Move via repository copy to sys/arch/pmax/stand/scsiboot
This commit is contained in:
simonb
parent
c8851d63a0
commit
47c28b03d8
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@ -1,170 +0,0 @@
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/* $NetBSD: boot.c,v 1.6 1995/06/28 10:22:32 jonathan Exp $ */
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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.h>
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#include <stand.h>
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#include <pmax/stand/dec_prom.h>
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#include "byteswap.h"
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char line[1024];
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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 program to boot, and then transfers execution to that
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* new program.
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* Argv[0] should be something like "rz(0,0,0)vmunix" on a DECstation 3100.
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* Argv[0,1] should be something like "boot 5/rz0/vmunix" on a DECstation 5000.
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* The argument "-a" means vmunix 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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register char *cp;
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int ask, entry;
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#ifdef DIAGNOSTIC
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extern int prom_id; /* hack, saved by standalone startup */
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(*(callvec._printf))("hello, world\n");
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printf ((callv == &callvec)? "No REX %x\n" : "have REX %x\n",
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prom_id);
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#endif
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#ifdef JUSTASK
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ask = 1;
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#else
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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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ask = 0;
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#endif /* JUSTASK */
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printf("Boot: ");
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if (ask) {
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gets(line);
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if (line[0] == '\0')
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return 0;
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cp = line;
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argv[0] = cp;
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argc = 1;
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} else
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printf("%s\n", cp);
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entry = loadfile(cp);
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if (entry == -1)
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return 0;
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printf("Starting at 0x%x\n\n", entry);
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if (callv == &callvec)
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((void (*)())entry)(argc, argv, 0, 0);
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else
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((void (*)())entry)(argc, argv, DEC_PROM_MAGIC, callv);
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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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loadfile(fname)
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register char *fname;
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{
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register struct devices *dp;
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register int fd, i, n;
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struct exec aout;
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if ((fd = open(fname, 0)) < 0) {
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printf("open(%s) failed: %d\n", fname, 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 *)&aout, sizeof(aout));
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if (i != sizeof(aout)) {
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printf("no aout header\n");
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goto cerr;
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} else if ((N_GETMAGIC(aout) != OMAGIC)
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&& (aout.a_midmag & 0xfff) != OMAGIC) {
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printf("%s: bad magic %x\n", fname, aout.a_midmag);
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goto cerr;
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}
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/* read the code and initialized data */
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printf("Size: %d+%d", aout.a_text, aout.a_data);
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#if 0
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/* In an OMAGIC file, we're already there. */
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if (lseek(fd, (off_t)N_TXTOFF(aout), 0) < 0) {
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goto cerr;
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}
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#endif
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i = aout.a_text + aout.a_data;
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n = read(fd, (char *)aout.a_entry, i);
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#ifndef SMALL
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(void) close(fd);
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#endif
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if (n < 0) {
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printf("read error %d\n", errno);
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goto err;
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} else if (n != i) {
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printf("read() short %d bytes\n", i - n);
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goto err;
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}
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/* kernel will zero out its own bss */
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n = aout.a_bss;
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printf("+%d\n", n);
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return ((int)aout.a_entry);
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cerr:
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#ifndef SMALL
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(void) close(fd);
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#endif
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err:
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printf("Can't boot '%s'\n", fname);
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return (-1);
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}
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@ -1,10 +0,0 @@
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/* $NetBSD: byteswap.h,v 1.2 1998/01/05 07:03:16 perry Exp $ */
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/*
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* inline macros for doing byteswapping on a little-endian machine.
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* for boot.
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*/
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#define ntohs(x) \
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( ( ((u_short)(x)&0xff) << 8) | ( ((u_short) (x)&0xff00) >> 8) )
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#define ntohl(x) \
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( ((ntohs((u_short)(x))) << 16) | (ntohs( (u_short) ((x)>>16) )) )
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@ -1,72 +0,0 @@
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/* $NetBSD: conf.c,v 1.5 1995/01/18 06:53:39 mellon Exp $ */
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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.
|
|
||||||
* 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:
|
|
||||||
* 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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* @(#)conf.c 8.1 (Berkeley) 6/10/93
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*/
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#include <stand.h>
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#include <dec_prom.h>
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const struct callback *callv = &callvec;
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int errno;
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extern void nullsys();
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extern int nodev(), noioctl();
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int rzstrategy(), rzopen();
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#ifdef SMALL
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#define rzclose 0
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#else /*!SMALL*/
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int rzclose();
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#endif /*!SMALL*/
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#define rzioctl noioctl
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#ifndef BOOT
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int tzstrategy(), tzopen(), tzclose();
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#endif
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#define tzioctl noioctl
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struct devsw devsw[] = {
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{ "rz", rzstrategy, rzopen, rzclose, rzioctl }, /*0*/
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#ifndef BOOT
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{ "tz", tzstrategy, tzopen, tzclose, tzioctl }, /*1*/
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#endif
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};
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int ndevs = (sizeof(devsw)/sizeof(devsw[0]));
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@ -1,48 +0,0 @@
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/*
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* Copyright (c) 1993 Philip A. Nelson.
