mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 10:58:52 +09:00
![Aubrey.Li](/assets/img/avatar_default.png)
Singed-off-by: Marc Hoffman <Marc.Hoffman@analog.com> Signed-off-by: Aubrey Li <aubrey.adi@gmail.com>
752 lines
18 KiB
C
752 lines
18 KiB
C
/*
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* (C) Copyright 2000-2004
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* DENX Software Engineering
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* Wolfgang Denk, wd@denx.de
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <errno.h>
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#include <fcntl.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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#ifndef __WIN32__
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#include <netinet/in.h> /* for host / network byte order conversions */
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#endif
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
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#include <inttypes.h>
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#endif
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#ifdef __WIN32__
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typedef unsigned int __u32;
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#define SWAP_LONG(x) \
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((__u32)( \
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(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
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(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
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(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
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(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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#define ntohl(a) SWAP_LONG(a)
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#define htonl(a) SWAP_LONG(a)
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#endif /* __WIN32__ */
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#ifndef O_BINARY /* should be define'd on __WIN32__ */
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#define O_BINARY 0
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#endif
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#include <image.h>
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extern int errno;
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#ifndef MAP_FAILED
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#define MAP_FAILED (-1)
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#endif
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char *cmdname;
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extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len);
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typedef struct table_entry {
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int val; /* as defined in image.h */
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char *sname; /* short (input) name */
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char *lname; /* long (output) name */
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} table_entry_t;
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table_entry_t arch_name[] = {
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{ IH_CPU_INVALID, NULL, "Invalid CPU", },
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{ IH_CPU_ALPHA, "alpha", "Alpha", },
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{ IH_CPU_ARM, "arm", "ARM", },
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{ IH_CPU_I386, "x86", "Intel x86", },
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{ IH_CPU_IA64, "ia64", "IA64", },
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{ IH_CPU_M68K, "m68k", "MC68000", },
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{ IH_CPU_MICROBLAZE, "microblaze", "MicroBlaze", },
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{ IH_CPU_MIPS, "mips", "MIPS", },
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{ IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", },
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{ IH_CPU_NIOS, "nios", "NIOS", },
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{ IH_CPU_NIOS2, "nios2", "NIOS II", },
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{ IH_CPU_PPC, "ppc", "PowerPC", },
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{ IH_CPU_S390, "s390", "IBM S390", },
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{ IH_CPU_SH, "sh", "SuperH", },
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{ IH_CPU_SPARC, "sparc", "SPARC", },
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{ IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", },
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{ IH_CPU_BLACKFIN, "blackfin", "Blackfin", },
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{ IH_CPU_AVR32, "avr32", "AVR32", },
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{ -1, "", "", },
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};
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table_entry_t os_name[] = {
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{ IH_OS_INVALID, NULL, "Invalid OS", },
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{ IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
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{ IH_OS_ARTOS, "artos", "ARTOS", },
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{ IH_OS_DELL, "dell", "Dell", },
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{ IH_OS_ESIX, "esix", "Esix", },
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{ IH_OS_FREEBSD, "freebsd", "FreeBSD", },
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{ IH_OS_IRIX, "irix", "Irix", },
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{ IH_OS_LINUX, "linux", "Linux", },
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{ IH_OS_LYNXOS, "lynxos", "LynxOS", },
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{ IH_OS_NCR, "ncr", "NCR", },
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{ IH_OS_NETBSD, "netbsd", "NetBSD", },
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{ IH_OS_OPENBSD, "openbsd", "OpenBSD", },
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{ IH_OS_PSOS, "psos", "pSOS", },
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{ IH_OS_QNX, "qnx", "QNX", },
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{ IH_OS_RTEMS, "rtems", "RTEMS", },
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{ IH_OS_SCO, "sco", "SCO", },
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{ IH_OS_SOLARIS, "solaris", "Solaris", },
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{ IH_OS_SVR4, "svr4", "SVR4", },
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{ IH_OS_U_BOOT, "u-boot", "U-Boot", },
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{ IH_OS_VXWORKS, "vxworks", "VxWorks", },
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{ -1, "", "", },
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};
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table_entry_t type_name[] = {
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{ IH_TYPE_INVALID, NULL, "Invalid Image", },
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{ IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
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{ IH_TYPE_FIRMWARE, "firmware", "Firmware", },
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{ IH_TYPE_KERNEL, "kernel", "Kernel Image", },
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{ IH_TYPE_MULTI, "multi", "Multi-File Image", },
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{ IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
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{ IH_TYPE_SCRIPT, "script", "Script", },
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{ IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
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{ IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
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{ -1, "", "", },
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};
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table_entry_t comp_name[] = {
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{ IH_COMP_NONE, "none", "uncompressed", },
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{ IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
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{ IH_COMP_GZIP, "gzip", "gzip compressed", },
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{ -1, "", "", },
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};
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static void copy_file (int, const char *, int);
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static void usage (void);
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static void print_header (image_header_t *);
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static void print_type (image_header_t *);
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static char *put_table_entry (table_entry_t *, char *, int);
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static char *put_arch (int);
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static char *put_type (int);
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static char *put_os (int);
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static char *put_comp (int);
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static int get_table_entry (table_entry_t *, char *, char *);
