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target/arm: Fix SVE/SME gross MTE suppression checks 

The TBI and TCMA bits are located within mtedesc, not desc.

Cc: qemu-stable@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-id: 20240207025210.8837-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2024-02-15 11:30:45 +00:00 committed by Peter Maydell
parent 623507ccfc
commit 855f94eca8
2 changed files with 10 additions and 10 deletions
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8
target/arm/tcg/sme_helper.c
View File

@ -573,8 +573,8 @@ void sme_ld1_mte(CPUARMState *env, void *za, uint64_t *vg,
desc = extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT);
/* Perform gross MTE suppression early. */
if (!tbi_check(desc, bit55) ||
tcma_check(desc, bit55, allocation_tag_from_addr(addr))) {
if (!tbi_check(mtedesc, bit55) ||
tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) {
mtedesc = 0;
}
@ -750,8 +750,8 @@ void sme_st1_mte(CPUARMState *env, void *za, uint64_t *vg, target_ulong addr,
desc = extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT);
/* Perform gross MTE suppression early. */
if (!tbi_check(desc, bit55) ||
tcma_check(desc, bit55, allocation_tag_from_addr(addr))) {
if (!tbi_check(mtedesc, bit55) ||
tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) {
mtedesc = 0;
}

12
target/arm/tcg/sve_helper.c
View File

@ -5800,8 +5800,8 @@ void sve_ldN_r_mte(CPUARMState *env, uint64_t *vg, target_ulong addr,
desc = extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT);
/* Perform gross MTE suppression early. */
if (!tbi_check(desc, bit55) ||
tcma_check(desc, bit55, allocation_tag_from_addr(addr))) {
if (!tbi_check(mtedesc, bit55) ||
tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) {
mtedesc = 0;
}
@ -6156,8 +6156,8 @@ void sve_ldnfff1_r_mte(CPUARMState *env, void *vg, target_ulong addr,
desc = extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT);
/* Perform gross MTE suppression early. */
if (!tbi_check(desc, bit55) ||
tcma_check(desc, bit55, allocation_tag_from_addr(addr))) {
if (!tbi_check(mtedesc, bit55) ||
tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) {
mtedesc = 0;
}
@ -6410,8 +6410,8 @@ void sve_stN_r_mte(CPUARMState *env, uint64_t *vg, target_ulong addr,
desc = extract32(desc, 0, SIMD_DATA_SHIFT + SVE_MTEDESC_SHIFT);
/* Perform gross MTE suppression early. */
if (!tbi_check(desc, bit55) ||
tcma_check(desc, bit55, allocation_tag_from_addr(addr))) {
if (!tbi_check(mtedesc, bit55) ||
tcma_check(mtedesc, bit55, allocation_tag_from_addr(addr))) {
mtedesc = 0;
}