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* All rights reserved.
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||||||
*
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|
||||||
* 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. All advertising materials mentioning features or use of this software
|
|
||||||
* must display the following acknowledgement:
|
|
||||||
* This product includes software developed by Philip A. Nelson.
|
|
||||||
* 4. The name of Philip A. Nelson may not be used to endorse or promote
|
|
||||||
* products derived from this software without specific prior written
|
|
||||||
* permission.
|
|
||||||
*
|
|
||||||
* THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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.
|
|
||||||
*
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|
||||||
* filesystem.c
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|
||||||
*
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||||||
* $NetBSD: filesystem.c,v 1.2 1997/10/13 14:22:45 lukem Exp $
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|
||||||
*/
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||||||
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||||||
#include <stand.h>
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||||||
#include <ufs.h>
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|
||||||
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||||||
struct fs_ops file_system[] = {
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|
||||||
#ifdef SMALL
|
|
||||||
{ ufs_open, 0, ufs_read, 0, ufs_seek, ufs_stat }
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|
||||||
#else
|
|
||||||
{ ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat }
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|
||||||
#endif
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|
||||||
};
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|
||||||
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||||||
int nfsys = sizeof(file_system)/sizeof(struct fs_ops);
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||||||
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||||||
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|
@ -1,214 +0,0 @@
|
||||||
/* $NetBSD: mkboot.c,v 1.5 1995/01/18 06:53:42 mellon Exp $ */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* 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. All advertising materials mentioning features or use of this software
|
|
||||||
* must display the following acknowledgement:
|
|
||||||
* This product includes software developed by the University of
|
|
||||||
* California, Berkeley and its contributors.
|
|
||||||
* 4. 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.
|
|
||||||
*
|
|
||||||
* @(#)mkboot.c 8.1 (Berkeley) 6/10/93
|
|
||||||
*/
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|
||||||
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|
||||||
#ifndef lint
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|
||||||
static char copyright[] =
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|
||||||
"@(#) Copyright (c) 1992, 1993\n\
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|
||||||
The Regents of the University of California. All rights reserved.\n";
|
|
||||||
#endif not lint
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|
||||||
|
|
||||||
#ifndef lint
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|
||||||
#ifdef notdef
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|
||||||
static char sccsid[] = "@(#)mkboot.c 8.1 (Berkeley) 6/10/93";
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|
||||||
#endif
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|
||||||
static char rcsid[] = "$NetBSD: mkboot.c,v 1.5 1995/01/18 06:53:42 mellon Exp $";
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|
||||||
#endif not lint
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|
||||||
|
|
||||||
#include <sys/param.h>
|
|
||||||
#include <sys/exec.h>
|
|
||||||
#include <sys/disklabel.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
|
|
||||||
#include <pmax/stand/dec_boot.h>
|
|
||||||
|
|
||||||
struct Dec_DiskBoot decBootInfo;
|
|
||||||
char block[DEV_BSIZE];
|
|
||||||
char *bootfname, *xxboot, *bootxx;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* This program takes a boot program and splits it into xxboot and bootxx
|
|
||||||
* files for the disklabel program. The disklabel program should be used to
|
|
||||||
* label and install the boot program onto a new disk.
|
|
||||||
*
|
|
||||||
* mkboot bootprog xxboot bootxx
|
|
||||||
*/
|
|
||||||
main(argc, argv)
|
|
||||||
int argc;
|
|
||||||
char *argv[];
|
|
||||||
{
|
|
||||||
register int i, n;
|
|
||||||
int ifd, ofd1, ofd2;
|
|
||||||
int nsectors;
|
|
||||||
long loadAddr;
|
|
||||||
long execAddr;
|
|
||||||
long length;
|
|
||||||
|
|
||||||
if (argc != 4)
|
|
||||||
usage();
|
|
||||||
bootfname = argv[1];
|
|
||||||
xxboot = argv[2];
|
|
||||||
bootxx = argv[3];
|
|
||||||
ifd = open(bootfname, 0, 0);
|
|
||||||
if (ifd < 0) {
|
|
||||||
perror(bootfname);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
ofd1 = creat(xxboot, 0666);
|
|
||||||
if (ofd1 < 0) {
|
|
||||||
xxboot_err:
|
|
||||||
perror(xxboot);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
ofd2 = creat(bootxx, 0666);
|
|
||||||
if (ofd2 < 0) {
|
|
||||||
bootxx_err:
|
|
||||||
perror(bootxx);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Check for exec header and skip to code segment.
