From 30495d6f06108864c151e744ec1aad98e70c3334 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 11 Dec 2023 22:46:45 -0500
Subject: kernel/amd64: Add Task State Segment

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/arch/amd64/gdt.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/arch/amd64/gdt.c')

diff --git a/sys/arch/amd64/gdt.c b/sys/arch/amd64/gdt.c
index 209e2f7..667170a 100644
--- a/sys/arch/amd64/gdt.c
+++ b/sys/arch/amd64/gdt.c
@@ -72,8 +72,13 @@ struct gdt_entry g_gdt[256] = {
             .granularity = 0x00,
             .base_hi     = 0x00
     },
+
+    /* TSS segment (0x28) */
+    {0}
 };
 
+struct gdt_entry *g_gdt_tss = &g_gdt[GDT_TSS];
+
 struct gdtr g_gdtr = {
     .limit = sizeof(struct gdt_entry) * 256 - 1,
     .offset = (uintptr_t)&g_gdt[0]
-- 
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