29 lines
533 B
Rust
29 lines
533 B
Rust
//! x86 (32 bit) only
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pub mod tlb;
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pub unsafe fn cr0_write(val: usize) {
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asm!("mov $0, %cr0" :: "r"(val) : "memory");
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}
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pub fn cr0() -> usize {
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let ret: usize;
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unsafe { asm!("mov %cr0, $0" : "=r" (ret)) };
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ret
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}
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pub fn cr3() -> usize {
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let ret: usize;
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unsafe { asm!("mov %cr3, $0" : "=r" (ret)) };
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ret
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}
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pub fn cr4() -> usize {
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let ret: usize;
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unsafe { asm!("mov %cr4, $0" : "=r" (ret)) };
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ret
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}
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pub unsafe fn cr3_write(val: usize) {
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asm!("mov $0, %cr3" :: "r" (val) : "memory");
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}
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