drc: revive x86 dynarec, support x86-64

This commit is contained in:
notaz 2017-12-11 02:53:17 +02:00
parent 91be5ebd10
commit 898d51a7fd
10 changed files with 285 additions and 123 deletions

View file

@ -44,6 +44,9 @@ asm_mix ?= 1
else # if not arm
use_fame ?= 1
use_cz80 ?= 1
ifneq (,$(findstring 86,$(ARCH)))
use_sh2drc ?= 1
endif
endif
-include Makefile.local
@ -221,8 +224,9 @@ pico/carthw_cfg.c: pico/carthw.cfg
tools/make_carthw_c $< $@
# random deps
pico/carthw/svp/compiler.o : cpu/drc/emit_$(ARCH).c
cpu/sh2/compiler.o : cpu/drc/emit_$(ARCH).c
pico/carthw/svp/compiler.o : cpu/drc/emit_arm.c
cpu/sh2/compiler.o : cpu/drc/emit_arm.c
cpu/sh2/compiler.o : cpu/drc/emit_x86.c
cpu/sh2/mame/sh2pico.o : cpu/sh2/mame/sh2.c
pico/pico.o pico/cd/mcd.o pico/32x/32x.o : pico/pico_cmn.c pico/pico_int.h
pico/memory.o pico/cd/memory.o pico/32x/memory.o : pico/pico_int.h pico/memory.h

View file

@ -52,6 +52,7 @@ ifeq ($(platform), unix)
SHARED := -shared
DONT_COMPILE_IN_ZLIB = 1
CFLAGS += -DFAMEC_NO_GOTOS
use_sh2drc = 1
# Portable Linux
else ifeq ($(platform), linux-portable)
@ -62,6 +63,7 @@ else ifeq ($(platform), linux-portable)
LIBM :=
DONT_COMPILE_IN_ZLIB = 1
CFLAGS += -DFAMEC_NO_GOTOS
use_sh2drc = 1
# OS X
else ifeq ($(platform), osx)

View file

@ -1,7 +1,9 @@
typedef unsigned char u8;
typedef signed char s8;
typedef unsigned short u16;
typedef signed short s16;
typedef unsigned int u32;
typedef signed int s32;
#define DRC_TCACHE_SIZE (2*1024*1024)

View file

@ -6,6 +6,7 @@
* See COPYING file in the top-level directory.
*/
#define CONTEXT_REG 11
#define RET_REG 0
// XXX: tcache_ptr type for SVP and SH2 compilers differs..
#define EMIT_PTR(ptr, x) \
@ -369,6 +370,9 @@ static int emith_xbranch(int cond, void *target, int is_call)
#define EMITH_NOTHING1(cond) \
(void)(cond)
#define EMITH_SJMP_DECL_()
#define EMITH_SJMP_START_(cond) EMITH_NOTHING1(cond)
#define EMITH_SJMP_END_(cond) EMITH_NOTHING1(cond)
#define EMITH_SJMP_START(cond) EMITH_NOTHING1(cond)
#define EMITH_SJMP_END(cond) EMITH_NOTHING1(cond)
#define EMITH_SJMP3_START(cond) EMITH_NOTHING1(cond)
@ -378,6 +382,9 @@ static int emith_xbranch(int cond, void *target, int is_call)
#define emith_move_r_r(d, s) \
EOP_MOV_REG_SIMPLE(d, s)
#define emith_move_r_r_ptr(d, s) \
emith_move_r_r(d, s)
#define emith_mvn_r_r(d, s) \
EOP_MVN_REG(A_COND_AL,0,d,s,A_AM1_LSL,0)
@ -521,6 +528,9 @@ static int emith_xbranch(int cond, void *target, int is_call)
#define emith_add_r_r_imm(d, s, imm) \
emith_op_imm2(A_COND_AL, 0, A_OP_ADD, d, s, imm)
#define emith_add_r_r_ptr_imm(d, s, imm) \
emith_add_r_r_imm(d, s, imm)
#define emith_sub_r_r_imm(d, s, imm) \
emith_op_imm2(A_COND_AL, 0, A_OP_SUB, d, s, imm)
@ -611,6 +621,9 @@ static int emith_xbranch(int cond, void *target, int is_call)
#define emith_ctx_read(r, offs) \
emith_read_r_r_offs(r, CONTEXT_REG, offs)
#define emith_ctx_read_ptr(r, offs) \
emith_ctx_read(r, offs)
#define emith_ctx_write(r, offs) \
EOP_STR_IMM(r, CONTEXT_REG, offs)