|
|
||||||
*/
|
|
||||||
if (!GetHeader(ifd, &loadAddr, &execAddr, &length)) {
|
|
||||||
fprintf(stderr, "Need impure text format (OMAGIC) file\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Write the boot information block.
|
|
||||||
*/
|
|
||||||
decBootInfo.magic = DEC_BOOT_MAGIC;
|
|
||||||
decBootInfo.mode = 0;
|
|
||||||
decBootInfo.loadAddr = loadAddr;
|
|
||||||
decBootInfo.execAddr = execAddr;
|
|
||||||
decBootInfo.map[0].numBlocks = nsectors =
|
|
||||||
(length + DEV_BSIZE - 1) >> DEV_BSHIFT;
|
|
||||||
decBootInfo.map[0].startBlock = 1;
|
|
||||||
decBootInfo.map[1].numBlocks = 0;
|
|
||||||
if (write(ofd1, (char *)&decBootInfo, sizeof(decBootInfo)) !=
|
|
||||||
sizeof(decBootInfo) || close(ofd1) != 0)
|
|
||||||
goto xxboot_err;
|
|
||||||
|
|
||||||
printf("load %x, start %x, len %d, nsectors %d\n", loadAddr, execAddr,
|
|
||||||
length, nsectors);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Write the boot code to the bootxx file.
|
|
||||||
*/
|
|
||||||
for (i = 0; i < nsectors && length > 0; i++) {
|
|
||||||
if (length < DEV_BSIZE) {
|
|
||||||
n = length;
|
|
||||||
bzero(block, DEV_BSIZE);
|
|
||||||
} else
|
|
||||||
n = DEV_BSIZE;
|
|
||||||
if (read(ifd, block, n) != n) {
|
|
||||||
perror(bootfname);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
length -= n;
|
|
||||||
if (write(ofd2, block, DEV_BSIZE) != DEV_BSIZE) {
|
|
||||||
perror(bootxx);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (length > 0)
|
|
||||||
printf("Warning: didn't reach end of boot program!\n");
|
|
||||||
exit(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
usage()
|
|
||||||
{
|
|
||||||
printf("Usage: mkboot bootprog xxboot bootxx\n");
|
|
||||||
printf("where:\n");
|
|
||||||
printf("\t\"bootprog\" is a -N format file\n");
|
|
||||||
printf("\t\"xxboot\" is the file name for the first boot block\n");
|
|
||||||
printf("\t\"bootxx\" is the file name for the remaining boot blocks.\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
*----------------------------------------------------------------------
|
|
||||||
*
|
|
||||||
* GetHeader -
|
|
||||||
*
|
|
||||||
* Check if the header is an a.out file.
|
|
||||||
*
|
|
||||||
* Results:
|
|
||||||
* Return true if all went ok.
|
|
||||||
*
|
|
||||||
* Side effects:
|
|
||||||
* bootFID is left ready to read the text & data sections.
|
|
||||||
* length is set to the size of the text + data sections.
|
|
||||||
*
|
|
||||||
*----------------------------------------------------------------------
|
|
||||||
*/
|
|
||||||
GetHeader(bootFID, loadAddr, execAddr, length)
|
|
||||||
int bootFID; /* Handle on the boot program */
|
|
||||||
long *loadAddr; /* Address to start loading boot program. */
|
|
||||||
long *execAddr; /* Address to start executing boot program. */
|
|
||||||
long *length; /* Length of the boot program. */
|
|
||||||
{
|
|
||||||
struct exec aout;
|
|
||||||
int bytesRead;
|
|
||||||
|
|
||||||
if (lseek(bootFID, 0, 0) < 0) {
|
|
||||||
perror(bootfname);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
bytesRead = read(bootFID, (char *)&aout, sizeof(aout));
|
|
||||||
if (bytesRead != sizeof(aout)
|
|
||||||
|| (N_GETMAGIC(aout) != OMAGIC &&
|
|
||||||
(aout.a_midmag & 0xffff) != OMAGIC))
|
|
||||||
return 0;
|
|
||||||
*loadAddr = aout.a_entry;
|
|
||||||
*execAddr = aout.a_entry;
|
|
||||||
*length = aout.a_text + aout.a_data;
|
|
||||||
#if 0 /* N_TXTOFF(aout) on an OMAGIC file is where we are now. */
|
|
||||||
if (lseek(bootFID, N_TXTOFF(aout), 0) < 0) {
|
|
||||||
perror(bootfname);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
if (N_GETMAGIC (aout) == OMAGIC)
|
|
||||||
printf("Input file is in NetBSD a.out format.\n");
|
|
||||||
else
|
|
||||||
printf ("Input file is in 4.4BSD mips a.out format.\n");
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
@ -1,244 +0,0 @@
|
||||||
/* $NetBSD: mkboottape.c,v 1.7 1997/11/01 06:49:53 lukem Exp $ */
|
|
||||||
|
|
||||||
/*-
|
|
||||||
* 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. All advertising materials mentioning features or use of this software
|
|
||||||
* must display the following acknowledgement:
|
|
||||||
* This product includes software developed by the University of
|
|
||||||
* California, Berkeley and its contributors.
