add mkubootimage(1), a tool for creating u-boot compatible images
This commit is contained in:
jmcneill
parent
9f66ee5d51
commit
f18dcb652c
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@ -0,0 +1,7 @@
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# $NetBSD: Makefile,v 1.1 2010/06/18 18:55:48 jmcneill Exp $
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PROG= mkubootimage
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SRCS= mkubootimage.c crc32.c
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NOMAN= # defined
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.include <bsd.prog.mk>
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@ -0,0 +1,98 @@
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/* $NetBSD: crc32.c,v 1.1 2010/06/18 18:55:48 jmcneill Exp $ */
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/*-
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* Copyright (c) 2002 Marcel Moolenaar
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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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*
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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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*
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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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* CRC32 code derived from work by Gary S. Brown.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: crc32.c,v 1.1 2010/06/18 18:55:48 jmcneill Exp $");
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#include <sys/types.h>
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#include <stdint.h>
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uint32_t crc32(const void *, size_t);
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static uint32_t crc32_tab[] = {
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
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0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
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0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
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0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
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0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
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0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
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0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
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0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
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0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
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0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
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0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
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0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
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0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
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0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
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0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
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0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
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0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
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0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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};
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uint32_t
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crc32(const void *buf, size_t size)
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{
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const uint8_t *p;
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uint32_t crc;
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p = buf;
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crc = ~0U;
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while (size--)
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crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8);
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return crc ^ ~0U;
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}
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@ -0,0 +1,308 @@
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/* $NetBSD: mkubootimage.c,v 1.1 2010/06/18 18:55:48 jmcneill Exp $ */
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/*-
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* Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
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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. The name of the author 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,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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#include <sys/cdefs.h>
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__RCSID("$NetBSD: mkubootimage.c,v 1.1 2010/06/18 18:55:48 jmcneill Exp $");
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "uboot.h"
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#ifndef __arraycount
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#define __arraycount(__x) (sizeof(__x) / sizeof(__x[0]))
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#endif
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extern uint32_t crc32(const void *, size_t);
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static enum uboot_image_arch image_arch = IH_ARCH_UNKNOWN;
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static enum uboot_image_type image_type = IH_TYPE_UNKNOWN;
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static enum uboot_image_comp image_comp = IH_COMP_NONE;
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static uint32_t image_loadaddr = 0;
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static uint32_t image_entrypoint = 0;
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static char *image_name;
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struct uboot_arch {
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enum uboot_image_arch arch;
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const char *name;
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} uboot_arch[] = {
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{ IH_ARCH_ARM, "arm" },
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{ IH_ARCH_PPC, "powerpc" },
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};
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static enum uboot_image_arch
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get_arch(const char *name)
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{
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unsigned int i;
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for (i = 0; i < __arraycount(uboot_arch); i++) {
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if (strcmp(uboot_arch[i].name, name) == 0)
