From 298aaf63f15350e6248d5a96e8c6a63b0ec93e0f Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Thu, 20 May 2021 20:41:24 +0200
Subject: Major restructuring
---
kernel/inc/gdt.h | 68 --------------------------------------------------------
1 file changed, 68 deletions(-)
delete mode 100644 kernel/inc/gdt.h
(limited to 'kernel/inc/gdt.h')
diff --git a/kernel/inc/gdt.h b/kernel/inc/gdt.h
deleted file mode 100644
index 7b9c65a..0000000
--- a/kernel/inc/gdt.h
+++ /dev/null
@@ -1,68 +0,0 @@
-// MIT License, Copyright (c) 2021 Marvin Borner
-
-#ifndef GDT_H
-#define GDT_H
-
-#include <def.h>
-
-#define GDT_ROOT_CODE_GATE 1
-#define GDT_ROOT_DATA_GATE 2
-#define GDT_USER_CODE_GATE 3
-#define GDT_USER_DATA_GATE 4
-#define GDT_TSS_GATE 5
-
-#define GDT_SUPER_CODE_OFFSET (gdt_offset(GDT_ROOT_CODE_GATE))
-#define GDT_SUPER_DATA_OFFSET (gdt_offset(GDT_ROOT_DATA_GATE))
-#define GDT_USER_CODE_OFFSET (gdt_offset(GDT_USER_CODE_GATE) | 3)
-#define GDT_USER_DATA_OFFSET (gdt_offset(GDT_USER_DATA_GATE) | 3)
-#define GDT_TSS_OFFSET (gdt_offset(GDT_TSS_GATE))
-
-struct gdt_entry {
- u16 limit_low;
- u16 base_low;
- u8 base_middle;
- u8 access;
- u8 granularity;
- u8 base_high;
-} PACKED;
-
-struct gdt_ptr {
- u16 limit;
- void *base;
-} PACKED;
-
-struct tss_entry {
- u32 prev_tss;
- u32 esp0;
- u32 ss0;
- u32 esp1;
- u32 ss1;
- u32 esp2;
- u32 ss2;
- u32 cr3;
- u32 eip;
- u32 eflags;
- u32 eax;
- u32 ecx;
- u32 edx;
- u32 ebx;
- u32 esp;
- u32 ebp;
- u32 esi;
- u32 edi;
- u32 es;
- u32 cs;
- u32 ss;
- u32 ds;
- u32 fs;
- u32 gs;
- u32 ldt;
- u16 trap;
- u16 iomap_base;
-} PACKED;
-
-CONST u8 gdt_offset(u8 gate);
-void gdt_install(u32 esp);
-void tss_set_stack(u32 esp);
-
-#endif
--
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