View file

@ -16,6 +16,7 @@
enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define CONTEXT_REG xBP
#define RET_REG xAX
#define ICOND_JO 0x00
#define ICOND_JNO 0x01
@ -53,15 +54,15 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define EMIT_PTR(ptr, val, type) \
*(type *)(ptr) = val
#define EMIT(val, type) { \
#define EMIT(val, type) do { \
EMIT_PTR(tcache_ptr, val, type); \
tcache_ptr += sizeof(type); \
}
} while (0)
#define EMIT_OP(op) { \
#define EMIT_OP(op) do { \
COUNT_OP; \
EMIT(op, u8); \
}
} while (0)
#define EMIT_MODRM(mod,r,rm) \
EMIT(((mod)<<6) | ((r)<<3) | (rm), u8)
@ -69,6 +70,9 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define EMIT_SIB(scale,index,base) \
EMIT(((scale)<<6) | ((index)<<3) | (base), u8)
#define EMIT_REX(w,r,x,b) \
EMIT(0x40 | ((w)<<3) | ((r)<<2) | ((x)<<1) | (b), u8)
#define EMIT_OP_MODRM(op,mod,r,rm) do { \
EMIT_OP(op); \
EMIT_MODRM(mod, r, rm); \
@ -90,6 +94,11 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_move_r_r(dst, src) \
EMIT_OP_MODRM(0x8b, 3, dst, src)
#define emith_move_r_r_ptr(dst, src) do { \
EMIT_REX_FOR_PTR(); \
EMIT_OP_MODRM(0x8b, 3, dst, src); \
} while (0)
#define emith_add_r_r(d, s) \
EMIT_OP_MODRM(0x01, 3, s, d)
@ -118,34 +127,34 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
EMIT_OP_MODRM(0x39, 3, s, d)
// fake teq - test equivalence - get_flags(d ^ s)
#define emith_teq_r_r(d, s) { \
#define emith_teq_r_r(d, s) do { \
emith_push(d); \
emith_eor_r_r(d, s); \
emith_pop(d); \
}
} while (0)
#define emith_mvn_r_r(d, s) { \
#define emith_mvn_r_r(d, s) do { \
if (d != s) \
emith_move_r_r(d, s); \
EMIT_OP_MODRM(0xf7, 3, 2, d); /* NOT d */ \
}
} while (0)
#define emith_negc_r_r(d, s) { \
#define emith_negc_r_r(d, s) do { \
int tmp_ = rcache_get_tmp(); \
emith_move_r_imm(tmp_, 0); \
emith_sbc_r_r(tmp_, s); \
emith_move_r_r(d, tmp_); \
rcache_free_tmp(tmp_); \
}
} while (0)
#define emith_neg_r_r(d, s) { \
#define emith_neg_r_r(d, s) do { \
if (d != s) \
emith_move_r_r(d, s); \
EMIT_OP_MODRM(0xf7, 3, 3, d); /* NEG d */ \
}
} while (0)
// _r_r_r
#define emith_add_r_r_r(d, s1, s2) { \
#define emith_add_r_r_r(d, s1, s2) do { \
if (d == s1) { \
emith_add_r_r(d, s2); \
} else if (d == s2) { \
@ -154,9 +163,9 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_move_r_r(d, s1); \
emith_add_r_r(d, s2); \
} \
}
} while (0)
#define emith_eor_r_r_r(d, s1, s2) { \
#define emith_eor_r_r_r(d, s1, s2) do { \
if (d == s1) { \
emith_eor_r_r(d, s2); \
} else if (d == s2) { \
@ -165,29 +174,29 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_move_r_r(d, s1); \
emith_eor_r_r(d, s2); \
} \
}
} while (0)
// _r_r_shift
#define emith_or_r_r_lsl(d, s, lslimm) { \
#define emith_or_r_r_lsl(d, s, lslimm) do { \
int tmp_ = rcache_get_tmp(); \
emith_lsl(tmp_, s, lslimm); \
emith_or_r_r(d, tmp_); \
rcache_free_tmp(tmp_); \
}
} while (0)
// d != s
#define emith_eor_r_r_lsr(d, s, lsrimm) { \
#define emith_eor_r_r_lsr(d, s, lsrimm) do { \
emith_push(s); \
emith_lsr(s, s, lsrimm); \
emith_eor_r_r(d, s); \
emith_pop(s); \
}
} while (0)
// _r_imm
#define emith_move_r_imm(r, imm) { \
#define emith_move_r_imm(r, imm) do { \
EMIT_OP(0xb8 + (r)); \
EMIT(imm, u32); \
}
} while (0)
#define emith_move_r_imm_s8(r, imm) \
emith_move_r_imm(r, (u32)(signed int)(signed char)(imm))