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return uboot_arch[i].arch;
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}
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return IH_ARCH_UNKNOWN;
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}
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struct uboot_type {
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enum uboot_image_type type;
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const char *name;
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} uboot_type[] = {
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{ IH_TYPE_KERNEL, "kernel" },
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{ IH_TYPE_RAMDISK, "ramdisk" },
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{ IH_TYPE_FILESYSTEM, "fs" },
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};
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static enum uboot_image_type
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get_type(const char *name)
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{
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unsigned int i;
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for (i = 0; i < __arraycount(uboot_type); i++) {
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if (strcmp(uboot_type[i].name, name) == 0)
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return uboot_type[i].type;
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}
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return IH_TYPE_UNKNOWN;
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}
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struct uboot_comp {
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enum uboot_image_comp comp;
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const char *name;
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} uboot_comp[] = {
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{ IH_COMP_NONE, "none" },
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{ IH_COMP_GZIP, "gz" },
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{ IH_COMP_BZIP2, "bz2" },
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};
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static enum uboot_image_comp
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get_comp(const char *name)
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{
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unsigned int i;
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for (i = 0; i < __arraycount(uboot_comp); i++) {
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if (strcmp(uboot_comp[i].name, name) == 0)
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return uboot_comp[i].comp;
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}
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return IH_TYPE_UNKNOWN;
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: mkuboot -A <arm|powerpc>");
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fprintf(stderr, " -T <kernel|ramdisk|fs>");
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fprintf(stderr, " -C <none|gz|bz2>");
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fprintf(stderr, " -a <addr> -e <ep> -n <name>");
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fprintf(stderr, " <srcfile> <dstfile>\n");
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exit(EXIT_FAILURE);
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}
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static void
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dump_header(struct uboot_image_header *hdr)
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{
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time_t tm = ntohl(hdr->ih_time);
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printf(" magic: 0x%08x\n", ntohl(hdr->ih_magic));
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printf(" time: %s", ctime(&tm));
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printf(" size: %u\n", ntohl(hdr->ih_size));
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printf(" load addr: 0x%08x\n", ntohl(hdr->ih_load));
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printf(" entry point: 0x%08x\n", ntohl(hdr->ih_ep));
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printf(" data crc: 0x%08x\n", ntohl(hdr->ih_dcrc));
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printf(" os: %d\n", hdr->ih_os);
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printf(" arch: %d\n", hdr->ih_arch);
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printf(" type: %d\n", hdr->ih_type);
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printf(" comp: %d\n", hdr->ih_comp);
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printf(" name: %s\n", hdr->ih_name);
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printf(" header crc: 0x%08x\n", hdr->ih_hcrc);
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}
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static int
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generate_header(struct uboot_image_header *hdr, int kernel_fd)
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{
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uint8_t *p;
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struct stat st;
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uint32_t crc;
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int error;
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error = fstat(kernel_fd, &st);
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if (error == -1) {
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perror("stat");
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return errno;
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}
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if (st.st_size + sizeof(*hdr) > UINT32_MAX) {
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fprintf(stderr, "fatal: kernel too big\n");
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return EINVAL;
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}
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p = mmap(0, st.st_size, PROT_READ, MAP_FILE|MAP_SHARED, kernel_fd, 0);
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if (p == MAP_FAILED) {
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perror("mmap kernel");
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return EINVAL;
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}
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crc = crc32(p, st.st_size);
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munmap(p, st.st_size);
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memset(hdr, 0, sizeof(*hdr));
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hdr->ih_magic = htonl(IH_MAGIC);
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hdr->ih_time = htonl(st.st_mtime);
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hdr->ih_size = htonl(st.st_size);
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hdr->ih_load = htonl(image_loadaddr);
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hdr->ih_ep = htonl(image_entrypoint);
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hdr->ih_dcrc = htonl(crc);
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hdr->ih_os = IH_OS_NETBSD;
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hdr->ih_arch = image_arch;
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hdr->ih_type = image_type;
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hdr->ih_comp = image_comp;
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strncpy((char *)hdr->ih_name, image_name, sizeof(hdr->ih_name));
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crc = crc32((void *)hdr, sizeof(*hdr));
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hdr->ih_hcrc = htonl(crc);
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dump_header(hdr);
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return 0;
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}
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static int
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write_image(struct uboot_image_header *hdr, int kernel_fd, int image_fd)
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{
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uint8_t buf[4096];
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ssize_t rlen, wlen;
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wlen = write(image_fd, hdr, sizeof(*hdr));
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if (wlen != sizeof(*hdr)) {
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perror("short write");
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return errno;
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}
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while ((rlen = read(kernel_fd, buf, sizeof(buf))) > 0) {
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wlen = write(image_fd, buf, rlen);
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if (wlen != rlen) {
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perror("short write");
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return errno;
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}
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}
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return 0;
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}
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int
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main(int argc, char *argv[])
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{
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struct uboot_image_header hdr;
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const char *src, *dest;
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char *ep;
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int kernel_fd, image_fd;
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int ch;
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unsigned long num;
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while ((ch = getopt(argc, argv, "A:C:T:a:e:hn:")) != -1) {
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switch (ch) {
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case 'A': /* arch */
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image_arch = get_arch(optarg);
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break;
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case 'C': /* comp */
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image_comp = get_comp(optarg);
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break;
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case 'T': /* type */
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image_type = get_type(optarg);
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break;
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case 'a': /* addr */
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errno = 0;
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num = strtoul(optarg, &ep, 0);
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if (*ep != '\0' || (errno == ERANGE &&
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(num == ULONG_MAX || num == 0)))
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errx(1, "illegal number -- %s", optarg);
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image_loadaddr = (uint32_t)num;
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break;
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case 'e': /* ep */
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errno = 0;
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num = strtoul(optarg, &ep, 0);
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if (*ep != '\0' || (errno == ERANGE &&
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(num == ULONG_MAX || num == 0)))
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errx(1, "illegal number -- %s", optarg);
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image_entrypoint = (uint32_t)num;
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break;
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case 'n': /* name */
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image_name = strdup(optarg);
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break;
|
||||
case 'h':
|
||||
default:
|
||||
usage();
|
||||
/* NOTREACHED */
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (argc != 2)
|
||||
usage();
|
||||
|
||||
if (image_arch == IH_ARCH_UNKNOWN ||
|
||||
image_type == IH_TYPE_UNKNOWN ||
|
||||
image_loadaddr == 0 ||
|
||||
image_entrypoint == 0 ||
|
||||
image_name == NULL)
|
||||
usage();
|
||||
|
||||
src = argv[0];
|
||||
dest = argv[1];
|
||||
|
||||
kernel_fd = open(src, O_RDONLY);
|
||||
if (kernel_fd == -1) {
|
||||
perror("open kernel");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
image_fd = open(dest, O_WRONLY|O_CREAT, 0666);
|
||||
if (image_fd == -1) {
|
||||
perror("open image");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
if (generate_header(&hdr, kernel_fd) != 0)
|
||||
return EXIT_FAILURE;
|
||||
|
||||
if (write_image(&hdr, kernel_fd, image_fd) != 0)
|
||||
return EXIT_FAILURE;
|
||||
|
||||
close(image_fd);
|
||||
close(kernel_fd);
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
@ -0,0 +1,70 @@
|
|||
/* $NetBSD: uboot.h,v 1.1 2010/06/18 18:55:48 jmcneill Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
|
||||
* 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. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
||||
*/
|
||||
|
||||
#ifndef _HAVE_UBOOT_H
|
||||
#define _HAVE_UBOOT_H
|
||||
|
||||
#define IH_OS_NETBSD 2
|
||||
|
||||
enum uboot_image_arch {
|
||||
IH_ARCH_UNKNOWN = 0,
|
||||
IH_ARCH_ARM = 2,
|
||||
IH_ARCH_PPC = 7
|
||||
};
|
||||
|
||||
enum uboot_image_type {
|
||||
IH_TYPE_UNKNOWN = 0,
|
||||
IH_TYPE_KERNEL = 2,
|
||||
IH_TYPE_RAMDISK = 3,
|
||||
IH_TYPE_FILESYSTEM = 7,
|
||||
};
|
||||
|
||||
enum uboot_image_comp {
|
||||
IH_COMP_NONE = 0,
|
||||
IH_COMP_GZIP = 1,
|
||||
IH_COMP_BZIP2 = 2,
|
||||
};
|
||||
|
||||
#define IH_MAGIC 0x27051956
|
||||
#define IH_NMLEN 32
|
||||
|
||||
struct uboot_image_header {
|
||||
uint32_t ih_magic;
|
||||
uint32_t ih_hcrc;
|
||||
uint32_t ih_time;
|
||||
uint32_t ih_size;
|
||||
uint32_t ih_load;
|
||||
uint32_t ih_ep;
|
||||
uint32_t ih_dcrc;
|
||||
uint8_t ih_os;
|
||||
uint8_t ih_arch;
|
||||
uint8_t ih_type;
|
||||
uint8_t ih_comp;
|
||||
uint8_t ih_name[IH_NMLEN];
|
||||
};
|
||||
|
||||
#endif /* !_HAVE_UBOOT_H */
|
||||
Loading…
Reference in New Issue