diff options
Diffstat (limited to 'include/exec/translator.h')
| -rw-r--r-- | include/exec/translator.h | 81 |
1 files changed, 38 insertions, 43 deletions
diff --git a/include/exec/translator.h b/include/exec/translator.h index 25004df..3c32655 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -18,24 +18,10 @@ * member in your target-specific DisasContext. */ -#include "qemu/bswap.h" +#include "exec/memop.h" #include "exec/vaddr.h" /** - * gen_intermediate_code - * @cpu: cpu context - * @tb: translation block - * @max_insns: max number of instructions to translate - * @pc: guest virtual program counter address - * @host_pc: host physical program counter address - * - * This function must be provided by the target, which should create - * the target-specific DisasContext, and then invoke translator_loop. - */ -void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int *max_insns, - vaddr pc, void *host_pc); - -/** * DisasJumpType: * @DISAS_NEXT: Next instruction in program order. * @DISAS_TOO_MANY: Too many instructions translated. @@ -71,7 +57,6 @@ typedef enum DisasJumpType { * @is_jmp: What instruction to disassemble next. * @num_insns: Number of translated instructions (including current). * @max_insns: Maximum number of instructions to be translated in this TB. - * @singlestep_enabled: "Hardware" single stepping enabled. * @plugin_enabled: TCG plugin enabled in this TB. * @fake_insn: True if translator_fake_ldb used. * @insn_start: The last op emitted by the insn_start hook, @@ -86,9 +71,9 @@ struct DisasContextBase { DisasJumpType is_jmp; int num_insns; int max_insns; - bool singlestep_enabled; bool plugin_enabled; bool fake_insn; + uint8_t code_mmuidx; struct TCGOp *insn_start; void *host_addr[2]; @@ -196,42 +181,53 @@ bool translator_io_start(DisasContextBase *db); */ uint8_t translator_ldub(CPUArchState *env, DisasContextBase *db, vaddr pc); -uint16_t translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc); -uint32_t translator_ldl(CPUArchState *env, DisasContextBase *db, vaddr pc); -uint64_t translator_ldq(CPUArchState *env, DisasContextBase *db, vaddr pc); +uint16_t translator_lduw_end(CPUArchState *env, DisasContextBase *db, + vaddr pc, MemOp endian); +uint32_t translator_ldl_end(CPUArchState *env, DisasContextBase *db, + vaddr pc, MemOp endian); +uint64_t translator_ldq_end(CPUArchState *env, DisasContextBase *db, + vaddr pc, MemOp endian); + +#ifdef COMPILING_PER_TARGET +static inline uint16_t +translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc) +{ + return translator_lduw_end(env, db, pc, MO_TE); +} + +static inline uint32_t +translator_ldl(CPUArchState *env, DisasContextBase *db, vaddr pc) +{ + return translator_ldl_end(env, db, pc, MO_TE); +} + +static inline uint64_t +translator_ldq(CPUArchState *env, DisasContextBase *db, vaddr pc) +{ + return translator_ldq_end(env, db, pc, MO_TE); +} static inline uint16_t translator_lduw_swap(CPUArchState *env, DisasContextBase *db, vaddr pc, bool do_swap) { - uint16_t ret = translator_lduw(env, db, pc); - if (do_swap) { - ret = bswap16(ret); - } - return ret; + return translator_lduw_end(env, db, pc, MO_TE ^ (do_swap * MO_BSWAP)); } static inline uint32_t translator_ldl_swap(CPUArchState *env, DisasContextBase *db, vaddr pc, bool do_swap) { - uint32_t ret = translator_ldl(env, db, pc); - if (do_swap) { - ret = bswap32(ret); - } - return ret; + return translator_ldl_end(env, db, pc, MO_TE ^ (do_swap * MO_BSWAP)); } static inline uint64_t translator_ldq_swap(CPUArchState *env, DisasContextBase *db, vaddr pc, bool do_swap) { - uint64_t ret = translator_ldq(env, db, pc); - if (do_swap) { - ret = bswap64(ret); - } - return ret; + return translator_ldq_end(env, db, pc, MO_TE ^ (do_swap * MO_BSWAP)); } +#endif /* COMPILING_PER_TARGET */ /** * translator_fake_ld - fake instruction load @@ -269,16 +265,15 @@ bool translator_st(const DisasContextBase *db, void *dest, */ size_t translator_st_len(const DisasContextBase *db); -#ifdef COMPILING_PER_TARGET -/* - * Return whether addr is on the same page as where disassembly started. +/** + * translator_is_same_page + * @db: disassembly context + * @addr: virtual address within TB + * + * Return whether @addr is on the same page as where disassembly started. * Translators can use this to enforce the rule that only single-insn * translation blocks are allowed to cross page boundaries. */ -static inline bool is_same_page(const DisasContextBase *db, vaddr addr) -{ - return ((addr ^ db->pc_first) & TARGET_PAGE_MASK) == 0; -} -#endif +bool translator_is_same_page(const DisasContextBase *db, vaddr addr); #endif /* EXEC__TRANSLATOR_H */ |