@ -212,7 +221,14 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_and_r_imm(r, imm) \
emith_arith_r_imm(4, r, imm)
#define emith_sub_r_imm(r, imm) \
/* used for sub cycles after test, so retain flags with lea */
#define emith_sub_r_imm(r, imm) do { \
assert(r != xSP); \
EMIT_OP_MODRM(0x8d, 2, r, r); \
EMIT(-(s32)(imm), s32); \
} while (0)
#define emith_subf_r_imm(r, imm) \
emith_arith_r_imm(5, r, imm)
#define emith_eor_r_imm(r, imm) \
@ -231,20 +247,20 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_arith_r_imm(4, r, ~(imm))
// fake conditionals (using SJMP instead)
#define emith_move_r_imm_c(cond, r, imm) { \
#define emith_move_r_imm_c(cond, r, imm) do { \
(void)(cond); \
emith_move_r_imm(r, imm); \
}
} while (0)
#define emith_add_r_imm_c(cond, r, imm) { \
#define emith_add_r_imm_c(cond, r, imm) do { \
(void)(cond); \
emith_add_r_imm(r, imm); \
}
} while (0)
#define emith_sub_r_imm_c(cond, r, imm) { \
#define emith_sub_r_imm_c(cond, r, imm) do { \
(void)(cond); \
emith_sub_r_imm(r, imm); \
}
} while (0)
#define emith_or_r_imm_c(cond, r, imm) \
emith_or_r_imm(r, imm)
@ -274,26 +290,40 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_ret_c(cond) \
emith_ret()
// _r_r_imm
#define emith_add_r_r_imm(d, s, imm) { \
if (d != s) \
emith_move_r_r(d, s); \
emith_add_r_imm(d, imm); \
}
// _r_r_imm - use lea
#define emith_add_r_r_imm(d, s, imm) do { \
assert(s != xSP); \
EMIT_OP_MODRM(0x8d, 2, d, s); /* lea */ \
EMIT(imm, s32); \
} while (0)
#define emith_and_r_r_imm(d, s, imm) { \
#define emith_add_r_r_ptr_imm(d, s, imm) do { \
if (s != xSP) { \
EMIT_REX_FOR_PTR(); \
EMIT_OP_MODRM(0x8d, 2, d, s); /* lea */ \
} \
else { \
if (d != s) \
emith_move_r_r_ptr(d, s); \
EMIT_REX_FOR_PTR(); \
EMIT_OP_MODRM(0x81, 3, 0, d); /* add */ \
} \
EMIT(imm, s32); \
} while (0)
#define emith_and_r_r_imm(d, s, imm) do { \
if (d != s) \
emith_move_r_r(d, s); \
emith_and_r_imm(d, imm); \
}
} while (0)
// shift
#define emith_shift(op, d, s, cnt) { \
#define emith_shift(op, d, s, cnt) do { \
if (d != s) \
emith_move_r_r(d, s); \
EMIT_OP_MODRM(0xc1, 3, op, d); \
EMIT(cnt, u8); \
}
} while (0)
#define emith_lsl(d, s, cnt) \
emith_shift(4, d, s, cnt)
@ -320,10 +350,10 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_push(r) \
EMIT_OP(0x50 + (r))
#define emith_push_imm(imm) { \
#define emith_push_imm(imm) do { \
EMIT_OP(0x68); \
EMIT(imm, u32); \
}
} while (0)
#define emith_pop(r) \
EMIT_OP(0x58 + (r))
@ -349,13 +379,14 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_asr(d, d, 32 - (bits)); \
}
#define emith_setc(r) { \
#define emith_setc(r) do { \
assert(is_abcdx(r)); \
EMIT_OP(0x0f); \
EMIT_OP_MODRM(0x92, 3, 0, r); /* SETC r */ \
}
} while (0)
// XXX: stupid mess
#define emith_mul_(op, dlo, dhi, s1, s2) { \
#define emith_mul_(op, dlo, dhi, s1, s2) do { \
int rmr; \
if (dlo != xAX && dhi != xAX) \
emith_push(xAX); \
@ -381,7 +412,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_pop(xDX); \
if (dlo != xAX && dhi != xAX) \
emith_pop(xAX); \
}
} while (0)
#define emith_mul_u64(dlo, dhi, s1, s2) \
emith_mul_(4, dlo, dhi, s1, s2) /* MUL */
@ -393,20 +424,19 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_mul_(4, d, -1, s1, s2)
// (dlo,dhi) += signed(s1) * signed(s2)
#define emith_mula_s64(dlo, dhi, s1, s2) { \
#define emith_mula_s64(dlo, dhi, s1, s2) do { \
emith_push(dhi); \
