146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
/*
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* $NetBSD: main.c,v 1.2 2002/01/26 13:21:10 aymeric Exp $
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*
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*
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* Copyright (c) 1996,1999 Ignatios Souvatzis
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* Copyright (c) 1994 Michael L. Hitch
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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
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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 Michael L. Hitch.
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* 4. The name of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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#include <sys/reboot.h>
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#include <sys/types.h>
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#include <sys/exec_aout.h>
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#include <amiga/cfdev.h>
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#include <amiga/memlist.h>
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#include <include/cpu.h>
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#include <saerrno.h>
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#include <stand.h>
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#include "libstubs.h"
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#include "samachdep.h"
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#undef __LDPGSZ
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#define __LDPGSZ 8192
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#define __PGSZ 8192
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#define DRACOREVISION (*(u_int8_t *)0x02000009)
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#define DRACOMMUMARGIN 0x200000
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#define DRACOZ2OFFSET 0x3000000
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#define DRACOZ2MAX 0x1000000
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#define EXECMIN 36
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/*
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* vers.c (generated by newvers.sh)
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*/
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extern const char bootprog_rev[];
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void startit(void *, void *, void *);
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int consclose(void);
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extern void *ConsoleBase;
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int
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pain(void *aio)
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{
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long int io = 0;
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caddr_t kp;
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int ksize;
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struct stat sb;
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extern u_int16_t timelimit;
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xdinit(aio);
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if (consinit(NULL)) /* Initialize fresh console */
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return(1);
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#ifdef PPCBOOTER
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printf("NetBSD/AmigaPPC " NETBSD_VERS " Primary Bootstrap %s\n", bootprog_rev);
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#else
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printf("NetBSD/Amiga " NETBSD_VERS " Primary Bootstrap %s\n", bootprog_rev);
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#endif
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io = open("/boot.amiga", 0); /* Try /boot.amiga first */
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if (io < 0) {
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io = open("/boot", 0); /* Fallback to /boot */
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if (io < 0) {
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io = open("/boot.ami", 0); /* 8.3 name? */
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if (io < 0) {
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goto err;
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}
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}
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}
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/* get size of file? */
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if (fstat(io, &sb))
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goto err;
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/* allocate memory for file */
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ksize = sb.st_size;
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if (ksize == 0) {
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printf("Bad size, using 32K\n"); /* XXX debug? */
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ksize = 32 * 1024;
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}
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kp = alloc(ksize);
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if (kp == 0) {
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errno = ENOMEM;
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goto err;
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}
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/* read file into memory */
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if (read(io, kp, ksize) != ksize) {
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errno = ENOEXEC;
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goto freeall;
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}
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/* validate boot: DOS\0 and checksum? */
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if (strcmp(kp, "DOS") != 0 &&
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(*(u_int32_t *)kp) != 0x424f4f54) {
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errno = ENOEXEC;
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goto freeall;
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}
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/* call boot+12(aio, sysbase); */
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close(io);
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startit(kp, aio, ConsoleBase);
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errno = -1;
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freeall:
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free(kp, ksize);
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err:
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printf("Error %ld\n", (long)errno);
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close(io);
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timelimit = 10;
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(void)getchar();
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consclose();
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return 1;
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}
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