--- /dev/null
+/*
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2009
+ * DENX Software Engineering
+ * Wolfgang Denk, wd@denx.de
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "mkimage.h"
+#include <image.h>
+#include <version.h>
+
+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 image_tool_params params = {
+ .os = IH_OS_LINUX,
+ .arch = IH_ARCH_PPC,
+ .type = IH_TYPE_KERNEL,
+ .comp = IH_COMP_GZIP,
+ .dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
+ .imagename = "",
+ .imagename2 = "",
+};
+
+/*
+ * 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,
+ ¶ms);
+
+ 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;
+ struct stat sbuf;
+ char *ptr;
+ int retval = 0;
+ struct image_type_params *tparams = NULL;
+ int pad_len = 0;
+
+ /* Init all image generation/list support */
+ register_image_tool(mkimage_register);
+
+ params.cmdname = *argv;
+ params.addr = params.ep = 0;
+
+ while (--argc > 0 && **++argv == '-') {
+ while (*++*argv) {
+ switch (**argv) {
+ case 'l':
+ params.lflag = 1;
+ break;
+ case 'A':
+ if ((--argc <= 0) ||
+ (params.arch =
+ genimg_get_arch_id (*++argv)) < 0)
+ usage ();
+ goto NXTARG;
+ case 'c':
+ if (--argc <= 0)
+ usage();
+ params.comment = *++argv;
+ goto NXTARG;
+ case 'C':
+ if ((--argc <= 0) ||
+ (params.comp =
+ genimg_get_comp_id (*++argv)) < 0)
+ usage ();
+ goto NXTARG;
+ case 'D':
+ if (--argc <= 0)
+ usage ();
+ params.dtc = *++argv;
+ goto NXTARG;
+
+ case 'O':
+ if ((--argc <= 0) ||
+ (params.os =
+ genimg_get_os_id (*++argv)) < 0)
+ usage ();
+ goto NXTARG;
+ case 'T':
+ if ((--argc <= 0) ||
+ (params.type =
+ genimg_get_type_id (*++argv)) < 0)
+ usage ();
+ goto NXTARG;
+
+ case 'a':
+ if (--argc <= 0)
+ usage ();
+ params.addr = strtoul (*++argv, &ptr, 16);
+ if (*ptr) {
+ fprintf (stderr,
+ "%s: invalid load address %s\n",
+ params.cmdname, *argv);
+ exit (EXIT_FAILURE);
+ }
+ goto NXTARG;
+ case 'd':
+ if (--argc <= 0)
+ usage ();
+ params.datafile = *++argv;
+ params.dflag = 1;
+ goto NXTARG;
+ case 'e':
+ if (--argc <= 0)
+ usage ();
+ params.ep = strtoul (*++argv, &ptr, 16);
+ if (*ptr) {
+ fprintf (stderr,
+ "%s: invalid entry point %s\n",
+ params.cmdname, *argv);
+ exit (EXIT_FAILURE);
+ }
+ params.eflag = 1;
+ goto NXTARG;
+ case 'f':
+ if (--argc <= 0)
+ usage ();
+ params.datafile = *++argv;
+ /* no break */
+ case 'F':
+ /*
+ * The flattened image tree (FIT) format
+ * requires a flattened device tree image type
+ */
+ params.type = IH_TYPE_FLATDT;
+ params.fflag = 1;
+ goto NXTARG;
+ case 'k':
+ if (--argc <= 0)
+ usage();
+ params.keydir = *++argv;
+ goto NXTARG;
+ case 'K':
+ if (--argc <= 0)
+ usage();
+ params.keydest = *++argv;
+ goto NXTARG;
+ case 'n':
+ if (--argc <= 0)
+ usage ();
+ params.imagename = *++argv;
+ goto NXTARG;
+ case 'r':
+ params.require_keys = 1;
+ break;
+ case 'R':
+ if (--argc <= 0)
+ usage();
+ /*
+ * This entry is for the second configuration
+ * file, if only one is not enough.
+ */
+ params.imagename2 = *++argv;
+ goto NXTARG;
+ case 's':
+ params.skipcpy = 1;
+ break;
+ case 'v':
+ params.vflag++;
+ break;
+ case 'V':
+ printf("mkimage version %s\n", PLAIN_VERSION);
+ exit(EXIT_SUCCESS);
+ case 'x':
+ params.xflag++;
+ break;
+ default:
+ usage ();
+ }
+ }
+NXTARG: ;
+ }
+
+ 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);
+ }
+
+ /*
+ * check the passed arguments parameters meets the requirements
+ * as per image type to be generated/listed
+ */
+ if (tparams->check_params)
+ if (tparams->check_params (¶ms))
+ usage ();
+
+ if (!params.eflag) {
+ params.ep = params.addr;
+ /* If XIP, entry point must be after the U-Boot header */
+ if (params.xflag)
+ params.ep += tparams->header_size;
+ }
+
+ params.imagefile = *argv;
+
+ 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(¶ms);
+
+ if (retval != EXIT_SUCCESS)
+ exit (retval);
+ }
+
+ if (params.lflag || params.fflag) {
+ ifd = open (params.imagefile, O_RDONLY|O_BINARY);
+ } else {
+ 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",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if (params.lflag || params.fflag) {
+ /*
+ * list header information of existing image
+ */
+ if (fstat(ifd, &sbuf) < 0) {
+ fprintf (stderr, "%s: Can't stat %s: %s\n",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if ((unsigned)sbuf.st_size < tparams->header_size) {
+ fprintf (stderr,
+ "%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",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ /*
+ * 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);
+ }
+
+ /*
+ * In case there an header with a variable
+ * length will be added, the corresponding
+ * function is called. This is responsible to
+ * allocate memory for the header itself.
