static TranslationBlock *tb_find_slow(target_ulong pc, target_ulong cs_base, uint64_t flags) { TranslationBlock *tb, **ptb1; unsigned int h; tb_page_addr_t phys_pc, phys_page1, phys_page2; target_ulong virt_page2; tb_invalidated_flag = 0; /* find translated block using physical mappings */ phys_pc = get_page_addr_code(env, pc); phys_page1 = phys_pc & TARGET_PAGE_MASK; phys_page2 = -1; h = tb_phys_hash_func(phys_pc); ptb1 = &tb_phys_hash[h]; for(;;) { tb = *ptb1; if (!tb) goto not_found; if (tb->pc == pc && tb->page_addr[0] == phys_page1 && tb->cs_base == cs_base && tb->flags == flags) { /* check next page if needed */ if (tb->page_addr[1] != -1) { virt_page2 = (pc & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; phys_page2 = get_page_addr_code(env, virt_page2); if (tb->page_addr[1] == phys_page2) goto found; } else { goto found; } } ptb1 = &tb->phys_hash_next; } not_found: /* if no translated code available, then translate it now */ tb = tb_gen_code(env, pc, cs_base, flags, 0); found: /* Move the last found TB to the head of the list */ if (likely(*ptb1)) { *ptb1 = tb->phys_hash_next; tb->phys_hash_next = tb_phys_hash[h]; tb_phys_hash[h] = tb; } /* we add the TB in the virtual pc hash table */ env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb; return tb; }