| /* |
| * (C) Copyright 2000-2004 |
| * DENX Software Engineering |
| * Wolfgang Denk, wd@denx.de |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #include "mkimage.h" |
| #include <image.h> |
| |
| extern int errno; |
| |
| #ifndef MAP_FAILED |
| #define MAP_FAILED (-1) |
| #endif |
| |
| extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len); |
| static void copy_file (int, const char *, int); |
| static void usage (void); |
| |
| char *datafile; |
| char *imagefile; |
| char *cmdname; |
| |
| 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_ARCH_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 = genimg_get_arch_id (*++argv)) < 0) |
| usage (); |
| goto NXTARG; |
| case 'C': |
| if ((--argc <= 0) || |
| (opt_comp = genimg_get_comp_id (*++argv)) < 0) |
| usage (); |
| goto NXTARG; |
| case 'O': |
| if ((--argc <= 0) || |
| (opt_os = genimg_get_os_id (*++argv)) < 0) |
| usage (); |
| goto NXTARG; |
| case 'T': |
| if ((--argc <= 0) || |
| (opt_type = genimg_get_type_id (*++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 += image_get_header_size (); |
| } |
| |
| /* |
| * 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 + image_get_header_size ()) { |
| fprintf (stderr, |
| "%s: For XIP, the entry point must be the load addr + %lu\n", |
| cmdname, |
| (unsigned long)image_get_header_size ()); |
| 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 < image_get_header_size ()) { |
| 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); |
| } |
| |
| /* |
| * image_check_hcrc() creates 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. |
| */ |
| hdr = (image_header_t *)ptr; |
| |
| if (!image_check_magic (hdr)) { |
| fprintf (stderr, |
| "%s: Bad Magic Number: \"%s\" is no valid image\n", |
| cmdname, imagefile); |
| exit (EXIT_FAILURE); |
| } |
| |
| if (!image_check_hcrc (hdr)) { |
| fprintf (stderr, |
| "%s: ERROR: \"%s\" has bad header checksum!\n", |
| cmdname, imagefile); |
| exit (EXIT_FAILURE); |
| } |
| |
| data = (char *)image_get_data (hdr); |
| len = sbuf.st_size - image_get_header_size (); |
| |
| if (crc32(0, data, len) != image_get_dcrc (hdr)) { |
| fprintf (stderr, |
| "%s: ERROR: \"%s\" has corrupted data!\n", |
| cmdname, imagefile); |
| exit (EXIT_FAILURE); |
| } |
| |
| /* for multi-file images we need the data part, too */ |
| image_print_contents_noindent ((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, image_get_header_size ()); |
| |
| if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) { |
| 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 = cpu_to_uimage (sbuf.st_size); |
| } else { |
| size = 0; |
| } |
| |
| if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) { |
| fprintf (stderr, "%s: Write error on %s: %s\n", |
| cmdname, imagefile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| if (!file) { |
| break; |
| } |
| |
| if (sep) { |
| *sep = ':'; |
| file = sep + 1; |
| } else { |
| file = NULL; |
| } |
| } |
| |
| file = datafile; |
| |
| for (;;) { |
| char *sep = strchr(file, ':'); |
| if (sep) { |
| *sep = '\0'; |
| copy_file (ifd, file, 1); |
| *sep++ = ':'; |
| file = sep; |
| } else { |
| copy_file (ifd, file, 0); |
| break; |
| } |
| } |
| } else { |
| copy_file (ifd, datafile, 0); |
| } |
| |
| /* We're a bit of paranoid */ |
| #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) |
| (void) fdatasync (ifd); |
| #else |
| (void) fsync (ifd); |
| #endif |
| |
| if (fstat(ifd, &sbuf) < 0) { |
| fprintf (stderr, "%s: Can't stat %s: %s\n", |
| cmdname, imagefile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| ptr = (unsigned char *)mmap(0, sbuf.st_size, |
| PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0); |
| if (ptr == (unsigned char *)MAP_FAILED) { |
| fprintf (stderr, "%s: Can't map %s: %s\n", |
| cmdname, imagefile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| hdr = (image_header_t *)ptr; |
| |
| checksum = crc32 (0, |
| (const char *)(ptr + image_get_header_size ()), |
| sbuf.st_size - image_get_header_size () |
| ); |
| |
| /* Build new header */ |
| image_set_magic (hdr, IH_MAGIC); |
| image_set_time (hdr, sbuf.st_mtime); |
| image_set_size (hdr, sbuf.st_size - image_get_header_size ()); |
| image_set_load (hdr, addr); |
| image_set_ep (hdr, ep); |
| image_set_dcrc (hdr, checksum); |
| image_set_os (hdr, opt_os); |
| image_set_arch (hdr, opt_arch); |
| image_set_type (hdr, opt_type); |
| image_set_comp (hdr, opt_comp); |
| |
| image_set_name (hdr, name); |
| |
| checksum = crc32 (0, (const char *)hdr, image_get_header_size ()); |
| |
| image_set_hcrc (hdr, checksum); |
| |
| image_print_contents_noindent (hdr); |
| |
| (void) munmap((void *)ptr, sbuf.st_size); |
| |
| /* We're a bit of paranoid */ |
| #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) |
| (void) fdatasync (ifd); |
| #else |
| (void) fsync (ifd); |
| #endif |
| |
| if (close(ifd)) { |
| fprintf (stderr, "%s: Write error on %s: %s\n", |
| cmdname, imagefile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| exit (EXIT_SUCCESS); |
| } |
| |
| static void |
| copy_file (int ifd, const char *datafile, int pad) |
| { |
| int dfd; |
| struct stat sbuf; |
| unsigned char *ptr; |
| int tail; |
| int zero = 0; |
| int offset = 0; |
| int size; |
| |
| if (vflag) { |
| fprintf (stderr, "Adding Image %s\n", datafile); |
| } |
| |
| if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { |
| fprintf (stderr, "%s: Can't open %s: %s\n", |
| cmdname, datafile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| if (fstat(dfd, &sbuf) < 0) { |
| fprintf (stderr, "%s: Can't stat %s: %s\n", |
| cmdname, datafile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| ptr = (unsigned char *)mmap(0, sbuf.st_size, |
| PROT_READ, MAP_SHARED, dfd, 0); |
| if (ptr == (unsigned char *)MAP_FAILED) { |
| fprintf (stderr, "%s: Can't read %s: %s\n", |
| cmdname, datafile, strerror(errno)); |
| exit (EXIT_FAILURE); |
| } |
| |
| if (xflag) { |
| unsigned char *p = NULL; |
| /* |
| * XIP: do not append the image_header_t at the |
| * beginning of the file, but consume the space |
| * reserved for it. |
| */ |
| |
| if ((unsigned)sbuf.st_size < image_get_header_size ()) { |
| fprintf (stderr, |
| "%s: Bad size: \"%s\" is too small for XIP\n", |
| cmdname, datafile); |
| exit (EXIT_FAILURE); |
| } |
| |
| for (p = ptr; p < ptr + image_get_header_size (); p++) { |
| if ( *p != 0xff ) { |
| fprintf (stderr, |
| "%s: Bad file: \"%s\" has invalid buffer for XIP\n", |
| cmdname, datafile); |
| exit (EXIT_FAILURE); |
| } |
| } |
| |
| offset = image_get_header_size (); |
| } |
| |
| 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); |
| } |