hypervisor: x86: provide a generic SpecialRegisters structure

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

View File

@@ -37,7 +37,7 @@ use std::fs::File;
use std::os::unix::io::AsRawFd;
#[cfg(target_arch = "x86_64")]
use crate::arch::x86::StandardRegisters;
use crate::arch::x86::{SpecialRegisters, StandardRegisters};
const DIRTY_BITMAP_CLEAR_DIRTY: u64 = 0x4;
const DIRTY_BITMAP_SET_DIRTY: u64 = 0x8;
@@ -296,17 +296,20 @@ impl cpu::Vcpu for MshvVcpu {
/// Returns the vCPU special registers.
///
fn get_sregs(&self) -> cpu::Result<SpecialRegisters> {
self.fd
Ok(self
.fd
.get_sregs()
.map_err(|e| cpu::HypervisorCpuError::GetSpecialRegs(e.into()))
.map_err(|e| cpu::HypervisorCpuError::GetSpecialRegs(e.into()))?
.into())
}
#[cfg(target_arch = "x86_64")]
///
/// Sets the vCPU special registers.
///
fn set_sregs(&self, sregs: &SpecialRegisters) -> cpu::Result<()> {
let sregs = (*sregs).into();
self.fd
.set_sregs(sregs)
.set_sregs(&sregs)
.map_err(|e| cpu::HypervisorCpuError::SetSpecialRegs(e.into()))
}
#[cfg(target_arch = "x86_64")]
@@ -626,7 +629,7 @@ impl cpu::Vcpu for MshvVcpu {
self.set_msrs(&state.msrs)?;
self.set_vcpu_events(&state.vcpu_events)?;
self.set_regs(&state.regs.into())?;
self.set_sregs(&state.sregs)?;
self.set_sregs(&state.sregs.into())?;
self.set_fpu(&state.fpu)?;
self.set_xcrs(&state.xcrs)?;
self.set_lapic(&state.lapic)?;
@@ -669,7 +672,7 @@ impl cpu::Vcpu for MshvVcpu {
msrs,
vcpu_events,
regs: regs.into(),
sregs,
sregs: sregs.into(),
fpu,
xcrs,
lapic,