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hypervisor: x86: provide a generic SpecialRegisters structure

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2022-07-14 22:05:06 +00:00
committed by Liu Wei
parent d2b194c4f1
commit f1ab86fecb
10 changed files with 185 additions and 59 deletions
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56
hypervisor/src/kvm/x86_64/mod.rs
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@@ -8,7 +8,7 @@
//
//
use crate::arch::x86::{DescriptorTable, SegmentRegister, StandardRegisters};
use crate::arch::x86::{DescriptorTable, SegmentRegister, SpecialRegisters, StandardRegisters};
use crate::kvm::{Cap, Kvm, KvmError, KvmResult};
use serde::{Deserialize, Serialize};
@@ -19,7 +19,7 @@ pub use {
kvm_bindings::kvm_cpuid_entry2 as CpuIdEntry, kvm_bindings::kvm_dtable,
kvm_bindings::kvm_fpu as FpuState, kvm_bindings::kvm_lapic_state as LapicState,
kvm_bindings::kvm_mp_state as MpState, kvm_bindings::kvm_msr_entry as MsrEntry,
kvm_bindings::kvm_regs, kvm_bindings::kvm_segment, kvm_bindings::kvm_sregs as SpecialRegisters,
kvm_bindings::kvm_regs, kvm_bindings::kvm_segment, kvm_bindings::kvm_sregs,
kvm_bindings::kvm_vcpu_events as VcpuEvents,
kvm_bindings::kvm_xcrs as ExtendedControlRegisters, kvm_bindings::kvm_xsave as Xsave,
kvm_bindings::CpuId, kvm_bindings::MsrList, kvm_bindings::Msrs as MsrEntries,
@@ -56,7 +56,7 @@ pub struct VcpuKvmState {
pub msrs: MsrEntries,
pub vcpu_events: VcpuEvents,
pub regs: kvm_regs,
pub sregs: SpecialRegisters,
pub sregs: kvm_sregs,
pub fpu: FpuState,
pub lapic_state: LapicState,
pub xsave: Xsave,
@@ -171,3 +171,53 @@ impl From<kvm_dtable> for DescriptorTable {
}
}
}
impl From<SpecialRegisters> for kvm_sregs {
fn from(s: SpecialRegisters) -> Self {
Self {
cs: s.cs.into(),
ds: s.ds.into(),
es: s.es.into(),
fs: s.fs.into(),
gs: s.gs.into(),
ss: s.ss.into(),
tr: s.tr.into(),
ldt: s.ldt.into(),
gdt: s.gdt.into(),
idt: s.idt.into(),
cr0: s.cr0,
cr2: s.cr2,
cr3: s.cr3,
cr4: s.cr4,
cr8: s.cr8,
efer: s.efer,
apic_base: s.apic_base,
interrupt_bitmap: s.interrupt_bitmap,
}
}
}
impl From<kvm_sregs> for SpecialRegisters {
fn from(s: kvm_sregs) -> Self {
Self {
cs: s.cs.into(),
ds: s.ds.into(),
es: s.es.into(),
fs: s.fs.into(),
gs: s.gs.into(),
ss: s.ss.into(),
tr: s.tr.into(),
ldt: s.ldt.into(),
gdt: s.gdt.into(),
idt: s.idt.into(),
cr0: s.cr0,
cr2: s.cr2,
cr3: s.cr3,
cr4: s.cr4,
cr8: s.cr8,
efer: s.efer,
apic_base: s.apic_base,
interrupt_bitmap: s.interrupt_bitmap,
}
}
}