153 lines
5.2 KiB
C
153 lines
5.2 KiB
C
/* $NetBSD: boot.c,v 1.7 2014/01/11 14:35:15 tsutsui Exp $ */
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/*
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* Copyright (c) 1992 OMRON Corporation.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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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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/*
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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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* OMRON Corporation.
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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. 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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/*
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* boot.c -- boot program
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* by A.Fujita, MAR-01-1992
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*/
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#include <sys/param.h>
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#include <sys/boot_flag.h>
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#include <sys/reboot.h>
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#include <sys/exec.h>
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#include <luna68k/stand/boot/samachdep.h>
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#include <luna68k/stand/boot/status.h>
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#include <lib/libsa/loadfile.h>
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int
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boot(int argc, char *argv[])
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{
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char *line, *opts;
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int i, howto;
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char c;
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line = NULL;
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howto = 0;
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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opts = argv[i];
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while ((c = *++opts) && c != '\0')
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BOOT_FLAG(c, howto);
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} else if (line == NULL)
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line = argv[i];
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}
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if (line == NULL)
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line = default_file;
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printf("Booting %s", line);
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if (howto != 0)
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printf(" (howto 0x%x)", howto);
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printf("\n");
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return bootnetbsd(line, howto);
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}
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int
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bootnetbsd(char *line, int howto)
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{
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int io;
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u_long marks[MARK_MAX];
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/* Note marks[MARK_START] is passed as an load address offset */
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memset(marks, 0, sizeof(marks));
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io = loadfile(line, marks, LOAD_KERNEL);
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if (io >= 0) {
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int dev = 0, unit = 0, part = 0;
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uint adpt, ctlr, id;
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uint32_t bootdev;
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make_device(line, &dev, &unit, &part, NULL);
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adpt = dev2adpt[dev];
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ctlr = CTLR(unit);
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id = TARGET(unit);
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bootdev = MAKEBOOTDEV(0, adpt, ctlr, id, part);
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#ifdef DEBUG
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printf("entry = 0x%lx\n", marks[MARK_ENTRY]);
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printf("ssym = 0x%lx\n", marks[MARK_SYM]);
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printf("esym = 0x%lx\n", marks[MARK_END]);
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#endif
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__asm volatile (
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"movl %0,%%d7;"
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"movl %1,%%d6;"
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"movl %2,%%a0;"
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"jbsr %%a0@"
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:
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: "g" (howto), "g" (bootdev),
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"g" ((void *)marks[MARK_ENTRY])
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: "d6", "d7", "a0");
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}
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printf("Booting kernel failed. (%s)\n", strerror(errno));
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return ST_ERROR;
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}
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