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accel/tcg: Add cpu_ld*_code_mmu

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At least RISC-V has the need to be able to perform a read
using execute permissions, outside of translation.
Add helpers to facilitate this.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Tested-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230325105429.1142530-9-richard.henderson@linaro.org>
Message-Id: <20230412114333.118895-9-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson
2023-05-02 13:05:45 -07:00
parent dc165fcd4e
commit 2899062614
3 changed files with 115 additions and 0 deletions
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include/exec/cpu_ldst.h
+9
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@@ -445,6 +445,15 @@ static inline CPUTLBEntry *tlb_entry(CPUArchState *env, uintptr_t mmu_idx,
# define cpu_stq_mmu cpu_stq_le_mmu
#endif
uint8_t cpu_ldb_code_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
uint16_t cpu_ldw_code_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
uint32_t cpu_ldl_code_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
uint64_t cpu_ldq_code_mmu(CPUArchState *env, abi_ptr addr,
MemOpIdx oi, uintptr_t ra);
uint32_t cpu_ldub_code(CPUArchState *env, abi_ptr addr);
uint32_t cpu_lduw_code(CPUArchState *env, abi_ptr addr);
uint32_t cpu_ldl_code(CPUArchState *env, abi_ptr addr);