+ */
+ if (tparams->vrec_header)
+ pad_len = tparams->vrec_header(¶ms, tparams);
+ else
+ memset(tparams->hdr, 0, tparams->header_size);
+
+ if (write(ifd, tparams->hdr, tparams->header_size)
+ != tparams->header_size) {
+ fprintf (stderr, "%s: Write error on %s: %s\n",
+ params.cmdname, params.imagefile, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if (!params.skipcpy) {
+ if (params.type == IH_TYPE_MULTI ||
+ params.type == IH_TYPE_SCRIPT) {
+ char *file = params.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",
+ params.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",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if (!file) {
+ break;
+ }
+
+ if (sep) {
+ *sep = ':';
+ file = sep + 1;
+ } else {
+ file = NULL;
+ }
+ }
+
+ file = params.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 if (params.type == IH_TYPE_PBLIMAGE) {
+ /* PBL has special Image format, implements its' own */
+ pbl_load_uboot(ifd, ¶ms);
+ } else {
+ copy_file(ifd, params.datafile, pad_len);
+ }
+ }
+
+ /* 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",
+ 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",
+ params.cmdname, params.imagefile, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ /* Setup the image header as per input image type*/
+ if (tparams->set_header)
+ tparams->set_header (ptr, &sbuf, ifd, ¶ms);
+ else {
+ fprintf (stderr, "%s: Can't set header for %s: %s\n",
+ params.cmdname, tparams->name, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ /* 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__)
+ (void) fdatasync (ifd);
+#else
+ (void) fsync (ifd);
+#endif
+
+ if (close(ifd)) {
+ fprintf (stderr, "%s: Write error on %s: %s\n",
+ params.cmdname, params.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;
+ uint8_t zeros[4096];
+ int offset = 0;
+ int size;
+ struct image_type_params *tparams = mkimage_get_type (params.type);
+
+ if (pad >= sizeof(zeros)) {
+ fprintf(stderr, "%s: Can't pad to %d\n",
+ params.cmdname, pad);
+ exit(EXIT_FAILURE);
+ }
+
+ memset(zeros, 0, sizeof(zeros));
+
+ 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",
+ params.cmdname, datafile, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if (fstat(dfd, &sbuf) < 0) {
+ fprintf (stderr, "%s: Can't stat %s: %s\n",
+ 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",
+ params.cmdname, datafile, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ if (params.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 < tparams->header_size) {
+ fprintf (stderr,
+ "%s: Bad size: \"%s\" is too small for XIP\n",
+ params.cmdname, datafile);
+ exit (EXIT_FAILURE);
+ }
+
+ for (p = ptr; p < ptr + tparams->header_size; p++) {
+ if ( *p != 0xff ) {
+ fprintf (stderr,
+ "%s: Bad file: \"%s\" has invalid buffer for XIP\n",
+ params.cmdname, datafile);
+ exit (EXIT_FAILURE);
+ }
+ }
+
+ 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",
+ params.cmdname, params.imagefile, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+
+ tail = size % 4;
+ if ((pad == 1) && (tail != 0)) {
+
+ if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
+ fprintf (stderr, "%s: Write error on %s: %s\n",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+ } else if (pad > 1) {
+ if (write(ifd, (char *)&zeros, pad) != pad) {
+ fprintf(stderr, "%s: Write error on %s: %s\n",
+ params.cmdname, params.imagefile,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ (void) munmap((void *)ptr, sbuf.st_size);
+ (void) close (dfd);
+}
+
+static void usage(void)
+{
+ fprintf (stderr, "Usage: %s -l image\n"
+ " -l ==> list image header information\n",
+ 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"
+ " -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",
+ params.cmdname);
+ fprintf(stderr, " %s [-D dtc_options] [-f fit-image.its|-F] fit-image\n",
+ params.cmdname);
+ fprintf(stderr, " -D => set options for device tree compiler\n"
+ " -f => input filename for FIT source\n");
+#ifdef CONFIG_FIT_SIGNATURE
+ fprintf(stderr, "Signing / verified boot options: [-k keydir] [-K dtb] [ -c <comment>] [-r]\n"
+ " -k => set directory containing private keys\n"
+ " -K => write public keys to this .dtb file\n"
+ " -c => add comment in signature node\n"
+ " -F => re-sign existing FIT image\n"
+ " -r => mark keys used as 'required' in dtb\n");
+#else
+ fprintf(stderr, "Signing / verified boot not supported (CONFIG_FIT_SIGNATURE undefined)\n");
+#endif
+ fprintf (stderr, " %s -V ==> print version information and exit\n",
+ params.cmdname);
+
+ exit (EXIT_FAILURE);
+}
Code Review / kvmfornfv.git / blobdiff