diff options
Diffstat (limited to 'target-i386/ops_template_mem.h')
| -rw-r--r-- | target-i386/ops_template_mem.h | 483 |
1 files changed, 483 insertions, 0 deletions
diff --git a/target-i386/ops_template_mem.h b/target-i386/ops_template_mem.h new file mode 100644 index 0000000..9f72a8c --- /dev/null +++ b/target-i386/ops_template_mem.h @@ -0,0 +1,483 @@ +/* + * i386 micro operations (included several times to generate + * different operand sizes) + * + * Copyright (c) 2003 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifdef MEM_WRITE + +#if MEM_WRITE == 0 + +#if DATA_BITS == 8 +#define MEM_SUFFIX b_raw +#elif DATA_BITS == 16 +#define MEM_SUFFIX w_raw +#elif DATA_BITS == 32 +#define MEM_SUFFIX l_raw +#elif DATA_BITS == 64 +#define MEM_SUFFIX q_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 +#elif DATA_BITS == 64 +#define MEM_SUFFIX q_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 +#elif DATA_BITS == 64 +#define MEM_SUFFIX q_user +#endif + +#else + +#error invalid MEM_WRITE + +#endif + +#else + +#define MEM_SUFFIX SUFFIX + +#endif + +void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count; + target_long src; + + if (T1 & SHIFT1_MASK) { + count = T1 & SHIFT_MASK; + src = T0; + T0 &= DATA_MASK; + T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#else + /* gcc 3.2 workaround. This is really a bug in gcc. */ + asm volatile("" : : "r" (T0)); +#endif + CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) | + (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | + (T0 & CC_C); + CC_OP = CC_OP_EFLAGS; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count; + target_long src; + + if (T1 & SHIFT1_MASK) { + count = T1 & SHIFT_MASK; + src = T0; + T0 &= DATA_MASK; + T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#else + /* gcc 3.2 workaround. This is really a bug in gcc. */ + asm volatile("" : : "r" (T0)); +#endif + CC_SRC = (cc_table[CC_OP].compute_all() & ~(CC_O | CC_C)) | + (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | + ((T0 >> (DATA_BITS - 1)) & CC_C); + CC_OP = CC_OP_EFLAGS; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_rol, MEM_SUFFIX), _T0_T1)(void) +{ + int count; + count = T1 & SHIFT_MASK; + if (count) { + T0 &= DATA_MASK; + T0 = (T0 << count) | (T0 >> (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_ror, MEM_SUFFIX), _T0_T1)(void) +{ + int count; + count = T1 & SHIFT_MASK; + if (count) { + T0 &= DATA_MASK; + T0 = (T0 >> count) | (T0 << (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_rcl, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count, eflags; + target_ulong src; + target_long res; + + count = T1 & SHIFT1_MASK; +#if DATA_BITS == 16 + count = rclw_table[count]; +#elif DATA_BITS == 8 + count = rclb_table[count]; +#endif + if (count) { + eflags = cc_table[CC_OP].compute_all(); + T0 &= DATA_MASK; + src = T0; + res = (T0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1)); + if (count > 1) + res |= T0 >> (DATA_BITS + 1 - count); + T0 = res; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = (eflags & ~(CC_C | CC_O)) | + (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | + ((src >> (DATA_BITS - count)) & CC_C); + CC_OP = CC_OP_EFLAGS; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_rcr, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count, eflags; + target_ulong src; + target_long res; + + count = T1 & SHIFT1_MASK; +#if DATA_BITS == 16 + count = rclw_table[count]; +#elif DATA_BITS == 8 + count = rclb_table[count]; +#endif + if (count) { + eflags = cc_table[CC_OP].compute_all(); + T0 &= DATA_MASK; + src = T0; + res = (T0 >> count) | ((target_ulong)(eflags & CC_C) << (DATA_BITS - count)); + if (count > 1) + res |= T0 << (DATA_BITS + 1 - count); + T0 = res; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = (eflags & ~(CC_C | CC_O)) | + (lshift(src ^ T0, 11 - (DATA_BITS - 1)) & CC_O) | + ((src >> (count - 1)) & CC_C); + CC_OP = CC_OP_EFLAGS; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_shl, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count; + target_long src; + + count = T1 & SHIFT1_MASK; + if (count) { + src = (DATA_TYPE)T0 << (count - 1); + T0 = T0 << count; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = src; + CC_DST = T0; + CC_OP = CC_OP_SHLB + SHIFT; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_shr, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count; + target_long