From dfe4a33865ef01c5068804f77da844cdebd87f00 Mon Sep 17 00:00:00 2001 From: kotorifan Date: Sat, 31 Jan 2026 13:32:57 +0100 Subject: Added stage 1 of the bootloader + make.sh --- src/boot.stage2.gdt32.asm | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 src/boot.stage2.gdt32.asm (limited to 'src/boot.stage2.gdt32.asm') diff --git a/src/boot.stage2.gdt32.asm b/src/boot.stage2.gdt32.asm new file mode 100644 index 0000000..f9f27a5 --- /dev/null +++ b/src/boot.stage2.gdt32.asm @@ -0,0 +1,29 @@ +y ;; boot.stage2.gdt32.asm + + +GDT32: + .null: + dd 0x0 + dd 0x0 + .code: + dw 0xffff + dw 0x0000 + db 0x00 + db 10011010b + db 11001111b + db 0x00 + .data: + dw 0xffff + dw 0x0000 + db 0x00 + db 10010010b + db 11001111b + db 0x00 +GDT32_end: + +GDT32_ptr: + .limit: dw GDT32_end - GDT32 - 1 + .base: dd GDT32 + + CODE_SEG32 equ gdt32_code_segment - gdt32_start + DATA_SEG32 equ gdt32_data_segment - gdt32_start -- cgit v1.3