Revision 2e70f6ef exec-all.h
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#define DISAS_UPDATE 2 /* cpu state was modified dynamically */ |
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#define DISAS_TB_JUMP 3 /* only pc was modified statically */ |
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struct TranslationBlock;
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typedef struct TranslationBlock TranslationBlock;
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/* XXX: make safe guess about sizes */ |
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#define MAX_OP_PER_INSTR 64 |
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extern target_ulong gen_opc_npc[OPC_BUF_SIZE]; |
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extern uint8_t gen_opc_cc_op[OPC_BUF_SIZE]; |
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extern uint8_t gen_opc_instr_start[OPC_BUF_SIZE]; |
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extern uint16_t gen_opc_icount[OPC_BUF_SIZE]; |
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extern target_ulong gen_opc_jump_pc[2]; |
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extern uint32_t gen_opc_hflags[OPC_BUF_SIZE]; |
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CPUState *env, unsigned long searched_pc, |
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void *puc); |
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void cpu_resume_from_signal(CPUState *env1, void *puc); |
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void cpu_io_recompile(CPUState *env, void *retaddr); |
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TranslationBlock *tb_gen_code(CPUState *env, |
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target_ulong pc, target_ulong cs_base, int flags, |
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int cflags); |
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void cpu_exec_init(CPUState *env); |
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int page_unprotect(target_ulong address, unsigned long pc, void *puc); |
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void tb_invalidate_phys_page_range(target_phys_addr_t start, target_phys_addr_t end, |
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#define USE_DIRECT_JUMP |
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#endif |
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typedef struct TranslationBlock {
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struct TranslationBlock {
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target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */ |
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target_ulong cs_base; /* CS base for this block */ |
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uint64_t flags; /* flags defining in which context the code was generated */ |
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uint16_t size; /* size of target code for this block (1 <= |
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size <= TARGET_PAGE_SIZE) */ |
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uint16_t cflags; /* compile flags */ |
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#define CF_TB_FP_USED 0x0002 /* fp ops are used in the TB */ |
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#define CF_FP_USED 0x0004 /* fp ops are used in the TB or in a chained TB */ |
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#define CF_SINGLE_INSN 0x0008 /* compile only a single instruction */ |
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#define CF_COUNT_MASK 0x7fff |
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#define CF_LAST_IO 0x8000 /* Last insn may be an IO access. */ |
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uint8_t *tc_ptr; /* pointer to the translated code */ |
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/* next matching tb for physical address. */ |
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jmp_first */ |
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struct TranslationBlock *jmp_next[2]; |
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struct TranslationBlock *jmp_first; |
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} TranslationBlock; |
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uint32_t icount; |
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}; |
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static inline unsigned int tb_jmp_cache_hash_page(target_ulong pc) |
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{
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} |
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TranslationBlock *tb_alloc(target_ulong pc); |
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void tb_free(TranslationBlock *tb); |
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void tb_flush(CPUState *env); |
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void tb_link_phys(TranslationBlock *tb, |
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target_ulong phys_pc, target_ulong phys_page2); |
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void tb_phys_invalidate(TranslationBlock *tb, target_ulong page_addr); |
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extern TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE]; |
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extern uint8_t *code_gen_ptr; |
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} |
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return addr + env1->tlb_table[mmu_idx][page_index].addend - (unsigned long)phys_ram_base; |
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} |
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/* Deterministic execution requires that IO only be performaed on the last |
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instruction of a TB so that interrupts take effect immediately. */ |
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static inline int can_do_io(CPUState *env) |
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{
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if (!use_icount) |
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return 1; |
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/* If not executing code then assume we are ok. */ |
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if (!env->current_tb) |
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return 1; |
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return env->can_do_io != 0; |
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} |
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#endif |
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#ifdef USE_KQEMU |
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