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| author | Amlal <amlalelmahrouss@icloud.com> | 2024-05-11 06:43:54 +0000 |
|---|---|---|
| committer | Amlal <amlalelmahrouss@icloud.com> | 2024-05-11 06:43:54 +0000 |
| commit | ca675beb41dba8d7d16c5793b55d1672f38be3b4 (patch) | |
| tree | c995ada42729ac2059a0ed87a4539d1a7e10b14a /Kernel/HALKit/AMD64/HalControlRegister.s | |
| parent | 2b4a4792abf51487ab4a16106f9376f43acf381a (diff) | |
| parent | bc57a29a24b98b00ba17710ba84ec2188ab73504 (diff) | |
Merged in MHR-23 (pull request #12)
MHR-23: Merge work.
Diffstat (limited to 'Kernel/HALKit/AMD64/HalControlRegister.s')
| -rw-r--r-- | Kernel/HALKit/AMD64/HalControlRegister.s | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Kernel/HALKit/AMD64/HalControlRegister.s b/Kernel/HALKit/AMD64/HalControlRegister.s new file mode 100644 index 00000000..7798ea09 --- /dev/null +++ b/Kernel/HALKit/AMD64/HalControlRegister.s @@ -0,0 +1,40 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +.globl hal_write_cr3 +.globl hal_write_cr0 +.globl hal_read_cr2 +.globl hal_read_cr3 +.globl hal_read_cr0 +.globl hal_flush_tlb + +.text + +hal_flush_tlb: + call hal_read_cr3 + mov %rcx, %rax + call hal_write_cr3 + ret + +hal_read_cr3: + movq %cr3, %rax + ret + +hal_read_cr0: + movq %rax, %cr0 + ret + +hal_read_cr2: + movq %rax, %cr2 + ret + +hal_write_cr3: + movq %cr3, %rdi + ret + +hal_write_cr0: + movq %cr0, %rdi + ret |