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| author | Ada Christine <adachristine18@gmail.com> | 2022-01-17 12:22:30 +0000 |
|---|---|---|
| committer | Ada Christine <adachristine18@gmail.com> | 2022-01-17 12:22:30 +0000 |
| commit | 2f2e5b43d2985abd504ecd5672ce783bef904f2f (patch) | |
| tree | 3c24efcea6b0ce6dda0ee720b3afe250247f2dfb /kc/core/cpu/msr.h | |
| parent | dc7152c1cc6412871e1120ed53fb94ed386613cc (diff) | |
preparing for multitasking
Diffstat (limited to 'kc/core/cpu/msr.h')
| -rw-r--r-- | kc/core/cpu/msr.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kc/core/cpu/msr.h b/kc/core/cpu/msr.h new file mode 100644 index 0000000..a5014da --- /dev/null +++ b/kc/core/cpu/msr.h @@ -0,0 +1,15 @@ +#pragma once + +#include <stdint.h> + +#define EFER_SCE 1 + +#define MSR_EFER 0xc0000080 +#define MSR_STAR 0xc0000081 +#define MSR_LSTAR 0xc0000082 +#define MSR_CSTAR 0xc0000083 +#define MSR_SFMASK 0xc0000084 + +uint64_t msr_read(uint32_t index); +void msr_write(uint32_t index, uint64_t value); + |