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static int get_arch(char *);
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static int get_comp(char *);
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static int get_os (char *);
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static int get_type(char *);
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char *datafile;
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char *imagefile;
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int dflag = 0;
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int eflag = 0;
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int lflag = 0;
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int vflag = 0;
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int xflag = 0;
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int opt_os = IH_OS_LINUX;
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int opt_arch = IH_CPU_PPC;
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int opt_type = IH_TYPE_KERNEL;
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int opt_comp = IH_COMP_GZIP;
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image_header_t header;
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image_header_t *hdr = &header;
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int
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main (int argc, char **argv)
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{
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int ifd;
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uint32_t checksum;
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uint32_t addr;
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uint32_t ep;
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struct stat sbuf;
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unsigned char *ptr;
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char *name = "";
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cmdname = *argv;
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addr = ep = 0;
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while (--argc > 0 && **++argv == '-') {
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while (*++*argv) {
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switch (**argv) {
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case 'l':
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lflag = 1;
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break;
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case 'A':
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if ((--argc <= 0) ||
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(opt_arch = get_arch(*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'C':
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if ((--argc <= 0) ||
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(opt_comp = get_comp(*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'O':
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if ((--argc <= 0) ||
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(opt_os = get_os(*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'T':
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if ((--argc <= 0) ||
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(opt_type = get_type(*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'a':
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if (--argc <= 0)
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usage ();
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addr = strtoul (*++argv, (char **)&ptr, 16);
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if (*ptr) {
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fprintf (stderr,
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"%s: invalid load address %s\n",
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cmdname, *argv);
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exit (EXIT_FAILURE);
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}
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goto NXTARG;
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case 'd':
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if (--argc <= 0)
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usage ();
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datafile = *++argv;
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dflag = 1;
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goto NXTARG;
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case 'e':
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if (--argc <= 0)
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usage ();
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ep = strtoul (*++argv, (char **)&ptr, 16);
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if (*ptr) {
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fprintf (stderr,
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"%s: invalid entry point %s\n",
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cmdname, *argv);
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exit (EXIT_FAILURE);
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}
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eflag = 1;
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goto NXTARG;
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case 'n':
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if (--argc <= 0)
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usage ();
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name = *++argv;
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goto NXTARG;
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case 'v':
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vflag++;
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break;
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case 'x':
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xflag++;
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break;
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default:
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usage ();
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}
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}
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NXTARG: ;
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}
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if ((argc != 1) || ((lflag ^ dflag) == 0))
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usage();
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if (!eflag) {
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ep = addr;
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/* If XIP, entry point must be after the U-Boot header */
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if (xflag)
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ep += sizeof(image_header_t);
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}
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/*
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* If XIP, ensure the entry point is equal to the load address plus
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* the size of the U-Boot header.
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*/
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if (xflag) {
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if (ep != addr + sizeof(image_header_t)) {
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fprintf (stderr,
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"%s: For XIP, the entry point must be the load addr + %lu\n",
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cmdname,
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(unsigned long)sizeof(image_header_t));
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exit (EXIT_FAILURE);
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}
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}
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imagefile = *argv;
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if (lflag) {
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ifd = open(imagefile, O_RDONLY|O_BINARY);
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} else {
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ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
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}
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if (ifd < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (lflag) {
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int len;
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char *data;
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/*
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* list header information of existing image
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*/
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
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fprintf (stderr,
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"%s: Bad size: \"%s\" is no valid image\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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ptr = (unsigned char *)mmap(0, sbuf.st_size,
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PROT_READ, MAP_SHARED, ifd, 0);
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if ((caddr_t)ptr == (caddr_t)-1) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/*
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* create copy of header so that we can blank out the
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* checksum field for checking - this can't be done
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* on the PROT_READ mapped data.
