Commit f76af4b3f38aa0e0bbf9ac695339bd3eb87c09eb

Authored by bellard
1 parent 717fc2ad

correct restoring of CC_OP in case of exception


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@259 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 20 additions and 9 deletions
translate.c
... ... @@ -59,7 +59,9 @@ uint16_t gen_opc_buf[OPC_BUF_SIZE];
59 59 uint32_t gen_opparam_buf[OPPARAM_BUF_SIZE];
60 60 uint32_t gen_opc_pc[OPC_BUF_SIZE];
61 61 uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
62   -
  62 +#if defined(TARGET_I386)
  63 +uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
  64 +#endif
63 65  
64 66 #ifdef DEBUG_DISAS
65 67 static const char *op_str[] = {
... ... @@ -111,7 +113,7 @@ int cpu_gen_code(TranslationBlock *tb,
111 113 uint8_t *gen_code_buf;
112 114 int gen_code_size;
113 115  
114   - if (gen_intermediate_code(tb, 0) < 0)
  116 + if (gen_intermediate_code(tb) < 0)
115 117 return -1;
116 118  
117 119 /* generate machine code */
... ... @@ -143,18 +145,16 @@ static const unsigned short opc_copy_size[] = {
143 145 #undef DEF
144 146 };
145 147  
146   -/* The simulated PC corresponding to
147   - 'searched_pc' in the generated code is searched. 0 is returned if
148   - found. *found_pc contains the found PC.
  148 +/* The cpu state corresponding to 'searched_pc' is restored.
149 149 */
150   -int cpu_search_pc(TranslationBlock *tb,
151   - uint32_t *found_pc, unsigned long searched_pc)
  150 +int cpu_restore_state(TranslationBlock *tb,
  151 + CPUState *env, unsigned long searched_pc)
152 152 {
153 153 int j, c;
154 154 unsigned long tc_ptr;
155 155 uint16_t *opc_ptr;
156 156  
157   - if (gen_intermediate_code(tb, 1) < 0)
  157 + if (gen_intermediate_code_pc(tb) < 0)
158 158 return -1;
159 159  
160 160 /* find opc index corresponding to search_pc */
... ... @@ -176,7 +176,18 @@ int cpu_search_pc(TranslationBlock *tb,
176 176 /* now find start of instruction before */
177 177 while (gen_opc_instr_start[j] == 0)
178 178 j--;
179   - *found_pc = gen_opc_pc[j];
  179 +#if defined(TARGET_I386)
  180 + {
  181 + int cc_op;
  182 +
  183 + env->eip = gen_opc_pc[j] - tb->cs_base;
  184 + cc_op = gen_opc_cc_op[j];
  185 + if (cc_op != CC_OP_DYNAMIC)
  186 + env->cc_op = cc_op;
  187 + }
  188 +#elif defined(TARGET_ARM)
  189 + env->regs[15] = gen_opc_pc[j];
  190 +#endif
180 191 return 0;
181 192 }
182 193  
... ...