diff options
Diffstat (limited to 'tools/mkimage')
| -rw-r--r-- | tools/mkimage/Makefile | 27 | ||||
| -rw-r--r-- | tools/mkimage/src/crc32.c | 197 | ||||
| -rw-r--r-- | tools/mkimage/src/image.h | 157 | ||||
| -rw-r--r-- | tools/mkimage/src/mkimage.c | 745 |
4 files changed, 1126 insertions, 0 deletions
diff --git a/tools/mkimage/Makefile b/tools/mkimage/Makefile new file mode 100644 index 0000000000..71285d2e1a --- /dev/null +++ b/tools/mkimage/Makefile @@ -0,0 +1,27 @@ +# +# Copyright (C) 2006 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# +include $(TOPDIR)/rules.mk +include $(INCLUDE_DIR)/host-build.mk + +PKG_BUILD_DIR:=$(TOOL_BUILD_DIR)/mkimage + +define Build/Compile + $(CC) -O -c src/crc32.c -o $(PKG_BUILD_DIR)/crc32.o + $(CC) -O -c src/mkimage.c -o $(PKG_BUILD_DIR)/mkimage.o + $(CC) -O -o $(PKG_BUILD_DIR)/mkimage $(PKG_BUILD_DIR)/mkimage.o $(PKG_BUILD_DIR)/crc32.o +endef + +define Build/Install + mkdir -p $(STAGING_DIR)/bin + $(CP) $(PKG_BUILD_DIR)/mkimage $(STAGING_DIR)/bin/ +endef + +define Build/Clean + rm -f $(STAGING_DIR)/bin/mkimage +endef + +$(eval $(call HostBuild)) diff --git a/tools/mkimage/src/crc32.c b/tools/mkimage/src/crc32.c new file mode 100644 index 0000000000..9294fcba03 --- /dev/null +++ b/tools/mkimage/src/crc32.c @@ -0,0 +1,197 @@ +/* + * This file is derived from crc32.c from the zlib-1.1.3 distribution + * by Jean-loup Gailly and Mark Adler. + */ + +/* crc32.c -- compute the CRC-32 of a data stream + * Copyright (C) 1995-1998 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ +#define USE_HOSTCC +#ifndef USE_HOSTCC /* Shut down "ANSI does not permit..." warnings */ +#include <common.h> /* to get command definitions like CFG_CMD_JFFS2 */ +#endif + +#include "zlib.h" + +#define local static +#define ZEXPORT /* empty */ +unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); + +#ifdef DYNAMIC_CRC_TABLE + +local int crc_table_empty = 1; +local uLongf crc_table[256]; +local void make_crc_table OF((void)); + +/* + Generate a table for a byte-wise 32-bit CRC calculation on the polynomial: + x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. + + Polynomials over GF(2) are represented in binary, one bit per coefficient, + with the lowest powers in the most significant bit. Then adding polynomials + is just exclusive-or, and multiplying a polynomial by x is a right shift by + one. If we call the above polynomial p, and represent a byte as the + polynomial q, also with the lowest power in the most significant bit (so the + byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p, + where a mod b means the remainder after dividing a by b. + + This calculation is done using the shift-register method of multiplying and + taking the remainder. The register is initialized to zero, and for each + incoming bit, x^32 is added mod p to the register if the bit is a one (where + x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by + x (which is shifting right by one and adding x^32 mod p if the bit shifted + out is a one). We start with the highest power (least significant bit) of + q and repeat for all eight bits of q. + + The table is simply the CRC of all possible eight bit values. This is all + the information needed to generate CRC's on data a byte at a time for all + combinations of CRC register values and incoming bytes. +*/ +local void make_crc_table() +{ + uLong c; + int n, k; + uLong poly; /* polynomial exclusive-or pattern */ + /* terms of polynomial defining this crc (except x^32): */ + static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; + + /* make exclusive-or pattern from polynomial (0xedb88320L) */ + poly = 0L; + for (n = 0; n < sizeof(p)/sizeof(Byte); n++) + poly |= 1L << (31 - p[n]); + + for (n = 0; n < 256; n++) + { + c = (uLong)n; + for (k = 0; k < 8; k++) + c = c & 1 ? poly ^ (c >> 1) : c >> 1; + crc_table[n] = c; + } + crc_table_empty = 0; +} +#else +/* ======================================================================== + * Table of CRC-32's of all single-byte values (made by make_crc_table) + */ +local const uLongf crc_table[256] = { + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL +}; +#endif + +#if 0 +/* ========================================================================= + * This function can be used by asm versions of crc32() + */ +const uLongf * ZEXPORT get_crc_table() +{ +#ifdef DYNAMIC_CRC_TABLE + if (crc_table_empty) make_crc_table(); +#endif + return (const uLongf *)crc_table; +} +#endif + +/* ========================================================================= */ +#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8); +#define DO2(buf) DO1(buf); DO1(buf); +#define DO4(buf) DO2(buf); DO2(buf); +#define DO8(buf) DO4(buf); DO4(buf); + +/* ========================================================================= */ +uLong ZEXPORT crc32(crc, buf, len) + uLong crc; + const Bytef *buf; + uInt len; +{ +#ifdef DYNAMIC_CRC_TABLE + if (crc_table_empty) + make_crc_table(); +#endif + crc = crc ^ 0xffffffffL; + while (len >= 8) + { + DO8(buf); + len -= 8; + } + if (len) do { + DO1(buf); + } while (--len); + return crc ^ 0xffffffffL; +} + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) + +/* No ones complement version. JFFS2 (and other things ?) + * don't use ones compliment in their CRC calculations. + */ +uLong ZEXPORT crc32_no_comp(uLong crc, const Bytef *buf, uInt len) +{ +#ifdef DYNAMIC_CRC_TABLE + if (crc_table_empty) + make_crc_table(); +#endif + while (len >= 8) + { + DO8(buf); + len -= 8; + } + if (len) do { + DO1(buf); + } while (--len); + + return crc; +} + +#endif /* CFG_CMD_JFFS2 */ diff --git a/tools/mkimage/src/image.h b/tools/mkimage/src/image.h new file mode 100644 index 0000000000..af37bcad5a --- /dev/null +++ b/tools/mkimage/src/image.h @@ -0,0 +1,157 @@ +/* + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef __IMAGE_H__ +#define __IMAGE_H__ + +/* + * Operating System Codes + */ +#define IH_OS_INVALID 0 /* Invalid OS */ +#define IH_OS_OPENBSD 1 /* OpenBSD */ +#define IH_OS_NETBSD 2 /* NetBSD */ +#define IH_OS_FREEBSD 3 /* FreeBSD */ +#define IH_OS_4_4BSD 4 /* 4.4BSD */ +#define IH_OS_LINUX 5 /* Linux */ +#define IH_OS_SVR4 6 /* SVR4 */ +#define IH_OS_ESIX 7 /* Esix */ +#define IH_OS_SOLARIS 8 /* Solaris */ +#define IH_OS_IRIX 9 /* Irix */ +#define IH_OS_SCO 10 /* SCO */ +#define IH_OS_DELL 11 /* Dell */ +#define IH_OS_NCR 12 /* NCR */ +#define IH_OS_LYNXOS 13 /* LynxOS */ +#define IH_OS_VXWORKS 14 /* VxWorks */ +#define IH_OS_PSOS 15 /* pSOS */ +#define IH_OS_QNX 16 /* QNX */ +#define IH_OS_U_BOOT 17 /* Firmware */ +#define IH_OS_RTEMS 18 /* RTEMS */ +#define IH_OS_ARTOS 19 /* ARTOS */ +#define IH_OS_UNITY 20 /* Unity OS */ + +/* + * CPU Architecture Codes (supported by Linux) + */ +#define IH_CPU_INVALID 0 /* Invalid CPU */ +#define IH_CPU_ALPHA 1 /* Alpha */ +#define IH_CPU_ARM 2 /* ARM */ +#define IH_CPU_I386 3 /* Intel x86 */ +#define IH_CPU_IA64 4 /* IA64 */ +#define IH_CPU_MIPS 5 /* MIPS */ +#define IH_CPU_MIPS64 6 /* MIPS 64 Bit */ +#define IH_CPU_PPC 7 /* PowerPC */ +#define IH_CPU_S390 8 /* IBM S390 */ +#define IH_CPU_SH 9 /* SuperH */ +#define IH_CPU_SPARC 10 /* Sparc */ +#define IH_CPU_SPARC64 11 /* Sparc 64 Bit */ +#define IH_CPU_M68K 12 /* M68K */ +#define IH_CPU_NIOS 13 /* Nios-32 */ +#define IH_CPU_MICROBLAZE 14 /* MicroBlaze */ +#define IH_CPU_NIOS2 15 /* Nios-II */ + +/* + * Image Types + * + * "Standalone Programs" are directly runnable in the environment + * provided by U-Boot; it is expected that (if they behave + * well) you can continue to work in U-Boot after return from + * the Standalone Program. + * "OS Kernel Images" are usually images of some Embedded OS which + * will take over control completely. Usually these programs + * will install their own set of exception handlers, device + * drivers, set up the MMU, etc. - this means, that you cannot + * expect to re-enter U-Boot except by resetting the CPU. + * "RAMDisk Images" are more or less just data blocks, and their + * parameters (address, size) are passed to an OS kernel that is + * being started. + * "Multi-File Images" contain several images, typically an OS + * (Linux) kernel image and one or more data images like + * RAMDisks. This construct is useful for instance when you want + * to boot over the network using BOOTP etc., where the boot + * server provides just a single image file, but you want to get + * for instance an OS kernel and a RAMDisk image. + * + * "Multi-File Images" start with a list of image sizes, each + * image size (in bytes) specified by an "uint32_t" in network + * byte order. This list is terminated by an "(uint32_t)0". + * Immediately after the terminating 0 follow the images, one by + * one, all aligned on "uint32_t" boundaries (size rounded up to + * a multiple of 4 bytes - except for the last file). + * + * "Firmware Images" are binary images containing firmware (like + * U-Boot or FPGA images) which usually will be programmed to + * flash memory. + * + * "Script files" are command sequences that will be executed by + * U-Boot's command interpreter; this feature is especially + * useful when you configure U-Boot to use a real shell (hush) + * as command interpreter (=> Shell Scripts). + */ + +#define IH_TYPE_INVALID 0 /* Invalid Image */ +#define IH_TYPE_STANDALONE 1 /* Standalone Program */ +#define IH_TYPE_KERNEL 2 /* OS Kernel Image */ +#define IH_TYPE_RAMDISK 3 /* RAMDisk Image */ +#define IH_TYPE_MULTI 4 /* Multi-File Image */ +#define IH_TYPE_FIRMWARE 5 /* Firmware Image */ +#define IH_TYPE_SCRIPT 6 /* Script file */ +#define IH_TYPE_FILESYSTEM 7 /* Filesystem Image (any type) */ + +/* + * Compression Types + */ +#define IH_COMP_NONE 0 /* No Compression Used */ +#define IH_COMP_GZIP 1 /* gzip Compression Used */ +#define IH_COMP_BZIP2 2 /* bzip2 Compression Used */ + +#define IH_MAGIC 0x27051956 /* Image Magic Number */ +#define IH_NMLEN 32 /* Image Name Length */ + +/* + * all data in network byte order (aka natural aka bigendian) + */ + +typedef struct image_header { + uint32_t ih_magic; /* Image Header Magic Number */ + uint32_t ih_hcrc; /* Image Header CRC Checksum */ + uint32_t ih_time; /* Image Creation Timestamp */ + uint32_t ih_size; /* Image Data Size */ + uint32_t ih_load; /* Data Load Address */ + uint32_t ih_ep; /* Entry Point Address */ + uint32_t ih_dcrc; /* Image Data