1 /* $OpenBSD: boot.c,v 1.19 2005/05/30 01:41:33 deraadt Exp $ */ 2 /* $NetBSD: boot.c,v 1.10 1997/01/18 01:58:33 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Ralph Campbell. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)boot.c 8.1 (Berkeley) 6/10/93 36 */ 37 38 #include <lib/libkern/libkern.h> 39 #include <lib/libsa/stand.h> 40 41 #include <sys/param.h> 42 #include <sys/exec.h> 43 #include <sys/exec_ecoff.h> 44 45 #include <machine/rpb.h> 46 #include <machine/prom.h> 47 #include <machine/autoconf.h> 48 49 #define _KERNEL 50 #include "include/pte.h" 51 52 int loadfile(char *, u_int64_t *); 53 54 char boot_file[128]; 55 char boot_flags[128]; 56 57 extern char bootprog_name[]; 58 59 struct bootinfo_v1 bootinfo_v1; 60 61 extern paddr_t ffp_save, ptbr_save; 62 63 extern vaddr_t ssym, esym; 64 65 int debug; 66 67 int 68 main() 69 { 70 char *name, **namep; 71 u_int64_t entry; 72 int win; 73 74 /* Init prom callback vector. */ 75 init_prom_calls(); 76 77 /* print a banner */ 78 printf("%s\n", bootprog_name); 79 80 /* switch to OSF pal code. */ 81 OSFpal(); 82 83 prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file)); 84 prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags)); 85 86 if (boot_file[0] != '\0') { 87 (void)printf("Boot file: %s %s\n", boot_file, boot_flags); 88 name = boot_file; 89 } else 90 name = "bsd"; 91 win = (loadfile(name, &entry) == 0); 92 if (!win) 93 goto fail; 94 95 /* 96 * Fill in the bootinfo for the kernel. 97 */ 98 bzero(&bootinfo_v1, sizeof(bootinfo_v1)); 99 bootinfo_v1.ssym = ssym; 100 bootinfo_v1.esym = esym; 101 bcopy(name, bootinfo_v1.booted_kernel, 102 sizeof(bootinfo_v1.booted_kernel)); 103 bcopy(boot_flags, bootinfo_v1.boot_flags, 104 sizeof(bootinfo_v1.boot_flags)); 105 bootinfo_v1.hwrpb = (void *)HWRPB_ADDR; 106 bootinfo_v1.hwrpbsize = ((struct rpb *)HWRPB_ADDR)->rpb_size; 107 bootinfo_v1.cngetc = NULL; 108 bootinfo_v1.cnputc = NULL; 109 bootinfo_v1.cnpollc = NULL; 110 111 (*(void (*)(u_int64_t, u_int64_t, u_int64_t, void *, u_int64_t, 112 u_int64_t))entry)(ffp_save, ptbr_save, BOOTINFO_MAGIC, 113 &bootinfo_v1, 1, 0); 114 115 fail: 116 halt(); 117 } 118