diff options
| author | David Hildenbrand <david@redhat.com> | 2019-08-26 09:51:08 +0200 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-03 08:34:18 -0700 |
| commit | 59e96ac6cb13951dd09afc70622858089abf3384 (patch) | |
| tree | db560c5f7a2a9b00eb223aff4d826b3342d80cbd | |
| parent | 46750128631eaace54b69ddd8b63683edd4606cc (diff) | |
tcg: Factor out CONFIG_USER_ONLY probe_write() from s390x code
Factor it out into common code. Similar to the !CONFIG_USER_ONLY variant,
let's not allow to cross page boundaries.
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190826075112.25637-4-david@redhat.com>
[rth: Move cpu & cc variables inside if block.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | accel/tcg/user-exec.c | 14 | ||||
| -rw-r--r-- | include/exec/exec-all.h | 4 | ||||
| -rw-r--r-- | target/s390x/mem_helper.c | 7 |
3 files changed, 16 insertions, 9 deletions
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 897d1571c4..86e6827201 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -188,6 +188,20 @@ static inline int handle_cpu_signal(uintptr_t pc, siginfo_t *info, g_assert_not_reached(); } +void probe_write(CPUArchState *env, target_ulong addr, int size, int mmu_idx, + uintptr_t retaddr) +{ + if (!guest_addr_valid(addr) || + page_check_range(addr, size, PAGE_WRITE) < 0) { + CPUState *cpu = env_cpu(env); + CPUClass *cc = CPU_GET_CLASS(cpu); + + cc->tlb_fill(cpu, addr, size, MMU_DATA_STORE, MMU_USER_IDX, false, + retaddr); + g_assert_not_reached(); + } +} + #if defined(__i386__) #if defined(__NetBSD__) diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 135aeaab0d..cbcc85add3 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -260,8 +260,6 @@ void tlb_set_page_with_attrs(CPUState *cpu, target_ulong vaddr, void tlb_set_page(CPUState *cpu, target_ulong vaddr, hwaddr paddr, int prot, int mmu_idx, target_ulong size); -void probe_write(CPUArchState *env, target_ulong addr, int size, int mmu_idx, - uintptr_t retaddr); #else static inline void tlb_init(CPUState *cpu) { @@ -312,6 +310,8 @@ static inline void tlb_flush_by_mmuidx_all_cpus_synced(CPUState *cpu, { } #endif +void probe_write(CPUArchState *env, target_ulong addr, int size, int mmu_idx, + uintptr_t retaddr); #define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */ diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 4b43440e89..fdff60ce5d 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -2615,12 +2615,6 @@ uint32_t HELPER(cu42)(CPUS390XState *env, uint32_t r1, uint32_t r2, uint32_t m3) void probe_write_access(CPUS390XState *env, uint64_t addr, uint64_t len, uintptr_t ra) { -#ifdef CONFIG_USER_ONLY - if (!guest_addr_valid(addr) || !guest_addr_valid(addr + len - 1) || - page_check_range(addr, len, PAGE_WRITE) < 0) { - s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra); - } -#else /* test the actual access, not just any access to the page due to LAP */ while (len) { const uint64_t pagelen = -(addr | TARGET_PAGE_MASK); @@ -2630,7 +2624,6 @@ void probe_write_access(CPUS390XState *env, uint64_t addr, uint64_t len, addr = wrap_address(env, addr + curlen); len -= curlen; } -#endif } void HELPER(probe_write_access)(CPUS390XState *env, uint64_t addr, uint64_t len) |