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; The first section of the ELF will be used to locate the entry point.
section .ezlocation
dd _start
; Set stack
section .bss
align 16
global STACK_BOTTOM
global STACK_TOP
STACK_BOTTOM:
resb 0x4000
STACK_TOP:
section .text
global _start
extern kernel_main
_start:
mov esp, STACK_TOP
push ebx
push eax
call kernel_main
cli
hlt_L:
hlt
jmp hlt_L
%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"
global switch_to_user
extern test_user
switch_to_user:
sti
mov ax, 0x23
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov eax, esp
push 0x23
push eax
pushf
push 0x1B
push test_user
iret
section .sizedetect
global ASM_KERNEL_END
ASM_KERNEL_END:
; Kernel size detection
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