From a3c4e81edef31bef265acb64460220a9282909bf Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 19 Nov 2025 15:09:13 -0500
Subject: kern/amd64: cpu: Add user segment descriptors

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/amd64/cpu/gdt.S | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'sys')

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:
-- 
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