Revision 2792c4f2
| b/op-i386.c | ||
|---|---|---|
| 634 | 634 |
int eflags; |
| 635 | 635 |
eflags = cc_table[CC_OP].compute_all(); |
| 636 | 636 |
if (eflags & CC_O) {
|
| 637 |
EIP = PARAM1; |
|
| 637 | 638 |
raise_exception(EXCP04_INTO); |
| 638 | 639 |
} |
| 639 | 640 |
FORCE_RET(); |
| ... | ... | |
| 1136 | 1137 |
A0 += *(unsigned long *)((char *)env + PARAM1); |
| 1137 | 1138 |
} |
| 1138 | 1139 |
|
| 1140 |
void helper_lsl(void) |
|
| 1141 |
{
|
|
| 1142 |
unsigned int selector, limit; |
|
| 1143 |
SegmentDescriptorTable *dt; |
|
| 1144 |
int index; |
|
| 1145 |
uint32_t e1, e2; |
|
| 1146 |
uint8_t *ptr; |
|
| 1147 |
|
|
| 1148 |
CC_SRC = cc_table[CC_OP].compute_all() & ~CC_Z; |
|
| 1149 |
selector = T0 & 0xffff; |
|
| 1150 |
if (selector & 0x4) |
|
| 1151 |
dt = &env->ldt; |
|
| 1152 |
else |
|
| 1153 |
dt = &env->gdt; |
|
| 1154 |
index = selector & ~7; |
|
| 1155 |
if ((index + 7) > dt->limit) |
|
| 1156 |
return; |
|
| 1157 |
ptr = dt->base + index; |
|
| 1158 |
e1 = ldl(ptr); |
|
| 1159 |
e2 = ldl(ptr + 4); |
|
| 1160 |
limit = (e1 & 0xffff) | (e2 & 0x000f0000); |
|
| 1161 |
if (e2 & (1 << 23)) |
|
| 1162 |
limit = (limit << 12) | 0xfff; |
|
| 1163 |
T1 = limit; |
|
| 1164 |
CC_SRC |= CC_Z; |
|
| 1165 |
} |
|
| 1166 |
|
|
| 1167 |
void OPPROTO op_lsl(void) |
|
| 1168 |
{
|
|
| 1169 |
helper_lsl(); |
|
| 1170 |
} |
|
| 1171 |
|
|
| 1172 |
void helper_lar(void) |
|
| 1173 |
{
|
|
| 1174 |
unsigned int selector; |
|
| 1175 |
SegmentDescriptorTable *dt; |
|
| 1176 |
int index; |
|
| 1177 |
uint32_t e2; |
|
| 1178 |
uint8_t *ptr; |
|
| 1179 |
|
|
| 1180 |
CC_SRC = cc_table[CC_OP].compute_all() & ~CC_Z; |
|
| 1181 |
selector = T0 & 0xffff; |
|
| 1182 |
if (selector & 0x4) |
|
| 1183 |
dt = &env->ldt; |
|
| 1184 |
else |
|
| 1185 |
dt = &env->gdt; |
|
| 1186 |
index = selector & ~7; |
|
| 1187 |
if ((index + 7) > dt->limit) |
|
| 1188 |
return; |
|
| 1189 |
ptr = dt->base + index; |
|
| 1190 |
e2 = ldl(ptr + 4); |
|
| 1191 |
T1 = e2 & 0x00f0ff00; |
|
| 1192 |
CC_SRC |= CC_Z; |
|
| 1193 |
} |
|
| 1194 |
|
|
| 1195 |
void OPPROTO op_lar(void) |
|
| 1196 |
{
|
|
| 1197 |
helper_lar(); |
|
| 1198 |
} |
|
| 1199 |
|
|
| 1139 | 1200 |
/* flags handling */ |
| 1140 | 1201 |
|
| 1141 | 1202 |
/* slow jumps cases (compute x86 flags) */ |
| ... | ... | |
| 1490 | 1551 |
[CC_OP_DECW] = { compute_all_decw, compute_c_incl },
|
| 1491 | 1552 |
[CC_OP_DECL] = { compute_all_decl, compute_c_incl },
|
| 1492 | 1553 |
|
| 1493 |
[CC_OP_SHLB] = { compute_all_shlb, compute_c_shll },
|
|
| 1494 |
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shll },
|
|
| 1554 |
[CC_OP_SHLB] = { compute_all_shlb, compute_c_shlb },
|
|
| 1555 |
[CC_OP_SHLW] = { compute_all_shlw, compute_c_shlw },
|
|
| 1495 | 1556 |
[CC_OP_SHLL] = { compute_all_shll, compute_c_shll },
|
| 1496 | 1557 |
|
| 1497 |
[CC_OP_SARB] = { compute_all_sarb, compute_c_shll },
|
|
| 1498 |
[CC_OP_SARW] = { compute_all_sarw, compute_c_shll },
|
|
| 1499 |
[CC_OP_SARL] = { compute_all_sarl, compute_c_shll },
|
|
| 1558 |
[CC_OP_SARB] = { compute_all_sarb, compute_c_sarl },
|
|
| 1559 |
[CC_OP_SARW] = { compute_all_sarw, compute_c_sarl },
|
|
| 1560 |
[CC_OP_SARL] = { compute_all_sarl, compute_c_sarl },
|
|
| 1500 | 1561 |
}; |
| 1501 | 1562 |
|
| 1502 | 1563 |
/* floating point support. Some of the code for complicated x87 |
Also available in: Unified diff