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-rw-r--r--tools/mkimage.c551
1 files changed, 260 insertions, 291 deletions
diff --git a/tools/mkimage.c b/tools/mkimage.c
index b0c02eb..c43b207 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -1,7 +1,7 @@
/*
* (C) Copyright 2008 Semihalf
*
- * (C) Copyright 2000-2004
+ * (C) Copyright 2000-2009
* DENX Software Engineering
* Wolfgang Denk, wd@denx.de
*
@@ -23,126 +23,223 @@
#include "mkimage.h"
#include <image.h>
-#include <u-boot/crc.h>
-
-static void copy_file (int, const char *, int);
-static void usage (void);
-static int image_verify_header (char *, int);
-static void fit_handle_file (void);
-
-char *datafile;
-char *imagefile;
-char *cmdname;
-
-int dflag = 0;
-int eflag = 0;
-int fflag = 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;
-char *opt_dtc = MKIMAGE_DEFAULT_DTC_OPTIONS;
-
-image_header_t header;
-image_header_t *hdr = &header;
+
+static void copy_file(int, const char *, int);
+static void usage(void);
+
+/* image_type_params link list to maintain registered image type supports */
+struct image_type_params *mkimage_tparams = NULL;
+
+/* parameters initialized by core will be used by the image type code */
+struct mkimage_params params = {
+ .os = IH_OS_LINUX,
+ .arch = IH_ARCH_PPC,
+ .type = IH_TYPE_KERNEL,
+ .comp = IH_COMP_GZIP,
+ .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
+};
+
+/*
+ * mkimage_register -
+ *
+ * It is used to register respective image generation/list support to the
+ * mkimage core
+ *
+ * the input struct image_type_params is checked and appended to the link
+ * list, if the input structure is already registered, error
+ */
+void mkimage_register (struct image_type_params *tparams)
+{
+ struct image_type_params **tp;
+
+ if (!tparams) {
+ fprintf (stderr, "%s: %s: Null input\n",
+ params.cmdname, __FUNCTION__);
+ exit (EXIT_FAILURE);
+ }
+
+ /* scan the linked list, check for registry and point the last one */
+ for (tp = &mkimage_tparams; *tp != NULL; tp = &(*tp)->next) {
+ if (!strcmp((*tp)->name, tparams->name)) {
+ fprintf (stderr, "%s: %s already registered\n",
+ params.cmdname, tparams->name);
+ return;
+ }
+ }
+
+ /* add input struct entry at the end of link list */
+ *tp = tparams;
+ /* mark input entry as last entry in the link list */
+ tparams->next = NULL;
+
+ debug ("Registered %s\n", tparams->name);
+}
+
+/*
+ * mkimage_get_type -
+ *
+ * It scans all registers image type supports
+ * checks the input type_id for each supported image type
+ *
+ * if successful,
+ * returns respective image_type_params pointer if success
+ * if input type_id is not supported by any of image_type_support
+ * returns NULL
+ */
+struct image_type_params *mkimage_get_type(int type)
+{
+ struct image_type_params *curr;
+
+ for (curr = mkimage_tparams; curr != NULL; curr = curr->next) {
+ if (curr->check_image_type) {
+ if (!curr->check_image_type (type))
+ return curr;
+ }
+ }
+ return NULL;
+}
+
+/*
+ * mkimage_verify_print_header -
+ *
+ * It scans mkimage_tparams link list,
+ * verifies image_header for each supported image type
+ * if verification is successful, prints respective header
+ *
+ * returns negative if input image format does not match with any of
+ * supported image types
+ */
+int mkimage_verify_print_header (void *ptr, struct stat *sbuf)
+{
+ int retval = -1;
+ struct image_type_params *curr;
+
+ for (curr = mkimage_tparams; curr != NULL; curr = curr->next ) {
+ if (curr->verify_header) {
+ retval = curr->verify_header (
+ (unsigned char *)ptr, sbuf->st_size,
+ &params);
+
+ if (retval == 0) {
+ /*
+ * Print the image information
+ * if verify is successful
+ */
+ if (curr->print_header)
+ curr->print_header (ptr);
+ else {
+ fprintf (stderr,
+ "%s: print_header undefined for %s\n",
