/* $NetBSD: boot.c,v 1.1 2011/03/03 05:59:37 kiyohara Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jonathan Stone, Michael Hitch, Simon Burge and Wayne Knowles. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)boot.c 8.1 (Berkeley) 6/10/93 */ #include <lib/libsa/stand.h> #include <lib/libsa/loadfile.h> #include <lib/libkern/libkern.h> #include <sys/param.h> #include <sys/boot_flag.h> #include <sys/exec.h> #include <sys/exec_elf.h> #include <machine/cpu.h> #include "boot.h" #include "cons.h" #include "common.h" #include "bootinfo.h" char *kernelnames[] = { "netbsd", "netbsd.gz", "onetbsd", "onetbsd.gz", NULL }; extern u_long end; /* Boot loader code end address */ void start(void); static int get_bsdbootname(char **, char **, int *); static int parse_bootname(char *, int, char **, char **); static void print_banner(void); int main(void); /* * Extract NetBSD boot specification */ static int get_bsdbootname(char **dev, char **kern, int *howtop) { int len; char *ptr, *spec; char c, namebuf[PATH_MAX]; spec = NULL; len = 0; memset(namebuf, 0, sizeof namebuf); printf("Boot [" DEFBOOTDEV ":%s]: ", DEFKERNELNAME); if (tgets(namebuf) == -1) printf("\n"); ptr = namebuf; while ((c = *ptr) != '\0') { while (c == ' ') c = *++ptr; if (c == '\0') break; if (c == '-') while ((c = *++ptr) && c != ' ') BOOT_FLAG(c, *howtop); else { spec = ptr; while ((c = *++ptr) && c != ' ') ; if (c) *ptr++ = '\0'; len = strlen(spec); } } if (len > 0) if (parse_bootname(spec, len, dev, kern)) return 1; DPRINTF(("dev = %s, kern = %s\n", *dev ? *dev : "<NULL>", *kern ? *kern : "<NULL>")); return 0; } static int parse_bootname(char *spec, int len, char **dev, char **kern) { char *bootname, *ptr; bootname = alloc(len + 1); if (bootname == NULL) return 1; memcpy(bootname, spec, len); bootname[len] = '\0'; if ((ptr = memchr(bootname, ':', len)) != NULL) { /* "wdXX:kernel" */ *ptr = '\0'; *dev = bootname; if (*++ptr) *kern = ptr; } else /* "kernel" */ *kern = bootname; return 0; } /* * Print boot message. */ static void print_banner(void) { printf("\n"); printf(">> %s " NETBSD_VERS " Bootloader, Revision %s [@%p]\n", bootprog_name, bootprog_rev, (void*)&start); } int main(void) { char **namep, *dev, *kernel, *bi_addr; char bootpath[PATH_MAX]; int win; u_long marks[MARK_MAX]; void (*entry)(u_int, char *); struct btinfo_bootdev bi_bdev; struct btinfo_bootpath bi_bpath; struct btinfo_howto bi_howto; int howto; /* Initialize boot info early */ dev = NULL; kernel = NULL; howto = 0x0; bi_addr = bi_init(); #if defined(SH4) tmu_init(); #endif cninit(); print_banner(); memset(marks, 0, sizeof(marks)); get_bsdbootname(&dev, &kernel, &howto); if (kernel != NULL) { DPRINTF(("kernel: %s\n", kernel)); kernelnames[0] = kernel; kernelnames[1] = NULL; } else { DPRINTF(("kernel: NULL\n")); } win = 0; DPRINTF(("Kernel names: %p\n", kernelnames)); for (namep = kernelnames, win = 0; (*namep != NULL) && !win; namep++) { kernel = *namep; bootpath[0] = '\0'; strcpy(bootpath, dev ? dev : DEFBOOTDEV); strcat(bootpath, ":"); strcat(bootpath, kernel); printf("Loading: %s", bootpath); if (howto) printf(" (howto 0x%x)", howto); printf("\n"); win = (loadfile(bootpath, marks, LOAD_ALL) != -1); } if (win) { if (dev != NULL) strncpy(bi_bdev.bootdev, dev, BTINFO_BOOTDEV_LEN); else strncpy(bi_bdev.bootdev, DEFBOOTDEV, BTINFO_BOOTDEV_LEN); bi_add(&bi_bdev, BTINFO_BOOTDEV, sizeof(bi_bdev)); strncpy(bi_bpath.bootpath, kernel, BTINFO_BOOTPATH_LEN); bi_add(&bi_bpath, BTINFO_BOOTPATH, sizeof(bi_bpath)); bi_howto.bi_howto = howto; bi_add(&bi_howto, BTINFO_HOWTO, sizeof(bi_howto)); entry = (void *)marks[MARK_ENTRY]; DPRINTF(("Bootinfo @ 0x%lx\n", (u_long)bi_addr)); printf("Starting at 0x%lx\n\n", (u_long)entry); delay(10000); /* XXXX: Wait output to console. */ (*entry)(BOOTINFO_MAGIC, bi_addr); } (void)printf("Boot failed! Rebooting...\n"); delay(20000); return 0; } void _rtt(void) { /* XXXX */ }
