfa();
+}
+
+static inline void*
+__ia64_mk_io_addr (unsigned long port)
+{
+	struct io_space *space;
+	unsigned long offset;
+
+	space = &io_space[IO_SPACE_NR(port)];
+	port = IO_SPACE_PORT(port);
+	if (space->sparse)
+		offset = IO_SPACE_SPARSE_ENCODING(port);
+	else
+		offset = port;
+
+	return (void *) (space->mmio_base | offset);
+}
+
+#define __ia64_inb	___ia64_inb
+#define __ia64_inw	___ia64_inw
+#define __ia64_inl	___ia64_inl
+#define __ia64_outb	___ia64_outb
+#define __ia64_outw	___ia64_outw
+#define __ia64_outl	___ia64_outl
+#define __ia64_readb	___ia64_readb
+#define __ia64_readw	___ia64_readw
+#define __ia64_readl	___ia64_readl
+#define __ia64_readq	___ia64_readq
+#define __ia64_readb_relaxed	___ia64_readb
+#define __ia64_readw_relaxed	___ia64_readw
+#define __ia64_readl_relaxed	___ia64_readl
+#define __ia64_readq_relaxed	___ia64_readq
+#define __ia64_writeb	___ia64_writeb
+#define __ia64_writew	___ia64_writew
+#define __ia64_writel	___ia64_writel
+#define __ia64_writeq	___ia64_writeq
+#define __ia64_mmiowb	___ia64_mmiowb
+
+/*
+ * For the in/out routines, we need to do "mf.a" _after_ doing the I/O access to ensure
+ * that the access has completed before executing other I/O accesses.  Since we're doing
+ * the accesses through an uncachable (UC) translation, the CPU will execute them in
+ * program order.  However, we still need to tell the compiler not to shuffle them around
+ * during optimization, which is why we use "volatile" pointers.
+ */
+
+static inline unsigned int
+___ia64_inb (unsigned long port)
+{
+	volatile unsigned char *addr = __ia64_mk_io_addr(port);
+	unsigned char ret;
+
+	ret = *addr;
+	__ia64_mf_a();
+	return ret;
+}
+
+static inline unsigned int
+___ia64_inw (unsigned long port)
+{
+	volatile unsigned short *addr = __ia64_mk_io_addr(port);
+	unsigned short ret;
+
+	ret = *addr;
+	__ia64_mf_a();
+	return ret;
+}
+
+static inline unsigned int
+___ia64_inl (unsigned long port)
+{
+	volatile unsigned int *addr = __ia64_mk_io_addr(port);
+	unsigned int ret;
+
+	ret = *addr;
+	__ia64_mf_a();
+	return ret;
+}
+
+static inline void
+___ia64_outb (unsigned char val, unsigned long port)
+{
+	volatile unsigned char *addr = __ia64_mk_io_addr(port);
+
+	*addr = val;
+	__ia64_mf_a();
+}
+
+static inline void
+___ia64_outw (unsigned short val, unsigned long port)
+{
+	volatile unsigned short *addr = __ia64_mk_io_addr(port);
+
+	*addr = val;
+	__ia64_mf_a();
+}
+
+static inline void
+___ia64_outl (unsigned int val, unsigned long port)
+{
+	volatile unsigned int *addr = __ia64_mk_io_addr(port);
+
+	*addr = val;
+	__ia64_mf_a();
+}
+
+static inline void
+__insb (unsigned long port, void *dst, unsigned long count)
+{
+	unsigned char *dp = dst;
+
+	while (count--)
+		*dp++ = platform_inb(port);
+}
+
+static inline void
+__insw (unsigned long port, void *dst, unsigned long count)
+{
+	unsigned short *dp = dst;
+
+	while (count--)
+		put_unaligned(platform_inw(port), dp++);
+}
+
+static inline void
+__insl (unsigned long port, void *dst, unsigned long count)
+{
+	unsigned int *dp = dst;
+
+	while (count--)
+		put_unaligned(platform_inl(port), dp++);
+}
+
+static inline void
+__outsb (unsigned long port, const void *src, unsigned long count)
+{
+	const unsigned char *sp = src;
+
+	while (count--)
+		platform_outb(*sp++, port);
+}
+
+static inline void
+__outsw (unsigned long port, const void *src, unsigned long count)
+{
+	const unsigned short *sp = src;
+
+	while (count--)
+		platform_outw(get_unaligned(sp++), port);
+}
+
+static inline void
+__outsl (unsigned long port, const void *src, unsigned long count)
+{
+	const unsigned int *sp = src;
+
+	while (count--)
+		platform_outl(get_unaligned(sp++), port);
+}
+
+/*
+ * Unfortunately, some platforms are broken and do not follow the IA-64 architecture
+ * specification regarding legacy I/O support.  Thus, we have to make these operations
+ * platform dependent...
+ */
+#define __inb		platform_inb
+#define __inw		platform_inw
+#define __inl		platform_inl
+#define __outb		platform_outb
+#define __outw		platform_outw
+#define __outl		platform_outl
+#define __mmiowb	platform_mmiowb
+
+#define inb(p)		__inb(p)
+#define inw(p)		__inw(p)
+#define inl(p)		__inl(p)
+#define insb(p,d,c)	__insb(p,d,c)
+#define insw(p,d,c)	__insw(p,d,c)
+#define insl(p,d,c)	__insl(p,d,c)
+#define outb(v,p)	__outb(v,p)
+#define outw(v,p)	__outw(v,p)
+#define outl(v,p)	__outl(v,p)
+#define outsb(p,s,c)	__outsb(p,s,c)
+#define outsw(p,s,c)	__outsw(p,s,c)
+#define outsl(p,s,c)	__outsl(p,s,c)
+#define mmiowb()	__mmiowb()
+
+/*
+ * The address passed to these functions are ioremap()ped already.
+ *
+ * We need these to be machine vectors since some platforms don't provide
+ * DMA coherence via PIO reads (PCI drivers and the spec imply that this is
+ * a good idea).  Writes are ok though for all existing ia64 platforms (and
+ * hopefully it'll stay that way).
+ */
+static inline unsigned char
+___ia64_readb (const volatile void __iomem *addr)
+{
+	return *(volatile unsigned char __force *)addr;
+}
+
+static inline unsigned short
+___ia64_readw (const volatile void __iomem *addr)
+{
+	return *(volatile unsigned short __force *)addr;
+}
+
+static inline unsigned int
+___ia64_readl (const volatile void __iomem *addr)
+{
+	return *(volatile unsigned int __force *) addr;
+}
+
+static inline unsigned long
+___ia64_readq (const volatile void __iomem *addr)
+{
+	return *(volatile unsigned long __force *) addr;
+}
+
+static inline void
+__writeb (unsigned char val, volatile void __iomem *addr)
+{
+	*(volatile unsigned char __force *) addr = val;
+}
+
+static inline void
+__writew (unsigned short val, volatile void __iomem *addr)
+{
+	*(volatile unsigned short __force *) addr = val;
+}
+
+static inline void
+__writel (unsigned int val, volatile void __iomem *addr)
+{
+	*(volatile unsigned int __force *) addr = val;
+}
+
+static inline void
+__writeq (unsigned long val, volatile void __iomem *addr)
+{
+	*(volatile unsigned long __force *) addr = val;
+}
+
+#define __readb		platform_readb
+#define __readw		platform_readw
+#define __readl		platform_readl
+#define __readq		platform_readq
+#define __readb_relaxed	platform_readb_relaxed
+#define __readw_relaxed	platform_readw_relaxed
+#define __readl_relaxed	platform_readl_relaxed
+#define __readq_relaxed	platform_readq_relaxed
+
+#define readb(a)	__readb((a))
+#define readw(a)	__readw((a))
+#define readl(a)	__readl((a))
+#define readq(a)	__readq((a))
+#define readb_relaxed(a)	__readb_relaxed((a))
+#define readw_relaxed(a)	__readw_relaxed((a))
+#define readl_relaxed(a)	__readl_relaxed((a))
+#define readq_relaxed(a)	__readq_relaxed((a))
+#define __raw_readb	readb
+#define __raw_readw	readw
+#define __raw_readl	readl
+#define __raw_readq	readq
+#define __raw_readb_relaxed	readb_relaxed
+#define __raw_readw_relaxed	readw_relaxed
+#define __raw_readl_relaxed	readl_relaxed
+#define __raw_readq_relaxed	readq_relaxed
+#define writeb(v,a)	__writeb((v), (a))
+#define writew(v,a)	__writew((v), (a))
+#define writel(v,a)	__writel((v), (a))
+#define writeq(v,a)	__writeq((v), (a))
+#define __raw_writeb	writeb
+#define __raw_writew	writew
+#define __raw_writel	writel
+#define __raw_writeq	writeq
+
+#ifndef inb_p
+# define inb_p		inb
+#endif
+#ifndef inw_p
+# define inw_p		inw
+#endif
+#ifndef inl_p
+# define inl_p		inl
+#endif
+
+#ifndef outb_p
+# define outb_p		outb
+#endif
+#ifndef outw_p
+# define outw_p		outw
+#endif
+#ifndef outl_p
+# define outl_p		outl
+#endif
+
+# ifdef __KERNEL__
+
+extern void __iomem * ioremap(unsigned long offset, unsigned long size);
+extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
+extern void iounmap (volatile void __iomem *addr);
+extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
+#define early_memremap(phys_addr, size)        early_ioremap(phys_addr, size)
+extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
+#define early_memunmap(addr, size)             early_iounmap(addr, size)
+static inline void __iomem * ioremap_cache (unsigned long phys_addr, unsigned long size)
+{
+	return ioremap(phys_addr, size);
+}
+
+
+/*
+ * String version of IO memory access ops:
+ */
+extern void memcpy_fromio(void *dst, const volatile void __iomem *src, long n);
+extern void memcpy_toio(volatile void __iomem *dst, const void *src, long n);
+extern void memset_io(volatile void __iomem *s, int c, long n);
+
+# endif /* __KERNEL__ */
+
+#endif /* _ASM_IA64_IO_H */

arch/ia64/include/asm/iommu.h

@@ -0,0 +1,22 @@
+#ifndef _ASM_IA64_IOMMU_H
+#define _ASM_IA64_IOMMU_H 1
+
+#define cpu_has_x2apic 0
+/* 10 seconds */
+#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
+
+extern void pci_iommu_shutdown(void);
+extern void no_iommu_init(void);
+#ifdef	CONFIG_INTEL_IOMMU
+extern int force_iommu, no_iommu;
+extern int iommu_pass_through;
+extern int iommu_detected;
+#else
+#define iommu_pass_through	(0)
+#define no_iommu		(1)
+#define iommu_detected		(0)
+#endif
+extern void iommu_dma_init(void);
+extern void machvec_init(const char *name);
+
+#endif

arch/ia64/include/asm/iommu_table.h

@@ -0,0 +1,6 @@
+#ifndef _ASM_IA64_IOMMU_TABLE_H
+#define _ASM_IA64_IOMMU_TABLE_H
+
+#define IOMMU_INIT_POST(_detect)
+
+#endif /* _ASM_IA64_IOMMU_TABLE_H */

arch/ia64/include/asm/iosapic.h

@@ -0,0 +1,121 @@
+#ifndef __ASM_IA64_IOSAPIC_H
+#define __ASM_IA64_IOSAPIC_H
+
+#define	IOSAPIC_REG_SELECT	0x0
+#define	IOSAPIC_WINDOW		0x10
+#define	IOSAPIC_EOI		0x40
+
+#define	IOSAPIC_VERSION		0x1
+
+/*
+ * Redirection table entry
+ */
+#define	IOSAPIC_RTE_LOW(i)	(0x10+i*2)
+#define	IOSAPIC_RTE_HIGH(i)	(0x11+i*2)
+
+#define	IOSAPIC_DEST_SHIFT		16
+
+/*
+ * Delivery mode
+ */
+#define	IOSAPIC_DELIVERY_SHIFT		8
+#define	IOSAPIC_FIXED			0x0
+#define	IOSAPIC_LOWEST_PRIORITY	0x1
+#define	IOSAPIC_PMI			0x2
+#define	IOSAPIC_NMI			0x4
+#define	IOSAPIC_INIT			0x5
+#define	IOSAPIC_EXTINT			0x7
+
+/*
+ * Interrupt polarity
+ */
+#define	IOSAPIC_POLARITY_SHIFT		13
+#define	IOSAPIC_POL_HIGH		0
+#define	IOSAPIC_POL_LOW		1
+
+/*
+ * Trigger mode
+ */
+#define	IOSAPIC_TRIGGER_SHIFT		15
+#define	IOSAPIC_EDGE			0
+#define	IOSAPIC_LEVEL			1
+
+/*
+ * Mask bit
+ */
+
+#define	IOSAPIC_MASK_SHIFT		16
+#define	IOSAPIC_MASK			(1<<IOSAPIC_MASK_SHIFT)
+
+#define IOSAPIC_VECTOR_MASK		0xffffff00
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_IOSAPIC
+
+#define NR_IOSAPICS			256
+
+#ifdef CONFIG_PARAVIRT_GUEST
+#include <asm/paravirt.h>
+#else
+#define iosapic_pcat_compat_init	ia64_native_iosapic_pcat_compat_init
+#define __iosapic_read			__ia64_native_iosapic_read
+#define __iosapic_write			__ia64_native_iosapic_write
+#define iosapic_get_irq_chip		ia64_native_iosapic_get_irq_chip
+#endif
+
+extern void __init ia64_native_iosapic_pcat_compat_init(void);
+extern struct irq_chip *ia64_native_iosapic_get_irq_chip(unsigned long trigger);
+
+static inline unsigned int
+__ia64_native_iosapic_read(char __iomem *iosapic, unsigned int reg)
+{
+	writel(reg, iosapic + IOSAPIC_REG_SELECT);
+	return readl(iosapic + IOSAPIC_WINDOW);
+}
+
+static inline void
+__ia64_native_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
+{
+	writel(reg, iosapic + IOSAPIC_REG_SELECT);
+	writel(val, iosapic + IOSAPIC_WINDOW);
+}
+
+static inline void iosapic_eoi(char __iomem *iosapic, u32 vector)
+{
+	writel(vector, iosapic + IOSAPIC_EOI);
+}
+
+extern void __init iosapic_system_init (int pcat_compat);
+extern int iosapic_init (unsigned long address, unsigned int gsi_base);
+extern int iosapic_remove (unsigned int gsi_base);
+extern int gsi_to_irq (unsigned int gsi);
+extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
+				  unsigned long trigger);
+extern void iosapic_unregister_intr (unsigned int irq);
+extern void iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
+				      unsigned long polarity,
+				      unsigned long trigger);
+extern int __init iosapic_register_platform_intr (u32 int_type,
+					   unsigned int gsi,
+					   int pmi_vector,
+					   u16 eid, u16 id,
+					   unsigned long polarity,
+					   unsigned long trigger);
+
+#ifdef CONFIG_NUMA
+extern void map_iosapic_to_node (unsigned int, int);
+#endif
+#else
+#define iosapic_system_init(pcat_compat)			do { } while (0)
+#define iosapic_init(address,gsi_base)				(-EINVAL)
+#define iosapic_remove(gsi_base)				(-ENODEV)
+#define iosapic_register_intr(gsi,polarity,trigger)		(gsi)
+#define iosapic_unregister_intr(irq)				do { } while (0)
+#define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger)	do { } while (0)
+#define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
+	polarity,trigger)					(gsi)
+#endif
+
+# endif /* !__ASSEMBLY__ */
+#endif /* __ASM_IA64_IOSAPIC_H */

arch/ia64/include/asm/irq.h

@@ -0,0 +1,37 @@
+#ifndef _ASM_IA64_IRQ_H
+#define _ASM_IA64_IRQ_H
+
+/*
+ * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * 11/24/98	S.Eranian 	updated TIMER_IRQ and irq_canonicalize
+ * 01/20/99	S.Eranian	added keyboard interrupt
+ * 02/29/00     D.Mosberger	moved most things into hw_irq.h
+ */
+
+#include <linux/types.h>
+#include <linux/cpumask.h>
+#include <generated/nr-irqs.h>
+
+static __inline__ int
+irq_canonicalize (int irq)
+{
+	/*
+	 * We do the legacy thing here of pretending that irqs < 16
+	 * are 8259 irqs.  This really shouldn't be necessary at all,
+	 * but we keep it here as serial.c still uses it...
+	 */
+	return ((irq == 2) ? 9 : irq);
+}
+
+extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
+bool is_affinity_mask_valid(const struct cpumask *cpumask);
+
+#define is_affinity_mask_valid is_affinity_mask_valid
+
+int create_irq(void);
+void destroy_irq(unsigned int irq);
+
+#endif /* _ASM_IA64_IRQ_H */

arch/ia64/include/asm/irq_regs.h

@@ -0,0 +1 @@
+#include <asm-generic/irq_regs.h>

arch/ia64/include/asm/irq_remapping.h

@@ -0,0 +1,6 @@
+#ifndef __IA64_INTR_REMAPPING_H
+#define __IA64_INTR_REMAPPING_H
+#define irq_remapping_enabled 0
+#define dmar_alloc_hwirq	create_irq
+#define dmar_free_hwirq		destroy_irq
+#endif

arch/ia64/include/asm/irqflags.h

@@ -0,0 +1,98 @@
+/*
+ * IRQ flags defines.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 Asit Mallick <asit.k.mallick@intel.com>
+ * Copyright (C) 1999 Don Dugger <don.dugger@intel.com>
+ */
+
+#ifndef _ASM_IA64_IRQFLAGS_H
+#define _ASM_IA64_IRQFLAGS_H
+
+#include <asm/pal.h>
+#include <asm/kregs.h>
+
+#ifdef CONFIG_IA64_DEBUG_IRQ
+extern unsigned long last_cli_ip;
+static inline void arch_maybe_save_ip(unsigned long flags)
+{
+	if (flags & IA64_PSR_I)
+		last_cli_ip = ia64_getreg(_IA64_REG_IP);
+}
+#else
+#define arch_maybe_save_ip(flags) do {} while (0)
+#endif
+
+/*
+ * - clearing psr.i is implicitly serialized (visible by next insn)
+ * - setting psr.i requires data serialization
+ * - we need a stop-bit before reading PSR because we sometimes
+ *   write a floating-point register right before reading the PSR
+ *   and that writes to PSR.mfl
+ */
+
+static inline unsigned long arch_local_save_flags(void)
+{
+	ia64_stop();
+#ifdef CONFIG_PARAVIRT
+	return ia64_get_psr_i();
+#else
+	return ia64_getreg(_IA64_REG_PSR);
+#endif
+}
+
+static inline unsigned long arch_local_irq_save(void)
+{
+	unsigned long flags = arch_local_save_flags();
+
+	ia64_stop();
+	ia64_rsm(IA64_PSR_I);
+	arch_maybe_save_ip(flags);
+	return flags;
+}
+
+static inline void arch_local_irq_disable(void)
+{
+#ifdef CONFIG_IA64_DEBUG_IRQ
+	arch_local_irq_save();
+#else
+	ia64_stop();
+	ia64_rsm(IA64_PSR_I);
+#endif
+}
+
+static inline void arch_local_irq_enable(void)
+{
+	ia64_stop();
+	ia64_ssm(IA64_PSR_I);
+	ia64_srlz_d();
+}
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+#ifdef CONFIG_IA64_DEBUG_IRQ
+	unsigned long old_psr = arch_local_save_flags();
+#endif
+	ia64_intrin_local_irq_restore(flags & IA64_PSR_I);
+	arch_maybe_save_ip(old_psr & ~flags);
+}
+
+static inline bool arch_irqs_disabled_flags(unsigned long flags)
+{
+	return (flags & IA64_PSR_I) == 0;
+}
+
+static inline bool arch_irqs_disabled(void)
+{
+	return arch_irqs_disabled_flags(arch_local_save_flags());
+}
+
+static inline void arch_safe_halt(void)
+{
+	arch_local_irq_enable();
+	ia64_pal_halt_light();	/* PAL_HALT_LIGHT */
+}
+
+
+#endif /* _ASM_IA64_IRQFLAGS_H */

arch/ia64/include/asm/kdebug.h

@@ -0,0 +1,57 @@
+#ifndef _IA64_KDEBUG_H
+#define _IA64_KDEBUG_H 1
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) Intel Corporation, 2005
+ *
+ * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
+ *              <anil.s.keshavamurthy@intel.com> adopted from
+ *              include/asm-x86_64/kdebug.h
+ *
+ * 2005-Oct	Keith Owens <kaos@sgi.com>.  Expand notify_die to cover more
+ *		events.
+ */
+
+enum die_val {
+	DIE_BREAK = 1,
+	DIE_FAULT,
+	DIE_OOPS,
+	DIE_MACHINE_HALT,
+	DIE_MACHINE_RESTART,
+	DIE_MCA_MONARCH_ENTER,
+	DIE_MCA_MONARCH_PROCESS,
+	DIE_MCA_MONARCH_LEAVE,
+	DIE_MCA_SLAVE_ENTER,
+	DIE_MCA_SLAVE_PROCESS,
+	DIE_MCA_SLAVE_LEAVE,
+	DIE_MCA_RENDZVOUS_ENTER,
+	DIE_MCA_RENDZVOUS_PROCESS,
+	DIE_MCA_RENDZVOUS_LEAVE,
+	DIE_MCA_NEW_TIMEOUT,
+	DIE_INIT_ENTER,
+	DIE_INIT_MONARCH_ENTER,
+	DIE_INIT_MONARCH_PROCESS,
+	DIE_INIT_MONARCH_LEAVE,
+	DIE_INIT_SLAVE_ENTER,
+	DIE_INIT_SLAVE_PROCESS,
+	DIE_INIT_SLAVE_LEAVE,
+	DIE_KDEBUG_ENTER,
+	DIE_KDEBUG_LEAVE,
+	DIE_KDUMP_ENTER,
+	DIE_KDUMP_LEAVE,
+};
+
+#endif

arch/ia64/include/asm/kexec.h

@@ -0,0 +1,45 @@
+#ifndef _ASM_IA64_KEXEC_H
+#define _ASM_IA64_KEXEC_H
+
+#include <asm/setup.h>
+
+/* Maximum physical address we can use pages from */
+#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
+/* Maximum address we can reach in physical address mode */
+#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
+/* Maximum address we can use for the control code buffer */
+#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
+
+#define KEXEC_CONTROL_PAGE_SIZE (8192 + 8192 + 4096)
+
+/* The native architecture */
+#define KEXEC_ARCH KEXEC_ARCH_IA_64
+
+#define kexec_flush_icache_page(page) do { \
+                unsigned long page_addr = (unsigned long)page_address(page); \
+                flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
+        } while(0)
+
+extern struct kimage *ia64_kimage;
+extern const unsigned int relocate_new_kernel_size;
+extern void relocate_new_kernel(unsigned long, unsigned long,
+		struct ia64_boot_param *, unsigned long);
+static inline void
+crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs)
+{
+}
+extern struct resource efi_memmap_res;
+extern struct resource boot_param_res;
+extern void kdump_smp_send_stop(void);
+extern void kdump_smp_send_init(void);
+extern void kexec_disable_iosapic(void);
+extern void crash_save_this_cpu(void);
+struct rsvd_region;
+extern unsigned long kdump_find_rsvd_region(unsigned long size,
+		struct rsvd_region *rsvd_regions, int n);
+extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg);
+extern int kdump_status[];
+extern atomic_t kdump_cpu_freezed;
+extern atomic_t kdump_in_progress;
+
+#endif /* _ASM_IA64_KEXEC_H */

arch/ia64/include/asm/kmap_types.h

@@ -0,0 +1,12 @@
+#ifndef _ASM_IA64_KMAP_TYPES_H
+#define _ASM_IA64_KMAP_TYPES_H
+
+#ifdef CONFIG_DEBUG_HIGHMEM
+#define  __WITH_KM_FENCE
+#endif
+
+#include <asm-generic/kmap_types.h>
+
+#undef __WITH_KM_FENCE
+
+#endif /* _ASM_IA64_KMAP_TYPES_H */

arch/ia64/include/asm/kprobes.h

@@ -0,0 +1,127 @@
+#ifndef _ASM_KPROBES_H
+#define _ASM_KPROBES_H
+/*
+ *  Kernel Probes (KProbes)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2002, 2004
+ * Copyright (C) Intel Corporation, 2005
+ *
+ * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
+ *              <anil.s.keshavamurthy@intel.com> adapted from i386
+ */
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/percpu.h>
+#include <asm/break.h>
+
+#define __ARCH_WANT_KPROBES_INSN_SLOT
+#define MAX_INSN_SIZE   2	/* last half is for kprobe-booster */
+#define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)
+#define NOP_M_INST	(long)(1<<27)
+#define BRL_INST(i1, i2) ((long)((0xcL << 37) |	/* brl */ \
+				(0x1L << 12) |	/* many */ \
+				(((i1) & 1) << 36) | ((i2) << 13))) /* imm */
+
+typedef union cmp_inst {
+	struct {
+	unsigned long long qp : 6;
+	unsigned long long p1 : 6;
+	unsigned long long c  : 1;
+	unsigned long long r2 : 7;
+	unsigned long long r3 : 7;
+	unsigned long long p2 : 6;
+	unsigned long long ta : 1;
+	unsigned long long x2 : 2;
+	unsigned long long tb : 1;
+	unsigned long long opcode : 4;
+	unsigned long long reserved : 23;
+	}f;
+	unsigned long long l;
+} cmp_inst_t;
+
+struct kprobe;
+
+typedef struct _bundle {
+	struct {
+		unsigned long long template : 5;
+		unsigned long long slot0 : 41;
+		unsigned long long slot1_p0 : 64-46;
+	} quad0;
+	struct {
+		unsigned long long slot1_p1 : 41 - (64-46);
+		unsigned long long slot2 : 41;
+	} quad1;
+} __attribute__((__aligned__(16)))  bundle_t;
+
+struct prev_kprobe {
+	struct kprobe *kp;
+	unsigned long status;
+};
+
+#define	MAX_PARAM_RSE_SIZE	(0x60+0x60/0x3f)
+/* per-cpu kprobe control block */
+#define ARCH_PREV_KPROBE_SZ 2
+struct kprobe_ctlblk {
+	unsigned long kprobe_status;
+	struct pt_regs jprobe_saved_regs;
+	unsigned long jprobes_saved_stacked_regs[MAX_PARAM_RSE_SIZE];
+	unsigned long *bsp;
+	unsigned long cfm;
+	atomic_t prev_kprobe_index;
+	struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ];
+};
+
+#define kretprobe_blacklist_size 0
+
+#define SLOT0_OPCODE_SHIFT	(37)
+#define SLOT1_p1_OPCODE_SHIFT	(37 - (64-46))
+#define SLOT2_OPCODE_SHIFT 	(37)
+
+#define INDIRECT_CALL_OPCODE		(1)
+#define IP_RELATIVE_CALL_OPCODE		(5)
+#define IP_RELATIVE_BRANCH_OPCODE	(4)
+#define IP_RELATIVE_PREDICT_OPCODE	(7)
+#define LONG_BRANCH_OPCODE		(0xC)
+#define LONG_CALL_OPCODE		(0xD)
+#define flush_insn_slot(p)		do { } while (0)
+
+typedef struct kprobe_opcode {
+	bundle_t bundle;
+} kprobe_opcode_t;
+
+/* Architecture specific copy of original instruction*/
+struct arch_specific_insn {
+	/* copy of the instruction to be emulated */
+	kprobe_opcode_t *insn;
+ #define INST_FLAG_FIX_RELATIVE_IP_ADDR		1
+ #define INST_FLAG_FIX_BRANCH_REG		2
+ #define INST_FLAG_BREAK_INST			4
+ #define INST_FLAG_BOOSTABLE			8
+ 	unsigned long inst_flag;
+ 	unsigned short target_br_reg;
+	unsigned short slot;
+};
+
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
+extern int kprobe_exceptions_notify(struct notifier_block *self,
+				    unsigned long val, void *data);
+
+extern void invalidate_stacked_regs(void);
+extern void flush_register_stack(void);
+extern void arch_remove_kprobe(struct kprobe *p);
+
+#endif				/* _ASM_KPROBES_H */

arch/ia64/include/asm/kregs.h

@@ -0,0 +1,165 @@
+#ifndef _ASM_IA64_KREGS_H
+#define _ASM_IA64_KREGS_H
+
+/*
+ * Copyright (C) 2001-2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+/*
+ * This file defines the kernel register usage convention used by Linux/ia64.
+ */
+
+/*
+ * Kernel registers:
+ */
+#define IA64_KR_IO_BASE		0	/* ar.k0: legacy I/O base address */
+#define IA64_KR_TSSD		1	/* ar.k1: IVE uses this as the TSSD */
+#define IA64_KR_PER_CPU_DATA	3	/* ar.k3: physical per-CPU base */
+#define IA64_KR_CURRENT_STACK	4	/* ar.k4: what's mapped in IA64_TR_CURRENT_STACK */
+#define IA64_KR_FPU_OWNER	5	/* ar.k5: fpu-owner (UP only, at the moment) */
+#define IA64_KR_CURRENT		6	/* ar.k6: "current" task pointer */
+#define IA64_KR_PT_BASE		7	/* ar.k7: page table base address (physical) */
+
+#define _IA64_KR_PASTE(x,y)	x##y
+#define _IA64_KR_PREFIX(n)	_IA64_KR_PASTE(ar.k, n)
+#define IA64_KR(n)		_IA64_KR_PREFIX(IA64_KR_##n)
+
+/*
+ * Translation registers:
+ */
+#define IA64_TR_KERNEL		0	/* itr0, dtr0: maps kernel image (code & data) */
+#define IA64_TR_PALCODE		1	/* itr1: maps PALcode as required by EFI */
+#define IA64_TR_CURRENT_STACK	1	/* dtr1: maps kernel's memory- & register-stacks */
+
+#define IA64_TR_ALLOC_BASE	2 	/* itr&dtr: Base of dynamic TR resource*/
+#define IA64_TR_ALLOC_MAX	64 	/* Max number for dynamic use*/
+
+/* Processor status register bits: */
+#define IA64_PSR_BE_BIT		1
+#define IA64_PSR_UP_BIT		2
+#define IA64_PSR_AC_BIT		3
+#define IA64_PSR_MFL_BIT	4
+#define IA64_PSR_MFH_BIT	5
+#define IA64_PSR_IC_BIT		13
+#define IA64_PSR_I_BIT		14
+#define IA64_PSR_PK_BIT		15
+#define IA64_PSR_DT_BIT		17
+#define IA64_PSR_DFL_BIT	18
+#define IA64_PSR_DFH_BIT	19
+#define IA64_PSR_SP_BIT		20
+#define IA64_PSR_PP_BIT		21
+#define IA64_PSR_DI_BIT		22
+#define IA64_PSR_SI_BIT		23
+#define IA64_PSR_DB_BIT		24
+#define IA64_PSR_LP_BIT		25
+#define IA64_PSR_TB_BIT		26
+#define IA64_PSR_RT_BIT		27
+/* The following are not affected by save_flags()/restore_flags(): */
+#define IA64_PSR_CPL0_BIT	32
+#define IA64_PSR_CPL1_BIT	33
+#define IA64_PSR_IS_BIT		34
+#define IA64_PSR_MC_BIT		35
+#define IA64_PSR_IT_BIT		36
+#define IA64_PSR_ID_BIT		37
+#define IA64_PSR_DA_BIT		38
+#define IA64_PSR_DD_BIT		39
+#define IA64_PSR_SS_BIT		40
+#define IA64_PSR_RI_BIT		41
+#define IA64_PSR_ED_BIT		43
+#define IA64_PSR_BN_BIT		44
+#define IA64_PSR_IA_BIT		45
+
+/* A mask of PSR bits that we generally don't want to inherit across a clone2() or an
+   execve().  Only list flags here that need to be cleared/set for BOTH clone2() and
+   execve().  */
+#define IA64_PSR_BITS_TO_CLEAR	(IA64_PSR_MFL | IA64_PSR_MFH | IA64_PSR_DB | IA64_PSR_LP | \
+				 IA64_PSR_TB  | IA64_PSR_ID  | IA64_PSR_DA | IA64_PSR_DD | \
+				 IA64_PSR_SS  | IA64_PSR_ED  | IA64_PSR_IA)
+#define IA64_PSR_BITS_TO_SET	(IA64_PSR_DFH | IA64_PSR_SP)
+
+#define IA64_PSR_BE	(__IA64_UL(1) << IA64_PSR_BE_BIT)
+#define IA64_PSR_UP	(__IA64_UL(1) << IA64_PSR_UP_BIT)
+#define IA64_PSR_AC	(__IA64_UL(1) << IA64_PSR_AC_BIT)
+#define IA64_PSR_MFL	(__IA64_UL(1) << IA64_PSR_MFL_BIT)
+#define IA64_PSR_MFH	(__IA64_UL(1) << IA64_PSR_MFH_BIT)
+#define IA64_PSR_IC	(__IA64_UL(1) << IA64_PSR_IC_BIT)
+#define IA64_PSR_I	(__IA64_UL(1) << IA64_PSR_I_BIT)
+#define IA64_PSR_PK	(__IA64_UL(1) << IA64_PSR_PK_BIT)
+#define IA64_PSR_DT	(__IA64_UL(1) << IA64_PSR_DT_BIT)
+#define IA64_PSR_DFL	(__IA64_UL(1) << IA64_PSR_DFL_BIT)
+#define IA64_PSR_DFH	(__IA64_UL(1) << IA64_PSR_DFH_BIT)
+#define IA64_PSR_SP	(__IA64_UL(1) << IA64_PSR_SP_BIT)
+#define IA64_PSR_PP	(__IA64_UL(1) << IA64_PSR_PP_BIT)
+#define IA64_PSR_DI	(__IA64_UL(1) << IA64_PSR_DI_BIT)
+#define IA64_PSR_SI	(__IA64_UL(1) << IA64_PSR_SI_BIT)
+#define IA64_PSR_DB	(__IA64_UL(1) << IA64_PSR_DB_BIT)
+#define IA64_PSR_LP	(__IA64_UL(1) << IA64_PSR_LP_BIT)
+#define IA64_PSR_TB	(__IA64_UL(1) << IA64_PSR_TB_BIT)
+#define IA64_PSR_RT	(__IA64_UL(1) << IA64_PSR_RT_BIT)
+/* The following are not affected by save_flags()/restore_flags(): */
+#define IA64_PSR_CPL	(__IA64_UL(3) << IA64_PSR_CPL0_BIT)
+#define IA64_PSR_IS	(__IA64_UL(1) << IA64_PSR_IS_BIT)
+#define IA64_PSR_MC	(__IA64_UL(1) << IA64_PSR_MC_BIT)
+#define IA64_PSR_IT	(__IA64_UL(1) << IA64_PSR_IT_BIT)
+#define IA64_PSR_ID	(__IA64_UL(1) << IA64_PSR_ID_BIT)
+#define IA64_PSR_DA	(__IA64_UL(1) << IA64_PSR_DA_BIT)
+#define IA64_PSR_DD	(__IA64_UL(1) << IA64_PSR_DD_BIT)
+#define IA64_PSR_SS	(__IA64_UL(1) << IA64_PSR_SS_BIT)
+#define IA64_PSR_RI	(__IA64_UL(3) << IA64_PSR_RI_BIT)
+#define IA64_PSR_ED	(__IA64_UL(1) << IA64_PSR_ED_BIT)
+#define IA64_PSR_BN	(__IA64_UL(1) << IA64_PSR_BN_BIT)
+#define IA64_PSR_IA	(__IA64_UL(1) << IA64_PSR_IA_BIT)
+
+/* User mask bits: */
+#define IA64_PSR_UM	(IA64_PSR_BE | IA64_PSR_UP | IA64_PSR_AC | IA64_PSR_MFL | IA64_PSR_MFH)
+
+/* Default Control Register */
+#define IA64_DCR_PP_BIT		 0	/* privileged performance monitor default */
+#define IA64_DCR_BE_BIT		 1	/* big-endian default */
+#define IA64_DCR_LC_BIT		 2	/* ia32 lock-check enable */
+#define IA64_DCR_DM_BIT		 8	/* defer TLB miss faults */
+#define IA64_DCR_DP_BIT		 9	/* defer page-not-present faults */
+#define IA64_DCR_DK_BIT		10	/* defer key miss faults */
+#define IA64_DCR_DX_BIT		11	/* defer key permission faults */
+#define IA64_DCR_DR_BIT		12	/* defer access right faults */
+#define IA64_DCR_DA_BIT		13	/* defer access bit faults */
+#define IA64_DCR_DD_BIT		14	/* defer debug faults */
+
+#define IA64_DCR_PP	(__IA64_UL(1) << IA64_DCR_PP_BIT)
+#define IA64_DCR_BE	(__IA64_UL(1) << IA64_DCR_BE_BIT)
+#define IA64_DCR_LC	(__IA64_UL(1) << IA64_DCR_LC_BIT)
+#define IA64_DCR_DM	(__IA64_UL(1) << IA64_DCR_DM_BIT)
+#define IA64_DCR_DP	(__IA64_UL(1) << IA64_DCR_DP_BIT)
+#define IA64_DCR_DK	(__IA64_UL(1) << IA64_DCR_DK_BIT)
+#define IA64_DCR_DX	(__IA64_UL(1) << IA64_DCR_DX_BIT)
+#define IA64_DCR_DR	(__IA64_UL(1) << IA64_DCR_DR_BIT)
+#define IA64_DCR_DA	(__IA64_UL(1) << IA64_DCR_DA_BIT)
+#define IA64_DCR_DD	(__IA64_UL(1) << IA64_DCR_DD_BIT)
+
+/* Interrupt Status Register */
+#define IA64_ISR_X_BIT		32	/* execute access */
+#define IA64_ISR_W_BIT		33	/* write access */
+#define IA64_ISR_R_BIT		34	/* read access */
+#define IA64_ISR_NA_BIT		35	/* non-access */
+#define IA64_ISR_SP_BIT		36	/* speculative load exception */
+#define IA64_ISR_RS_BIT		37	/* mandatory register-stack exception */
+#define IA64_ISR_IR_BIT		38	/* invalid register frame exception */
+#define IA64_ISR_CODE_MASK	0xf
+
+#define IA64_ISR_X	(__IA64_UL(1) << IA64_ISR_X_BIT)
+#define IA64_ISR_W	(__IA64_UL(1) << IA64_ISR_W_BIT)
+#define IA64_ISR_R	(__IA64_UL(1) << IA64_ISR_R_BIT)
+#define IA64_ISR_NA	(__IA64_UL(1) << IA64_ISR_NA_BIT)
+#define IA64_ISR_SP	(__IA64_UL(1) << IA64_ISR_SP_BIT)
+#define IA64_ISR_RS	(__IA64_UL(1) << IA64_ISR_RS_BIT)
+#define IA64_ISR_IR	(__IA64_UL(1) << IA64_ISR_IR_BIT)
+
+/* ISR code field for non-access instructions */
+#define IA64_ISR_CODE_TPA	0
+#define IA64_ISR_CODE_FC	1
+#define IA64_ISR_CODE_PROBE	2
+#define IA64_ISR_CODE_TAK	3
+#define IA64_ISR_CODE_LFETCH	4
+#define IA64_ISR_CODE_PROBEF	5
+
+#endif /* _ASM_IA64_kREGS_H */

