minix/kernel/arch/earm/head.S

#include "kernel/kernel.h" /* configures the kernel */

/* sections */

#include <machine/vm.h>
#include "kernel/kernel.h"
#include <minix/config.h>
#include <minix/const.h>
#include <minix/com.h>
#include <machine/asm.h>
#include <machine/interrupt.h>
#include "archconst.h"
#include "kernel/const.h"
#include "kernel/proc.h"
#include "sconst.h"
#include <machine/multiboot.h>
#include <machine/cpu.h>

#include "arch_proto.h" /* K_STACK_SIZE */

.text
/*===========================================================================*/
/*					MINIX				     */
/*===========================================================================*/
.global MINIX
MINIX:
/* this is the entry point for the MINIX kernel */
	b multiboot_init

multiboot_init:
	ldr	sp, =load_stack_start	/* make usable stack */
	mov	fp, #0
	bl	_C_LABEL(pre_init)

	/* Kernel is mapped high now and ready to go, with
	 * the boot info pointer returned by pre_init in r0.
	 * Set the highly mapped stack and initialize it.
	 *
	 * Afther that call kmain with r0 still pointing to boot info
	 */
	ldr	sp, =k_initial_stktop
	mov	r1, #0
	push	{r1}			/* Terminate stack */
	ldr	r2, =_C_LABEL(kmain)	/* r0 holds kinfo_t ptr */
	bx	r2

	/* not reached */
hang:
	b hang

.data
load_stack:
	.space 4096
load_stack_start: