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https://github.com/Fishwaldo/u-boot.git
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[new uImage] Add support for new uImage format to mkimage tool
Support for the new uImage format (FIT) is added to mkimage tool. Commandline syntax is appropriately extended: mkimage [-D dtc_options] -f fit-image.its fit-image mkimage (together with dtc) takes fit-image.its and referenced therein binaries (like vmlinux.bin.gz) as inputs, and produces fit-image file -- the final image that can be transferred to the target (e.g., via tftp) and then booted using the bootm command in U-Boot. Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
This commit is contained in:
Bartlomiej Sieka
Marian Balakowicz
parent
eb6175edd6
commit
9d25438fe7
3 changed files with 222 additions and 56 deletions
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@ -40,14 +40,21 @@
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#include <lmb.h>
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#include <linux/string.h>
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#include <asm/u-boot.h>
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#endif /* USE_HOSTCC */
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/* new uImage format support enabled by default */
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/* new uImage format support enabled on target
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* To be moved to board configuration file */
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#define CONFIG_FIT 1
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
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/* enable fit_format_error(), fit_format_warning() */
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#define CONFIG_FIT_VERBOSE 1
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#else
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/* new uImage format support enabled on host */
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#define CONFIG_FIT 1
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
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#endif /* USE_HOSTCC */
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#if defined(CONFIG_FIT) && !defined(CONFIG_OF_LIBFDT)
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#error "CONFIG_OF_LIBFDT not enabled, required by CONFIG_FIT!"
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257
tools/mkimage.c
257
tools/mkimage.c
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@ -1,4 +1,6 @@
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/*
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* (C) Copyright 2008 Semihalf
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*
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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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@ -32,6 +34,8 @@ extern int errno;
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extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len);
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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 image_verify_header (char *, int);
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static void fit_handle_file (void);
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char *datafile;
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char *imagefile;
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@ -39,6 +43,7 @@ char *cmdname;
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int dflag = 0;
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int eflag = 0;
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int fflag = 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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@ -46,6 +51,7 @@ int opt_os = IH_OS_LINUX;
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int opt_arch = IH_ARCH_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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char *opt_dtc = MKIMAGE_DEFAULT_DTC_OPTIONS;
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image_header_t header;
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image_header_t *hdr = &header;
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@ -53,7 +59,7 @@ 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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int ifd = -1;
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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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@ -81,6 +87,12 @@ main (int argc, char **argv)
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(opt_comp = genimg_get_comp_id (*++argv)) < 0)
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usage ();
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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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opt_dtc = *++argv;
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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 = genimg_get_os_id (*++argv)) < 0)
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@ -121,6 +133,12 @@ main (int argc, char **argv)
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}
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eflag = 1;
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goto NXTARG;
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case 'f':
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if (--argc <= 0)
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usage ();
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datafile = *++argv;
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fflag = 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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@ -139,7 +157,10 @@ main (int argc, char **argv)
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NXTARG: ;
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}
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if ((argc != 1) || ((lflag ^ dflag) == 0))
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if ((argc != 1) ||
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(dflag && (fflag || lflag)) ||
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(fflag && (dflag || lflag)) ||
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(lflag && (dflag || fflag)))
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usage();
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if (!eflag) {
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@ -165,21 +186,22 @@ NXTARG: ;
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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 (!fflag){
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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,
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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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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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}
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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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@ -204,43 +226,23 @@ NXTARG: ;
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exit (EXIT_FAILURE);
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}
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/*
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* image_check_hcrc() creates copy of header so that
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* we can blank out the checksum field for checking -
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* this can't be done on the PROT_READ mapped data.
