Net2/usr/src/sys/hp300/stand/mkboot.c
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* 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 7.2 (Berkeley) 12/16/90
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1990 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)mkboot.c 7.2 (Berkeley) 12/16/90";
#endif /* not lint */
#include "../include/param.h"
#include "volhdr.h"
#include <sys/exec.h>
#include <sys/file.h>
#include <stdio.h>
#include <ctype.h>
int lpflag;
int loadpoint;
struct load ld;
struct lifvol lifv;
struct lifdir lifd[8];
struct exec ex;
char buf[10240];
main(argc, argv)
char **argv;
{
int ac;
char **av;
int from1, from2, to;
register int n;
char *n1, *n2, *lifname();
ac = --argc;
av = ++argv;
if (ac == 0)
usage();
if (!strcmp(av[0], "-l")) {
av++;
ac--;
if (ac == 0)
usage();
sscanf(av[0], "0x%x", &loadpoint);
lpflag++;
av++;
ac--;
}
if (ac == 0)
usage();
from1 = open(av[0], O_RDONLY, 0);
if (from1 < 0) {
perror("open");
exit(1);
}
n1 = av[0];
av++;
ac--;
if (ac == 0)
usage();
if (ac == 2) {
from2 = open(av[0], O_RDONLY, 0);
if (from2 < 0) {
perror("open");
exit(1);
}
n2 = av[0];
av++;
ac--;
} else
from2 = -1;
to = open(av[0], O_WRONLY | O_TRUNC | O_CREAT, 0644);
if (to < 0) {
perror("open");
exit(1);
}
/* clear possibly unused directory entries */
strncpy(lifd[1].dir_name, " ", 10);
lifd[1].dir_type = -1;
lifd[1].dir_addr = 0;
lifd[1].dir_length = 0;
lifd[1].dir_flag = 0xFF;
lifd[1].dir_exec = 0;
lifd[7] = lifd[6] = lifd[5] = lifd[4] = lifd[3] = lifd[2] = lifd[1];
/* record volume info */
lifv.vol_id = VOL_ID;
strncpy(lifv.vol_label, "BOOT43", 6);
lifv.vol_addr = 2;
lifv.vol_oct = VOL_OCT;
lifv.vol_dirsize = 1;
lifv.vol_version = 1;
/* output bootfile one */
lseek(to, 3 * SECTSIZE, 0);
putfile(from1, to);
n = (ld.count + sizeof(ld) + (SECTSIZE - 1)) / SECTSIZE;
strcpy(lifd[0].dir_name, lifname(n1));
lifd[0].dir_type = DIR_TYPE;
lifd[0].dir_addr = 3;
lifd[0].dir_length = n;
lifd[0].dir_flag = DIR_FLAG;
lifd[0].dir_exec = lpflag? loadpoint + ex.a_entry : ex.a_entry;
lifv.vol_length = lifd[0].dir_addr + lifd[0].dir_length;
/* if there is an optional second boot program, output it */
if (from2 >= 0) {
lseek(to, (3 + n) * SECTSIZE, 0);
putfile(from2, to);
n = (ld.count + sizeof(ld) + (SECTSIZE - 1)) / SECTSIZE;
strcpy(lifd[1].dir_name, lifname(n2));
lifd[1].dir_type = DIR_TYPE;
lifd[1].dir_addr = 3 + lifd[0].dir_length;
lifd[1].dir_length = n;
lifd[1].dir_flag = DIR_FLAG;
lifd[1].dir_exec = lpflag? loadpoint + ex.a_entry : ex.a_entry;
lifv.vol_length = lifd[1].dir_addr + lifd[1].dir_length;
}
/* output volume/directory header info */
lseek(to, 0 * SECTSIZE, 0);
write(to, &lifv, sizeof(lifv));
lseek(to, 2 * SECTSIZE, 0);
write(to, lifd, sizeof(lifd));
exit(0);
}
putfile(from, to)
{
register int n, tcnt, dcnt;
n = read(from, &ex, sizeof(ex));
if (n != sizeof(ex)) {
fprintf(stderr, "error reading file header\n");
exit(1);
}
if (ex.a_magic == OMAGIC) {
tcnt = ex.a_text;
dcnt = ex.a_data;
}
else if (ex.a_magic == NMAGIC) {
tcnt = (ex.a_text + PGOFSET) & ~PGOFSET;
dcnt = ex.a_data;
}
else {
fprintf(stderr, "bad magic number\n");
exit(1);
}
ld.address = lpflag ? loadpoint : ex.a_entry;
ld.count = tcnt + dcnt;
write(to, &ld, sizeof(ld));
while (tcnt) {
n = sizeof(buf);
if (n > tcnt)
n = tcnt;
n = read(from, buf, n);
if (n < 0) {
perror("read");
exit(1);
}
if (n == 0) {
fprintf(stderr, "short read\n");
exit(1);
}
if (write(to, buf, n) < 0) {
perror("write");
exit(1);
}
tcnt -= n;
}
while (dcnt) {
n = sizeof(buf);
if (n > dcnt)
n = dcnt;
n = read(from, buf, n);
if (n < 0) {
perror("read");
exit(1);
}
if (n == 0) {
fprintf(stderr, "short read\n");
exit(1);
}
if (write(to, buf, n) < 0) {
perror("write");
exit(1);
}
dcnt -= n;
}
}
usage()
{
fprintf(stderr,
"usage: mkboot [-l loadpoint] prog1 [ prog2 ] outfile\n");
exit(1);
}
char *
lifname(str)
char *str;
{
static char lname[10] = "SYS_XXXXX";
register int i;
for (i = 4; i < 9; i++) {
if (islower(*str))
lname[i] = toupper(*str);
else if (isalnum(*str) || *str == '_')
lname[i] = *str;
else
break;
str++;
}
for ( ; i < 10; i++)
lname[i] = '\0';
return(lname);
}