|
|
||||||
* 4. 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.
|
|
||||||
*
|
|
||||||
* @(#)mkboottape.c 8.1 (Berkeley) 6/10/93
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <sys/param.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <sys/exec.h>
|
|
||||||
|
|
||||||
#include <errno.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <fcntl.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <err.h>
|
|
||||||
|
|
||||||
#include <pmax/stand/dec_boot.h>
|
|
||||||
#include <pmax/stand/dec_exec.h>
|
|
||||||
|
|
||||||
void usage __P((void));
|
|
||||||
|
|
||||||
struct Dec_DiskBoot decBootInfo;
|
|
||||||
struct coff_exec dec_exec;
|
|
||||||
extern char *__progname; /* Program name, from crt0. */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* This program takes a kernel and the name of the special device file that
|
|
||||||
* has the mini-root file system stored on it and creates a boot tape.
|
|
||||||
* The -b option makes a bootfile that can load the kernel and mini-root
|
|
||||||
* over the network using the 'boot 6/tftp/filename -m' PROM command.
|
|
||||||
*
|
|
||||||
* usage: mkboottape [-b] tapedev netbsd minirootdev size
|
|
||||||
*/
|
|
||||||
int
|
|
||||||
main(argc, argv)
|
|
||||||
int argc;
|
|
||||||
char *argv[];
|
|
||||||
{
|
|
||||||
register int i, n;
|
|
||||||
ProcSectionHeader shdr;
|
|
||||||
struct exec aout;
|
|
||||||
long loadAddr;
|
|
||||||
long execAddr;
|
|
||||||
off_t textoff;
|
|
||||||
long length;
|
|
||||||
long rootsize;
|
|
||||||
int ifd, ofd, rfd;
|
|
||||||
int makebootfile;
|
|
||||||
int nsectors;
|
|
||||||
char block[DEV_BSIZE];
|
|
||||||
|
|
||||||
makebootfile = 0;
|
|
||||||
while ((i = getopt(argc, argv, "b")) != -1)
|
|
||||||
switch(i) {
|
|
||||||
case 'b':
|
|
||||||
makebootfile = 1;
|
|
||||||
break;
|
|
||||||
case '?':
|
|
||||||
default:
|
|
||||||
usage();
|
|
||||||
}
|
|
||||||
argc -= optind;
|
|
||||||
argv += optind;
|
|
||||||
|
|
||||||
if (argc != 4)
|
|
||||||
usage();
|
|
||||||
|
|
||||||
if (makebootfile)
|
|
||||||
ofd = open(argv[0], O_CREAT|O_TRUNC|O_WRONLY, DEFFILEMODE);
|
|
||||||
else
|
|
||||||
ofd = open(argv[0], O_RDWR, 0);
|
|
||||||
if (ofd < 0)
|
|
||||||
deverr: err(1, "%s", argv[0]);
|
|
||||||
|
|
||||||
if ((ifd = open(argv[1], O_RDONLY, 0)) < 0)
|
|
||||||
bootferr: err(1, "%s", argv[1]);
|
|
||||||
|
|
||||||
if ((rfd = open(argv[2], O_RDONLY, 0)) < 0)
|
|
||||||
rooterr: err(1, "%s", argv[2]);
|
|
||||||
|
|
||||||
rootsize = atoi(argv[3]);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Check for exec header and skip to code segment.
