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authorPeter Maydell <peter.maydell@linaro.org>2018-12-12 21:11:49 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-12-12 21:11:49 +0000
commit8be76cf17bd379eb3c34416b44a170a9b8cfa958 (patch)
tree0e0114571a8befcf9483db082f01222cb91aabb1
parent4b3aab204204ca742836219b97b538d90584f4f2 (diff)
parent0e8916582991b9fd0b94850a8444b8b80d0a0955 (diff)
Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging
x86 queue, 2018-12-11 * New CPU features: MOVDIRI, MOVDIR64B (Liu Jingqi); STIBP (Eduardo Habkost) * Fix clang build warning (Peter Maydell) # gpg: Signature made Tue 11 Dec 2018 20:52:56 GMT # gpg: using RSA key 2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/x86-next-pull-request: i386: Add "stibp" flag name target/i386/kvm.c: Don't mark cpuid_data as QEMU_PACKED x86/cpu: Enable MOVDIR64B cpu feature x86/cpu: Enable MOVDIRI cpu feature Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/i386/cpu.c6
-rw-r--r--target/i386/cpu.h2
-rw-r--r--target/i386/kvm.c10
3 files changed, 14 insertions, 4 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 748eaf8367..677a3bd5fb 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1023,8 +1023,8 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"avx512bitalg", NULL, "avx512-vpopcntdq", NULL,
"la57", NULL, NULL, NULL,
NULL, NULL, "rdpid", NULL,
- NULL, "cldemote", NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, "cldemote", NULL, "movdiri",
+ "movdir64b", NULL, NULL, NULL,
},
.cpuid = {
.eax = 7,
@@ -1042,7 +1042,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
NULL, NULL, NULL, NULL,
NULL, NULL, "pconfig", NULL,
NULL, NULL, NULL, NULL,
- NULL, NULL, "spec-ctrl", NULL,
+ NULL, NULL, "spec-ctrl", "stibp",
NULL, "arch-capabilities", NULL, "ssbd",
},
.cpuid = {
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 9c52d0cbeb..ef41a033c5 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -687,6 +687,8 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_ECX_LA57 (1U << 16)
#define CPUID_7_0_ECX_RDPID (1U << 22)
#define CPUID_7_0_ECX_CLDEMOTE (1U << 25) /* CLDEMOTE Instruction */
+#define CPUID_7_0_ECX_MOVDIRI (1U << 27) /* MOVDIRI Instruction */
+#define CPUID_7_0_ECX_MOVDIR64B (1U << 28) /* MOVDIR64B Instruction */
#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index b2401d13ea..739cf8c8ea 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -864,7 +864,15 @@ int kvm_arch_init_vcpu(CPUState *cs)
struct {
struct kvm_cpuid2 cpuid;
struct kvm_cpuid_entry2 entries[KVM_MAX_CPUID_ENTRIES];
- } QEMU_PACKED cpuid_data;
+ } cpuid_data;
+ /*
+ * The kernel defines these structs with padding fields so there
+ * should be no extra padding in our cpuid_data struct.
+ */
+ QEMU_BUILD_BUG_ON(sizeof(cpuid_data) !=
+ sizeof(struct kvm_cpuid2) +
+ sizeof(struct kvm_cpuid_entry2) * KVM_MAX_CPUID_ENTRIES);
+
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
uint32_t limit, i, j, cpuid_i;