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[PATCH v3 6/6] target/arm: Fix SVE/SME gross MTE suppression checks
From: |
Richard Henderson |
Subject: |
[PATCH v3 6/6] target/arm: Fix SVE/SME gross MTE suppression checks |
Date: |
Wed, 7 Feb 2024 12:52:10 +1000 |
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>
---
target/arm/tcg/sme_helper.c | 8 ++++----
target/arm/tcg/sve_helper.c | 12 ++++++------
2 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/target/arm/tcg/sme_helper.c b/target/arm/tcg/sme_helper.c
index 1ee2690ceb..904bfdac43 100644
--- a/target/arm/tcg/sme_helper.c
+++ b/target/arm/tcg/sme_helper.c
@@ -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;
}
diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c
index bce4295d28..6853f58c19 100644
--- a/target/arm/tcg/sve_helper.c
+++ b/target/arm/tcg/sve_helper.c
@@ -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;
}
--
2.34.1
- [PATCH v3 1/6] linux-user/aarch64: Choose SYNC as the preferred MTE mode, (continued)
- [PATCH v3 1/6] linux-user/aarch64: Choose SYNC as the preferred MTE mode, Richard Henderson, 2024/02/06
- [PATCH v3 2/6] target/arm: Fix nregs computation in do_{ld,st}_zpa, Richard Henderson, 2024/02/06
- [PATCH v3 3/6] target/arm: Adjust and validate mtedesc sizem1, Richard Henderson, 2024/02/06
- [PATCH v3 4/6] target/arm: Split out make_svemte_desc, Richard Henderson, 2024/02/06
- [PATCH v3 5/6] target/arm: Handle mte in do_ldrq, do_ldro, Richard Henderson, 2024/02/06
- [PATCH v3 6/6] target/arm: Fix SVE/SME gross MTE suppression checks,
Richard Henderson <=
- Re: [PATCH v3 0/6] target/arm: assorted mte fixes, Gustavo Romero, 2024/02/07
- Re: [PATCH v3 0/6] target/arm: assorted mte fixes, Peter Maydell, 2024/02/08