diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-05-09 00:42:44 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-05-09 00:42:44 +0200 |
| commit | af8a516fc22865abd80d6e26f1541fa3d6bebfdc (patch) | |
| tree | 96d42a10945fc03df022389aef54708383c1d616 /Kernel/HALKit/AMD64/HalControlRegister.s | |
| parent | a874e9cc98df994178d55996943fe81799c61d2f (diff) | |
MHR-23: :boom:, refactors.
- Move NewBoot to /Boot, thus making Kernel directory only containing the kernel.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
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 |