122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
/* $NetBSD: smallnet.c,v 1.4 1999/11/27 07:07:04 simonb Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Simon Burge.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <lib/libsa/stand.h>
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#include <lib/libkern/libkern.h>
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#include <lib/libz/zlib.h>
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#include <sys/param.h>
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#include <sys/exec_elf.h>
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#include <machine/dec_prom.h>
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#include "../common/common.h"
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#include "../common/bootinfo.h"
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typedef void (*entrypt) __P((int, char **, int, const void *));
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int main __P((int, char **));
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/*
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* These variables and array will be patched to contain a kernel image
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* and some information about the kernel.
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*/
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int maxkernel_size = KERNELSIZE;
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entrypt kernel_entry = 0 /* (entrypt)0x80030000 */ /* XXX XXX XXX */;
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u_long kernel_loadaddr = 0 /* 0x80030000 */ /* XXX XXX XXX */;
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int kernel_size = 0 /* 387321 */ /* XXX XXX XXX */;
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char kernel_image[KERNELSIZE] = "|This is the kernel image!\n";
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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 secondary boot loader called boot, and then transfers
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* execution to that program.
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*
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* Argv[0] should be something like "rz(0,0,0)netbsd" on a DECstation 3100.
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* Argv[0,1] should be something like "boot 5/rz0/netbsd" on a DECstation 5000.
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* The argument "-a" means netbsd 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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int ret;
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char *name;
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uLongf destlen;
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struct btinfo_bootpath bi_bpath;
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printf("NetBSD/pmax " NETBSD_VERS " " BOOT_TYPE_NAME
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" Bootstrap, Revision %s\n", bootprog_rev);
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printf("(%s, %s)\n", bootprog_maker, bootprog_date);
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/* initialise bootinfo structure early */
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bi_init(BOOTINFO_ADDR);
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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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name = *argv;
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strncpy(bi_bpath.bootpath, name, BTINFO_BOOTPATH_LEN);
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bi_add(&bi_bpath, BTINFO_BOOTPATH, sizeof(bi_bpath));
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destlen = RELOC - kernel_loadaddr;
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printf("\n");
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printf("Decompressing %d bytes to 0x%lx\n", kernel_size,
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kernel_loadaddr);
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ret = uncompress((Bytef *)kernel_loadaddr, &destlen, kernel_image,
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kernel_size);
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if (ret != Z_OK) {
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printf("Error decompressing kernel\n");
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printf("libz error %d\n", ret);
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return (1);
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}
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if (callv == &callvec)
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kernel_entry(argc, argv, 0, 0);
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else
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kernel_entry(argc, argv, DEC_PROM_MAGIC, callv);
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return (1);
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}
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