From 24934406d5d39e013e22a9e6f4138c4169460d71 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Thu, 25 Jul 2024 20:15:40 +0200
Subject: kernel: set up the GDT in assembly

This is just for simplicity's sake.

I think I could even omit the `movw $TSS, (GdtTss + 2)` and have the linker
fill that out as a relocation, but that would probably be more complex overall.
---
 src/kernel/arch/amd64/boot64.s | 12 ------------
 1 file changed, 12 deletions(-)
 delete mode 100644 src/kernel/arch/amd64/boot64.s

(limited to 'src/kernel/arch/amd64/boot64.s')

diff --git a/src/kernel/arch/amd64/boot64.s b/src/kernel/arch/amd64/boot64.s
deleted file mode 100644
index 9bd9f0c..0000000
--- a/src/kernel/arch/amd64/boot64.s
+++ /dev/null
@@ -1,12 +0,0 @@
-.global boot64
-boot64:
-	lgdt (lgdt_arg) // try reloading gdt again
-	mov $(6 << 3 | 3), %ax // SEG_TSS
-	ltr %ax
-
-	push %rdi // preserve multiboot struct
-	call sysenter_setup
-	pop %rdi
-
-	// multiboot struct in %rdi
-	jmp kmain_early
-- 
cgit v1.2.3