+ params.cmdname, curr->name);
+ }
+ break;
+ }
+ }
+ }
+ return retval;
+}
int
main (int argc, char **argv)
{
int ifd = -1;
- uint32_t checksum;
- uint32_t addr;
- uint32_t ep;
struct stat sbuf;
unsigned char *ptr;
- char *name = "";
int retval = 0;
+ struct image_type_params *tparams = NULL;
- cmdname = *argv;
+ /* Init FIT image generation/list support */
+ init_fit_image_type ();
+ /* Init Default image generation/list support */
+ init_default_image_type ();
- addr = ep = 0;
+ params.cmdname = *argv;
+ params.addr = params.ep = 0;
while (--argc > 0 && **++argv == '-') {
while (*++*argv) {
switch (**argv) {
case 'l':
- lflag = 1;
+ params.lflag = 1;
break;
case 'A':
if ((--argc <= 0) ||
- (opt_arch = genimg_get_arch_id (*++argv)) < 0)
+ (params.arch =
+ genimg_get_arch_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'C':
if ((--argc <= 0) ||
- (opt_comp = genimg_get_comp_id (*++argv)) < 0)
+ (params.comp =
+ genimg_get_comp_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'D':
if (--argc <= 0)
usage ();
- opt_dtc = *++argv;
+ params.dtc = *++argv;
goto NXTARG;
case 'O':
if ((--argc <= 0) ||
- (opt_os = genimg_get_os_id (*++argv)) < 0)
+ (params.os =
+ genimg_get_os_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'T':
if ((--argc <= 0) ||
- (opt_type = genimg_get_type_id (*++argv)) < 0)
+ (params.type =
+ genimg_get_type_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'a':
if (--argc <= 0)
usage ();
- addr = strtoul (*++argv, (char **)&ptr, 16);
+ params.addr = strtoul (*++argv,
+ (char **)&ptr, 16);
if (*ptr) {
fprintf (stderr,
"%s: invalid load address %s\n",
- cmdname, *argv);
+ params.cmdname, *argv);
exit (EXIT_FAILURE);
}
goto NXTARG;
case 'd':
if (--argc <= 0)
usage ();
- datafile = *++argv;
- dflag = 1;
+ params.datafile = *++argv;
+ params.dflag = 1;
goto NXTARG;
case 'e':
if (--argc <= 0)
usage ();
- ep = strtoul (*++argv, (char **)&ptr, 16);
+ params.ep = strtoul (*++argv,
+ (char **)&ptr, 16);
if (*ptr) {
fprintf (stderr,
"%s: invalid entry point %s\n",
- cmdname, *argv);
+ params.cmdname, *argv);
exit (EXIT_FAILURE);
}
- eflag = 1;
+ params.eflag = 1;
goto NXTARG;
case 'f':
if (--argc <= 0)
usage ();
- datafile = *++argv;
- fflag = 1;
+ params.datafile = *++argv;
+ params.fflag = 1;
goto NXTARG;
case 'n':
if (--argc <= 0)
usage ();
- name = *++argv;
+ params.imagename = *++argv;
goto NXTARG;
case 'v':
- vflag++;
+ params.vflag++;
break;
case 'x':
- xflag++;
+ params.xflag++;
break;
default:
usage ();
@@ -151,91 +248,112 @@ main (int argc, char **argv)
NXTARG: ;
}
- if ((argc != 1) ||
- (dflag && (fflag || lflag)) ||
- (fflag && (dflag || lflag)) ||
- (lflag && (dflag || fflag)))
- usage();
+ if (argc != 1)
+ usage ();
+
+ /* set tparams as per input type_id */
+ tparams = mkimage_get_type(params.type);
+ if (tparams == NULL) {
+ fprintf (stderr, "%s: unsupported type %s\n",
+ params.cmdname, genimg_get_type_name(params.type));
+ exit (EXIT_FAILURE);
+ }
- if (!eflag) {
- ep = addr;
+ /*
+ * check the passed arguments parameters meets the requirements
+ * as per image type to be generated/listed
+ */
+ if (tparams->check_params)
+ if (tparams->check_params (&params))
+ usage ();
+
+ if (!params.eflag) {
+ params.ep = params.addr;
/* If XIP, entry point must be after the U-Boot header */
- if (xflag)
- ep += image_get_header_size ();
+ if (params.xflag)
+ params.ep += tparams->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 ()) {
+ if (params.xflag) {
+ if (params.ep != params.addr + tparams->header_size) {
fprintf (stderr,
"%s: For XIP, the entry point must be the load addr + %lu\n",
- cmdname,
- (unsigned long)image_get_header_size ());
+ params.cmdname,
+ (unsigned long)tparams->header_size);
exit (EXIT_FAILURE);
}
}
- imagefile = *argv;
+ params.imagefile = *argv;
- if (!fflag){
- if (lflag) {
- ifd = open (imagefile, O_RDONLY|O_BINARY);
+ if (!params.fflag){
+ if (params.lflag) {
+ ifd = open (params.imagefile, O_RDONLY|O_BINARY);
} else {
- ifd = open (imagefile,
+ ifd = open (params.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));
+ params.cmdname, params.imagefile,
+ strerror(errno));
exit (EXIT_FAILURE);
}
}
- if (lflag) {
+ if (params.lflag) {
/*
* list header information of existing image
*/
if (fstat(ifd, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile,
+ strerror(errno));
exit (EXIT_FAILURE);
}
- if ((unsigned)sbuf.st_size < image_get_header_size ()) {
+ if ((unsigned)sbuf.st_size < tparams->header_size) {
fprintf (stderr,
- "%s: Bad size: \"%s\" is no valid image\n",
- cmdname, imagefile);
+ "%s: Bad size: \"%s\" is not valid image\n",
+ params.cmdname, params.imagefile);
exit (EXIT_FAILURE);
}
ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
if (ptr == MAP_FAILED) {
fprintf (stderr, "%s: Can't read %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile,
+ strerror(errno));
exit (EXIT_FAILURE);
}
- if (!(retval = fdt_check_header (ptr))) {
- /* FIT image */
- fit_print_contents (ptr);
- } else if (!(retval = image_verify_header ((char *)ptr,
- sbuf.st_size))) {
- /* old-style image */
- image_print_contents ((image_header_t *)ptr);
- }
+ /*
+ * scan through mkimage registry for all supported image types
+ * and verify the input image file header for match
+ * Print the image information for matched image type
+ * Returns the error code if not matched
+ */
+ retval = mkimage_verify_print_header (ptr, &sbuf);
(void) munmap((void *)ptr, sbuf.st_size);
(void) close (ifd);
exit (retval);
- } else if (fflag) {
- /* Flattened Image Tree (FIT) format handling */
- debug ("FIT format handling\n");
- fit_handle_file ();
+ } else if (params.fflag) {
+ if (tparams->fflag_handle)
+ /*
+ * in some cases, some additional processing needs
+ * to be done if fflag is defined
+ *
+ * For ex. fit_handle_file for Fit file support
+ */
+ retval = tparams->fflag_handle(&params);
+
exit (retval);
}
@@ -244,16 +362,17 @@ NXTARG: ;
*
* write dummy header, to be fixed later
*/
- memset (hdr, 0, image_get_header_size ());
+ memset (tparams->hdr, 0, tparams->header_size);
- if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) {
+ if (write(ifd, tparams->hdr, tparams->header_size)
+ != tparams->header_size) {
fprintf (stderr, "%s: Write error on %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
- if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) {
- char *file = datafile;
+ if (params.type == IH_TYPE_MULTI || params.type == IH_TYPE_SCRIPT) {
+ char *file = params.datafile;
uint32_t size;
for (;;) {
@@ -266,7 +385,7 @@ NXTARG: ;
if (stat (file, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
- cmdname, file, strerror(errno));
+ params.cmdname, file, strerror(errno));
exit (EXIT_FAILURE);
}
size = cpu_to_uimage (sbuf.st_size);
@@ -276,7 +395,8 @@ NXTARG: ;
if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
fprintf (stderr, "%s: Write error on %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile,
+ strerror(errno));
exit (EXIT_FAILURE);
}
@@ -292,7 +412,7 @@ NXTARG: ;
}
}
- file = datafile;
+ file = params.datafile;
for (;;) {
char *sep = strchr(file, ':');
@@ -307,11 +427,14 @@ NXTARG: ;
}
}
} else {
- copy_file (ifd, datafile, 0);
+ copy_file (ifd, params.datafile, 0);
}
/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && \
+ !defined(__sun__) && \
+ !defined(__FreeBSD__) && \
+ !defined(__APPLE__)
(void) fdatasync (ifd);
#else
(void) fsync (ifd);
@@ -319,50 +442,42 @@ NXTARG: ;
if (fstat(ifd, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
ptr = mmap(0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
if (ptr == MAP_FAILED) {
