diff options
Diffstat (limited to 'include/exec/cpu_ldst.h')
-rw-r--r-- | include/exec/cpu_ldst.h | 67 |
1 files changed, 24 insertions, 43 deletions
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index cf4652bf48..62f38d5a22 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -94,32 +94,6 @@ typedef target_ulong abi_ptr; #define TARGET_ABI_FMT_ptr TARGET_ABI_FMT_lx #endif -#if defined(CONFIG_USER_ONLY) - -extern __thread uintptr_t helper_retaddr; - -static inline void set_helper_retaddr(uintptr_t ra) -{ - helper_retaddr = ra; - /* - * Ensure that this write is visible to the SIGSEGV handler that - * may be invoked due to a subsequent invalid memory operation. - */ - signal_barrier(); -} - -static inline void clear_helper_retaddr(void) -{ - /* - * Ensure that previous memory operations have succeeded before - * removing the data visible to the signal handler. - */ - signal_barrier(); - helper_retaddr = 0; -} - -/* In user-only mode we provide only the _code and _data accessors. */ - uint32_t cpu_ldub_data(CPUArchState *env, abi_ptr ptr); uint32_t cpu_lduw_data(CPUArchState *env, abi_ptr ptr); uint32_t cpu_ldl_data(CPUArchState *env, abi_ptr ptr); @@ -148,6 +122,30 @@ void cpu_stl_data_ra(CPUArchState *env, abi_ptr ptr, void cpu_stq_data_ra(CPUArchState *env, abi_ptr ptr, uint64_t val, uintptr_t retaddr); +#if defined(CONFIG_USER_ONLY) + +extern __thread uintptr_t helper_retaddr; + +static inline void set_helper_retaddr(uintptr_t ra) +{ + helper_retaddr = ra; + /* + * Ensure that this write is visible to the SIGSEGV handler that + * may be invoked due to a subsequent invalid memory operation. + */ + signal_barrier(); +} + +static inline void clear_helper_retaddr(void) +{ + /* + * Ensure that previous memory operations have succeeded before + * removing the data visible to the signal handler. + */ + signal_barrier(); + helper_retaddr = 0; +} + /* * Provide the same *_mmuidx_ra interface as for softmmu. * The mmu_idx argument is ignored. @@ -271,23 +269,6 @@ void cpu_stl_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint32_t val, void cpu_stq_mmuidx_ra(CPUArchState *env, abi_ptr addr, uint64_t val, int mmu_idx, uintptr_t retaddr); -/* these access are slower, they must be as rare as possible */ -#define CPU_MMU_INDEX (cpu_mmu_index(env, false)) -#define MEMSUFFIX _data -#define DATA_SIZE 1 -#include "exec/cpu_ldst_template.h" - -#define DATA_SIZE 2 -#include "exec/cpu_ldst_template.h" - -#define DATA_SIZE 4 -#include "exec/cpu_ldst_template.h" - -#define DATA_SIZE 8 -#include "exec/cpu_ldst_template.h" -#undef CPU_MMU_INDEX -#undef MEMSUFFIX - #endif /* defined(CONFIG_USER_ONLY) */ uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr); |