Moved to common/bootxx.c,v
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simonb
parent
9bbac58265
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16ddb8bd85
@ -1,201 +0,0 @@
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/* $NetBSD: bootxx.c,v 1.21 1999/10/27 03:28:54 simonb Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jonathan Stone, Michael Hitch and Simon Burge.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)boot.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <sys/exec_elf.h>
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#include <stand.h>
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#include <machine/dec_prom.h>
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#include "byteswap.h"
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typedef void (*entrypt) __P((int, char **, int, const void *));
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int main __P((int, char **));
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entrypt loadfile __P((char *name));
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extern int clear_cache __P((char *addr, int len));
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extern int bcmp __P((const void *, const void *, size_t)); /* XXX */
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/*
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* This gets arguments from the PROM, calls other routines to open
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* and load the secondary boot loader called boot, and then transfers
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* execution to that program.
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*
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* Argv[0] should be something like "rz(0,0,0)netbsd" on a DECstation 3100.
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* Argv[0,1] should be something like "boot 5/rz0/netbsd" on a DECstation 5000.
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* The argument "-a" means netbsd should do an automatic reboot.
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*/
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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char *cp;
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entrypt entry;
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/* check for DS5000 boot */
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if (strcmp(argv[0], "boot") == 0) {
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argc--;
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argv++;
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}
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cp = *argv;
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#ifdef notused
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printf(">> NetBSD/pmax Primary Boot\n");
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#endif
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entry = loadfile(cp);
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if ((int)entry == -1)
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return (1);
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clear_cache((char *)RELOC, 1024 * 1024);
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if (callv == &callvec)
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entry(argc, argv, 0, 0);
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else
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entry(argc, argv, DEC_PROM_MAGIC, callv);
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return (1);
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}
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/*
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* Open 'filename', read in program and return the entry point or -1 if error.
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*/
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entrypt
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loadfile(fname)
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char *fname;
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{
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int fd, i;
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char c, *buf, bootfname[64];
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Elf32_Ehdr ehdr;
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Elf32_Phdr phdr;
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strcpy(bootfname, fname);
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buf = bootfname;
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while ((c = *buf++) != '\0') {
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if (c == ')')
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break;
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if (c != '/')
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continue;
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while ((c = *buf++) != '\0')
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if (c == '/')
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break;
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/*
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* Make "N/rzY" with no trailing '/' valid by adding
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* the extra '/' before appending 'boot' to the path.
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*/
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if (c != '/') {
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buf--;
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*buf++ = '/';
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*buf = '\0';
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}
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break;
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}
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strcpy(buf, "boot");
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if ((fd = open(bootfname, 0)) < 0) {
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printf("open %s: %d\n", bootfname, errno);
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goto err;
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}
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/* read the exec header */
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i = read(fd, (char *)&ehdr, sizeof(ehdr));
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if ((i != sizeof(ehdr)) ||
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(bcmp(ehdr.e_ident, ELFMAG, SELFMAG) != 0) ||
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(ehdr.e_ident[EI_CLASS] != ELFCLASS32)) {
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printf("%s: No ELF header\n", bootfname);
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goto cerr;
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}
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for (i = 0; i < ehdr.e_phnum; i++) {
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if (lseek(fd, (off_t) ehdr.e_phoff + i * sizeof(phdr), 0) < 0)
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goto cerr;
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if (read(fd, &phdr, sizeof(phdr)) != sizeof(phdr))
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goto cerr;
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if (phdr.p_type != PT_LOAD)
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continue;
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if (lseek(fd, (off_t)phdr.p_offset, 0) < 0)
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goto cerr;
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if (read(fd, (char *)phdr.p_paddr, phdr.p_filesz) != phdr.p_filesz)
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goto cerr;
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}
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return ((entrypt)ehdr.e_entry);
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cerr:
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#ifndef LIBSA_NO_FS_CLOSE
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(void) close(fd);
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#endif
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err:
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printf("Can't load '%s'\n", bootfname);
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return ((entrypt)-1);
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}
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