diff mbox series

[Stable-7.2.10,21/33] target/arm: Fix SVE/SME gross MTE suppression checks

Message ID 20240221214723.2339742-21-mjt@tls.msk.ru
State New
Headers show
Series None | expand

Commit Message

Michael Tokarev Feb. 21, 2024, 9:47 p.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

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>
(cherry picked from commit 855f94eca80c85a99f459e36684ea2f98f6a3243)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff mbox series

Patch

diff --git a/target/arm/sme_helper.c b/target/arm/sme_helper.c
index 8856773635..d592c78ec9 100644
--- a/target/arm/sme_helper.c
+++ b/target/arm/sme_helper.c
@@ -606,8 +606,8 @@  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;
     }
 
@@ -783,8 +783,8 @@  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/sve_helper.c b/target/arm/sve_helper.c
index 27838fb6e2..45a93755fe 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -5803,8 +5803,8 @@  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;
     }
 
@@ -6159,8 +6159,8 @@  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;
     }
 
@@ -6413,8 +6413,8 @@  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;
     }