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[feat] expose invalid_ept api #29

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Merged
hky1999 merged 2 commits into from
Jan 2, 2026
Merged

[feat] expose invalid_ept api #29

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298eaa3
[feat] expose invalid_ept api
hky1999 Dec 4, 2025
8aa5da4
Merge branch 'equation' into invalid_ept
hky1999 Jan 2, 2026
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1 change: 1 addition & 0 deletions src/lib.rs
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Expand Up @@ -26,6 +26,7 @@ cfg_if::cfg_if! {
mod vmx;
use vmx as vender;
pub use vmx::{VmxExitInfo, VmxExitReason, VmxInterruptInfo, VmxIoExitInfo};
pub use vmx::invalid_ept;

pub use vender::VmxArchVCpu;
pub use vender::VmxArchPerCpuState;
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2 changes: 2 additions & 0 deletions src/vmx/mod.rs
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Expand Up @@ -13,6 +13,8 @@ pub use self::percpu::VmxPerCpuState as VmxArchPerCpuState;
pub use self::vcpu::VmxVcpu as VmxArchVCpu;
pub use self::vmcs::{VmxExitInfo, VmxInterruptInfo, VmxIoExitInfo};

pub use self::vcpu::invalid_ept;

/// Return if current platform support virtualization extension.
pub fn has_hardware_support() -> bool {
if let Some(feature) = raw_cpuid::CpuId::new().get_feature_info() {
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8 changes: 8 additions & 0 deletions src/vmx/vcpu.rs
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Expand Up @@ -482,6 +482,9 @@ impl<H: AxVCpuHal> VmxVcpu<H> {
}

fn setup_vmcs_host(&self) -> AxResult {
// warn!("Host IA32_PAT {:#x}", Msr::IA32_PAT.read());
// warn!("Host IA32_EFER {:#x}", Msr::IA32_EFER.read());

VmcsHost64::IA32_PAT.write(Msr::IA32_PAT.read())?;
VmcsHost64::IA32_EFER.write(Msr::IA32_EFER.read())?;

Expand Down Expand Up @@ -1647,3 +1650,8 @@ impl<H: AxVCpuHal> AxVcpuAccessGuestState for VmxVcpu<H> {
warn!("Dumping VmxVcpu {:#x?}", self);
}
}

pub fn invalid_ept(eptp: EPTPointer) -> AxResult<()> {
use super::instructions::{InvEptType, invept};
unsafe { invept(InvEptType::SingleContext, eptp.bits()).map_err(as_axerr) }
}
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