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[bits 32]
global start
start:
mov esp, _sys_stack ; Points stack to stack area
jmp stublet
; Align with 4 Bytes
ALIGN 4
mboot:
; Multiboot macros
MULTIBOOT_PAGE_ALIGN equ 1<<0
MULTIBOOT_MEMORY_INFO equ 1<<1
MULTIBOOT_VIDEO_MODE equ 1<<2
MULTIBOOT_HEADER_MAGIC equ 0x1BADB002
MULTIBOOT_HEADER_FLAGS equ MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO | MULTIBOOT_VIDEO_MODE
MULTIBOOT_CHECKSUM equ -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)
EXTERN code, bss, end
; GRUB Multiboot header
dd MULTIBOOT_HEADER_MAGIC
dd MULTIBOOT_HEADER_FLAGS
dd MULTIBOOT_CHECKSUM
; AOUT kludge
dd mboot
dd code
dd bss
dd end
dd start
; Request linear graphics mode
dd 0
dd 640 ; width
dd 480 ; height
dd 32 ; bpp
; Endless loop
stublet:
extern kernel_main
call kernel_main
jmp $
%include "src/kernel/gdt/gdt.asm"
%include "src/kernel/interrupts/idt.asm"
%include "src/kernel/interrupts/isr.asm"
%include "src/kernel/interrupts/irq.asm"
%include "src/kernel/interact.asm"
; Store the stack
SECTION .bss
resb 8192 ; Reserve 8KiB
_sys_stack:
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