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added raw/user/kernel memory accesses (faster emulation) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@510 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-04 17:31:11 +00:00
parent 34e01bbf07
commit 943144d91a
1 changed files with 51 additions and 23 deletions
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74
target-i386/ops_template_mem.h
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@ -20,12 +20,40 @@
*/
#ifdef MEM_WRITE
#if MEM_WRITE == 0
#if DATA_BITS == 8
#define MEM_SUFFIX b_mem
#define MEM_SUFFIX b_raw
#elif DATA_BITS == 16
#define MEM_SUFFIX w_mem
#define MEM_SUFFIX w_raw
#elif DATA_BITS == 32
#define MEM_SUFFIX l_mem
#define MEM_SUFFIX l_raw
#endif
#elif MEM_WRITE == 1
#if DATA_BITS == 8
#define MEM_SUFFIX b_kernel
#elif DATA_BITS == 16
#define MEM_SUFFIX w_kernel
#elif DATA_BITS == 32
#define MEM_SUFFIX l_kernel
#endif
#elif MEM_WRITE == 2
#if DATA_BITS == 8
#define MEM_SUFFIX b_user
#elif DATA_BITS == 16
#define MEM_SUFFIX w_user
#elif DATA_BITS == 32
#define MEM_SUFFIX l_user
#endif
#else
#error invalid MEM_WRITE
#endif
#else
@ -43,7 +71,7 @@ void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1_cc)(void)
T0 &= DATA_MASK;
T0 = (T0 << count) | (T0 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#else
/* gcc 3.2 workaround. This is really a bug in gcc. */
asm volatile("" : : "r" (T0));
@ -65,7 +93,7 @@ void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1_cc)(void)
T0 &= DATA_MASK;
T0 = (T0 >> count) | (T0 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#else
/* gcc 3.2 workaround. This is really a bug in gcc. */
asm volatile("" : : "r" (T0));
@ -86,7 +114,7 @@ void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1)(void)
T0 &= DATA_MASK;
T0 = (T0 << count) | (T0 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
}
FORCE_RET();
@ -100,7 +128,7 @@ void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1)(void)
T0 &= DATA_MASK;
T0 = (T0 >> count) | (T0 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
}
FORCE_RET();
@ -126,7 +154,7 @@ void OPPROTO glue(glue(op_rcl, MEM_SUFFIX), _T0_T1_cc)(void)
res |= T0 >> (DATA_BITS + 1 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
@ -156,7 +184,7 @@ void OPPROTO glue(glue(op_rcr, MEM_SUFFIX), _T0_T1_cc)(void)
res |= T0 << (DATA_BITS + 1 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = (eflags & ~(CC_C | CC_O)) |
(lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) |
@ -174,7 +202,7 @@ void OPPROTO glue(glue(op_shl, MEM_SUFFIX), _T0_T1_cc)(void)
src = (DATA_TYPE)T0 << (count - 1);
T0 = T0 << count;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
@ -192,7 +220,7 @@ void OPPROTO glue(glue(op_shr, MEM_SUFFIX), _T0_T1_cc)(void)
src = T0 >> (count - 1);
T0 = T0 >> count;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
@ -210,7 +238,7 @@ void OPPROTO glue(glue(op_sar, MEM_SUFFIX), _T0_T1_cc)(void)
T0 = src >> count;
src = src >> (count - 1);
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = src;
CC_DST = T0;
@ -234,7 +262,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void)
res |= T1 << (count - 16);
T0 = res >> 16;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -254,7 +282,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
res |= T1 << (count - 16);
T0 = res >> 16;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -276,7 +304,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void)
res |= T1 << (32 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -297,7 +325,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
res |= T1 << (32 - count);
T0 = res;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -317,7 +345,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void)
tmp = T0 << (count - 1);
T0 = (T0 << count) | (T1 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -333,7 +361,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
tmp = T0 << (count - 1);
T0 = (T0 << count) | (T1 >> (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -351,7 +379,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void)
tmp = T0 >> (count - 1);
T0 = (T0 >> count) | (T1 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -368,7 +396,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
tmp = T0 >> (count - 1);
T0 = (T0 >> count) | (T1 << (DATA_BITS - count));
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = tmp;
CC_DST = T0;
@ -386,7 +414,7 @@ void OPPROTO glue(glue(op_adc, MEM_SUFFIX), _T0_T1_cc)(void)
cf = cc_table[CC_OP].compute_c();
T0 = T0 + T1 + cf;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = T1;
CC_DST = T0;
@ -399,7 +427,7 @@ void OPPROTO glue(glue(op_sbb, MEM_SUFFIX), _T0_T1_cc)(void)
cf = cc_table[CC_OP].compute_c();
T0 = T0 - T1 - cf;
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = T1;
CC_DST = T0;
@ -418,7 +446,7 @@ void OPPROTO glue(glue(op_cmpxchg, MEM_SUFFIX), _T0_T1_EAX_cc)(void)
EAX = (EAX & ~DATA_MASK) | (T0 & DATA_MASK);
}
#ifdef MEM_WRITE
glue(st, SUFFIX)((uint8_t *)A0, T0);
glue(st, MEM_SUFFIX)((uint8_t *)A0, T0);
#endif
CC_SRC = src;
CC_DST = dst;