diff options
Diffstat (limited to 'package/mkimage/src')
| -rw-r--r-- | package/mkimage/src/crc32.c | 200 | ||||
| -rw-r--r-- | package/mkimage/src/image.h | 161 | ||||
| -rw-r--r-- | package/mkimage/src/mkimage.c | 755 | 
3 files changed, 1116 insertions, 0 deletions
diff --git a/package/mkimage/src/crc32.c b/package/mkimage/src/crc32.c new file mode 100644 index 000000000..067b3106c --- /dev/null +++ b/package/mkimage/src/crc32.c @@ -0,0 +1,200 @@ +/* + * 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) || \ +	((CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)) + +/* 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/package/mkimage/src/image.h b/package/mkimage/src/image.h new file mode 100644 index 000000000..cb62cde5b --- /dev/null +++ b/package/mkimage/src/image.h @@ -0,0 +1,161 @@ +/* + * (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	*/ +#define IH_CPU_BLACKFIN		16	/* Blackfin	*/ +#define IH_CPU_AVR32		17	/* AVR32	*/ + +/* + * 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)	*/ +#define IH_TYPE_FLATDT		8	/* Binary Flat Device Tree Blob	*/ + +/* + * 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_COMP_LZMA		3	/* lzma  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/package/mkimage/src/mkimage.c b/package/mkimage/src/mkimage.c new file mode 100644 index 000000000..7c0432bad --- /dev/null +++ b/package/mkimage/src/mkimage.c @@ -0,0 +1,755 @@ +/* + * (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 + */ +#ifdef __APPLE__ +#define __FreeBSD__ 10 +#endif + +#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> +#include <sys/types.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",	}, +    {	IH_CPU_BLACKFIN,	"blackfin",	"Blackfin",	}, +    {	IH_CPU_AVR32,		"avr32",	"AVR32",	}, +    {	-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", }, +    {	IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",	}, +    {	-1,		    "",		  "",			}, +}; + +table_entry_t comp_name[] = { +    {	IH_COMP_NONE,	"none",		"uncompressed",		}, +    {	IH_COMP_BZIP2,	"bzip2",	"bzip2 compressed",	}, +    {	IH_COMP_GZIP,	"gzip",		"gzip compressed",	}, +    {	IH_COMP_LZMA,	"lzma",		"lzma 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, +				"%s: ERROR: \"%s\" has bad header checksum!\n", +				cmdname, imagefile); +			exit (EXIT_FAILURE); +		} + +		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, +				"%s: ERROR: \"%s\" has corrupted data!\n", +				cmdname, imagefile); +			exit (EXIT_FAILURE); +		} + +		/* 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; +		uint32_t 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__) +	(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__) +	(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; +		uint32_t *len_ptr = (uint32_t *) ( +					(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); +}  | 