CRC Checksum */ + uint8_t ih_os; /* Operating System */ + uint8_t ih_arch; /* CPU architecture */ + uint8_t ih_type; /* Image Type */ + uint8_t ih_comp; /* Compression Type */ + uint8_t ih_name[IH_NMLEN]; /* Image Name */ +} image_header_t; + + +#endif /* __IMAGE_H__ */ diff --git a/tools/mkimage/src/mkimage.c b/tools/mkimage/src/mkimage.c new file mode 100644 index 0000000000..136075c50a --- /dev/null +++ b/tools/mkimage/src/mkimage.c @@ -0,0 +1,745 @@ +/* + * (C) Copyright 2000-2004 + * DENX Software Engineering + * Wolfgang Denk, wd@denx.de + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifndef __WIN32__ +#include <netinet/in.h> /* for host / network byte order conversions */ +#endif +#include <sys/mman.h> +#include <sys/stat.h> +#include <time.h> +#include <unistd.h> + +#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__) +#include <inttypes.h> +#endif + +#ifdef __WIN32__ +typedef unsigned int __u32; + +#define SWAP_LONG(x) \ + ((__u32)( \ + (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ + (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ + (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ + (((__u32)(x) & (__u32)0xff000000UL) >> 24) )) +typedef unsigned char uint8_t; +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; + +#define ntohl(a) SWAP_LONG(a) +#define htonl(a) SWAP_LONG(a) +#endif /* __WIN32__ */ + +#ifndef O_BINARY /* should be define'd on __WIN32__ */ +#define O_BINARY 0 +#endif + +#include "image.h" + +extern int errno; + +#ifndef MAP_FAILED +#define MAP_FAILED (-1) +#endif + +char *cmdname; + +extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len); + +typedef struct table_entry { + int val; /* as defined in image.h */ + char *sname; /* short (input) name */ + char *lname; /* long (output) name */ +} table_entry_t; + +table_entry_t arch_name[] = { + { IH_CPU_INVALID, NULL, "Invalid CPU", }, + { IH_CPU_ALPHA, "alpha", "Alpha", }, + { IH_CPU_ARM, "arm", "ARM", }, + { IH_CPU_I386, "x86", "Intel x86", }, + { IH_CPU_IA64, "ia64", "IA64", }, + { IH_CPU_M68K, "m68k", "MC68000", }, + { IH_CPU_MICROBLAZE, "microblaze", "MicroBlaze", }, + { IH_CPU_MIPS, "mips", "MIPS", }, + { IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", }, + { IH_CPU_NIOS, "nios", "NIOS", }, + { IH_CPU_NIOS2, "nios2", "NIOS II", }, + { IH_CPU_PPC, "ppc", "PowerPC", }, + { IH_CPU_S390, "s390", "IBM S390", }, + { IH_CPU_SH, "sh", "SuperH", }, + { IH_CPU_SPARC, "sparc", "SPARC", }, + { IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", }, + { -1, "", "", }, +}; + +table_entry_t os_name[] = { + { IH_OS_INVALID, NULL, "Invalid OS", }, + { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, + { IH_OS_ARTOS, "artos", "ARTOS", }, + { IH_OS_DELL, "dell", "Dell", }, + { IH_OS_ESIX, "esix", "Esix", }, + { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, + { IH_OS_IRIX, "irix", "Irix", }, + { IH_OS_LINUX, "linux", "Linux", }, + { IH_OS_LYNXOS, "lynxos", "LynxOS", }, + { IH_OS_NCR, "ncr", "NCR", }, + { IH_OS_NETBSD, "netbsd", "NetBSD", }, + { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, + { IH_OS_PSOS, "psos", "pSOS", }, + { IH_OS_QNX, "qnx", "QNX", }, + { IH_OS_RTEMS, "rtems", "RTEMS", }, + { IH_OS_SCO, "sco", "SCO", }, + { IH_OS_SOLARIS, "solaris", "Solaris", }, + { IH_OS_SVR4, "svr4", "SVR4", }, + { IH_OS_U_BOOT, "u-boot", "U-Boot", }, + { IH_OS_VXWORKS, "vxworks", "VxWorks", }, + { -1, "", "", }, +}; + +table_entry_t