diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-23 21:06:27 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-11-23 21:06:27 -0500 |
| commit | 23040fad647634c08697451fc22ee2ca999629c8 (patch) | |
| tree | 72888f88c7728c82f3f6df1f4f70591de15eab36 /src/kernel/HALKit/AMD64/HalControlRegisterAPI.s | |
| parent | e5cc7351f0577b54c528fb827a7c7e6306c3e843 (diff) | |
| parent | 83d870e58457a1d335a1d9b9966a6a1887cc297b (diff) | |
Merge pull request #81 from nekernel-org/dev
feat! breaking changes on kernel sources.
Diffstat (limited to 'src/kernel/HALKit/AMD64/HalControlRegisterAPI.s')
| -rw-r--r-- | src/kernel/HALKit/AMD64/HalControlRegisterAPI.s | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/kernel/HALKit/AMD64/HalControlRegisterAPI.s b/src/kernel/HALKit/AMD64/HalControlRegisterAPI.s new file mode 100644 index 00000000..90fdeb81 --- /dev/null +++ b/src/kernel/HALKit/AMD64/HalControlRegisterAPI.s @@ -0,0 +1,45 @@ +/* ======================================== + + Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license. + +======================================== */ + +.globl hal_write_cr3 +.globl hal_write_cr0 +.globl hal_read_cr2 +.globl hal_read_cr3 +.globl hal_read_cr0 +.globl hal_flush_tlb +.globl hal_invl_tlb + +.text + +hal_invl_tlb: + invlpg (%rcx) + retq + +hal_flush_tlb: + call hal_read_cr3 + mov %rax, %rcx + call hal_write_cr3 + retq + +hal_read_cr3: + movq %cr3, %rax + retq + +hal_read_cr0: + movq %cr0, %rax + retq + +hal_read_cr2: + movq %cr2, %rax + retq + +hal_write_cr3: + movq %rcx, %cr3 + retq + +hal_write_cr0: + movq %rcx, %cr0 + retq |