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target/arm: Pass the entire mte descriptor to mte_check_fail

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We need more information than just the mmu_idx in order
to create the proper exception syndrome. Only change the
function signature so far.

Backports dbf8c32178291169e111a6a9fd7ae17af4a3039d
This commit is contained in:
Richard Henderson 2021-02-26 12:19:40 -05:00 committed by Lioncash
parent d4c59cce4e
commit 6969435fb8
1 changed files with 5 additions and 5 deletions
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10
qemu/target/arm/mte_helper.c
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@ -490,9 +490,10 @@ void HELPER(stzgm_tags)(CPUARMState *env, uint64_t ptr, uint64_t val)
}
/* Record a tag check failure. */
static void mte_check_fail(CPUARMState *env, int mmu_idx,
static void mte_check_fail(CPUARMState *env, uint32_t desc,
uint64_t dirty_ptr, uintptr_t ra)
{
int mmu_idx = FIELD_EX32(desc, MTEDESC, MIDX);
ARMMMUIdx arm_mmu_idx = core_to_aa64_mmu_idx(mmu_idx);
int el, reg_el, tcf, select;
uint64_t sctlr;
@ -615,8 +616,7 @@ uint64_t mte_check1_(CPUARMState *env, uint32_t desc,
}
if (unlikely(!mte_probe1_int(env, desc, ptr, ra, bit55))) {
int mmu_idx = FIELD_EX32(desc, MTEDESC, MIDX);
mte_check_fail(env, mmu_idx, ptr, ra);
mte_check_fail(env, desc, ptr, ra);
}
return useronly_clean_ptr(ptr);
@ -782,7 +782,7 @@ uint64_t mte_checkN_(CPUARMState *env, uint32_t desc,
fail_ofs = tag_first + n * TAG_GRANULE - ptr;
fail_ofs = ROUND_UP(fail_ofs, esize);
mte_check_fail(env, mmu_idx, ptr + fail_ofs, ra);
mte_check_fail(env, desc, ptr + fail_ofs, ra);
}
done:
@ -894,7 +894,7 @@ uint64_t HELPER(mte_check_zva)(CPUARMState *env, uint32_t desc, uint64_t ptr)
fail:
/* Locate the first nibble that differs. */
i = ctz64(mem_tag ^ ptr_tag) >> 4;
mte_check_fail(env, mmu_idx, align_ptr + i * TAG_GRANULE, ra);
mte_check_fail(env, desc, align_ptr + i * TAG_GRANULE, ra);
done:
return useronly_clean_ptr(ptr);