type_name[] = { + { IH_TYPE_INVALID, NULL, "Invalid Image", }, + { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, + { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, + { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, + { IH_TYPE_MULTI, "multi", "Multi-File Image", }, + { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, + { IH_TYPE_SCRIPT, "script", "Script", }, + { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, + { -1, "", "", }, +}; + +table_entry_t comp_name[] = { + { IH_COMP_NONE, "none", "uncompressed", }, + { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, + { IH_COMP_GZIP, "gzip", "gzip compressed", }, + { -1, "", "", }, +}; + +static void copy_file (int, const char *, int); +static void usage (void); +static void print_header (image_header_t *); +static void print_type (image_header_t *); +static char *put_table_entry (table_entry_t *, char *, int); +static char *put_arch (int); +static char *put_type (int); +static char *put_os (int); +static char *put_comp (int); +static int get_table_entry (table_entry_t *, char *, char *); +static int get_arch(char *); +static int get_comp(char *); +static int get_os (char *); +static int get_type(char *); + + +char *datafile; +char *imagefile; + +int dflag = 0; +int eflag = 0; +int lflag = 0; +int vflag = 0; +int xflag = 0; +int opt_os = IH_OS_LINUX; +int opt_arch = IH_CPU_PPC; +int opt_type = IH_TYPE_KERNEL; +int opt_comp = IH_COMP_GZIP; + +image_header_t header; +image_header_t *hdr = &header; + +int +main (int argc, char **argv) +{ + int ifd; + uint32_t checksum; + uint32_t addr; + uint32_t ep; + struct stat sbuf; + unsigned char *ptr; + char *name = ""; + + cmdname = *argv; + + addr = ep = 0; + + while (--argc > 0 && **++argv == '-') { + while (*++*argv) { + switch (**argv) { + case 'l': + lflag = 1; + break; + case 'A': + if ((--argc <= 0) || + (opt_arch = get_arch(*++argv)) < 0) + usage (); + goto NXTARG; + case 'C': + if ((--argc <= 0) || + (opt_comp = get_comp(*++argv)) < 0) + usage (); + goto NXTARG; + case 'O': + if ((--argc <= 0) || + (opt_os = get_os(*++argv)) < 0) + usage (); + goto NXTARG; + case 'T': + if ((--argc <= 0) || + (opt_type = get_type(*++argv)) < 0) + usage (); + goto NXTARG; + + case 'a': + if (--argc <= 0) + usage (); + addr = strtoul (*++argv, (char **)&ptr, 16); + if (*ptr) { + fprintf (stderr, + "%s: invalid load address %s\n", + cmdname, *argv); + exit (EXIT_FAILURE); + } + goto NXTARG; + case 'd': + if (--argc <= 0) + usage (); + datafile = *++argv; + dflag = 1; + goto NXTARG; + case 'e': + if (--argc <= 0) + usage (); + ep = strtoul (*++argv, (char **)&ptr, 16); + if (*ptr) { + fprintf (stderr, + "%s: invalid entry point %s\n", + cmdname, *argv); + exit (EXIT_FAILURE); + } + eflag = 1; + goto NXTARG; + case 'n': + if (--argc <= 0) + usage (); + name = *++argv; + goto NXTARG; + case 'v': + vflag++; + break; + case 'x': + xflag++; + break; + default: + usage (); + } + } +NXTARG: ; + } + + if ((argc != 1) || ((lflag ^ dflag) == 0)) + usage(); + + if (!eflag) { + ep = addr; + /* If XIP, entry point must be after the U-Boot header */ + if (xflag) + ep += sizeof(image_header_t); + } + + /* + * If XIP, ensure the entry point is equal to the load address plus + * the size of the U-Boot header. + */ + if (xflag) { + if (ep != addr + sizeof(image_header_t)) { + fprintf (stderr, "%s: For XIP, the entry point must be the load addr + %lu\n", + cmdname, + (unsigned long)sizeof(image_header_t)); + exit (EXIT_FAILURE); + } + } + + imagefile = *argv; + + if (lflag) { + ifd = open(imagefile, O_RDONLY|O_BINARY); + } else { + ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666); + } + + if (ifd < 0) { + fprintf (stderr, "%s: Can't open %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (lflag) { + int len; + char *data; + /* + * list header information of existing image + */ + if (fstat(ifd, &sbuf) < 0) { + fprintf (stderr, "%s: Can't stat %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { + fprintf (stderr, + "%s: Bad size: \"%s\" is no valid image\n", + cmdname, imagefile); + exit (EXIT_FAILURE); + } + + ptr = (unsigned char *)mmap(0, sbuf.st_size, + PROT_READ, MAP_SHARED, ifd, 0); + if ((caddr_t)ptr == (caddr_t)-1) { + fprintf (stderr, "%s: Can't read %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + /* + * create copy of header so that we can blank out the + * checksum field for checking - this can't be done + * on the PROT_READ mapped data. + */ + memcpy (hdr, ptr, sizeof(image_header_t)); + + if (ntohl(hdr->ih_magic) != IH_MAGIC) { + fprintf (stderr, + "%s: Bad Magic Number: \"%s\" is no valid image\n", + cmdname, imagefile); + exit (EXIT_FAILURE); + } + + data = (char *)hdr; + len = sizeof(image_header_t); + + checksum = ntohl(hdr->ih_hcrc); + hdr->ih_hcrc = htonl(0); /* clear for re-calculation */ + + if (crc32 (0, data, len) != checksum) { + fprintf (stderr, + "*** Warning: \"%s\" has bad header checksum!\n", + imagefile); + } + + data = (char *)(ptr + sizeof(image_header_t)); + len = sbuf.st_size - sizeof(image_header_t) ; + + if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) { + fprintf (stderr, + "*** Warning: \"%s\" has corrupted data!\n", + imagefile); + } + + /* for multi-file images we need the data part, too */ + print_header ((image_header_t *)ptr); + + (void) munmap((void *)ptr, sbuf.st_size); + (void) close (ifd); + + exit (EXIT_SUCCESS); + } + + /* + * Must be -w then: + * + * write dummy header, to be fixed later + */ + memset (hdr, 0, sizeof(image_header_t)); + + if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) { + fprintf (stderr, "%s: Write error on %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) { + char *file = datafile; + unsigned long size; + + for (;;) { + char *sep = NULL; + + if (file) { + if ((sep = strchr(file, ':')) != NULL) { + *sep = '\0'; + } + + if (stat (file, &sbuf) < 0) { + fprintf (stderr, "%s: Can't stat %s: %s\n", + cmdname, file, strerror(errno)); + exit (EXIT_FAILURE); + } + size = htonl(sbuf.st_size); + } else { + size = 0; + } + + if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) { + fprintf (stderr, "%s: Write error on %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (!file) { + break; + } + + if (sep) { + *sep = ':'; + file = sep + 1; + } else { + file = NULL; + } + } + + file = datafile; + + for (;;) { + char *sep = strchr(file, ':'); + if (sep) { + *sep = '\0'; + copy_file (ifd, file, 1); + *sep++ = ':'; + file = sep; + } else { + copy_file (ifd, file, 0); + break; + } + } + } else { + copy_file (ifd, datafile, 0); + } + + /* We're a bit of paranoid */ +#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) + (void) fdatasync (ifd); +#else + (void) fsync (ifd); +#endif + + if (fstat(ifd, &sbuf) < 0) { + fprintf (stderr, "%s: Can't stat %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + ptr = (unsigned char *)mmap(0, sbuf.st_size, + PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0); + if (ptr == (unsigned char *)MAP_FAILED) { + fprintf (stderr, "%s: Can't map %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + hdr = (image_header_t *)ptr; + + checksum = crc32 (0, + (const char *)(ptr + sizeof(image_header_t)), + sbuf.st_size - sizeof(image_header_t) + ); + + /* Build new header */ + hdr->ih_magic = htonl(IH_MAGIC); + hdr->ih_time = htonl(sbuf.st_mtime); + hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t)); + hdr->ih_load = htonl(addr); + hdr->ih_ep = htonl(ep); + hdr->ih_dcrc = htonl(checksum); + hdr->ih_os = opt_os; + hdr->ih_arch = opt_arch; + hdr->ih_type = opt_type; + hdr->ih_comp = opt_comp; + + strncpy((char *)hdr->ih_name, name, IH_NMLEN); + + checksum = crc32(0,(const char *)hdr,sizeof(image_header_t)); + + hdr->ih_hcrc = htonl(checksum); + + print_header (hdr); + + (void) munmap((void *)ptr, sbuf.st_size); + + /* We're a bit of paranoid */ +#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) + (void) fdatasync (ifd); +#else + (void) fsync (ifd); +#endif + + if (close(ifd)) { + fprintf (stderr, "%s: Write error on %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + exit (EXIT_SUCCESS); +} + +static void +copy_file (int ifd, const char *datafile, int pad) +{ + int dfd; + struct stat sbuf; + unsigned char *ptr; + int tail; + int zero = 0; + int offset = 0; + int size; + + if (vflag) { + fprintf (stderr, "Adding Image %s\n", datafile); + } + + if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { + fprintf (stderr, "%s: Can't open %s: %s\n", + cmdname, datafile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (fstat(dfd, &sbuf) < 0) { + fprintf (stderr, "%s: Can't stat %s: %s\n", + cmdname, datafile, strerror(errno)); + exit (EXIT_FAILURE); + } + + ptr = (unsigned char *)mmap(0, sbuf.st_size, + PROT_READ, MAP_SHARED, dfd, 0); + if (ptr == (unsigned char *)MAP_FAILED) { + fprintf (stderr, "%s: Can't read %s: %s\n", + cmdname, datafile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (xflag) { + unsigned char *p = NULL; + /* + * XIP: do not append the image_header_t at the + * beginning of the file, but consume the space + * reserved for it. + */ + + if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { + fprintf (stderr, + "%s: Bad size: \"%s\" is too small for XIP\n", + cmdname, datafile); + exit (EXIT_FAILURE); + } + + for (p=ptr; p < ptr+sizeof(image_header_t); p++) { + if ( *p != 0xff ) { + fprintf (stderr, + "%s: Bad file: \"%s\" has invalid buffer for XIP\n", + cmdname, datafile); + exit (EXIT_FAILURE); + } + } + + offset = sizeof(image_header_t); + } + + size = sbuf.st_size - offset; + if (write(ifd, ptr + offset, size) != size) { + fprintf (stderr, "%s: Write error on %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + + if (pad && ((tail = size % 4) != 0)) { + + if (write(ifd, (char *)&zero, 4-tail) != 4-tail) { + fprintf (stderr, "%s: Write error on %s: %s\n", + cmdname, imagefile, strerror(errno)); + exit (EXIT_FAILURE); + } + } + + (void) munmap((void *)ptr, sbuf.st_size); + (void) close (dfd); +} + +void +usage () +{ + fprintf (stderr, "Usage: %s -l image\n" + " -l ==> list image header information\n" + " %s [-x] -A arch -O os -T type -C comp " + "-a addr -e ep -n name -d data_file[:data_file...] image\n", + cmdname, cmdname); + fprintf (stderr, " -A ==> set architecture to 'arch'\n" + " -O ==> set operating system to 'os'\n" + " -T ==> set image type to 'type'\n" + " -C ==> set compression type 'comp'\n" + " -a ==> set load address to 'addr' (hex)\n" + " -e ==> set entry point to 'ep' (hex)\n" + " -n ==> set image name to 'name'\n" + " -d ==> use image data from 'datafile'\n" + " -x ==> set XIP (execute in place)\n" + ); + exit (EXIT_FAILURE); +} + +static void +print_header (image_header_t *hdr) +{ + time_t timestamp; + uint32_t size; + + timestamp = (time_t)ntohl(hdr->ih_time); + size = ntohl(hdr->ih_size); + + printf ("Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); + printf ("Created: %s", ctime(×tamp)); + printf ("Image Type: "); print_type(hdr); + printf ("Data Size: %d Bytes = %.2f kB = %.2f MB\n", + size, (double)size / 1.024e3, (double)size / 1.048576e6 ); + printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load)); + printf ("Entry Point: 0x%08X\n", ntohl(hdr->ih_ep)); + + if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) { + int i, ptrs; + uint32_t pos; + unsigned long *len_ptr = (unsigned long *) ( + (unsigned long)hdr + sizeof(image_header_t) + ); + + /* determine number of images first (to calculate image offsets) */ + for (i=0; len_ptr[i]; ++i) /* null pointer terminates list */ + ; + ptrs = i; /* null pointer terminates list */ + + pos = sizeof(image_header_t) + ptrs * sizeof(long); + printf ("Contents:\n"); + for (i=0; len_ptr[i]; ++i) { + size = ntohl(len_ptr[i]); + + printf (" Image %d: %8d Bytes = %4d kB = %d MB\n", + i, size, size>>10, size>>20); + if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) { + /* + * the user may need to know offsets + * if planning to do something with + * multiple files + */ + printf (" Offset = %08X\n", pos); + } + /* copy_file() will pad the first files to even word align */ + size += 3; + size &= ~3; + pos += size; + } + } +} + + +static void +print_type (image_header_t *hdr) +{ + printf ("%s %s %s (%s)\n", + put_arch (hdr->ih_arch), + put_os (hdr->ih_os ), + put_type (hdr->ih_type), + put_comp (hdr->ih_comp) + ); +} + +static char *put_arch (int arch) +{ + return (put_table_entry(arch_name, "Unknown Architecture", arch)); +} + +static char *put_os (int os) +{ + return (put_table_entry(os_name, "Unknown OS", os)); +} + +static char *put_type (int type) +{ + return (put_table_entry(type_name, "Unknown Image", type)); +} + +static char *put_comp (int comp) +{ + return (put_table_entry(comp_name, "Unknown Compression", comp)); +} + +static char *put_table_entry (table_entry_t *table, char *msg, int type) +{ + for (; table->val>=0; ++table) { + if (table->val == type) + return (table->lname); + } + return (msg); +} + +static int get_arch(char *name) +{ + return (get_table_entry(arch_name, "CPU", name)); +} + + +static int get_comp(char *name) +{ + return (get_table_entry(comp_name, "Compression", name)); +} + + +static int get_os (char *name) +{ + return (get_table_entry(os_name, "OS", name)); +} + + +static int get_type(char *name) +{ + return (get_table_entry(type_name, "Image", name)); +} + +static int get_table_entry (table_entry_t *table, char *msg, char *name) +{ + table_entry_t *t; + int first = 1; + + for (t=table; t->val>=0; ++t) { + if (t->sname && strcasecmp(t->sname, name)==0) + return (t->val); + } + fprintf (stderr, "\nInvalid %s Type - valid names are", msg); + for (t=table; t->val>=0; ++t) { + if (t->sname == NULL) + continue; + fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); + first = 0; + } + fprintf (stderr, "\n"); + return (-1); +} |