diff options
Diffstat (limited to 'sys/arch/hp300/stand/pboot.c')
| -rw-r--r-- | sys/arch/hp300/stand/pboot.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/sys/arch/hp300/stand/pboot.c b/sys/arch/hp300/stand/pboot.c new file mode 100644 index 00000000000..34407c14bef --- /dev/null +++ b/sys/arch/hp300/stand/pboot.c @@ -0,0 +1,161 @@ +/* $NetBSD: pboot.c,v 1.10 1995/10/04 07:24:31 thorpej Exp $ */ + +/*- + * Copyright (c) 1982, 1986, 1990, 1993 + * 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. + * + * @(#)boot.c 8.1 (Berkeley) 6/10/93 + */ + +#include <sys/param.h> +#include <sys/reboot.h> +#include <a.out.h> +#include "stand.h" +#include "samachdep.h" + +/* + * Boot program... bits in `howto' determine whether boot stops to + * ask for system name. Boot device is derived from ROM provided + * information. + */ + +char line[100]; + +extern u_int opendev; +extern char *lowram; +extern int noconsole; +extern int cons_scode; + +char *name; +char *names[] = { + "/netbsd", "/onetbsd", "/netbsd.old", +}; +#define NUMNAMES (sizeof(names)/sizeof(char *)) + +static int bdev, badapt, bctlr, bunit, bpart; + +main() +{ + int currname = 0; + + printf("\n>> NetBSD BOOT HP9000/%s CPU\n", + getmachineid()); + printf(">> $NetBSD: pboot.c,v 1.10 1995/10/04 07:24:31 thorpej Exp $\n"); + printf(">> Enter \"reset\" to reset system.\n"); + + bdev = B_TYPE(bootdev); + badapt = B_ADAPTOR(bootdev); + bctlr = B_CONTROLLER(bootdev); + bunit = B_UNIT(bootdev); + bpart = B_PARTITION(bootdev); + + for (;;) { + name = names[currname++]; + if (currname == NUMNAMES) + currname = 0; + + if (!noconsole) { + howto = 0; + getbootdev(&howto); + } else + printf(": %s\n", name); + +#if 0 + printf("Booting %s%d%c:%s @ 0x%x\n", + devsw[dev].dv_name, ctlr + (8 * adapt), 'a' + part, name, x.a_entry); +#endif + + exec(name, lowram, howto); + printf("boot: %s\n", strerror(errno)); + } +} + +getbootdev(howto) + int *howto; +{ + char c, *ptr = line; + + printf("Boot: [[[%s%d%c:]%s][-s][-a][-d]] :- ", + devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name); + + if (tgets(line)) { + if (strcmp(line, "reset") == 0) { + call_req_reboot(); /* reset machine */ + printf("panic: can't reboot, halting\n"); + asm("stop #0x2700"); + } + while (c = *ptr) { + while (c == ' ') + c = *++ptr; + if (!c) + return; + if (c == '-') + while ((c = *++ptr) && c != ' ') + switch (c) { + case 'a': + *howto |= RB_ASKNAME; + continue; + case 's': + *howto |= RB_SINGLE; + continue; + case 'd': + *howto |= RB_KDB; + continue; + case 'b': + *howto |= RB_HALT; + continue; + } + else { + name = ptr; + while ((c = *++ptr) && c != ' '); + if (c) + *ptr++ = 0; + } + } + } else + printf("\n"); +} + +void +machdep_start(entry, howto, loadaddr, ssym, esym) + char *entry; + int howto; + char *loadaddr; + char *ssym, *esym; +{ + + asm("movl %0,d7" : : "m" (howto)); + asm("movl %0,d6" : : "m" (opendev)); + asm("movl %0,d5" : : "m" (cons_scode)); + asm("movl %0,a5" : : "a" (loadaddr)); + asm("movl %0,a4" : : "a" (esym)); + (*((int (*)())entry))(); +} |