diff options
| author | Alexander Potapenko <glider@google.com> | 2025-11-14 17:46:50 +0100 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-11-19 08:59:40 +0000 |
| commit | 825f9f21aae8dd655126b50de70210bacbd330f9 (patch) | |
| tree | 89714b46f8fe5f200ef0ba9422ace70aaa27bdd0 /executor/kvm.h | |
| parent | 6157b0280f1054052c9a36acb4fbae22288dc966 (diff) | |
executor: x86: Configure L1 guest TSS for nested virtualization
Set up the L1 guest's 64-bit Task State Segment (TSS), a prerequisite for VMX/SVM.
Diffstat (limited to 'executor/kvm.h')
| -rw-r--r-- | executor/kvm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/executor/kvm.h b/executor/kvm.h index 835d717ae..ec6fdccc3 100644 --- a/executor/kvm.h +++ b/executor/kvm.h @@ -48,6 +48,7 @@ // Pool of 32 pages for dynamic PT/PD allocations. #define X86_SYZOS_ADDR_PT_POOL 0x5000 #define X86_SYZOS_ADDR_VAR_IDT 0x25000 +#define X86_SYZOS_ADDR_VAR_TSS 0x26000 #define X86_SYZOS_ADDR_SMRAM 0x30000 // Write to this page to trigger a page fault and stop KVM_RUN. @@ -124,6 +125,7 @@ // SYZOS segment selectors #define X86_SYZOS_SEL_CODE 0x8 #define X86_SYZOS_SEL_DATA 0x10 +#define X86_SYZOS_SEL_TSS64 0x18 #define X86_CR0_PE 1ULL #define X86_CR0_MP (1ULL << 1) |