arch/ia64/include/asm/kvm_host.h

@@ -0,0 +1,609 @@
+/*
+ * kvm_host.h: used for kvm module, and hold ia64-specific sections.
+ *
+ * Copyright (C) 2007, Intel Corporation.
+ *
+ * Xiantao Zhang <xiantao.zhang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+
+#ifndef __ASM_KVM_HOST_H
+#define __ASM_KVM_HOST_H
+
+#define KVM_USER_MEM_SLOTS 32
+
+#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
+#define KVM_IRQCHIP_NUM_PINS  KVM_IOAPIC_NUM_PINS
+
+/* define exit reasons from vmm to kvm*/
+#define EXIT_REASON_VM_PANIC		0
+#define EXIT_REASON_MMIO_INSTRUCTION	1
+#define EXIT_REASON_PAL_CALL		2
+#define EXIT_REASON_SAL_CALL		3
+#define EXIT_REASON_SWITCH_RR6		4
+#define EXIT_REASON_VM_DESTROY		5
+#define EXIT_REASON_EXTERNAL_INTERRUPT	6
+#define EXIT_REASON_IPI			7
+#define EXIT_REASON_PTC_G		8
+#define EXIT_REASON_DEBUG		20
+
+/*Define vmm address space and vm data space.*/
+#define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20)
+#define KVM_VMM_SHIFT 24
+#define KVM_VMM_BASE 0xD000000000000000
+#define VMM_SIZE (__IA64_UL_CONST(8)<<20)
+
+/*
+ * Define vm_buffer, used by PAL Services, base address.
+ * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M
+ */
+#define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE)
+#define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20)
+
+/*
+ * kvm guest's data area looks as follow:
+ *
+ *            +----------------------+	-------	KVM_VM_DATA_SIZE
+ *	      |	    vcpu[n]'s data   |	 |     ___________________KVM_STK_OFFSET
+ *     	      |			     |	 |    /			  |
+ *     	      |	       ..........    |	 |   /vcpu's struct&stack |
+ *     	      |	       ..........    |	 |  /---------------------|---- 0
+ *	      |	    vcpu[5]'s data   |	 | /	   vpd		  |
+ *	      |	    vcpu[4]'s data   |	 |/-----------------------|
+ *	      |	    vcpu[3]'s data   |	 /	   vtlb		  |
+ *	      |	    vcpu[2]'s data   |	/|------------------------|
+ *	      |	    vcpu[1]'s data   |/  |	   vhpt		  |
+ *	      |	    vcpu[0]'s data   |____________________________|
+ *            +----------------------+	 |
+ *	      |	   memory dirty log  |	 |
+ *            +----------------------+	 |
+ *	      |	   vm's data struct  |	 |
+ *            +----------------------+	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |			     |	 |
+ *	      |	  vm's p2m table  |	 |
+ *	      |			     |	 |
+ *            |			     |	 |
+ *	      |			     |	 |  |
+ * vm's data->|			     |   |  |
+ *	      +----------------------+ ------- 0
+ * To support large memory, needs to increase the size of p2m.
+ * To support more vcpus, needs to ensure it has enough space to
+ * hold vcpus' data.
+ */
+
+#define KVM_VM_DATA_SHIFT	26
+#define KVM_VM_DATA_SIZE	(__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT)
+#define KVM_VM_DATA_BASE	(KVM_VMM_BASE + KVM_VM_DATA_SIZE)
+
+#define KVM_P2M_BASE		KVM_VM_DATA_BASE
+#define KVM_P2M_SIZE		(__IA64_UL_CONST(24) << 20)
+
+#define VHPT_SHIFT		16
+#define VHPT_SIZE		(__IA64_UL_CONST(1) << VHPT_SHIFT)
+#define VHPT_NUM_ENTRIES	(__IA64_UL_CONST(1) << (VHPT_SHIFT-5))
+
+#define VTLB_SHIFT		16
+#define VTLB_SIZE		(__IA64_UL_CONST(1) << VTLB_SHIFT)
+#define VTLB_NUM_ENTRIES	(1UL << (VHPT_SHIFT-5))
+
+#define VPD_SHIFT		16
+#define VPD_SIZE		(__IA64_UL_CONST(1) << VPD_SHIFT)
+
+#define VCPU_STRUCT_SHIFT	16
+#define VCPU_STRUCT_SIZE	(__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
+
+/*
+ * This must match KVM_IA64_VCPU_STACK_{SHIFT,SIZE} arch/ia64/include/asm/kvm.h
+ */
+#define KVM_STK_SHIFT		16
+#define KVM_STK_OFFSET		(__IA64_UL_CONST(1)<< KVM_STK_SHIFT)
+
+#define KVM_VM_STRUCT_SHIFT	19
+#define KVM_VM_STRUCT_SIZE	(__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)
+
+#define KVM_MEM_DIRY_LOG_SHIFT	19
+#define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT)
+
+#ifndef __ASSEMBLY__
+
+/*Define the max vcpus and memory for Guests.*/
+#define KVM_MAX_VCPUS	(KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\
+			KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data)
+#define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT)
+
+#define VMM_LOG_LEN 256
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/kvm.h>
+#include <linux/kvm_para.h>
+#include <linux/kvm_types.h>
+
+#include <asm/pal.h>
+#include <asm/sal.h>
+#include <asm/page.h>
+
+struct kvm_vcpu_data {
+	char vcpu_vhpt[VHPT_SIZE];
+	char vcpu_vtlb[VTLB_SIZE];
+	char vcpu_vpd[VPD_SIZE];
+	char vcpu_struct[VCPU_STRUCT_SIZE];
+};
+
+struct kvm_vm_data {
+	char kvm_p2m[KVM_P2M_SIZE];
+	char kvm_vm_struct[KVM_VM_STRUCT_SIZE];
+	char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE];
+	struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
+};
+
+#define VCPU_BASE(n)	(KVM_VM_DATA_BASE + \
+				offsetof(struct kvm_vm_data, vcpu_data[n]))
+#define KVM_VM_BASE	(KVM_VM_DATA_BASE + \
+				offsetof(struct kvm_vm_data, kvm_vm_struct))
+#define KVM_MEM_DIRTY_LOG_BASE	KVM_VM_DATA_BASE + \
+				offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
+
+#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
+#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
+#define VPD_BASE(n)  (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
+#define VCPU_STRUCT_BASE(n)	(VCPU_BASE(n) + \
+				offsetof(struct kvm_vcpu_data, vcpu_struct))
+
+/*IO section definitions*/
+#define IOREQ_READ      1
+#define IOREQ_WRITE     0
+
+#define STATE_IOREQ_NONE        0
+#define STATE_IOREQ_READY       1
+#define STATE_IOREQ_INPROCESS   2
+#define STATE_IORESP_READY      3
+
+/*Guest Physical address layout.*/
+#define GPFN_MEM        (0UL << 60) /* Guest pfn is normal mem */
+#define GPFN_FRAME_BUFFER   (1UL << 60) /* VGA framebuffer */
+#define GPFN_LOW_MMIO       (2UL << 60) /* Low MMIO range */
+#define GPFN_PIB        (3UL << 60) /* PIB base */
+#define GPFN_IOSAPIC        (4UL << 60) /* IOSAPIC base */
+#define GPFN_LEGACY_IO      (5UL << 60) /* Legacy I/O base */
+#define GPFN_GFW        (6UL << 60) /* Guest Firmware */
+#define GPFN_PHYS_MMIO      (7UL << 60) /* Directed MMIO Range */
+
+#define GPFN_IO_MASK        (7UL << 60) /* Guest pfn is I/O type */
+#define GPFN_INV_MASK       (1UL << 63) /* Guest pfn is invalid */
+#define INVALID_MFN       (~0UL)
+#define MEM_G   (1UL << 30)
+#define MEM_M   (1UL << 20)
+#define MMIO_START       (3 * MEM_G)
+#define MMIO_SIZE        (512 * MEM_M)
+#define VGA_IO_START     0xA0000UL
+#define VGA_IO_SIZE      0x20000
+#define LEGACY_IO_START  (MMIO_START + MMIO_SIZE)
+#define LEGACY_IO_SIZE   (64 * MEM_M)
+#define IO_SAPIC_START   0xfec00000UL
+#define IO_SAPIC_SIZE    0x100000
+#define PIB_START 0xfee00000UL
+#define PIB_SIZE 0x200000
+#define GFW_START        (4 * MEM_G - 16 * MEM_M)
+#define GFW_SIZE         (16 * MEM_M)
+
+/*Deliver mode, defined for ioapic.c*/
+#define dest_Fixed IOSAPIC_FIXED
+#define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
+
+#define NMI_VECTOR      		2
+#define ExtINT_VECTOR       		0
+#define NULL_VECTOR     		(-1)
+#define IA64_SPURIOUS_INT_VECTOR    	0x0f
+
+#define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
+
+/*
+ *Delivery mode
+ */
+#define SAPIC_DELIV_SHIFT      8
+#define SAPIC_FIXED            0x0
+#define SAPIC_LOWEST_PRIORITY  0x1
+#define SAPIC_PMI              0x2
+#define SAPIC_NMI              0x4
+#define SAPIC_INIT             0x5
+#define SAPIC_EXTINT           0x7
+
+/*
+ * vcpu->requests bit members for arch
+ */
+#define KVM_REQ_PTC_G		32
+#define KVM_REQ_RESUME		33
+
+struct kvm_mmio_req {
+	uint64_t addr;          /*  physical address		*/
+	uint64_t size;          /*  size in bytes		*/
+	uint64_t data;          /*  data (or paddr of data)     */
+	uint8_t state:4;
+	uint8_t dir:1;          /*  1=read, 0=write             */
+};
+
+/*Pal data struct */
+struct kvm_pal_call{
+	/*In area*/
+	uint64_t gr28;
+	uint64_t gr29;
+	uint64_t gr30;
+	uint64_t gr31;
+	/*Out area*/
+	struct ia64_pal_retval ret;
+};
+
+/* Sal data structure */
+struct kvm_sal_call{
+	/*In area*/
+	uint64_t in0;
+	uint64_t in1;
+	uint64_t in2;
+	uint64_t in3;
+	uint64_t in4;
+	uint64_t in5;
+	uint64_t in6;
+	uint64_t in7;
+	struct sal_ret_values ret;
+};
+
+/*Guest change rr6*/
+struct kvm_switch_rr6 {
+	uint64_t old_rr;
+	uint64_t new_rr;
+};
+
+union ia64_ipi_a{
+	unsigned long val;
+	struct {
+		unsigned long rv  : 3;
+		unsigned long ir  : 1;
+		unsigned long eid : 8;
+		unsigned long id  : 8;
+		unsigned long ib_base : 44;
+	};
+};
+
+union ia64_ipi_d {
+	unsigned long val;
+	struct {
+		unsigned long vector : 8;
+		unsigned long dm  : 3;
+		unsigned long ig  : 53;
+	};
+};
+
+/*ipi check exit data*/
+struct kvm_ipi_data{
+	union ia64_ipi_a addr;
+	union ia64_ipi_d data;
+};
+
+/*global purge data*/
+struct kvm_ptc_g {
+	unsigned long vaddr;
+	unsigned long rr;
+	unsigned long ps;
+	struct kvm_vcpu *vcpu;
+};
+
+/*Exit control data */
+struct exit_ctl_data{
+	uint32_t exit_reason;
+	uint32_t vm_status;
+	union {
+		struct kvm_mmio_req	ioreq;
+		struct kvm_pal_call	pal_data;
+		struct kvm_sal_call	sal_data;
+		struct kvm_switch_rr6	rr_data;
+		struct kvm_ipi_data	ipi_data;
+		struct kvm_ptc_g	ptc_g_data;
+	} u;
+};
+
+union pte_flags {
+	unsigned long val;
+	struct {
+		unsigned long p    :  1; /*0      */
+		unsigned long      :  1; /* 1     */
+		unsigned long ma   :  3; /* 2-4   */
+		unsigned long a    :  1; /* 5     */
+		unsigned long d    :  1; /* 6     */
+		unsigned long pl   :  2; /* 7-8   */
+		unsigned long ar   :  3; /* 9-11  */
+		unsigned long ppn  : 38; /* 12-49 */
+		unsigned long      :  2; /* 50-51 */
+		unsigned long ed   :  1; /* 52    */
+	};
+};
+
+union ia64_pta {
+	unsigned long val;
+	struct {
+		unsigned long ve : 1;
+		unsigned long reserved0 : 1;
+		unsigned long size : 6;
+		unsigned long vf : 1;
+		unsigned long reserved1 : 6;
+		unsigned long base : 49;
+	};
+};
+
+struct thash_cb {
+	/* THASH base information */
+	struct thash_data	*hash; /* hash table pointer */
+	union ia64_pta		pta;
+	int           num;
+};
+
+struct kvm_vcpu_stat {
+	u32 halt_wakeup;
+};
+
+struct kvm_vcpu_arch {
+	int launched;
+	int last_exit;
+	int last_run_cpu;
+	int vmm_tr_slot;
+	int vm_tr_slot;
+	int sn_rtc_tr_slot;
+
+#define KVM_MP_STATE_RUNNABLE          0
+#define KVM_MP_STATE_UNINITIALIZED     1
+#define KVM_MP_STATE_INIT_RECEIVED     2
+#define KVM_MP_STATE_HALTED            3
+	int mp_state;
+
+#define MAX_PTC_G_NUM			3
+	int ptc_g_count;
+	struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
+
+	/*halt timer to wake up sleepy vcpus*/
+	struct hrtimer hlt_timer;
+	long ht_active;
+
+	struct kvm_lapic *apic;    /* kernel irqchip context */
+	struct vpd *vpd;
+
+	/* Exit data for vmm_transition*/
+	struct exit_ctl_data exit_data;
+
+	cpumask_t cache_coherent_map;
+
+	unsigned long vmm_rr;
+	unsigned long host_rr6;
+	unsigned long psbits[8];
+	unsigned long cr_iipa;
+	unsigned long cr_isr;
+	unsigned long vsa_base;
+	unsigned long dirty_log_lock_pa;
+	unsigned long __gp;
+	/* TR and TC.  */
+	struct thash_data itrs[NITRS];
+	struct thash_data dtrs[NDTRS];
+	/* Bit is set if there is a tr/tc for the region.  */
+	unsigned char itr_regions;
+	unsigned char dtr_regions;
+	unsigned char tc_regions;
+	/* purge all */
+	unsigned long ptce_base;
+	unsigned long ptce_count[2];
+	unsigned long ptce_stride[2];
+	/* itc/itm */
+	unsigned long last_itc;
+	long itc_offset;
+	unsigned long itc_check;
+	unsigned long timer_check;
+	unsigned int timer_pending;
+	unsigned int timer_fired;
+
+	unsigned long vrr[8];
+	unsigned long ibr[8];
+	unsigned long dbr[8];
+	unsigned long insvc[4];		/* Interrupt in service.  */
+	unsigned long xtp;
+
+	unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+	unsigned long metaphysical_rr4;	/* from kvm_arch (so is pinned) */
+	unsigned long metaphysical_saved_rr0; /* from kvm_arch          */
+	unsigned long metaphysical_saved_rr4; /* from kvm_arch          */
+	unsigned long fp_psr;       /*used for lazy float register */
+	unsigned long saved_gp;
+	/*for phycial  emulation */
+	int mode_flags;
+	struct thash_cb vtlb;
+	struct thash_cb vhpt;
+	char irq_check;
+	char irq_new_pending;
+
+	unsigned long opcode;
+	unsigned long cause;
+	char log_buf[VMM_LOG_LEN];
+	union context host;
+	union context guest;
+
+	char mmio_data[8];
+};
+
+struct kvm_vm_stat {
+	u64 remote_tlb_flush;
+};
+
+struct kvm_sal_data {
+	unsigned long boot_ip;
+	unsigned long boot_gp;
+};
+
+struct kvm_arch_memory_slot {
+};
+
+struct kvm_arch {
+	spinlock_t dirty_log_lock;
+
+	unsigned long	vm_base;
+	unsigned long	metaphysical_rr0;
+	unsigned long	metaphysical_rr4;
+	unsigned long	vmm_init_rr;
+
+	int		is_sn2;
+
+	struct kvm_ioapic *vioapic;
+	struct kvm_vm_stat stat;
+	struct kvm_sal_data rdv_sal_data;
+
+	struct list_head assigned_dev_head;
+	struct iommu_domain *iommu_domain;
+	bool iommu_noncoherent;
+
+	unsigned long irq_sources_bitmap;
+	unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
+};
+
+union cpuid3_t {
+	u64 value;
+	struct {
+		u64 number : 8;
+		u64 revision : 8;
+		u64 model : 8;
+		u64 family : 8;
+		u64 archrev : 8;
+		u64 rv : 24;
+	};
+};
+
+struct kvm_pt_regs {
+	/* The following registers are saved by SAVE_MIN: */
+	unsigned long b6;  /* scratch */
+	unsigned long b7;  /* scratch */
+
+	unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
+	unsigned long ar_ssd; /* reserved for future use (scratch) */
+
+	unsigned long r8;  /* scratch (return value register 0) */
+	unsigned long r9;  /* scratch (return value register 1) */
+	unsigned long r10; /* scratch (return value register 2) */
+	unsigned long r11; /* scratch (return value register 3) */
+
+	unsigned long cr_ipsr; /* interrupted task's psr */
+	unsigned long cr_iip;  /* interrupted task's instruction pointer */
+	unsigned long cr_ifs;  /* interrupted task's function state */
+
+	unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
+	unsigned long ar_pfs;  /* prev function state  */
+	unsigned long ar_rsc;  /* RSE configuration */
+	/* The following two are valid only if cr_ipsr.cpl > 0: */
+	unsigned long ar_rnat;  /* RSE NaT */
+	unsigned long ar_bspstore; /* RSE bspstore */
+
+	unsigned long pr;  /* 64 predicate registers (1 bit each) */
+	unsigned long b0;  /* return pointer (bp) */
+	unsigned long loadrs;  /* size of dirty partition << 16 */
+
+	unsigned long r1;  /* the gp pointer */
+	unsigned long r12; /* interrupted task's memory stack pointer */
+	unsigned long r13; /* thread pointer */
+
+	unsigned long ar_fpsr;  /* floating point status (preserved) */
+	unsigned long r15;  /* scratch */
+
+	/* The remaining registers are NOT saved for system calls.  */
+	unsigned long r14;  /* scratch */
+	unsigned long r2;  /* scratch */
+	unsigned long r3;  /* scratch */
+	unsigned long r16;  /* scratch */
+	unsigned long r17;  /* scratch */
+	unsigned long r18;  /* scratch */
+	unsigned long r19;  /* scratch */
+	unsigned long r20;  /* scratch */
+	unsigned long r21;  /* scratch */
+	unsigned long r22;  /* scratch */
+	unsigned long r23;  /* scratch */
+	unsigned long r24;  /* scratch */
+	unsigned long r25;  /* scratch */
+	unsigned long r26;  /* scratch */
+	unsigned long r27;  /* scratch */
+	unsigned long r28;  /* scratch */
+	unsigned long r29;  /* scratch */
+	unsigned long r30;  /* scratch */
+	unsigned long r31;  /* scratch */
+	unsigned long ar_ccv;  /* compare/exchange value (scratch) */
+
+	/*
+	 * Floating point registers that the kernel considers scratch:
+	 */
+	struct ia64_fpreg f6;  /* scratch */
+	struct ia64_fpreg f7;  /* scratch */
+	struct ia64_fpreg f8;  /* scratch */
+	struct ia64_fpreg f9;  /* scratch */
+	struct ia64_fpreg f10;  /* scratch */
+	struct ia64_fpreg f11;  /* scratch */
+
+	unsigned long r4;  /* preserved */
+	unsigned long r5;  /* preserved */
+	unsigned long r6;  /* preserved */
+	unsigned long r7;  /* preserved */
+	unsigned long eml_unat;    /* used for emulating instruction */
+	unsigned long pad0;     /* alignment pad */
+};
+
+static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
+{
+	return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1;
+}
+
+typedef int kvm_vmm_entry(void);
+typedef void kvm_tramp_entry(union context *host, union context *guest);
+
+struct kvm_vmm_info{
+	struct module	*module;
+	kvm_vmm_entry 	*vmm_entry;
+	kvm_tramp_entry *tramp_entry;
+	unsigned long 	vmm_ivt;
+	unsigned long	patch_mov_ar;
+	unsigned long	patch_mov_ar_sn2;
+};
+
+int kvm_highest_pending_irq(struct kvm_vcpu *vcpu);
+int kvm_emulate_halt(struct kvm_vcpu *vcpu);
+int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+void kvm_sal_emul(struct kvm_vcpu *vcpu);
+
+#define __KVM_HAVE_ARCH_VM_ALLOC 1
+struct kvm *kvm_arch_alloc_vm(void);
+void kvm_arch_free_vm(struct kvm *kvm);
+
+static inline void kvm_arch_sync_events(struct kvm *kvm) {}
+static inline void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu) {}
+static inline void kvm_arch_free_memslot(struct kvm *kvm,
+		struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
+static inline void kvm_arch_memslots_updated(struct kvm *kvm) {}
+static inline void kvm_arch_commit_memory_region(struct kvm *kvm,
+		struct kvm_userspace_memory_region *mem,
+		const struct kvm_memory_slot *old,
+		enum kvm_mr_change change) {}
+static inline void kvm_arch_hardware_unsetup(void) {}
+
+#endif /* __ASSEMBLY__*/
+
+#endif

