minix3/kernel/arch/earm/head.S

55 lines
1.2 KiB
ArmAsm

#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: