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-rw-r--r--asm/GDT.asm81
1 files changed, 0 insertions, 81 deletions
diff --git a/asm/GDT.asm b/asm/GDT.asm
deleted file mode 100644
index 444c313..0000000
--- a/asm/GDT.asm
+++ /dev/null
@@ -1,81 +0,0 @@
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;;;;;; Miguel's FoolOS Helper Functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;
-; Global Descriptor Table
-; we have the null descriptor and a code and data block for a start
-;
-; 0x08 code segment
-; 0x10 data segment
-;
-; this file contains pure data
-;
-;
-;
-;
-
-global gdt_descriptor
-global gdt_start
-
-gdt_start:
-
-gdt_null: ;null descriptor (2 x 4 bytes)
- dd 0x0
- dd 0x0
-
-gdt_code:
- ; flags:
- ; present: 1 / privilege: 00 / type: 1
- ; code: 1 / conforming: 0 / readable: 1 / accessed: 0
- ; granularity: 1 / 16-bit default: 1 / 64-bit seg: 0 / AVL: 0
- dw 0xffff ;limit
- dw 0x0 ;base
- db 0x0 ;base
- db 10011010b ;flags
- db 11001111b ;flags & seg.limit
- db 0x0 ;base
-
-gdt_data:
- ; flags:
- ; code: 0 / expand down: 0 / writable: 1 / accessed: 0
- dw 0xffff
- dw 0x0
- db 0x0
- db 10010010b
- db 11001111b
- db 0x0
-
-gdt16_code:
- ; flags:
- ; present: 1 / privilege: 00 / type: 1
- ; code: 1 / conforming: 0 / readable: 1 / accessed: 0
- ; granularity: 1 / 16-bit default: 1 / 64-bit seg: 0 / AVL: 0
- dw 0xffff ;limit
- dw 0x0 ;base
- db 0x0 ;base
- db 10011010b ;flags
- db 10001111b ;flags & seg.limit
- db 0x0 ;base
-
-gdt16_data:
- ; flags:
- ; code: 0 / expand down: 0 / writable: 1 / accessed: 0
- dw 0xffff
- dw 0x0
- db 0x0
- db 10010010b
- db 10001111b
- db 0x0
-
-gdt_end:
-
-gdt_descriptor:
- dw gdt_end-gdt_start-1
- dd gdt_start
-
-CODE_SEG equ gdt_code - gdt_start
-DATA_SEG equ gdt_data - gdt_start
-CODE16_SEG equ gdt16_code - gdt_start
-DATA16_SEG equ gdt16_data - gdt_start
-
-