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fix bug: INTEL XEON 4510's fpstates capacity size is over 2 pages #1364

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fix bug: INTEL XEON 4510's fpstates capacity size is over 2 pages #1364

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12 changes: 6 additions & 6 deletions qlib/kernel/arch/x86_64/arch_x86.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ pub const MXCSR_OFFSET: usize = 24;
#[repr(C)]
#[derive(Debug)]
pub struct X86fpstate {
pub data: [u8; 4096],
pub data: [u8; 12288],
pub size: AtomicUsize,
}

Expand Down Expand Up @@ -176,12 +176,12 @@ impl X86fpstate {
fn New() -> Self {
let (size, _align) = HostFeatureSet().ExtendedStateSize();

if size > 4096 {
panic!("X86fpstate capacity size({}) > 4096", size);
if size > 12288 {
panic!("X86fpstate capacity size({}) > 4096 * 3 ", size);
}

return Self {
data: [0; 4096],
data: [0; 12288],
size: AtomicUsize::new(size as usize),
};
}
Expand Down Expand Up @@ -252,8 +252,8 @@ impl X86fpstate {

pub const fn Init() -> Self {
return Self {
data: [0; 4096],
size: AtomicUsize::new(4096),
data: [0; 12288],
size: AtomicUsize::new(12288),
};
}

Expand Down