TCG implements RDSEED, and in fact uses qcrypto_random_bytes which is
secure enough to match hardware behavior. Expose it to guests.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
target/i386/cpu.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ff3dcd02dcb..fc4246223d4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -657,11 +657,10 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
- CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_AVX2)
+ CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_RDSEED)
/* missing:
CPUID_7_0_EBX_HLE
- CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
- CPUID_7_0_EBX_RDSEED */
+ CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM */
#define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | \
/* CPUID_7_0_ECX_OSPKE is dynamic */ \
CPUID_7_0_ECX_LA57 | CPUID_7_0_ECX_PKS | CPUID_7_0_ECX_VAES)
--
2.40.1
