[PATCH v3 1/8] target/i386: cpu: set correct supported XCR0 features for TCG

Tao Su posted 8 patches 1 month ago
[PATCH v3 1/8] target/i386: cpu: set correct supported XCR0 features for TCG
Posted by Tao Su 1 month ago
From: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
---
 target/i386/cpu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1ff1af032e..b912dba2e5 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1296,7 +1296,9 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             .needs_ecx = true, .ecx = 0,
             .reg = R_EAX,
         },
-        .tcg_features = ~0U,
+        .tcg_features = XSTATE_FP_MASK | XSTATE_SSE_MASK |
+            XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
+            XSTATE_PKRU_MASK,
         .migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK |
             XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
             XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK |
@@ -1309,7 +1311,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             .needs_ecx = true, .ecx = 0,
             .reg = R_EDX,
         },
-        .tcg_features = ~0U,
+        .tcg_features = 0U,
     },
     /*Below are MSR exposed features*/
     [FEAT_ARCH_CAPABILITIES] = {
-- 
2.34.1