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| author | Loic Guegan <manzerbredes@mailbox.org> | 2021-04-30 10:43:44 +0200 |
|---|---|---|
| committer | Loic Guegan <manzerbredes@mailbox.org> | 2021-04-30 10:43:44 +0200 |
| commit | fb69c7b05894cee2b8bb691ead948798a0674059 (patch) | |
| tree | c5357f771178b091e2fdcacec8608ee7f498d37e /src/core/gdt.S | |
| parent | 66f2ca62469eba4b46e1f19f54dde9476b08d956 (diff) | |
Setup TSS segment
Diffstat (limited to 'src/core/gdt.S')
| -rw-r--r-- | src/core/gdt.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/core/gdt.S b/src/core/gdt.S index f928b3f..c32db59 100644 --- a/src/core/gdt.S +++ b/src/core/gdt.S @@ -1,4 +1,5 @@ .code64 +.global gdt64_tss gdt64: gdt64_null: @@ -15,6 +16,22 @@ gdt64: .byte 0 .byte 0b10010010 .word 0 + gdt64_cs_user: + .long 0 + .byte 0 + .byte 0b11111100 + .byte 0b00100000 + .byte 0 + gdt64_ds_user: + .long 0 + .byte 0 + .byte 0b11110010 + .word 0 + gdt64_tss: + .long 0 + .long 0 + .long 0 + .long 0 gdtr: .word . - gdt64 - 1 .quad gdt64 |