diff options
| author | Alexander Potapenko <glider@google.com> | 2025-10-13 15:05:46 +0200 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2025-10-17 06:51:20 +0000 |
| commit | 1bf5eb12ff86ff72f837a79ea186d4391edd4214 (patch) | |
| tree | 0f1b7d10eee7aa0725e52926b843460207504473 /executor/kvm.h | |
| parent | bc704f36a2d3ef35b1857bc077e58e98c9af4f94 (diff) | |
executor: rework GDT setup for SYZOS
Untangle SYZOS GDT setup from the legacy one.
Drop LDT and TSS for now.
Diffstat (limited to 'executor/kvm.h')
| -rw-r--r-- | executor/kvm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/executor/kvm.h b/executor/kvm.h index 28391db57..57d8aa490 100644 --- a/executor/kvm.h +++ b/executor/kvm.h @@ -51,6 +51,7 @@ #define X86_SYZOS_ADDR_PT_UNUSED_MEM 0x7000 // IOAPIC PT for GPAs 0xfed00000 - 0xfedfffff. #define X86_SYZOS_ADDR_PT_IOAPIC 0x9000 +#define X86_SYZOS_ADDR_VAR_IDT 0x10000 #define X86_SYZOS_ADDR_SMRAM 0x30000 // Write to this page to trigger a page fault and stop KVM_RUN. @@ -66,6 +67,10 @@ #define X86_SYZOS_ADDR_UNUSED 0x200000 #define X86_SYZOS_ADDR_IOAPIC 0xfec00000 +// SYZOS segment selectors +#define X86_SYZOS_SEL_CODE 0x8 +#define X86_SYZOS_SEL_DATA 0x10 + #define X86_CR0_PE 1ULL #define X86_CR0_MP (1ULL << 1) #define X86_CR0_EM (1ULL << 2) |