fprintf (stderr, "%s: Can't map %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
- hdr = (image_header_t *)ptr;
-
- checksum = crc32 (0,
- (const unsigned 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 unsigned char *)hdr,
- image_get_header_size ());
-
- image_set_hcrc (hdr, checksum);
+ /* Setup the image header as per input image type*/
+ if (tparams->set_header)
+ tparams->set_header (ptr, &sbuf, ifd, &params);
+ else {
+ fprintf (stderr, "%s: Can't set header for %s: %s\n",
+ params.cmdname, tparams->name, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
- image_print_contents (hdr);
+ /* Print the image information by processing image header */
+ if (tparams->print_header)
+ tparams->print_header (ptr);
+ else {
+ fprintf (stderr, "%s: Can't print header for %s: %s\n",
+ params.cmdname, tparams->name, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
(void) munmap((void *)ptr, sbuf.st_size);
/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && \
+ !defined(__sun__) && \
+ !defined(__FreeBSD__) && \
+ !defined(__APPLE__)
(void) fdatasync (ifd);
#else
(void) fsync (ifd);
@@ -370,7 +485,7 @@ NXTARG: ;
if (close(ifd)) {
fprintf (stderr, "%s: Write error on %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
@@ -387,31 +502,32 @@ copy_file (int ifd, const char *datafile, int pad)
int zero = 0;
int offset = 0;
int size;
+ struct image_type_params *tparams = mkimage_get_type (params.type);
- if (vflag) {
+ if (params.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));
+ params.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));
+ params.cmdname, datafile, strerror(errno));
exit (EXIT_FAILURE);
}
ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
if (ptr == MAP_FAILED) {
fprintf (stderr, "%s: Can't read %s: %s\n",
- cmdname, datafile, strerror(errno));
+ params.cmdname, datafile, strerror(errno));
exit (EXIT_FAILURE);
}
- if (xflag) {
+ if (params.xflag) {
unsigned char *p = NULL;
/*
* XIP: do not append the image_header_t at the
@@ -419,29 +535,29 @@ copy_file (int ifd, const char *datafile, int pad)
* reserved for it.
*/
- if ((unsigned)sbuf.st_size < image_get_header_size ()) {
+ if ((unsigned)sbuf.st_size < tparams->header_size) {
fprintf (stderr,
"%s: Bad size: \"%s\" is too small for XIP\n",
- cmdname, datafile);
+ params.cmdname, datafile);
exit (EXIT_FAILURE);
}
- for (p = ptr; p < ptr + image_get_header_size (); p++) {
+ for (p = ptr; p < ptr + tparams->header_size; p++) {
if ( *p != 0xff ) {
fprintf (stderr,
"%s: Bad file: \"%s\" has invalid buffer for XIP\n",
- cmdname, datafile);
+ params.cmdname, datafile);
exit (EXIT_FAILURE);
}
}
- offset = image_get_header_size ();
+ offset = tparams->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));
+ params.cmdname, params.imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
@@ -449,7 +565,8 @@ copy_file (int ifd, const char *datafile, int pad)
if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
fprintf (stderr, "%s: Write error on %s: %s\n",
- cmdname, imagefile, strerror(errno));
+ params.cmdname, params.imagefile,
+ strerror(errno));
exit (EXIT_FAILURE);
}
}
@@ -463,7 +580,7 @@ usage ()
{
fprintf (stderr, "Usage: %s -l image\n"
" -l ==> list image header information\n",
- cmdname);
+ params.cmdname);
fprintf (stderr, " %s [-x] -A arch -O os -T type -C comp "
"-a addr -e ep -n name -d data_file[:data_file...] image\n"
" -A ==> set architecture to 'arch'\n"
@@ -475,157 +592,9 @@ usage ()
" -n ==> set image name to 'name'\n"
" -d ==> use image data from 'datafile'\n"
" -x ==> set XIP (execute in place)\n",
- cmdname);
+ params.cmdname);
fprintf (stderr, " %s [-D dtc_options] -f fit-image.its fit-image\n",
- cmdname);
+ params.cmdname);
exit (EXIT_FAILURE);
}
-
-static int
-image_verify_header (char *ptr, int image_size)
-{
- int len;
