qemu-e2k/pc-bios/linux_boot.S

30 lines
521 B
ArmAsm

/*
* QEMU Boot sector to launch a preloaded Linux kernel
* Copyright (c) 2004 Fabrice Bellard
*/
#define LOAD_SEG 0x9000
.code16
.text
.globl _start
_start:
cli
cld
mov $LOAD_SEG, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %fs
mov %ax, %gs
mov %ax, %ss
mov $0x8ffe, %sp
ljmp $LOAD_SEG + 0x20, $0
1:
.fill 510 - (1b - _start), 1, 0
/* boot sector signature */
.byte 0x55
.byte 0xaa