src; + + count = T1 & SHIFT1_MASK; + if (count) { + T0 &= DATA_MASK; + src = T0 >> (count - 1); + T0 = T0 >> count; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = src; + CC_DST = T0; + CC_OP = CC_OP_SARB + SHIFT; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_sar, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int count; + target_long src; + + count = T1 & SHIFT1_MASK; + if (count) { + src = (DATA_STYPE)T0; + T0 = src >> count; + src = src >> (count - 1); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = src; + CC_DST = T0; + CC_OP = CC_OP_SARB + SHIFT; + } + FORCE_RET(); +} + +#if DATA_BITS == 16 +/* XXX: overflow flag might be incorrect in some cases in shldw */ +void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void) +{ + int count; + unsigned int res, tmp; + count = PARAM1; + T1 &= 0xffff; + res = T1 | (T0 << 16); + tmp = res >> (32 - count); + res <<= count; + if (count > 16) + res |= T1 << (count - 16); + T0 = res >> 16; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; +} + +void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void) +{ + int count; + unsigned int res, tmp; + count = ECX & 0x1f; + if (count) { + T1 &= 0xffff; + res = T1 | (T0 << 16); + tmp = res >> (32 - count); + res <<= count; + if (count > 16) + res |= T1 << (count - 16); + T0 = res >> 16; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; + CC_OP = CC_OP_SARB + SHIFT; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void) +{ + int count; + unsigned int res, tmp; + + count = PARAM1; + res = (T0 & 0xffff) | (T1 << 16); + tmp = res >> (count - 1); + res >>= count; + if (count > 16) + res |= T1 << (32 - count); + T0 = res; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; +} + + +void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void) +{ + int count; + unsigned int res, tmp; + + count = ECX & 0x1f; + if (count) { + res = (T0 & 0xffff) | (T1 << 16); + tmp = res >> (count - 1); + res >>= count; + if (count > 16) + res |= T1 << (32 - count); + T0 = res; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; + CC_OP = CC_OP_SARB + SHIFT; + } + FORCE_RET(); +} +#endif + +#if DATA_BITS >= 32 +void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_im_cc)(void) +{ + int count; + target_long tmp; + + count = PARAM1; + T0 &= DATA_MASK; + T1 &= DATA_MASK; + tmp = T0 << (count - 1); + T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; +} + +void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void) +{ + int count; + target_long tmp; + + count = ECX & SHIFT1_MASK; + if (count) { + T0 &= DATA_MASK; + T1 &= DATA_MASK; + tmp = T0 << (count - 1); + T0 = (T0 << count) | (T1 >> (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; + CC_OP = CC_OP_SHLB + SHIFT; + } + FORCE_RET(); +} + +void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_im_cc)(void) +{ + int count; + target_long tmp; + + count = PARAM1; + T0 &= DATA_MASK; + T1 &= DATA_MASK; + tmp = T0 >> (count - 1); + T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; +} + + +void OPPROTO glue(glue(op_shrd, MEM_SUFFIX), _T0_T1_ECX_cc)(void) +{ + int count; + target_long tmp; + + count = ECX & SHIFT1_MASK; + if (count) { + T0 &= DATA_MASK; + T1 &= DATA_MASK; + tmp = T0 >> (count - 1); + T0 = (T0 >> count) | (T1 << (DATA_BITS - count)); +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = tmp; + CC_DST = T0; + CC_OP = CC_OP_SARB + SHIFT; + } + FORCE_RET(); +} +#endif + +/* carry add/sub (we only need to set CC_OP differently) */ + +void OPPROTO glue(glue(op_adc, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int cf; + cf = cc_table[CC_OP].compute_c(); + T0 = T0 + T1 + cf; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = T1; + CC_DST = T0; + CC_OP = CC_OP_ADDB + SHIFT + cf * 4; +} + +void OPPROTO glue(glue(op_sbb, MEM_SUFFIX), _T0_T1_cc)(void) +{ + int cf; + cf = cc_table[CC_OP].compute_c(); + T0 = T0 - T1 - cf; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + CC_SRC = T1; + CC_DST = T0; + CC_OP = CC_OP_SUBB + SHIFT + cf * 4; +} + +void OPPROTO glue(glue(op_cmpxchg, MEM_SUFFIX), _T0_T1_EAX_cc)(void) +{ + target_ulong src, dst; + + src = T0; + dst = EAX - T0; + if ((DATA_TYPE)dst == 0) { + T0 = T1; +#ifdef MEM_WRITE + glue(st, MEM_SUFFIX)(A0, T0); +#endif + } else { + EAX = (EAX & ~DATA_MASK) | (T0 & DATA_MASK); + } + CC_SRC = src; + CC_DST = dst; + FORCE_RET(); +} + +#undef MEM_SUFFIX +#undef MEM_WRITE |