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| author | Loic Guegan <manzerbredes@mailbox.org> | 2021-04-27 19:02:17 +0200 |
|---|---|---|
| committer | Loic Guegan <manzerbredes@mailbox.org> | 2021-04-27 19:02:17 +0200 |
| commit | f13b26eeb4f9afba3a1aed2516655b34139979aa (patch) | |
| tree | 9ec48586fa57749f2c1cb40d940863d2251bd401 /src/core/gdt.S | |
| parent | 9dc527b3be9d493dcf8cf1baf78477373eb5990d (diff) | |
Making kernel Higher-Half
Diffstat (limited to 'src/core/gdt.S')
| -rw-r--r-- | src/core/gdt.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/core/gdt.S b/src/core/gdt.S new file mode 100644 index 0000000..f928b3f --- /dev/null +++ b/src/core/gdt.S @@ -0,0 +1,25 @@ +.code64 + +gdt64: + gdt64_null: + .long 0 + .long 0 + gdt64_cs: + .long 0 + .byte 0 + .byte 0b10011100 + .byte 0b00100000 + .byte 0 + gdt64_ds: + .long 0 + .byte 0 + .byte 0b10010010 + .word 0 +gdtr: + .word . - gdt64 - 1 + .quad gdt64 + +.global load_gdt +load_gdt: + lgdt (gdtr) + ret |