init.c

这个linux源代码是很全面的~基本完整了~使用c编译的~由于时间问题我没有亲自测试~但就算用来做参考资料也是非常好的

/*
 * FILE NAME
 *	arch/mips/vr41xx/zao-capcella/init.c
 *
 * BRIEF MODULE DESCRIPTION
 *	Initialisation code for the ZAO Networks Capcella.
 *
 * Copyright 2002 Yoichi Yuasa
 *                [e-mail]
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 */
#include <linux/config.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>

#include <asm/bootinfo.h>
#include <asm/cpu.h>
#include <asm/mipsregs.h>
#include <asm/vr41xx/vr41xx.h>

char arcs_cmdline[CL_SIZE];

const char *get_system_type(void)
{
	return "ZAO Networks Capcella";
}

void __init bus_error_init(void)
{
}

void __init prom_init(int argc, char **argv, unsigned long magic, int *prom_vec)
{
	u32 config;
	int i;

	/*
	 * collect args and prepare cmd_line
	 */
	for (i = 1; i < argc; i++) {
		strcat(arcs_cmdline, argv[i]);
		if (i < (argc - 1))
			strcat(arcs_cmdline, " ");
	}

	mips_machgroup = MACH_GROUP_NEC_VR41XX;
	mips_machtype = MACH_ZAO_CAPCELLA;

	switch (mips_cpu.processor_id) {
	case PRID_VR4131_REV1_2:
		config = read_32bit_cp0_register(CP0_CONFIG);
		config &= ~0x00000030UL;
		config |= 0x00410000UL;
		write_32bit_cp0_register(CP0_CONFIG, config);
		break;
	default:
		break;
	}
}

void __init prom_free_prom_memory (void)
{
}