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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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34
arch/arm/mach-iop33x/include/mach/entry-macro.S Normal file
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/*
* arch/arm/mach-iop33x/include/mach/entry-macro.S
*
* Low-level IRQ helper macros for IOP33x-based platforms
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <mach/iop33x.h>
.macro get_irqnr_preamble, base, tmp
mrc p15, 0, \tmp, c15, c1, 0
orr \tmp, \tmp, #(1 << 6)
mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access
mrc p15, 0, \tmp, c15, c1, 0
mov \tmp, \tmp
sub pc, pc, #4 @ cp_wait
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
mrc p6, 0, \irqstat, c14, c0, 0 @ Read IINTVEC
cmp \irqstat, #0
mrceq p6, 0, \irqstat, c14, c0, 0 @ erratum 63 workaround
adds \irqnr, \irqstat, #1
movne \irqnr, \irqstat, lsr #2
.endm
.macro arch_ret_to_user, tmp1, tmp2
mrc p15, 0, \tmp1, c15, c1, 0
ands \tmp2, \tmp1, #(1 << 6)
bicne \tmp1, \tmp1, #(1 << 6)
mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access
.endm