|
|
||||||
*/
|
|
||||||
if (read(ifd, &aout, sizeof(aout)) != sizeof(aout)
|
|
||||||
|| ((N_GETMAGIC (aout) != OMAGIC)
|
|
||||||
&& (aout.a_midmag & 0xffff) != OMAGIC)) {
|
|
||||||
fprintf(stderr, "%s: %s: need old text format (OMAGIC) file\n",
|
|
||||||
__progname, argv[1]);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
||||||
loadAddr = aout.a_entry;
|
|
||||||
execAddr = aout.a_entry;
|
|
||||||
length = aout.a_text + aout.a_data;
|
|
||||||
#if 0
|
|
||||||
textoff = N_TXTOFF(aout);
|
|
||||||
#endif
|
|
||||||
(void)printf("Input file is a.out format\n");
|
|
||||||
(void)printf("load %x, start %x, len %d\n", loadAddr, execAddr, length);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Compute size of boot program rounded to page size + mini-root size.
|
|
||||||
*/
|
|
||||||
nsectors = (((length + aout.a_bss + NBPG - 1) & ~(NBPG - 1)) >>
|
|
||||||
DEV_BSHIFT) + rootsize;
|
|
||||||
|
|
||||||
if (makebootfile) {
|
|
||||||
/*
|
|
||||||
* Write the ECOFF header.
|
|
||||||
*/
|
|
||||||
dec_exec.magic = COFF_MAGIC;
|
|
||||||
dec_exec.numSections = 1;
|
|
||||||
dec_exec.optHeader = 56;
|
|
||||||
dec_exec.flags = 7;
|
|
||||||
dec_exec.aout_magic = OMAGIC;
|
|
||||||
dec_exec.verStamp = 512;
|
|
||||||
dec_exec.codeSize = nsectors << DEV_BSHIFT;
|
|
||||||
dec_exec.entry = execAddr;
|
|
||||||
dec_exec.codeStart = loadAddr;
|
|
||||||
dec_exec.heapStart = dec_exec.bssStart =
|
|
||||||
dec_exec.codeStart + aout.a_text;
|
|
||||||
if (write(ofd, (char *)&dec_exec, sizeof(dec_exec)) !=
|
|
||||||
sizeof(dec_exec))
|
|
||||||
goto deverr;
|
|
||||||
strncpy(shdr.name, ".text", sizeof(shdr.name));
|
|
||||||
shdr.physAddr = shdr.virtAddr = loadAddr;
|
|
||||||
shdr.size = dec_exec.codeSize;
|
|
||||||
shdr.sectionPtr = n =
|
|
||||||
(sizeof(dec_exec) + sizeof(shdr) + 15) & ~15;
|
|
||||||
shdr.relocPtr = 0;
|
|
||||||
shdr.lnnoPtr = 0;
|
|
||||||
shdr.numReloc = 0;
|
|
||||||
shdr.numLnno = 0;
|
|
||||||
shdr.flags = 0x20;
|
|
||||||
if (write(ofd, (char *)&shdr, sizeof(shdr)) != sizeof(shdr))
|
|
||||||
goto deverr;
|
|
||||||
n -= sizeof(dec_exec) + sizeof(shdr);
|
|
||||||
if (write(ofd, block, n) != n)
|
|
||||||
goto deverr;
|
|
||||||
} else {
|
|
||||||
/*
|
|
||||||
* Write the boot information block.
|
|
||||||
*/
|
|
||||||
decBootInfo.magic = DEC_BOOT_MAGIC;
|
|
||||||
decBootInfo.mode = 0;
|
|
||||||
decBootInfo.loadAddr = loadAddr;
|
|
||||||
decBootInfo.execAddr = execAddr;
|
|
||||||
decBootInfo.map[0].numBlocks = nsectors;
|
|
||||||
decBootInfo.map[0].startBlock = 1;
|
|
||||||
decBootInfo.map[1].numBlocks = 0;
|
|
||||||
if (write(ofd, (char *)&decBootInfo, sizeof(decBootInfo)) !=
|
|
||||||
sizeof(decBootInfo))
|
|
||||||
goto deverr;
|
|
||||||
}
|
|
||||||
#if 0
|
|
||||||
/* seek to start of text */
|
|
||||||
if (lseek(ifd, textoff, SEEK_SET) < 0)
|
|
||||||
goto bootferr;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Write the remaining code to the correct place on the tape.
|
|
||||||
*/
|
|
||||||
for (i = length; i > 0; i -= n) {
|
|
||||||
n = DEV_BSIZE;
|
|
||||||
if (n > i)
|
|
||||||
n = i;
|
|
||||||
if (read(ifd, block, n) != n)
|
|
||||||
goto bootferr;
|
|
||||||
if (write(ofd, block, DEV_BSIZE) != DEV_BSIZE)
|
|
||||||
goto deverr;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Pad the boot file with zeros to the start of the mini-root.