emith_push(dlo); \
emith_mul_(5, dlo, dhi, s1, s2); \
EMIT_OP_MODRM(0x03, 0, dlo, 4); \
EMIT_SIB(0, 4, 4); /* add dlo, [esp] */ \
EMIT_SIB(0, 4, 4); /* add dlo, [xsp] */ \
EMIT_OP_MODRM(0x13, 1, dhi, 4); \
EMIT_SIB(0, 4, 4); \
EMIT(4, u8); /* adc dhi, [esp+4] */ \
emith_add_r_imm(xSP, 4*2); \
}
EMIT(sizeof(void *), u8); /* adc dhi, [xsp+{4,8}] */ \
emith_add_r_r_ptr_imm(xSP, xSP, sizeof(void *) * 2); \
} while (0)
// "flag" instructions are the same
#define emith_subf_r_imm emith_sub_r_imm
#define emith_addf_r_r emith_add_r_r
#define emith_subf_r_r emith_sub_r_r
#define emith_adcf_r_r emith_adc_r_r
@ -464,19 +494,24 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
rcache_free_tmp(r_); \
} while (0)
#define emith_read16_r_r_offs(r, rs, offs) { \
#define emith_read16_r_r_offs(r, rs, offs) do { \
EMIT(0x66, u8); /* operand override */ \
emith_read_r_r_offs(r, rs, offs); \
}
} while (0)
#define emith_write16_r_r_offs(r, rs, offs) { \
#define emith_write16_r_r_offs(r, rs, offs) do { \
EMIT(0x66, u8); \
emith_write_r_r_offs(r, rs, offs); \
}
} while (0)
#define emith_ctx_read(r, offs) \
emith_read_r_r_offs(r, CONTEXT_REG, offs)
#define emith_ctx_read_ptr(r, offs) do { \
EMIT_REX_FOR_PTR(); \
emith_deref_op(0x8b, r, CONTEXT_REG, offs); \
} while (0)
#define emith_ctx_write(r, offs) \
emith_write_r_r_offs(r, CONTEXT_REG, offs)
@ -499,7 +534,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
}
#define emith_jump(ptr) { \
u32 disp = (u32)(ptr) - ((u32)tcache_ptr + 5); \
u32 disp = (u8 *)(ptr) - ((u8 *)tcache_ptr + 5); \
EMIT_OP(0xe9); \
EMIT(disp, u32); \
}
@ -507,30 +542,30 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_jump_patchable(target) \
emith_jump(target)
#define emith_jump_cond(cond, ptr) { \
u32 disp = (u32)(ptr) - ((u32)tcache_ptr + 6); \
#define emith_jump_cond(cond, ptr) do { \
u32 disp = (u8 *)(ptr) - ((u8 *)tcache_ptr + 6); \
EMIT(0x0f, u8); \
EMIT_OP(0x80 | (cond)); \
EMIT(disp, u32); \
}
} while (0)
#define emith_jump_cond_patchable(cond, target) \
emith_jump_cond(cond, target)
#define emith_jump_patch(ptr, target) do { \
u32 disp_ = (u32)(target) - ((u32)(ptr) + 4); \
u32 disp_ = (u8 *)(target) - ((u8 *)(ptr) + 4); \
u32 offs_ = (*(u8 *)(ptr) == 0x0f) ? 2 : 1; \
EMIT_PTR((u8 *)(ptr) + offs_, disp_ - offs_, u32); \
} while (0)
#define emith_jump_at(ptr, target) { \
u32 disp_ = (u32)(target) - ((u32)(ptr) + 5); \
u32 disp_ = (u8 *)(target) - ((u8 *)(ptr) + 5); \
EMIT_PTR(ptr, 0xe9, u8); \
EMIT_PTR((u8 *)(ptr) + 1, disp_, u32); \
}
#define emith_call(ptr) { \
u32 disp = (u32)(ptr) - ((u32)tcache_ptr + 5); \
u32 disp = (u8 *)(ptr) - ((u8 *)tcache_ptr + 5); \
EMIT_OP(0xe8); \
EMIT(disp, u32); \
}
@ -541,10 +576,10 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_call_reg(r) \
EMIT_OP_MODRM(0xff, 3, 2, r)
#define emith_call_ctx(offs) { \
#define emith_call_ctx(offs) do { \
EMIT_OP_MODRM(0xff, 2, 2, CONTEXT_REG); \
EMIT(offs, u32); \
}
} while (0)
#define emith_ret() \
EMIT_OP(0xc3)
@ -552,10 +587,10 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define emith_jump_reg(r) \
EMIT_OP_MODRM(0xff, 3, 4, r)
#define emith_jump_ctx(offs) { \
#define emith_jump_ctx(offs) do { \
EMIT_OP_MODRM(0xff, 2, 4, CONTEXT_REG); \
EMIT(offs, u32); \
}
} while (0)
#define emith_push_ret()
@ -584,6 +619,15 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
