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[PULL 09/18] target/i386: TCG supports RDSEED
From: |
Paolo Bonzini |
Subject: |
[PULL 09/18] target/i386: TCG supports RDSEED |
Date: |
Mon, 26 Jun 2023 13:14:36 +0200 |
TCG implements RDSEED, and in fact uses qcrypto_random_bytes which is
secure enough to match hardware behavior. Expose it to guests.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@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)
--
2.41.0
- [PULL 00/18] Misc, i386 patches for 2023-06-26, Paolo Bonzini, 2023/06/26
- [PULL 03/18] numa: Validate cluster and NUMA node boundary if required, Paolo Bonzini, 2023/06/26
- [PULL 04/18] hw/arm: Validate cluster and NUMA node boundary, Paolo Bonzini, 2023/06/26
- [PULL 01/18] build: further refine build.ninja rules, Paolo Bonzini, 2023/06/26
- [PULL 02/18] hw/remote/proxy: Remove dubious 'event_notifier-posix.c' include, Paolo Bonzini, 2023/06/26
- [PULL 06/18] kvm: reuse per-vcpu stats fd to avoid vcpu interruption, Paolo Bonzini, 2023/06/26
- [PULL 05/18] hw/riscv: Validate cluster and NUMA node boundary, Paolo Bonzini, 2023/06/26
- [PULL 07/18] target/i386: fix INVD vmexit, Paolo Bonzini, 2023/06/26
- [PULL 08/18] target/i386: TCG supports 3DNow! prefetch(w), Paolo Bonzini, 2023/06/26
- [PULL 09/18] target/i386: TCG supports RDSEED,
Paolo Bonzini <=
- [PULL 10/18] target/i386: do not accept RDSEED if CPUID bit absent, Paolo Bonzini, 2023/06/26
- [PULL 11/18] target/i386: TCG supports XSAVEERPTR, Paolo Bonzini, 2023/06/26
- [PULL 13/18] target/i386: Intel only supports SYSCALL/SYSRET in long mode, Paolo Bonzini, 2023/06/26
- [PULL 12/18] target/i386: TCG supports WBNOINVD, Paolo Bonzini, 2023/06/26
- [PULL 16/18] target/i386: implement RDPID in TCG, Paolo Bonzini, 2023/06/26
- [PULL 14/18] target/i386: AMD only supports SYSENTER/SYSEXIT in 32-bit mode, Paolo Bonzini, 2023/06/26
- [PULL 15/18] target/i386: sysret and sysexit are privileged, Paolo Bonzini, 2023/06/26
- [PULL 17/18] target/i386: implement SYSCALL/SYSRET in 32-bit emulators, Paolo Bonzini, 2023/06/26
- [PULL 18/18] git-submodule.sh: allow running in validate mode without previous update, Paolo Bonzini, 2023/06/26
- Re: [PULL 00/18] Misc, i386 patches for 2023-06-26, Richard Henderson, 2023/06/26