diff options
| author | Ian Moffett <ian@osmora.org> | 2025-11-19 15:09:13 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-11-19 15:09:13 -0500 |
| commit | a3c4e81edef31bef265acb64460220a9282909bf (patch) | |
| tree | db79b5a57add4d81a0d765fe207e5f7da2a3f60f /sys/arch/amd64/cpu/gdt.S | |
| parent | 82560fd7d43ec7bcde2410604cd2b2f355fcf011 (diff) | |
kern/amd64: cpu: Add user segment descriptors
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/arch/amd64/cpu/gdt.S')
| -rw-r--r-- | sys/arch/amd64/cpu/gdt.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/arch/amd64/cpu/gdt.S b/sys/arch/amd64/cpu/gdt.S index 9c508ee..1ffe53c 100644 --- a/sys/arch/amd64/cpu/gdt.S +++ b/sys/arch/amd64/cpu/gdt.S @@ -85,6 +85,20 @@ GDT: .byte 0b10010010 .byte 0b00000000 .byte 0x00 +.UCODE: + .word 0x0000 + .word 0x0000 + .byte 0x00 + .byte 0b11111010 + .byte 0b10101111 + .byte 0x00 +.UDATA: + .word 0x0000 + .word 0x0000 + .byte 0x00 + .byte 0b11110010 + .byte 0b00000000 + .byte 0x00 .globl GDTR GDTR: |