// "simple" jump (no more then a few insns)
// ARM will use conditional instructions here
#define EMITH_SJMP_DECL_() \
u8 *cond_ptr
#define EMITH_SJMP_START_(cond) \
JMP8_POS(cond_ptr)
#define EMITH_SJMP_END_(cond) \
JMP8_EMIT(cond, cond_ptr)
#define EMITH_SJMP_START EMITH_JMP_START
#define EMITH_SJMP_END EMITH_JMP_END
@ -591,20 +635,55 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
#define EMITH_SJMP3_MID EMITH_JMP3_MID
#define EMITH_SJMP3_END EMITH_JMP3_END
#define emith_pass_arg_r(arg, reg) { \
#define emith_pass_arg_r(arg, reg) do { \
int rd = 7; \
host_arg2reg(rd, arg); \
emith_move_r_r(rd, reg); \
}
emith_move_r_r_ptr(rd, reg); \
} while (0)
#define emith_pass_arg_imm(arg, imm) { \
#define emith_pass_arg_imm(arg, imm) do { \
int rd = 7; \
host_arg2reg(rd, arg); \
emith_move_r_imm(rd, imm); \
}
} while (0)
#define host_instructions_updated(base, end)
#ifdef __x86_64__
#define PTR_SCALE 3
#define NA_TMP_REG xCX // non-arg tmp from reg_temp[]
#define EMIT_REX_FOR_PTR() \
EMIT_REX(1,0,0,0)
#define host_arg2reg(rd, arg) \
switch (arg) { \
case 0: rd = xDI; break; \
case 1: rd = xSI; break; \
case 2: rd = xDX; break; \
}
#define emith_sh2_drc_entry() { \
emith_push(xBX); \
emith_push(xBP); \
emith_push(xSI); /* to align */ \
}
#define emith_sh2_drc_exit() { \
emith_pop(xSI); \
emith_pop(xBP); \
emith_pop(xBX); \
emith_ret(); \
}
#else
#define PTR_SCALE 2
#define NA_TMP_REG xBX // non-arg tmp from reg_temp[]
#define EMIT_REX_FOR_PTR()
#define host_arg2reg(rd, arg) \
switch (arg) { \
case 0: rd = xAX; break; \
@ -612,7 +691,6 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
case 2: rd = xCX; break; \
}
/* SH2 drc specific */
#define emith_sh2_drc_entry() { \
emith_push(xBX); \
emith_push(xBP); \
@ -628,15 +706,33 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
emith_ret(); \
}
// assumes EBX is free temporary
#endif
#define emith_save_caller_regs(mask) do { \
if ((mask) & (1 << xAX)) emith_push(xAX); \
if ((mask) & (1 << xCX)) emith_push(xCX); \
if ((mask) & (1 << xDX)) emith_push(xDX); \
if ((mask) & (1 << xSI)) emith_push(xSI); \
if ((mask) & (1 << xDI)) emith_push(xDI); \
} while (0)
#define emith_restore_caller_regs(mask) do { \
if ((mask) & (1 << xDI)) emith_pop(xDI); \
if ((mask) & (1 << xSI)) emith_pop(xSI); \
if ((mask) & (1 << xDX)) emith_pop(xDX); \
if ((mask) & (1 << xCX)) emith_pop(xCX); \
if ((mask) & (1 << xAX)) emith_pop(xAX); \
} while (0)
#define emith_sh2_wcall(a, tab) { \
int arg2_; \
host_arg2reg(arg2_, 2); \
emith_lsr(xBX, a, SH2_WRITE_SHIFT); \
EMIT_OP_MODRM(0x8b, 0, xBX, 4); \
EMIT_SIB(2, xBX, tab); /* mov ebx, [tab + ebx * 4] */ \
emith_move_r_r(arg2_, CONTEXT_REG); \
emith_jump_reg(xBX); \
emith_lsr(NA_TMP_REG, a, SH2_WRITE_SHIFT); \
EMIT_REX_FOR_PTR(); \
EMIT_OP_MODRM(0x8b, 0, NA_TMP_REG, 4); \
EMIT_SIB(PTR_SCALE, NA_TMP_REG, tab); /* mov tmp, [tab + tmp * {4,8}] */ \
emith_move_r_r_ptr(arg2_, CONTEXT_REG); \
emith_jump_reg(NA_TMP_REG); \
}
#define emith_sh2_dtbf_loop() { \
@ -697,8 +793,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
JMP8_EMIT(ICOND_JE, jmp0); /* do_sub: */ \
emith_sub_r_r(rn, rm); \
JMP8_EMIT_NC(jmp1); /* done: */ \
emith_setc(tmp_); \
EMIT_OP_MODRM(0x31, 3, tmp_, sr); /* T = Q1 ^ Q2 */ \
emith_adc_r_r(tmp_, tmp_); \
emith_eor_r_r(sr, tmp_); \
rcache_free_tmp(tmp_); \
}