|
|
||||||
*/
|
|
||||||
bzero(block, DEV_BSIZE);
|
|
||||||
i = ((nsectors - rootsize) << DEV_BSHIFT) -
|
|
||||||
((length + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1));
|
|
||||||
n = DEV_BSIZE;
|
|
||||||
for (; i > 0; i -= n) {
|
|
||||||
if (write(ofd, block, n) != n)
|
|
||||||
goto deverr;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Write the mini-root to tape.
|
|
||||||
*/
|
|
||||||
for (i = rootsize; i > 0; i--) {
|
|
||||||
if (read(rfd, block, DEV_BSIZE) != DEV_BSIZE)
|
|
||||||
goto rooterr;
|
|
||||||
if (write(ofd, block, DEV_BSIZE) != DEV_BSIZE)
|
|
||||||
goto deverr;
|
|
||||||
}
|
|
||||||
|
|
||||||
(void)printf("%s: wrote %d sectors\n", __progname, nsectors);
|
|
||||||
exit(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
usage()
|
|
||||||
{
|
|
||||||
(void)fprintf(stderr,
|
|
||||||
"usage: %s [-b] tapedev netbsd minirootdev size\n", __progname);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
|
|
@ -1,185 +0,0 @@
|
||||||
/* $NetBSD: rz.c,v 1.6 1995/06/28 10:22:35 jonathan Exp $ */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Copyright (c) 1992, 1993
|
|
||||||
* The Regents of the University of California. All rights reserved.
|
|
||||||
*
|
|
||||||
* This code is derived from software contributed to Berkeley by
|
|
||||||
* Van Jacobson of Lawrence Berkeley Laboratory and 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. All advertising materials mentioning features or use of this software
|
|
||||||
* must display the following acknowledgement:
|
|
||||||
* This product includes software developed by the University of
|
|
||||||
* California, Berkeley and its contributors.
|
|
||||||
* 4. 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.
|
|
||||||
*
|
|
||||||
* @(#)rz.c 8.1 (Berkeley) 6/10/93
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <stdarg.h>
|
|
||||||
|
|
||||||
#include <stand.h>
|
|
||||||
#include <sys/param.h>
|
|
||||||
#include <sys/disklabel.h>
|
|
||||||
#include "dec_prom.h"
|
|
||||||
|
|
||||||
struct rz_softc {
|
|
||||||
int sc_fd; /* PROM file id */
|
|
||||||
int sc_ctlr; /* controller number */
|
|
||||||
int sc_unit; /* disk unit number */
|
|
||||||
int sc_part; /* disk partition number */
|
|
||||||
struct disklabel sc_label; /* disk label for this disk */
|
|
||||||
};
|
|
||||||
|
|
||||||
int
|
|
||||||
rzstrategy(devdata, rw, bn, reqcnt, addr, cnt)
|
|
||||||
void *devdata;
|
|
||||||
int rw;
|
|
||||||
daddr_t bn;
|
|
||||||
u_int reqcnt;
|
|
||||||
char *addr;
|
|
||||||
u_int *cnt; /* out: number of bytes transfered */
|
|
||||||
{
|
|
||||||
register struct rz_softc *sc = (struct rz_softc *)devdata;
|
|
||||||
register int part = sc->sc_part;
|
|
||||||
register struct partition *pp = &sc->sc_label.d_partitions[part];
|
|
||||||
register int s;
|
|
||||||
long offset;
|
|
||||||
|
|
||||||
offset = bn * DEV_BSIZE;
|
|
||||||
|
|
||||||
#ifdef DEBUG
|
|
||||||
/*XXX*/printf("rz:%x %d\n", offset, reqcnt);
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Partial-block transfers not handled.
|
|
||||||
*/
|
|
||||||
if (reqcnt & (DEV_BSIZE - 1)) {
|
|
||||||
*cnt = 0;
|
|
||||||
return (EINVAL);
|
|
||||||
}
|
|
||||||
|
|
||||||
offset += pp->p_offset * DEV_BSIZE;
|
|
||||||
|
|
||||||
if (callv == &callvec) {
|
|
||||||
/* No REX on this machine */
|
|
||||||
if (prom_lseek(sc->sc_fd, offset, 0) < 0)
|
|
||||||
return (EIO);
|
|
||||||
s = prom_read(sc->sc_fd, addr, reqcnt);
|
|
||||||
} else
|
|
||||||
s = bootread (offset / 512, addr, reqcnt);
|
|
||||||
if (s < 0)
|
|
||||||
return (EIO);
|
|
||||||
|
|
||||||
*cnt = s;
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
rzopen(struct open_file *f, ...)
|
|
||||||
{
|
|
||||||
register int ctlr, unit, part;
|
|
||||||
|
|
||||||
register struct rz_softc *sc;
|
|
||||||
register struct disklabel *lp;
|
|
||||||
register int i;
|
|
||||||
char *msg;
|
|
||||||
char buf[DEV_BSIZE];
|
|
||||||
int cnt;
|
|
||||||
static char device[] = "rz(0,0,0)";
|
|
||||||
va_list ap;
|
|
||||||
|
|
||||||
va_start(ap, f);
|
|
||||||
|
|
||||||
ctlr = va_arg(ap, int);
|
|
||||||
unit = va_arg(ap, int);
|
|
||||||
part = va_arg(ap, int);
|
|
||||||
if (unit >= 8 || part >= 8)
|
|
||||||
return (ENXIO);
|
|
||||||
device[5] = '0' + unit;
|
|
||||||
/* NOTE: only support reads for now */
|
|
||||||
/* Another NOTE: bootinit on the TurboChannel doesn't look at
|
|
||||||
the device string - it's provided for compatibility with
|
|
||||||
the DS3100 PROMs. As a consequence, it may be possible to
|
|
||||||
boot from some other drive with these bootblocks on the 3100,
|
|
||||||
but will not be possible on any TurboChannel machine. */
|
|
||||||
|
|
||||||
if (callv == &callvec)
|
|
||||||
i = prom_open(device, 0);
|
|
||||||
else
|
|
||||||
i = bootinit (device);
|
|
||||||
if (i < 0) {
|
|
||||||
printf("boot init failed\n");
|
|
||||||
return (ENXIO);
|
|
||||||
}
|
|
||||||
|
|
||||||
sc = alloc(sizeof(struct rz_softc));
|
|
||||||
bzero(sc, sizeof(struct rz_softc));
|
|
||||||
f->f_devdata = (void *)sc;
|
|
||||||
|
|
||||||
sc->sc_fd = i;
|
|
||||||
sc->sc_ctlr = ctlr;
|
|
||||||
sc->sc_unit = unit;
|
|
||||||
sc->sc_part = part;
|
|
||||||
|
|
||||||
/* try to read disk label and partition table information */
|
|
||||||
lp = &sc->sc_label;
|
|
||||||
lp->d_secsize = DEV_BSIZE;
|
|
||||||
lp->d_secpercyl = 1;
|
|
||||||
lp->d_npartitions = MAXPARTITIONS;
|
|
||||||
lp->d_partitions[part].p_offset = 0;
|
|
||||||
lp->d_partitions[part].p_size = 0x7fffffff;
|
|
||||||
i = rzstrategy(sc, F_READ, (daddr_t)LABELSECTOR, DEV_BSIZE, buf, &cnt);
|
|
||||||
if (i || cnt != DEV_BSIZE) {
|
|
||||||
printf("rz%d: error reading disk label\n", unit);
|
|
||||||
goto bad;
|
|
||||||
} else {
|
|
||||||
msg = getdisklabel(buf, lp);
|
|
||||||
if (msg) {
|
|
||||||
printf("rz%d: %s\n", unit, msg);
|
|
||||||
goto bad;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (part >= lp->d_npartitions || lp->d_partitions[part].p_size == 0) {
|
|
||||||
bad:
|
|
||||||
#ifndef SMALL
|
|
||||||
free(sc, sizeof(struct rz_softc));
|
|
||||||
#endif
|
|
||||||
return (ENXIO);
|
|
||||||
}
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifndef SMALL
|
|
||||||
rzclose(f)
|
|
||||||
struct open_file *f;
|
|
||||||
{
|
|
||||||
free(f->f_devdata, sizeof(struct rz_softc));
|
|
||||||
f->f_devdata = (void *)0;
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
@ -1,136 +0,0 @@
|
||||||
/* $NetBSD: start.S,v 1.2 1997/06/16 01:24:00 jonathan Exp $ */
|
|
||||||
|
|
||||||
/*
|
|
||||||
* 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. All advertising materials mentioning features or use of this software
|
|
||||||
* must display the following acknowledgement:
|
|
||||||
* This product includes software developed by the University of
|
|
||||||
* California, Berkeley and its contributors.
|
|
||||||
* 4. 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.
|
|
||||||
*
|
|
||||||
* @(#)start.s 8.2 (Berkeley) 1/21/94
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* start.s -
|
|
||||||
*
|
|
||||||
* Contains code that is the first executed at boot time.
