97 lines
2.1 KiB
ArmAsm
97 lines
2.1 KiB
ArmAsm
#include "kernel/kernel.h" /* configures the kernel */
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/* sections */
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#include <machine/vm.h>
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#include "kernel/kernel.h"
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#include <minix/config.h>
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#include <minix/const.h>
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#include <minix/com.h>
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#include <machine/asm.h>
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#include <machine/interrupt.h>
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#include "archconst.h"
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#include "sconst.h"
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#include <machine/multiboot.h>
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#include "arch_proto.h" /* K_STACK_SIZE */
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#ifdef CONFIG_SMP
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#include "kernel/smp.h"
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#endif
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/* Selected 386 tss offsets. */
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#define TSS3_S_SP0 4
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IMPORT(copr_not_available_handler)
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IMPORT(params_size)
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IMPORT(params_offset)
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IMPORT(mon_ds)
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IMPORT(switch_to_user)
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IMPORT(multiboot_init)
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.text
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/*===========================================================================*/
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/* MINIX */
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/*===========================================================================*/
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.global MINIX
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MINIX:
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/* this is the entry point for the MINIX kernel */
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jmp multiboot_init
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/* Multiboot header here*/
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.balign 8
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#define MULTIBOOT_FLAGS (MULTIBOOT_HEADER_WANT_MEMORY | MULTIBOOT_HEADER_MODS_ALIGNED)
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multiboot_magic:
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.long MULTIBOOT_HEADER_MAGIC
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multiboot_flags:
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.long MULTIBOOT_FLAGS
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multiboot_checksum:
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.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_FLAGS)
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0
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/* Video mode */
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multiboot_mode_type:
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.long MULTIBOOT_VIDEO_MODE_EGA
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multiboot_width:
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.long MULTIBOOT_CONSOLE_COLS
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multiboot_height:
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.long MULTIBOOT_CONSOLE_LINES
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multiboot_depth:
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.long 0
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multiboot_init:
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mov $load_stack_start, %esp /* make usable stack */
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mov $0, %ebp
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push $0 /* set flags to known good state */
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popf /* esp, clear nested task and int enable */
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push $0
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push %ebx /* multiboot information struct */
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push %eax /* multiboot magic number */
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call _C_LABEL(pre_init)
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/* Kernel is mapped high now and ready to go, with
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* the boot info pointer returnd in %eax. Set the
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* highly mapped stack, initialize it, push the boot
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* info pointer and jump to the highly mapped kernel.
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*/
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mov $k_initial_stktop, %esp
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push $0 /* Terminate stack */
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push %eax
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call _C_LABEL(kmain)
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/* not reached */
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hang:
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jmp hang
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.data
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load_stack:
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.space 4096
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load_stack_start:
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