View file

@ -326,6 +326,27 @@ static temp_reg_t reg_temp[] = {
{ xDX, },
};
#elif defined(__x86_64__)
#include "../drc/emit_x86.c"
static const int reg_map_g2h[] = {
-1, -1, -1, -1,
-1, -1, -1, -1,
-1, -1, -1, -1,
-1, -1, -1, -1,
-1, -1, -1, xBX,
-1, -1, -1, -1,
};
// ax, cx, dx are usually temporaries by convention
static temp_reg_t reg_temp[] = {
{ xAX, },
{ xCX, },
{ xDX, },
{ xSI, },
{ xDI, },
};
#else
#error unsupported arch
#endif
@ -919,13 +940,12 @@ do_alloc:
return tr->hreg;
}
static int rcache_get_arg_id(int arg)
static int rcache_get_hr_id(int hr)
{
int i, r = 0;
host_arg2reg(r, arg);
int i;
for (i = 0; i < ARRAY_SIZE(reg_temp); i++)
if (reg_temp[i].hreg == r)
if (reg_temp[i].hreg == hr)
break;
if (i == ARRAY_SIZE(reg_temp)) // can't happen
@ -938,7 +958,7 @@ static int rcache_get_arg_id(int arg)
gconst_check_evict(reg_temp[i].greg);
}
else if (reg_temp[i].type == HR_TEMP) {
printf("arg %d reg %d already used, aborting\n", arg, r);
printf("host reg %d already used, aborting\n", hr);
exit(1);
}
@ -948,6 +968,13 @@ static int rcache_get_arg_id(int arg)
return i;
}
static int rcache_get_arg_id(int arg)
{
int r = 0;
host_arg2reg(r, arg);
return rcache_get_hr_id(r);
}
// get a reg to be used as function arg
static int rcache_get_tmp_arg(int arg)
{
@ -957,6 +984,15 @@ static int rcache_get_tmp_arg(int arg)
return reg_temp[id].hreg;
}
// ... as return value after a call
static int rcache_get_tmp_ret(void)
{
int id = rcache_get_hr_id(RET_REG);
reg_temp[id].type = HR_TEMP;
return reg_temp[id].hreg;
}
// same but caches a reg. RC_GR_READ only.
static int rcache_get_reg_arg(int arg, sh2_reg_e r)
{
@ -1104,8 +1140,8 @@ static int emit_get_rbase_and_offs(u32 a, u32 *offs)
// XXX: could use some related reg
hr = rcache_get_tmp();
emith_ctx_read(hr, poffs);
emith_add_r_imm(hr, a & mask & ~0xff);
emith_ctx_read_ptr(hr, poffs);
emith_add_r_r_ptr_imm(hr, hr, a & mask & ~0xff);
*offs = a & 0xff; // XXX: ARM oriented..
return hr;
}
@ -1154,7 +1190,7 @@ static int emit_memhandler_read_(int size, int ram_check)
emith_ctx_write(reg_map_g2h[SHR_SR], SHR_SR * 4);
arg1 = rcache_get_tmp_arg(1);
emith_move_r_r(arg1, CONTEXT_REG);
emith_move_r_r_ptr(arg1, CONTEXT_REG);
#if 0 // can't do this because of unmapped reads
// ndef PDB_NET
@ -1208,8 +1244,7 @@ static int emit_memhandler_read_(int size, int ram_check)
if (reg_map_g2h[SHR_SR] != -1)
emith_ctx_read(reg_map_g2h[SHR_SR], SHR_SR * 4);
// assuming arg0 and retval reg matches
return rcache_get_tmp_arg(0);
return rcache_get_tmp_ret();
}
static int emit_memhandler_read(int size)
@ -1279,7 +1314,7 @@ static void emit_memhandler_write(int size)
emith_call(sh2_drc_write16);
break;
case 2: // 32
emith_move_r_r(ctxr, CONTEXT_REG);
emith_move_r_r_ptr(ctxr, CONTEXT_REG);
emith_call(sh2_drc_write32);
break;
}
@ -1351,26 +1386,23 @@ static void emit_do_static_regs(int is_write, int tmpr)
}
}
/* just after lookup function, jump to address returned */
static void emit_block_entry(void)
{
int arg0;
host_arg2reg(arg0, 0);
#if (DRC_DEBUG & 8) || defined(PDB)
int arg1, arg2;
host_arg2reg(arg1, 1);
host_arg2reg(arg2, 2);
emit_do_static_regs(1, arg2);
emith_move_r_r(arg1, CONTEXT_REG);
emith_move_r_r_ptr(arg1, CONTEXT_REG);
emith_move_r_r(arg2, rcache_get_reg(SHR_SR, RC_GR_READ));
emith_call(sh2_drc_log_entry);
rcache_invalidate();
#endif
emith_tst_r_r(arg0, arg0);
emith_tst_r_r(RET_REG, RET_REG);
EMITH_SJMP_START(DCOND_EQ);
emith_jump_reg_c(DCOND_NE, arg0);
emith_jump_reg_c(DCOND_NE, RET_REG);
EMITH_SJMP_END(DCOND_EQ);
}
@ -2703,14 +2735,18 @@ end_op:
struct op_data *opd_b =
(op_flags[i] & OF_DELAY_OP) ? &ops[i-1] : opd;
u32 target_pc = opd_b->imm;
int cond = -1;
int cond = -1, ncond = -1;
void *target = NULL;
EMITH_SJMP_DECL_();
sr = rcache_get_reg(SHR_SR, RC_GR_RMW);
FLUSH_CYCLES(sr);
rcache_clean();
if (opd_b->op != OP_BRANCH)
if (opd_b->op != OP_BRANCH) {
cond = (opd_b->op == OP_BRANCH_CF) ? DCOND_EQ : DCOND_NE;
ncond = (opd_b->op == OP_BRANCH_CF) ? DCOND_NE : DCOND_EQ;
}
if (cond != -1) {
int ctaken = (op_flags[i] & OF_DELAY_OP) ? 1 : 2;
@ -2719,9 +2755,9 @@ end_op:
else
emith_tst_r_imm(sr, T);
EMITH_SJMP_START_(ncond);
emith_sub_r_imm_c(cond, sr, ctaken<<12);
}
rcache_clean();
#if LINK_BRANCHES
if (find_in_array(branch_target_pc, branch_target_count, target_pc) >= 0)
@ -2750,8 +2786,10 @@ end_op:
return NULL;
}
if (cond != -1)
if (cond != -1) {
emith_jump_cond_patchable(cond, target);
EMITH_SJMP_END_(ncond);
}
else {
emith_jump_patchable(target);
rcache_invalidate();
@ -2906,18 +2944,18 @@ static void sh2_generate_utils(void)
rcache_invalidate();
emith_ctx_read(arg0, SHR_PC * 4);
emith_ctx_read(arg1, offsetof(SH2, is_slave));
emith_add_r_r_imm(arg2, CONTEXT_REG, offsetof(SH2, drc_tmp));
emith_add_r_r_ptr_imm(arg2, CONTEXT_REG, offsetof(SH2, drc_tmp));
emith_call(dr_lookup_block);
emit_block_entry();
// lookup failed, call sh2_translate()
emith_move_r_r(arg0, CONTEXT_REG);
emith_move_r_r_ptr(arg0, CONTEXT_REG);
emith_ctx_read(arg1, offsetof(SH2, drc_tmp)); // tcache_id
emith_call(sh2_translate);
emit_block_entry();
// sh2_translate() failed, flush cache and retry
emith_ctx_read(arg0, offsetof(SH2, drc_tmp));
emith_call(flush_tcache);
emith_move_r_r(arg0, CONTEXT_REG);
emith_move_r_r_ptr(arg0, CONTEXT_REG);
emith_ctx_read(arg1, offsetof(SH2, drc_tmp));
emith_call(sh2_translate);
emit_block_entry();
@ -2944,13 +2982,13 @@ static void sh2_generate_utils(void)
emith_add_r_imm(tmp, 4);
tmp = rcache_get_reg_arg(1, SHR_SR);
emith_clear_msb(tmp, tmp, 22);
emith_move_r_r(arg2, CONTEXT_REG);
emith_move_r_r_ptr(arg2, CONTEXT_REG);
emith_call(p32x_sh2_write32); // XXX: use sh2_drc_write32?
rcache_invalidate();
// push PC
rcache_get_reg_arg(0, SHR_SP);
emith_ctx_read(arg1, SHR_PC * 4);
emith_move_r_r(arg2, CONTEXT_REG);
emith_move_r_r_ptr(arg2, CONTEXT_REG);
emith_call(p32x_sh2_write32);
rcache_invalidate();
// update I, cycles, do callback
@ -2960,16 +2998,16 @@ static void sh2_generate_utils(void)
emith_or_r_r_lsl(sr, arg1, I_SHIFT);
emith_sub_r_imm(sr, 13 << 12); // at least 13 cycles
rcache_flush();
emith_move_r_r(arg0, CONTEXT_REG);
emith_move_r_r_ptr(arg0, CONTEXT_REG);
emith_call_ctx(offsetof(SH2, irq_callback)); // vector = sh2->irq_callback(sh2, level);
// obtain new PC
emith_lsl(arg0, arg0, 2);
emith_lsl(arg0, RET_REG, 2);
emith_ctx_read(arg1, SHR_VBR * 4);
emith_add_r_r(arg0, arg1);
emit_memhandler_read(2);
emith_ctx_write(arg0, SHR_PC * 4);
#ifdef __i386__
emith_add_r_imm(xSP, 4); // fix stack
tmp = emit_memhandler_read(2);
emith_ctx_write(tmp, SHR_PC * 4);
#if defined(__i386__) || defined(__x86_64__)
emith_add_r_r_ptr_imm(xSP, xSP, sizeof(void *)); // fix stack
#endif
emith_jump(sh2_drc_dispatcher);
rcache_invalidate();
@ -2977,19 +3015,19 @@ static void sh2_generate_utils(void)
// sh2_drc_entry(SH2 *sh2)
sh2_drc_entry = (void *)tcache_ptr;
emith_sh2_drc_entry();
emith_move_r_r(CONTEXT_REG, arg0); // move ctx, arg0
emith_move_r_r_ptr(CONTEXT_REG, arg0); // move ctx, arg0
emit_do_static_regs(0, arg2);
emith_call(sh2_drc_test_irq);
emith_jump(sh2_drc_dispatcher);
// sh2_drc_write8(u32 a, u32 d)
sh2_drc_write8 = (void *)tcache_ptr;
emith_ctx_read(arg2, offsetof(SH2, write8_tab));
emith_ctx_read_ptr(arg2, offsetof(SH2, write8_tab));
emith_sh2_wcall(arg0, arg2);
// sh2_drc_write16(u32 a, u32 d)
sh2_drc_write16 = (void *)tcache_ptr;
emith_ctx_read(arg2, offsetof(SH2, write16_tab));
emith_ctx_read_ptr(arg2, offsetof(SH2, write16_tab));
emith_sh2_wcall(arg0, arg2);
#ifdef PDB_NET
@ -3015,7 +3053,7 @@ static void sh2_generate_utils(void)
emith_ctx_read(arg2, offsetof(SH2, pdb_io_csum[1])); \
emith_adc_r_imm(arg2, 0x01000000); \
emith_ctx_write(arg2, offsetof(SH2, pdb_io_csum[1])); \
emith_move_r_r(arg2, CONTEXT_REG); \
emith_move_r_r_ptr(arg2, CONTEXT_REG); \
emith_jump(func); \
func = tmp; \
}

View file

@ -237,7 +237,7 @@ static void dump_regs(SH2 *sh2)
printf("%csh2 SR: %03x PR: %08x\n", csh2, sh2->sr, sh2->pr);
}
void do_sh2_cmp(SH2 *current)
void REGPARM(1) do_sh2_cmp(SH2 *current)
{
static int current_slave;
static u32 current_val;
@ -251,6 +251,13 @@ void do_sh2_cmp(SH2 *current)
int cycles;
int i, ret;
#if 0
sr = current->sr;
current->sr &= 0x3f3;
do_sh2_trace(current, (signed int)sr >> 12);
current->sr = sr;
return;
#endif
sh2ref[1].is_slave = 1;
while (1) {

View file

@ -118,7 +118,7 @@ void REGPARM(3) p32x_sh2_write32(unsigned int a, unsigned int d, SH2 *sh2);
// debug
#ifdef DRC_CMP
void do_sh2_trace(SH2 *current, int cycles);
void do_sh2_cmp(SH2 *current);
void REGPARM(1) do_sh2_cmp(SH2 *current);
#endif
#endif /* __SH2_H__ */

@ -1 +1 @@
Subproject commit f287890d65ad36ca75bb71d05745693ae78b1490
Subproject commit 21082d0b2b9910727770674cef9b68b9e97a3155

View file

@ -29,7 +29,7 @@ void pemu_prep_defconfig(void)
void pemu_validate_config(void)
{
#ifndef __arm__
#if !defined(__arm__) && !defined(__i386__) && !defined(__x86_64__)
PicoIn.opt &= ~POPT_EN_DRC;
#endif
}