From a0dd64f852f58d267f78c25c35b3f3eae2b521c7 Mon Sep 17 00:00:00 2001 From: Alexander Potapenko Date: Mon, 17 Nov 2025 16:13:55 +0100 Subject: executor: x86: implement SYZOS_API_ENABLE_NESTED Add vendor-specific code to turn on nested virtualization on Intel and AMD. Also provide get_cpu_vendor() to pick the correct implementation. --- executor/kvm.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'executor/kvm.h') diff --git a/executor/kvm.h b/executor/kvm.h index ec6fdccc3..ab6c44601 100644 --- a/executor/kvm.h +++ b/executor/kvm.h @@ -215,14 +215,17 @@ #define X86_SEL_TSS64_CPL3 ((29 << 3) + 3) #define X86_SEL_TSS64_CPL3_HI (30 << 3) +// Model-Specific Registers (MSRs). #define X86_MSR_IA32_FEATURE_CONTROL 0x3a #define X86_MSR_IA32_VMX_BASIC 0x480 #define X86_MSR_IA32_SMBASE 0x9e #define X86_MSR_IA32_SYSENTER_CS 0x174 #define X86_MSR_IA32_SYSENTER_ESP 0x175 #define X86_MSR_IA32_SYSENTER_EIP 0x176 +#define X86_MSR_IA32_EFER 0xc0000080 #define X86_MSR_IA32_STAR 0xC0000081 #define X86_MSR_IA32_LSTAR 0xC0000082 +#define X86_MSR_VM_HSAVE_PA 0xc0010117 #define X86_MSR_IA32_VMX_PROCBASED_CTLS2 0x48B #define X86_NEXT_INSN $0xbadc0de -- cgit mrf-deployment