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exec: Add both big- and little-endian memory helpers

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Step three in the transition: helpers not tied to the target
"default" endianness.  To be used when the guest uses a memory
operation with non-default endianness.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-09-04 11:45:20 -07:00
parent f713d6ad7b
commit 867b3201a3
2 changed files with 306 additions and 53 deletions
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69
tcg/tcg.h
View file

@ -774,29 +774,66 @@ void tcg_register_jit(void *buf, size_t buf_size);
/* Value zero-extended to tcg register size. */
tcg_target_ulong helper_ret_ldub_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_ret_lduw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_ret_ldul_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
uint64_t helper_ret_ldq_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_le_lduw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_le_ldul_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
uint64_t helper_le_ldq_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_be_lduw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_be_ldul_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
uint64_t helper_be_ldq_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
/* Value sign-extended to tcg register size. */
tcg_target_ulong helper_ret_ldsb_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_ret_ldsw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_ret_ldsl_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_le_ldsw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_le_ldsl_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_be_ldsw_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
tcg_target_ulong helper_be_ldsl_mmu(CPUArchState *env, target_ulong addr,
int mmu_idx, uintptr_t retaddr);
void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint8_t val,
int mmu_idx, uintptr_t retaddr);
void helper_ret_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
int mmu_idx, uintptr_t retaddr);
void helper_ret_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
int mmu_idx, uintptr_t retaddr);
void helper_ret_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
int mmu_idx, uintptr_t retaddr);
void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
int mmu_idx, uintptr_t retaddr);
void helper_le_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
int mmu_idx, uintptr_t retaddr);
void helper_le_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
int mmu_idx, uintptr_t retaddr);
void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint16_t val,
int mmu_idx, uintptr_t retaddr);
void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
int mmu_idx, uintptr_t retaddr);
void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
int mmu_idx, uintptr_t retaddr);
/* Temporary aliases until backends are converted. */
#ifdef TARGET_WORDS_BIGENDIAN
# define helper_ret_ldsw_mmu helper_be_ldsw_mmu
# define helper_ret_lduw_mmu helper_be_lduw_mmu
# define helper_ret_ldsl_mmu helper_be_ldsl_mmu
# define helper_ret_ldul_mmu helper_be_ldul_mmu
# define helper_ret_ldq_mmu helper_be_ldq_mmu
# define helper_ret_stw_mmu helper_be_stw_mmu
# define helper_ret_stl_mmu helper_be_stl_mmu
# define helper_ret_stq_mmu helper_be_stq_mmu
#else
# define helper_ret_ldsw_mmu helper_le_ldsw_mmu
# define helper_ret_lduw_mmu helper_le_lduw_mmu
# define helper_ret_ldsl_mmu helper_le_ldsl_mmu
# define helper_ret_ldul_mmu helper_le_ldul_mmu
# define helper_ret_ldq_mmu helper_le_ldq_mmu
# define helper_ret_stw_mmu helper_le_stw_mmu
# define helper_ret_stl_mmu helper_le_stl_mmu
# define helper_ret_stq_mmu helper_le_stq_mmu
#endif
uint8_t helper_ldb_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);
uint16_t helper_ldw_mmu(CPUArchState *env, target_ulong addr, int mmu_idx);