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*/
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memcpy (hdr, ptr, sizeof(image_header_t));
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if (ntohl(hdr->ih_magic) != IH_MAGIC) {
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fprintf (stderr,
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"%s: Bad Magic Number: \"%s\" is no valid image\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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data = (char *)hdr;
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len = sizeof(image_header_t);
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checksum = ntohl(hdr->ih_hcrc);
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hdr->ih_hcrc = htonl(0); /* clear for re-calculation */
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if (crc32 (0, data, len) != checksum) {
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fprintf (stderr,
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"%s: ERROR: \"%s\" has bad header checksum!\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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data = (char *)(ptr + sizeof(image_header_t));
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len = sbuf.st_size - sizeof(image_header_t) ;
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if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) {
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fprintf (stderr,
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"%s: ERROR: \"%s\" has corrupted data!\n",
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cmdname, imagefile);
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exit (EXIT_FAILURE);
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}
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/* for multi-file images we need the data part, too */
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print_header ((image_header_t *)ptr);
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(void) munmap((void *)ptr, sbuf.st_size);
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(void) close (ifd);
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exit (EXIT_SUCCESS);
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}
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/*
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* Must be -w then:
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*
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* write dummy header, to be fixed later
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*/
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memset (hdr, 0, sizeof(image_header_t));
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if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) {
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char *file = datafile;
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uint32_t size;
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for (;;) {
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char *sep = NULL;
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if (file) {
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if ((sep = strchr(file, ':')) != NULL) {
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*sep = '\0';
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}
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if (stat (file, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, file, strerror(errno));
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exit (EXIT_FAILURE);
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}
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size = htonl(sbuf.st_size);
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} else {
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size = 0;
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}
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if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (!file) {
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break;
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}
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if (sep) {
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*sep = ':';
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file = sep + 1;
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} else {
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file = NULL;
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}
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}
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file = datafile;
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for (;;) {
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char *sep = strchr(file, ':');
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if (sep) {
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*sep = '\0';
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copy_file (ifd, file, 1);
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*sep++ = ':';
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file = sep;
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} else {
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copy_file (ifd, file, 0);
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break;
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}
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}
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} else {
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copy_file (ifd, datafile, 0);
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}
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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ptr = (unsigned char *)mmap(0, sbuf.st_size,
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PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
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if (ptr == (unsigned char *)MAP_FAILED) {
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fprintf (stderr, "%s: Can't map %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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hdr = (image_header_t *)ptr;
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checksum = crc32 (0,
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(const char *)(ptr + sizeof(image_header_t)),
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sbuf.st_size - sizeof(image_header_t)
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);
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/* Build new header */
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hdr->ih_magic = htonl(IH_MAGIC);
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hdr->ih_time = htonl(sbuf.st_mtime);
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hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t));
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hdr->ih_load = htonl(addr);
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hdr->ih_ep = htonl(ep);
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hdr->ih_dcrc = htonl(checksum);
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hdr->ih_os = opt_os;
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hdr->ih_arch = opt_arch;
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hdr->ih_type = opt_type;
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hdr->ih_comp = opt_comp;
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strncpy((char *)hdr->ih_name, name, IH_NMLEN);
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checksum = crc32(0,(const char *)hdr,sizeof(image_header_t));
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hdr->ih_hcrc = htonl(checksum);
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print_header (hdr);
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(void) munmap((void *)ptr, sbuf.st_size);
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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|
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if (close(ifd)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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|
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exit (EXIT_SUCCESS);
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}
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static void
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copy_file (int ifd, const char *datafile, int pad)
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{
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int dfd;
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struct stat sbuf;
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unsigned char *ptr;
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int tail;
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int zero = 0;
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int offset = 0;
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int size;
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|
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if (vflag) {
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fprintf (stderr, "Adding Image %s\n", datafile);
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}
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|
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if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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|
|
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if (fstat(dfd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, datafile, strerror(errno));
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|
exit (EXIT_FAILURE);
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|
}
|
|
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|
ptr = (unsigned char *)mmap(0, sbuf.st_size,
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PROT_READ, MAP_SHARED, dfd, 0);
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if (ptr == (unsigned char *)MAP_FAILED) {
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|
fprintf (stderr, "%s: Can't read %s: %s\n",
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cmdname, datafile, strerror(errno));
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|
exit (EXIT_FAILURE);
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}
|
|
|
|
if (xflag) {
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|
unsigned char *p = NULL;
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|
/*
|
|
* XIP: do not append the image_header_t at the
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|
* beginning of the file, but consume the space
|
|
* reserved for it.
|
|
*/
|
|
|
|
if ((unsigned)sbuf.st_size < sizeof(image_header_t)) {
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|
fprintf (stderr,
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|
"%s: Bad size: \"%s\" is too small for XIP\n",
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|
cmdname, datafile);
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|
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",
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|
cmdname, datafile);
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|
exit (EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
offset = sizeof(image_header_t);
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|
}
|
|
|
|
size = sbuf.st_size - offset;
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|
if (write(ifd, ptr + offset, size) != size) {
|
|
fprintf (stderr, "%s: Write error on %s: %s\n",
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|
cmdname, imagefile, strerror(errno));
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|
exit (EXIT_FAILURE);
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|
}
|
|
|
|
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);
|
|
}
|