- const unsigned char *data;
- uint32_t checksum;
- image_header_t header;
- image_header_t *hdr = &header;
-
- /*
- * 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 (be32_to_cpu(hdr->ih_magic) != IH_MAGIC) {
- fprintf (stderr,
- "%s: Bad Magic Number: \"%s\" is no valid image\n",
- cmdname, imagefile);
- return -FDT_ERR_BADMAGIC;
- }
-
- data = (const unsigned char *)hdr;
- len = sizeof(image_header_t);
-
- checksum = be32_to_cpu(hdr->ih_hcrc);
- hdr->ih_hcrc = cpu_to_be32(0); /* clear for re-calculation */
-
- if (crc32 (0, data, len) != checksum) {
- fprintf (stderr,
- "%s: ERROR: \"%s\" has bad header checksum!\n",
- cmdname, imagefile);
- return -FDT_ERR_BADSTATE;
- }
-
- data = (const unsigned char *)ptr + sizeof(image_header_t);
- len = image_size - sizeof(image_header_t) ;
-
- if (crc32 (0, data, len) != be32_to_cpu(hdr->ih_dcrc)) {
- fprintf (stderr,
- "%s: ERROR: \"%s\" has corrupted data!\n",
- cmdname, imagefile);
- return -FDT_ERR_BADSTRUCTURE;
- }
- return 0;
-}
-
-/**
- * fit_handle_file - main FIT file processing function
- *
- * fit_handle_file() runs dtc to convert .its to .itb, includes
- * binary data, updates timestamp property and calculates hashes.
- *
- * datafile - .its file
- * imagefile - .itb file
- *
- * returns:
- * only on success, otherwise calls exit (EXIT_FAILURE);
- */
-static void fit_handle_file (void)
-{
- char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
- char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
- int tfd;
- struct stat sbuf;
- unsigned char *ptr;
-
- /* call dtc to include binary properties into the tmp file */
- if (strlen (imagefile) + strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 >
- sizeof (tmpfile)) {
- fprintf (stderr, "%s: Image file name (%s) too long, "
- "can't create tmpfile",
- imagefile, cmdname);
- exit (EXIT_FAILURE);
- }
- sprintf (tmpfile, "%s%s", imagefile, MKIMAGE_TMPFILE_SUFFIX);
-
- /* dtc -I dts -O -p 200 datafile > tmpfile */
- sprintf (cmd, "%s %s %s > %s",
- MKIMAGE_DTC, opt_dtc, datafile, tmpfile);
- debug ("Trying to execute \"%s\"\n", cmd);
- if (system (cmd) == -1) {
- fprintf (stderr, "%s: system(%s) failed: %s\n",
- cmdname, cmd, strerror(errno));
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- /* load FIT blob into memory */
- tfd = open (tmpfile, O_RDWR|O_BINARY);
-
- if (tfd < 0) {
- fprintf (stderr, "%s: Can't open %s: %s\n",
- cmdname, tmpfile, strerror(errno));
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- if (fstat (tfd, &sbuf) < 0) {
- fprintf (stderr, "%s: Can't stat %s: %s\n",
- cmdname, tmpfile, strerror(errno));
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- ptr = mmap (0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, tfd, 0);
- if (ptr == MAP_FAILED) {
- fprintf (stderr, "%s: Can't read %s: %s\n",
- cmdname, tmpfile, strerror(errno));
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- /* check if ptr has a valid blob */
- if (fdt_check_header (ptr)) {
- fprintf (stderr, "%s: Invalid FIT blob\n", cmdname);
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- /* set hashes for images in the blob */
- if (fit_set_hashes (ptr)) {
- fprintf (stderr, "%s Can't add hashes to FIT blob", cmdname);
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
-
- /* add a timestamp at offset 0 i.e., root */
- if (fit_set_timestamp (ptr, 0, sbuf.st_mtime)) {
- fprintf (stderr, "%s: Can't add image timestamp\n", cmdname);
- unlink (tmpfile);
- exit (EXIT_FAILURE);
- }
- debug ("Added timestamp successfully\n");
-
- munmap ((void *)ptr, sbuf.st_size);
- close (tfd);
-
- if (rename (tmpfile, imagefile) == -1) {
- fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
- cmdname, tmpfile, imagefile, strerror (errno));
- unlink (tmpfile);
- unlink (imagefile);
- exit (EXIT_FAILURE);
- }
-}