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[PATCH v3 22/41] target/arm: Use cpu_loop_exit_segv for mte tag lookup
From: |
Richard Henderson |
Subject: |
[PATCH v3 22/41] target/arm: Use cpu_loop_exit_segv for mte tag lookup |
Date: |
Fri, 1 Oct 2021 13:11:32 -0400 |
Use the new os interface for raising the exception,
rather than calling arm_cpu_tlb_fill directly.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/mte_helper.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c
index 724175210b..1500a498b0 100644
--- a/target/arm/mte_helper.c
+++ b/target/arm/mte_helper.c
@@ -84,10 +84,8 @@ static uint8_t *allocation_tag_mem(CPUARMState *env, int
ptr_mmu_idx,
uintptr_t index;
if (!(flags & (ptr_access == MMU_DATA_STORE ? PAGE_WRITE_ORG :
PAGE_READ))) {
- /* SIGSEGV */
- arm_cpu_tlb_fill(env_cpu(env), ptr, ptr_size, ptr_access,
- ptr_mmu_idx, false, ra);
- g_assert_not_reached();
+ cpu_loop_exit_segv(env_cpu(env), ptr, ptr_access,
+ !(flags & PAGE_VALID), ra);
}
/* Require both MAP_ANON and PROT_MTE for the page. */
--
2.25.1
- [PATCH v3 31/41] target/nios2: Implement nios2_cpu_record_sigsegv, (continued)
- [PATCH v3 31/41] target/nios2: Implement nios2_cpu_record_sigsegv, Richard Henderson, 2021/10/01
- [PATCH v3 35/41] target/riscv: Make riscv_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 37/41] target/s390x: Implement s390_cpu_record_sigsegv, Richard Henderson, 2021/10/01
- [PATCH v3 39/41] target/sparc: Make sparc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 26/41] target/hppa: Make hppa_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 21/41] target/alpha: Make alpha_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 22/41] target/arm: Use cpu_loop_exit_segv for mte tag lookup,
Richard Henderson <=
- [PATCH v3 23/41] target/arm: Implement arm_cpu_record_sigsegv, Richard Henderson, 2021/10/01
- [PATCH v3 29/41] target/microblaze: Make mb_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 33/41] target/openrisc: Make openrisc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 38/41] target/sh4: Make sh4_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01
- [PATCH v3 36/41] target/s390x: Use probe_access_flags in s390_probe_access, Richard Henderson, 2021/10/01
- [PATCH v3 34/41] target/ppc: Implement ppc_cpu_record_sigsegv, Richard Henderson, 2021/10/01
- [PATCH v3 40/41] target/xtensa: Make xtensa_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/01