|
|
||||||
*
|
|
||||||
* Copyright (C) 1989 Digital Equipment Corporation.
|
|
||||||
* Permission to use, copy, modify, and distribute this software and
|
|
||||||
* its documentation for any purpose and without fee is hereby granted,
|
|
||||||
* provided that the above copyright notice appears in all copies.
|
|
||||||
* Digital Equipment Corporation makes no representations about the
|
|
||||||
* suitability of this software for any purpose. It is provided "as is"
|
|
||||||
* without express or implied warranty.
|
|
||||||
*
|
|
||||||
* from: Header: /sprite/src/boot/decprom/ds3100.md/RCS/start.s,
|
|
||||||
* v 1.1 90/02/16 16:19:39 shirriff Exp SPRITE (DECWRL)
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <mips/regdef.h>
|
|
||||||
#include <mips/asm.h>
|
|
||||||
#include <mips/cpuregs.h>
|
|
||||||
#include <pmax/stand/dec_prom.h>
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Amount to take off of the stack for the benefit of the debugger.
|
|
||||||
*/
|
|
||||||
#define START_FRAME ((4 * 4) + 4 + 4)
|
|
||||||
|
|
||||||
.globl start
|
|
||||||
start:
|
|
||||||
.set noreorder
|
|
||||||
#ifdef __GP_SUPPORT__
|
|
||||||
la gp, _C_LABEL (_gp)
|
|
||||||
#endif
|
|
||||||
la sp, start - START_FRAME
|
|
||||||
sw zero, START_FRAME - 4(sp) # Zero out old ra for debugger
|
|
||||||
sw zero, START_FRAME - 8(sp) # Zero out old fp for debugger
|
|
||||||
move s0, a0 # save argc
|
|
||||||
move s1, a1 # save argv
|
|
||||||
move s3, a3 # save call vector
|
|
||||||
beq a2, 0x30464354, 1f # jump if boot from DS5000
|
|
||||||
nop
|
|
||||||
la s3, _C_LABEL(callvec) # init call vector
|
|
||||||
1:
|
|
||||||
la a0, _C_LABEL (edata) # clear BSS
|
|
||||||
la a1, _C_LABEL (end)
|
|
||||||
jal _C_LABEL(bzero) # bzero(edata, end - edata)
|
|
||||||
subu a1, a1, a0
|
|
||||||
sw s3, _C_LABEL(callv) # save call vector
|
|
||||||
move a0, s0 # restore argc
|
|
||||||
jal _C_LABEL(main) # main(argc, argv)
|
|
||||||
move a1, s1 # restore argv
|
|
||||||
j _C_LABEL(prom_restart) # restart...
|
|
||||||
nop
|
|
||||||
|
|
||||||
/* dummy routine for gcc2 */
|
|
||||||
.globl _C_LABEL(__main)
|
|
||||||
_C_LABEL(__main):
|
|
||||||
j ra
|
|
||||||
nop
|
|
||||||
|
|
||||||
LEAF(prom_restart)
|
|
||||||
lw v0, _C_LABEL (callv)
|
|
||||||
lw v0, 0x9C(v0) /* halt */
|
|
||||||
move a0, zero /* Don't print anything. */
|
|
||||||
j v0
|
|
||||||
move a1, zero
|
|
||||||
END(prom_restart)
|
|
||||||
|
|
||||||
#if 0
|
|
||||||
LEAF(prom_open)
|
|
||||||
li v0, DEC_PROM_OPEN
|
|
||||||
j v0
|
|
||||||
nop
|
|
||||||
END(prom_open)
|
|
||||||
|
|
||||||
LEAF(prom_lseek)
|
|
||||||
li v0, DEC_PROM_LSEEK
|
|
||||||
j v0
|
|
||||||
nop
|
|
||||||
END(prom_lseek)
|
|
||||||
|
|
||||||
LEAF(prom_read)
|
|
||||||
li v0, DEC_PROM_READ
|
|
||||||
j v0
|
|
||||||
nop
|
|
||||||
END(prom_read)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
LEAF(printf)
|
|
||||||
lw v0, _C_LABEL(callv) # get pointer to call back vectors
|
|
||||||
sw a1, 4(sp) # store args on stack for printf
|
|
||||||
lw v0, 48(v0) # offset for callv->printf
|
|
||||||
sw a2, 8(sp)
|
|
||||||
j v0 # call PROM printf
|
|
||||||
sw a3, 12(sp)
|
|
||||||
END(printf)
|
|
||||||
Loading…
Reference in New Issue