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*/
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hdr = (image_header_t *)ptr;
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if (!image_check_magic (hdr)) {
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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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if (fdt_check_header (ptr)) {
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/* old-style image */
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image_verify_header ((char *)ptr, sbuf.st_size);
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image_print_contents_noindent ((image_header_t *)ptr);
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} else {
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/* FIT image */
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fit_print_contents_noindent (ptr);
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}
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if (!image_check_hcrc (hdr)) {
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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 *)image_get_data (hdr);
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len = sbuf.st_size - image_get_header_size ();
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if (crc32(0, data, len) != image_get_dcrc (hdr)) {
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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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image_print_contents_noindent ((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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} else if (fflag) {
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/* Flattened Image Tree (FIT) format handling */
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debug ("FIT format handling\n");
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fit_handle_file ();
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exit (EXIT_SUCCESS);
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}
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@ -467,11 +469,11 @@ void
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usage ()
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{
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fprintf (stderr, "Usage: %s -l image\n"
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" -l ==> list image header information\n"
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" %s [-x] -A arch -O os -T type -C comp "
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"-a addr -e ep -n name -d data_file[:data_file...] image\n",
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cmdname, cmdname);
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fprintf (stderr, " -A ==> set architecture to 'arch'\n"
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" -l ==> list image header information\n",
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cmdname);
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fprintf (stderr, " %s [-x] -A arch -O os -T type -C comp "
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"-a addr -e ep -n name -d data_file[:data_file...] image\n"
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" -A ==> set architecture to 'arch'\n"
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" -O ==> set operating system to 'os'\n"
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" -T ==> set image type to 'type'\n"
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" -C ==> set compression type 'comp'\n"
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@ -479,7 +481,158 @@ usage ()
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" -e ==> set entry point to 'ep' (hex)\n"
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" -n ==> set image name to 'name'\n"
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" -d ==> use image data from 'datafile'\n"
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" -x ==> set XIP (execute in place)\n"
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);
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" -x ==> set XIP (execute in place)\n",
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cmdname);
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fprintf (stderr, " %s [-D dtc_options] -f fit-image.its fit-image\n",
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cmdname);
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exit (EXIT_FAILURE);
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}
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static void
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image_verify_header (char *ptr, int image_size)
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{
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int len;
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char *data;
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uint32_t checksum;
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image_header_t header;
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image_header_t *hdr = &header;
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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 = ptr + sizeof(image_header_t);
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len = image_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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}
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/**
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* fit_handle_file - main FIT file processing function
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*
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* fit_handle_file() runs dtc to convert .its to .itb, includes
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* binary data, updates timestamp property and calculates hashes.
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*
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* datafile - .its file
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* imagefile - .itb file
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*
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* returns:
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* only on success, otherwise calls exit (EXIT_FAILURE);
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*/
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static void fit_handle_file (void)
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{
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char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
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char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
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int tfd;
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struct stat sbuf;
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unsigned char *ptr;
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/* call dtc to include binary properties into the tmp file */
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if (strlen (imagefile) + strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 >
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sizeof (tmpfile)) {
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fprintf (stderr, "%s: Image file name (%s) too long, "
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"can't create tmpfile",
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imagefile, cmdname);
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exit (EXIT_FAILURE);
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}
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sprintf (tmpfile, "%s%s", imagefile, MKIMAGE_TMPFILE_SUFFIX);
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/* dtc -I dts -O -p 200 datafile > tmpfile */
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sprintf (cmd, "%s %s %s > %s",
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MKIMAGE_DTC, opt_dtc, datafile, tmpfile);
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debug ("Trying to execute \"%s\"\n", cmd);
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if (system (cmd) == -1) {
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fprintf (stderr, "%s: system(%s) failed: %s\n",
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cmdname, cmd, strerror(errno));
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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/* load FIT blob into memory */
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tfd = open (tmpfile, O_RDWR|O_BINARY);
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if (tfd < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, tmpfile, strerror(errno));
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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if (fstat (tfd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, tmpfile, strerror(errno));
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unlink (tmpfile);
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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, tfd, 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, tmpfile, strerror(errno));
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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/* check if ptr has a valid blob */
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if (fdt_check_header (ptr)) {
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fprintf (stderr, "%s: Invalid FIT blob\n", cmdname);
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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/* set hashes for images in the blob */
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if (fit_set_hashes (ptr)) {
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fprintf (stderr, "%s Can't add hashes to FIT blob", cmdname);
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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/* add a timestamp at offset 0 i.e., root */
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if (fit_set_timestamp (ptr, 0, sbuf.st_mtime)) {
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fprintf (stderr, "%s: Can't add image timestamp\n", cmdname);
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unlink (tmpfile);
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exit (EXIT_FAILURE);
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}
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debug ("Added timestamp successfully\n");
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munmap ((void *)ptr, sbuf.st_size);
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close (tfd);
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if (rename (tmpfile, imagefile) == -1) {
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fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
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cmdname, tmpfile, imagefile, strerror (errno));
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unlink (tmpfile);
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unlink (imagefile);
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exit (EXIT_FAILURE);
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}
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}
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@ -43,6 +43,12 @@
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#define debug(fmt,args...)
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#endif /* MKIMAGE_DEBUG */
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#define MKIMAGE_TMPFILE_SUFFIX ".tmp"
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#define MKIMAGE_MAX_TMPFILE_LEN 256
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#define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500"
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#define MKIMAGE_MAX_DTC_CMDLINE_LEN 512
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#define MKIMAGE_DTC "dtc" /* assume dtc is in $PATH */
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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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