Struct virt::CpuidLeaf

pub struct CpuidLeaf {
    pub function: u32,
    pub index: Option<u32>,
    pub result: [u32; 4],
    pub mask: [u32; 4],
}

A CPUID result.

This may define a partial result if some mask bits are zero. This is used to provide an update on top of another CPUID result provided elsewhere (e.g. by the hypervisor).

Fields

function: u32

The CPUID function/leaf, provided in eax.

index: Option<u32>

The CPUID index/subleaf, provided in ecx. If None, any index value is accepted.

result: [u32; 4]

The result.

mask: [u32; 4]

The bits of the result that are valid.

Implementations

impl CpuidLeaf

pub fn new(function: u32, result: [u32; 4]) -> Self

Returns a new result for the given function.

pub fn indexed(self, index: u32) -> Self

Updates the result to be for specific index and returns it.

pub fn masked(self, mask: [u32; 4]) -> Self

Updates the result to be partial with the provided mask.

pub fn matches(&self, eax: u32, ecx: u32) -> bool

Returns true if this result is intended for the given eax and ecx input values.

pub fn apply(&self, result: &mut [u32; 4])

Applies this result to result, replacing bits in result with self.result when the corresponding bits in self.mask are set.

Trait Implementations

impl Clone for CpuidLeaf

fn clone(&self) -> CpuidLeaf

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CpuidLeaf

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for CpuidLeaf