Revision cf25629d
| b/exec-i386.c | ||
|---|---|---|
| 206 | 206 |
flags |= (1 << GEN_FLAG_VM_SHIFT); |
| 207 | 207 |
flags |= (3 << GEN_FLAG_CPL_SHIFT); |
| 208 | 208 |
} |
| 209 |
flags |= (env->eflags & IOPL_MASK) >> (12 - GEN_FLAG_IOPL_SHIFT); |
|
| 210 |
flags |= (env->eflags & TF_MASK) << (GEN_FLAG_TF_SHIFT - 8); |
|
| 209 |
flags |= (env->eflags & (IOPL_MASK | TF_MASK)); |
|
| 211 | 210 |
cs_base = env->seg_cache[R_CS].base; |
| 212 | 211 |
pc = cs_base + env->eip; |
| 213 |
spin_lock(&tb_lock); |
|
| 214 | 212 |
tb = tb_find(&ptb, (unsigned long)pc, (unsigned long)cs_base, |
| 215 | 213 |
flags); |
| 216 | 214 |
if (!tb) {
|
| 215 |
spin_lock(&tb_lock); |
|
| 217 | 216 |
/* if no translated code available, then translate it now */ |
| 218 | 217 |
tb = tb_alloc((unsigned long)pc); |
| 219 | 218 |
if (!tb) {
|
| ... | ... | |
| 244 | 243 |
tb->hash_next = NULL; |
| 245 | 244 |
tb_link(tb); |
| 246 | 245 |
code_gen_ptr = (void *)(((unsigned long)code_gen_ptr + code_gen_size + CODE_GEN_ALIGN - 1) & ~(CODE_GEN_ALIGN - 1)); |
| 246 |
spin_unlock(&tb_lock); |
|
| 247 | 247 |
} |
| 248 | 248 |
#ifdef DEBUG_EXEC |
| 249 | 249 |
if (loglevel) {
|
| ... | ... | |
| 252 | 252 |
lookup_symbol((void *)tb->pc)); |
| 253 | 253 |
} |
| 254 | 254 |
#endif |
| 255 |
|
|
| 256 | 255 |
/* see if we can patch the calling TB */ |
| 257 | 256 |
if (T0 != 0 && !(env->eflags & TF_MASK)) {
|
| 257 |
spin_lock(&tb_lock); |
|
| 258 | 258 |
tb_add_jump((TranslationBlock *)(T0 & ~3), T0 & 3, tb); |
| 259 |
spin_unlock(&tb_lock); |
|
| 259 | 260 |
} |
| 261 |
|
|
| 260 | 262 |
tc_ptr = tb->tc_ptr; |
| 261 |
spin_unlock(&tb_lock); |
|
| 262 | 263 |
|
| 263 | 264 |
/* execute the generated code */ |
| 264 | 265 |
gen_func = (void *)tc_ptr; |
| b/exec.h | ||
|---|---|---|
| 23 | 23 |
#define GEN_FLAG_SS32_SHIFT 2 |
| 24 | 24 |
#define GEN_FLAG_VM_SHIFT 3 |
| 25 | 25 |
#define GEN_FLAG_ST_SHIFT 4 |
| 26 |
#define GEN_FLAG_CPL_SHIFT 7
|
|
| 27 |
#define GEN_FLAG_IOPL_SHIFT 9
|
|
| 28 |
#define GEN_FLAG_TF_SHIFT 11
|
|
| 26 |
#define GEN_FLAG_TF_SHIFT 8 /* same position as eflags */
|
|
| 27 |
#define GEN_FLAG_CPL_SHIFT 9
|
|
| 28 |
#define GEN_FLAG_IOPL_SHIFT 12 /* same position as eflags */
|
|
| 29 | 29 |
|
| 30 | 30 |
struct TranslationBlock; |
| 31 | 31 |
int cpu_x86_gen_code(uint8_t *gen_code_buf, int max_code_size, |
| ... | ... | |
| 150 | 150 |
static inline void tb_add_jump(TranslationBlock *tb, int n, |
| 151 | 151 |
TranslationBlock *tb_next) |
| 152 | 152 |
{
|
| 153 |
/* patch the native jump address */ |
|
| 154 |
tb_set_jmp_target(tb, n, (unsigned long)tb_next->tc_ptr); |
|
| 155 |
|
|
| 156 |
/* add in TB jmp circular list */ |
|
| 157 |
tb->jmp_next[n] = tb_next->jmp_first; |
|
| 158 |
tb_next->jmp_first = (TranslationBlock *)((long)(tb) | (n)); |
|
| 153 |
/* NOTE: this test is only needed for thread safety */ |
|
| 154 |
if (!tb->jmp_next[n]) {
|
|
| 155 |
/* patch the native jump address */ |
|
| 156 |
tb_set_jmp_target(tb, n, (unsigned long)tb_next->tc_ptr); |
|
| 157 |
|
|
| 158 |
/* add in TB jmp circular list */ |
|
| 159 |
tb->jmp_next[n] = tb_next->jmp_first; |
|
| 160 |
tb_next->jmp_first = (TranslationBlock *)((long)(tb) | (n)); |
|
| 161 |
} |
|
| 159 | 162 |
} |
| 160 | 163 |
|
| 161 | 164 |
#ifndef offsetof |
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