| /* |
| * (C) Copyright 2000-2002 |
| * DENX Software Engineering |
| * Wolfgang Denk, wd@denx.de |
| * All rights reserved. |
| */ |
| |
| #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__ */ |
| |
| #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_MIPS, "mips", "MIPS", }, |
| { IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", }, |
| { 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_OPENBSD, "openbsd", "OpenBSD", }, |
| { IH_OS_NETBSD, "netbsd", "NetBSD", }, |
| { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, |
| { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, |
| { IH_OS_LINUX, "linux", "Linux", }, |
| { IH_OS_SVR4, "svr4", "SVR4", }, |
| { IH_OS_ESIX, "esix", "Esix", }, |
| { IH_OS_SOLARIS, "solaris", "Solaris", }, |
| { IH_OS_IRIX, "irix", "Irix", }, |
| { IH_OS_SCO, "sco", "SCO", }, |
| { IH_OS_DELL, "dell", "Dell", }, |
| { IH_OS_NCR, "ncr", "NCR", }, |
| { IH_OS_LYNXOS, "lynxos", "LynxOS", }, |
| { IH_OS_VXWORKS, "vxworks", "VxWorks", }, |
| { IH_OS_PSOS, "psos", "pSOS", }, |
| { IH_OS_QNX, "qnx", "QNX", }, |
| { IH_OS_U_BOOT, "u-boot", "U-Boot", }, |
| { IH_OS_RTEMS, "rtems", "RTEMS", }, |
| { -1, "", "", }, |
| }; |
| |
| table_entry_t type_name[] = { |
| { IH_TYPE_INVALID, NULL, "Invalid Image", }, |
| { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, |
| { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, |
| { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, |
| { IH_TYPE_MULTI, "multi", "Multi-File Image", }, |
| { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, |
| { IH_TYPE_SCRIPT, "script", "Script", }, |
| { -1, "", "", }, |
| }; |
| |
| table_entry_t comp_name[] = { |
| { IH_COMP_NONE, "none", "uncompressed", }, |
| { IH_COMP_GZIP, "gzip", "gzip compressed", }, |
| { IH_COMP_BZIP2, "bzip2", "bzip2 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); |
| } else { |
| #ifdef __WIN32__ |
| ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666); |
| #else |
| ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC, 0666); |
| #endif |
| } |
| |
| 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 (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__) |
| (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__) |
| (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)) < 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 (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 -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); |
| } |