int cpu_restore_state(TranslationBlock *tb, CPUState *env, unsigned long searched_pc, void *puc) { TCGContext *s = &tcg_ctx; int j; unsigned long tc_ptr; #ifdef CONFIG_PROFILER int64_t ti; #endif #ifdef CONFIG_PROFILER ti = profile_getclock(); #endif tcg_func_start(s); if (gen_intermediate_code_pc(env, tb) < 0) return -1; /* find opc index corresponding to search_pc */ tc_ptr = (unsigned long)tb->tc_ptr; if (searched_pc < tc_ptr) return -1; s->tb_next_offset = tb->tb_next_offset; #ifdef USE_DIRECT_JUMP s->tb_jmp_offset = tb->tb_jmp_offset; s->tb_next = NULL; #else s->tb_jmp_offset = NULL; s->tb_next = tb->tb_next; #endif j = dyngen_code_search_pc(s, (uint8_t *)tc_ptr, (void *)searched_pc); if (j < 0) return -1; /* now find start of instruction before */ while (gen_opc_instr_start[j] == 0) j--; #if defined(TARGET_I386) { int cc_op; #ifdef DEBUG_DISAS if (loglevel & CPU_LOG_TB_OP) { int i; fprintf(logfile, "RESTORE:\n"); for(i=0;i<=j; i++) { if (gen_opc_instr_start[i]) { fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]); } } fprintf(logfile, "spc=0x%08lx j=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n", searched_pc, j, gen_opc_pc[j] - tb->cs_base, (uint32_t)tb->cs_base); } #endif env->eip = gen_opc_pc[j] - tb->cs_base; cc_op = gen_opc_cc_op[j]; if (cc_op != CC_OP_DYNAMIC) env->cc_op = cc_op; } #elif defined(TARGET_ARM) env->regs[15] = gen_opc_pc[j]; #elif defined(TARGET_SPARC) { target_ulong npc; env->pc = gen_opc_pc[j]; npc = gen_opc_npc[j]; if (npc == 1) { /* dynamic NPC: already stored */ } else if (npc == 2) { target_ulong t2 = (target_ulong)(unsigned long)puc; /* jump PC: use T2 and the jump targets of the translation */ if (t2) env->npc = gen_opc_jump_pc[0]; else env->npc = gen_opc_jump_pc[1]; } else { env->npc = npc; } } #elif defined(TARGET_PPC) { int type, c; /* for PPC, we need to look at the micro operation to get the access type */ env->nip = gen_opc_pc[j]; c = gen_opc_buf[j]; switch(c) { #if defined(CONFIG_USER_ONLY) #define CASE3(op)\ case INDEX_op_ ## op ## _raw #else #define CASE3(op)\ case INDEX_op_ ## op ## _user:\ case INDEX_op_ ## op ## _kernel:\ case INDEX_op_ ## op ## _hypv #endif CASE3(stfd): CASE3(stfs): CASE3(lfd): CASE3(lfs): type = ACCESS_FLOAT; break; CASE3(lwarx): type = ACCESS_RES; break; CASE3(stwcx): type = ACCESS_RES; break; CASE3(eciwx): CASE3(ecowx): type = ACCESS_EXT; break; default: type = ACCESS_INT; break; } env->access_type = type; } #elif defined(TARGET_M68K) env->pc = gen_opc_pc[j]; #elif defined(TARGET_MIPS) env->PC[env->current_tc] = gen_opc_pc[j]; env->hflags &= ~MIPS_HFLAG_BMASK; env->hflags |= gen_opc_hflags[j]; #elif defined(TARGET_ALPHA) env->pc = gen_opc_pc[j]; #elif defined(TARGET_SH4) env->pc = gen_opc_pc[j]; env->flags = gen_opc_hflags[j]; #endif #ifdef CONFIG_PROFILER dyngen_restore_time += profile_getclock() - ti; dyngen_restore_count++; #endif return 0; }