arch/ia64/include/asm/libata-portmap.h

@@ -0,0 +1,12 @@
+#ifndef __ASM_IA64_LIBATA_PORTMAP_H
+#define __ASM_IA64_LIBATA_PORTMAP_H
+
+#define ATA_PRIMARY_CMD		0x1F0
+#define ATA_PRIMARY_CTL		0x3F6
+#define ATA_PRIMARY_IRQ(dev)	isa_irq_to_vector(14)
+
+#define ATA_SECONDARY_CMD	0x170
+#define ATA_SECONDARY_CTL	0x376
+#define ATA_SECONDARY_IRQ(dev)	isa_irq_to_vector(15)
+
+#endif

arch/ia64/include/asm/linkage.h

@@ -0,0 +1,18 @@
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#ifndef __ASSEMBLY__
+
+#define asmlinkage CPP_ASMLINKAGE __attribute__((syscall_linkage))
+
+#else
+
+#include <asm/asmmacro.h>
+
+#endif
+
+#define cond_syscall(x) asm(".weak\t" #x "#\n" #x "#\t=\tsys_ni_syscall#")
+#define SYSCALL_ALIAS(alias, name)					\
+	asm ( #alias "# = " #name "#\n\t.globl " #alias "#")
+
+#endif

arch/ia64/include/asm/local.h

@@ -0,0 +1 @@
+#include <asm-generic/local.h>

arch/ia64/include/asm/local64.h

@@ -0,0 +1 @@
+#include <asm-generic/local64.h>

arch/ia64/include/asm/machvec.h

@@ -0,0 +1,367 @@
+/*
+ * Machine vector for IA-64.
+ *
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com>
+ * Copyright (C) Vijay Chander <vijay@engr.sgi.com>
+ * Copyright (C) 1999-2001, 2003-2004 Hewlett-Packard Co.
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef _ASM_IA64_MACHVEC_H
+#define _ASM_IA64_MACHVEC_H
+
+#include <linux/types.h>
+
+/* forward declarations: */
+struct device;
+struct pt_regs;
+struct scatterlist;
+struct page;
+struct mm_struct;
+struct pci_bus;
+struct task_struct;
+struct pci_dev;
+struct msi_desc;
+struct dma_attrs;
+
+typedef void ia64_mv_setup_t (char **);
+typedef void ia64_mv_cpu_init_t (void);
+typedef void ia64_mv_irq_init_t (void);
+typedef void ia64_mv_send_ipi_t (int, int, int, int);
+typedef void ia64_mv_timer_interrupt_t (int, void *);
+typedef void ia64_mv_global_tlb_purge_t (struct mm_struct *, unsigned long, unsigned long, unsigned long);
+typedef void ia64_mv_tlb_migrate_finish_t (struct mm_struct *);
+typedef u8 ia64_mv_irq_to_vector (int);
+typedef unsigned int ia64_mv_local_vector_to_irq (u8);
+typedef char *ia64_mv_pci_get_legacy_mem_t (struct pci_bus *);
+typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
+				       u8 size);
+typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
+					u8 size);
+typedef void ia64_mv_migrate_t(struct task_struct * task);
+typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
+typedef void ia64_mv_kernel_launch_event_t(void);
+
+/* DMA-mapping interface: */
+typedef void ia64_mv_dma_init (void);
+typedef u64 ia64_mv_dma_get_required_mask (struct device *);
+typedef struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
+
+/*
+ * WARNING: The legacy I/O space is _architected_.  Platforms are
+ * expected to follow this architected model (see Section 10.7 in the
+ * IA-64 Architecture Software Developer's Manual).  Unfortunately,
+ * some broken machines do not follow that model, which is why we have
+ * to make the inX/outX operations part of the machine vector.
+ * Platform designers should follow the architected model whenever
+ * possible.
+ */
+typedef unsigned int ia64_mv_inb_t (unsigned long);
+typedef unsigned int ia64_mv_inw_t (unsigned long);
+typedef unsigned int ia64_mv_inl_t (unsigned long);
+typedef void ia64_mv_outb_t (unsigned char, unsigned long);
+typedef void ia64_mv_outw_t (unsigned short, unsigned long);
+typedef void ia64_mv_outl_t (unsigned int, unsigned long);
+typedef void ia64_mv_mmiowb_t (void);
+typedef unsigned char ia64_mv_readb_t (const volatile void __iomem *);
+typedef unsigned short ia64_mv_readw_t (const volatile void __iomem *);
+typedef unsigned int ia64_mv_readl_t (const volatile void __iomem *);
+typedef unsigned long ia64_mv_readq_t (const volatile void __iomem *);
+typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
+typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
+typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
+typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
+
+typedef int ia64_mv_setup_msi_irq_t (struct pci_dev *pdev, struct msi_desc *);
+typedef void ia64_mv_teardown_msi_irq_t (unsigned int irq);
+
+static inline void
+machvec_noop (void)
+{
+}
+
+static inline void
+machvec_noop_mm (struct mm_struct *mm)
+{
+}
+
+static inline void
+machvec_noop_task (struct task_struct *task)
+{
+}
+
+static inline void
+machvec_noop_bus (struct pci_bus *bus)
+{
+}
+
+extern void machvec_setup (char **);
+extern void machvec_timer_interrupt (int, void *);
+extern void machvec_tlb_migrate_finish (struct mm_struct *);
+
+# if defined (CONFIG_IA64_HP_SIM)
+#  include <asm/machvec_hpsim.h>
+# elif defined (CONFIG_IA64_DIG)
+#  include <asm/machvec_dig.h>
+# elif defined(CONFIG_IA64_DIG_VTD)
+#  include <asm/machvec_dig_vtd.h>
+# elif defined (CONFIG_IA64_HP_ZX1)
+#  include <asm/machvec_hpzx1.h>
+# elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
+#  include <asm/machvec_hpzx1_swiotlb.h>
+# elif defined (CONFIG_IA64_SGI_SN2)
+#  include <asm/machvec_sn2.h>
+# elif defined (CONFIG_IA64_SGI_UV)
+#  include <asm/machvec_uv.h>
+# elif defined (CONFIG_IA64_GENERIC)
+
+# ifdef MACHVEC_PLATFORM_HEADER
+#  include MACHVEC_PLATFORM_HEADER
+# else
+#  define ia64_platform_name	ia64_mv.name
+#  define platform_setup	ia64_mv.setup
+#  define platform_cpu_init	ia64_mv.cpu_init
+#  define platform_irq_init	ia64_mv.irq_init
+#  define platform_send_ipi	ia64_mv.send_ipi
+#  define platform_timer_interrupt	ia64_mv.timer_interrupt
+#  define platform_global_tlb_purge	ia64_mv.global_tlb_purge
+#  define platform_tlb_migrate_finish	ia64_mv.tlb_migrate_finish
+#  define platform_dma_init		ia64_mv.dma_init
+#  define platform_dma_get_required_mask ia64_mv.dma_get_required_mask
+#  define platform_dma_get_ops		ia64_mv.dma_get_ops
+#  define platform_irq_to_vector	ia64_mv.irq_to_vector
+#  define platform_local_vector_to_irq	ia64_mv.local_vector_to_irq
+#  define platform_pci_get_legacy_mem	ia64_mv.pci_get_legacy_mem
+#  define platform_pci_legacy_read	ia64_mv.pci_legacy_read
+#  define platform_pci_legacy_write	ia64_mv.pci_legacy_write
+#  define platform_inb		ia64_mv.inb
+#  define platform_inw		ia64_mv.inw
+#  define platform_inl		ia64_mv.inl
+#  define platform_outb		ia64_mv.outb
+#  define platform_outw		ia64_mv.outw
+#  define platform_outl		ia64_mv.outl
+#  define platform_mmiowb	ia64_mv.mmiowb
+#  define platform_readb        ia64_mv.readb
+#  define platform_readw        ia64_mv.readw
+#  define platform_readl        ia64_mv.readl
+#  define platform_readq        ia64_mv.readq
+#  define platform_readb_relaxed        ia64_mv.readb_relaxed
+#  define platform_readw_relaxed        ia64_mv.readw_relaxed
+#  define platform_readl_relaxed        ia64_mv.readl_relaxed
+#  define platform_readq_relaxed        ia64_mv.readq_relaxed
+#  define platform_migrate		ia64_mv.migrate
+#  define platform_setup_msi_irq	ia64_mv.setup_msi_irq
+#  define platform_teardown_msi_irq	ia64_mv.teardown_msi_irq
+#  define platform_pci_fixup_bus	ia64_mv.pci_fixup_bus
+#  define platform_kernel_launch_event	ia64_mv.kernel_launch_event
+# endif
+
+/* __attribute__((__aligned__(16))) is required to make size of the
+ * structure multiple of 16 bytes.
+ * This will fillup the holes created because of section 3.3.1 in
+ * Software Conventions guide.
+ */
+struct ia64_machine_vector {
+	const char *name;
+	ia64_mv_setup_t *setup;
+	ia64_mv_cpu_init_t *cpu_init;
+	ia64_mv_irq_init_t *irq_init;
+	ia64_mv_send_ipi_t *send_ipi;
+	ia64_mv_timer_interrupt_t *timer_interrupt;
+	ia64_mv_global_tlb_purge_t *global_tlb_purge;
+	ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish;
+	ia64_mv_dma_init *dma_init;
+	ia64_mv_dma_get_required_mask *dma_get_required_mask;
+	ia64_mv_dma_get_ops *dma_get_ops;
+	ia64_mv_irq_to_vector *irq_to_vector;
+	ia64_mv_local_vector_to_irq *local_vector_to_irq;
+	ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
+	ia64_mv_pci_legacy_read_t *pci_legacy_read;
+	ia64_mv_pci_legacy_write_t *pci_legacy_write;
+	ia64_mv_inb_t *inb;
+	ia64_mv_inw_t *inw;
+	ia64_mv_inl_t *inl;
+	ia64_mv_outb_t *outb;
+	ia64_mv_outw_t *outw;
+	ia64_mv_outl_t *outl;
+	ia64_mv_mmiowb_t *mmiowb;
+	ia64_mv_readb_t *readb;
+	ia64_mv_readw_t *readw;
+	ia64_mv_readl_t *readl;
+	ia64_mv_readq_t *readq;
+	ia64_mv_readb_relaxed_t *readb_relaxed;
+	ia64_mv_readw_relaxed_t *readw_relaxed;
+	ia64_mv_readl_relaxed_t *readl_relaxed;
+	ia64_mv_readq_relaxed_t *readq_relaxed;
+	ia64_mv_migrate_t *migrate;
+	ia64_mv_setup_msi_irq_t *setup_msi_irq;
+	ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
+	ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
+	ia64_mv_kernel_launch_event_t *kernel_launch_event;
+} __attribute__((__aligned__(16))); /* align attrib? see above comment */
+
+#define MACHVEC_INIT(name)			\
+{						\
+	#name,					\
+	platform_setup,				\
+	platform_cpu_init,			\
+	platform_irq_init,			\
+	platform_send_ipi,			\
+	platform_timer_interrupt,		\
+	platform_global_tlb_purge,		\
+	platform_tlb_migrate_finish,		\
+	platform_dma_init,			\
+	platform_dma_get_required_mask,		\
+	platform_dma_get_ops,			\
+	platform_irq_to_vector,			\
+	platform_local_vector_to_irq,		\
+	platform_pci_get_legacy_mem,		\
+	platform_pci_legacy_read,		\
+	platform_pci_legacy_write,		\
+	platform_inb,				\
+	platform_inw,				\
+	platform_inl,				\
+	platform_outb,				\
+	platform_outw,				\
+	platform_outl,				\
+	platform_mmiowb,			\
+	platform_readb,				\
+	platform_readw,				\
+	platform_readl,				\
+	platform_readq,				\
+	platform_readb_relaxed,			\
+	platform_readw_relaxed,			\
+	platform_readl_relaxed,			\
+	platform_readq_relaxed,			\
+	platform_migrate,			\
+	platform_setup_msi_irq,			\
+	platform_teardown_msi_irq,		\
+	platform_pci_fixup_bus,			\
+	platform_kernel_launch_event            \
+}
+
+extern struct ia64_machine_vector ia64_mv;
+extern void machvec_init (const char *name);
+extern void machvec_init_from_cmdline(const char *cmdline);
+
+# else
+#  error Unknown configuration.  Update arch/ia64/include/asm/machvec.h.
+# endif /* CONFIG_IA64_GENERIC */
+
+extern void swiotlb_dma_init(void);
+extern struct dma_map_ops *dma_get_ops(struct device *);
+
+/*
+ * Define default versions so we can extend machvec for new platforms without having
+ * to update the machvec files for all existing platforms.
+ */
+#ifndef platform_setup
+# define platform_setup			machvec_setup
+#endif
+#ifndef platform_cpu_init
+# define platform_cpu_init		machvec_noop
+#endif
+#ifndef platform_irq_init
+# define platform_irq_init		machvec_noop
+#endif
+
+#ifndef platform_send_ipi
+# define platform_send_ipi		ia64_send_ipi	/* default to architected version */
+#endif
+#ifndef platform_timer_interrupt
+# define platform_timer_interrupt 	machvec_timer_interrupt
+#endif
+#ifndef platform_global_tlb_purge
+# define platform_global_tlb_purge	ia64_global_tlb_purge /* default to architected version */
+#endif
+#ifndef platform_tlb_migrate_finish
+# define platform_tlb_migrate_finish	machvec_noop_mm
+#endif
+#ifndef platform_kernel_launch_event
+# define platform_kernel_launch_event	machvec_noop
+#endif
+#ifndef platform_dma_init
+# define platform_dma_init		swiotlb_dma_init
+#endif
+#ifndef platform_dma_get_ops
+# define platform_dma_get_ops		dma_get_ops
+#endif
+#ifndef platform_dma_get_required_mask
+# define  platform_dma_get_required_mask	ia64_dma_get_required_mask
+#endif
+#ifndef platform_irq_to_vector
+# define platform_irq_to_vector		__ia64_irq_to_vector
+#endif
+#ifndef platform_local_vector_to_irq
+# define platform_local_vector_to_irq	__ia64_local_vector_to_irq
+#endif
+#ifndef platform_pci_get_legacy_mem
+# define platform_pci_get_legacy_mem	ia64_pci_get_legacy_mem
+#endif
+#ifndef platform_pci_legacy_read
+# define platform_pci_legacy_read	ia64_pci_legacy_read
+extern int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
+#endif
+#ifndef platform_pci_legacy_write
+# define platform_pci_legacy_write	ia64_pci_legacy_write
+extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
+#endif
+#ifndef platform_inb
+# define platform_inb		__ia64_inb
+#endif
+#ifndef platform_inw
+# define platform_inw		__ia64_inw
+#endif
+#ifndef platform_inl
+# define platform_inl		__ia64_inl
+#endif
+#ifndef platform_outb
+# define platform_outb		__ia64_outb
+#endif
+#ifndef platform_outw
+# define platform_outw		__ia64_outw
+#endif
+#ifndef platform_outl
+# define platform_outl		__ia64_outl
+#endif
+#ifndef platform_mmiowb
+# define platform_mmiowb	__ia64_mmiowb
+#endif
+#ifndef platform_readb
+# define platform_readb		__ia64_readb
+#endif
+#ifndef platform_readw
+# define platform_readw		__ia64_readw
+#endif
+#ifndef platform_readl
+# define platform_readl		__ia64_readl
+#endif
+#ifndef platform_readq
+# define platform_readq		__ia64_readq
+#endif
+#ifndef platform_readb_relaxed
+# define platform_readb_relaxed	__ia64_readb_relaxed
+#endif
+#ifndef platform_readw_relaxed
+# define platform_readw_relaxed	__ia64_readw_relaxed
+#endif
+#ifndef platform_readl_relaxed
+# define platform_readl_relaxed	__ia64_readl_relaxed
+#endif
+#ifndef platform_readq_relaxed
+# define platform_readq_relaxed	__ia64_readq_relaxed
+#endif
+#ifndef platform_migrate
+# define platform_migrate machvec_noop_task
+#endif
+#ifndef platform_setup_msi_irq
+# define platform_setup_msi_irq		((ia64_mv_setup_msi_irq_t*)NULL)
+#endif
+#ifndef platform_teardown_msi_irq
+# define platform_teardown_msi_irq	((ia64_mv_teardown_msi_irq_t*)NULL)
+#endif
+#ifndef platform_pci_fixup_bus
+# define platform_pci_fixup_bus	machvec_noop_bus
+#endif
+
+#endif /* _ASM_IA64_MACHVEC_H */

arch/ia64/include/asm/machvec_dig.h

@@ -0,0 +1,16 @@
+#ifndef _ASM_IA64_MACHVEC_DIG_h
+#define _ASM_IA64_MACHVEC_DIG_h
+
+extern ia64_mv_setup_t dig_setup;
+
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define ia64_platform_name	"dig"
+#define platform_setup		dig_setup
+
+#endif /* _ASM_IA64_MACHVEC_DIG_h */

arch/ia64/include/asm/machvec_dig_vtd.h

@@ -0,0 +1,18 @@
+#ifndef _ASM_IA64_MACHVEC_DIG_VTD_h
+#define _ASM_IA64_MACHVEC_DIG_VTD_h
+
+extern ia64_mv_setup_t			dig_setup;
+extern ia64_mv_dma_init			pci_iommu_alloc;
+
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define ia64_platform_name			"dig_vtd"
+#define platform_setup				dig_setup
+#define platform_dma_init			pci_iommu_alloc
+
+#endif /* _ASM_IA64_MACHVEC_DIG_VTD_h */

arch/ia64/include/asm/machvec_hpsim.h

@@ -0,0 +1,18 @@
+#ifndef _ASM_IA64_MACHVEC_HPSIM_h
+#define _ASM_IA64_MACHVEC_HPSIM_h
+
+extern ia64_mv_setup_t hpsim_setup;
+extern ia64_mv_irq_init_t hpsim_irq_init;
+
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define ia64_platform_name	"hpsim"
+#define platform_setup		hpsim_setup
+#define platform_irq_init	hpsim_irq_init
+
+#endif /* _ASM_IA64_MACHVEC_HPSIM_h */