mirror of
https://github.com/AsahiLinux/u-boot
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92a655c326
Some functions called by mkimage would like to know the output file size. Initially this is the same as the input file size, but it may be affected by adding headers, etc. Add this information to the image parameters. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
614 lines
15 KiB
C
614 lines
15 KiB
C
/*
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* (C) Copyright 2008 Semihalf
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*
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* (C) Copyright 2000-2009
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* DENX Software Engineering
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* Wolfgang Denk, wd@denx.de
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "mkimage.h"
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#include <image.h>
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#include <version.h>
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static void copy_file(int, const char *, int);
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static void usage(void);
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/* parameters initialized by core will be used by the image type code */
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struct image_tool_params params = {
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.os = IH_OS_LINUX,
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.arch = IH_ARCH_PPC,
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.type = IH_TYPE_KERNEL,
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.comp = IH_COMP_GZIP,
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.dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
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.imagename = "",
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.imagename2 = "",
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};
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static int h_compare_image_name(const void *vtype1, const void *vtype2)
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{
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const int *type1 = vtype1;
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const int *type2 = vtype2;
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const char *name1 = genimg_get_type_short_name(*type1);
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const char *name2 = genimg_get_type_short_name(*type2);
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return strcmp(name1, name2);
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}
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/* Show all image types supported by mkimage */
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static void show_image_types(void)
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{
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struct image_type_params *tparams;
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int order[IH_TYPE_COUNT];
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int count;
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int type;
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int i;
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/* Sort the names in order of short name for easier reading */
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memset(order, '\0', sizeof(order));
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for (count = 0, type = 0; type < IH_TYPE_COUNT; type++) {
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tparams = imagetool_get_type(type);
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if (tparams)
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order[count++] = type;
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}
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qsort(order, count, sizeof(int), h_compare_image_name);
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fprintf(stderr, "\nInvalid image type. Supported image types:\n");
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for (i = 0; i < count; i++) {
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type = order[i];
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tparams = imagetool_get_type(type);
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if (tparams) {
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fprintf(stderr, "\t%-15s %s\n",
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genimg_get_type_short_name(type),
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genimg_get_type_name(type));
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}
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}
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fprintf(stderr, "\n");
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}
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int main(int argc, char **argv)
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{
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int ifd = -1;
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struct stat sbuf;
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char *ptr;
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int retval = 0;
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struct image_type_params *tparams = NULL;
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int pad_len = 0;
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int dfd;
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params.cmdname = *argv;
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params.addr = params.ep = 0;
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while (--argc > 0 && **++argv == '-') {
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while (*++*argv) {
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switch (**argv) {
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case 'l':
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params.lflag = 1;
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break;
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case 'A':
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if ((--argc <= 0) ||
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(params.arch =
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genimg_get_arch_id (*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'c':
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if (--argc <= 0)
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usage();
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params.comment = *++argv;
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goto NXTARG;
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case 'C':
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if ((--argc <= 0) ||
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(params.comp =
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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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params.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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(params.os =
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genimg_get_os_id (*++argv)) < 0)
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usage ();
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goto NXTARG;
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case 'T':
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params.type = -1;
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if (--argc >= 0 && argv[1]) {
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params.type =
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genimg_get_type_id(*++argv);
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}
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if (params.type < 0) {
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show_image_types();
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usage();
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}
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goto NXTARG;
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case 'a':
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if (--argc <= 0)
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usage ();
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params.addr = strtoul (*++argv, &ptr, 16);
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if (*ptr) {
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fprintf (stderr,
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"%s: invalid load address %s\n",
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params.cmdname, *argv);
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exit (EXIT_FAILURE);
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}
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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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params.datafile = *++argv;
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params.dflag = 1;
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goto NXTARG;
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case 'e':
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if (--argc <= 0)
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usage ();
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params.ep = strtoul (*++argv, &ptr, 16);
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if (*ptr) {
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fprintf (stderr,
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"%s: invalid entry point %s\n",
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params.cmdname, *argv);
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exit (EXIT_FAILURE);
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}
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params.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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params.datafile = *++argv;
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/* no break */
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case 'F':
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/*
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* The flattened image tree (FIT) format
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* requires a flattened device tree image type
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*/
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params.type = IH_TYPE_FLATDT;
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params.fflag = 1;
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goto NXTARG;
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case 'k':
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if (--argc <= 0)
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usage();
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params.keydir = *++argv;
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goto NXTARG;
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case 'K':
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if (--argc <= 0)
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usage();
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params.keydest = *++argv;
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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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params.imagename = *++argv;
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goto NXTARG;
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case 'r':
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params.require_keys = 1;
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break;
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case 'R':
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if (--argc <= 0)
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usage();
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/*
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* This entry is for the second configuration
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* file, if only one is not enough.
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*/
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params.imagename2 = *++argv;
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goto NXTARG;
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case 's':
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params.skipcpy = 1;
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break;
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case 'v':
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params.vflag++;
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break;
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case 'V':
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printf("mkimage version %s\n", PLAIN_VERSION);
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exit(EXIT_SUCCESS);
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case 'x':
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params.xflag++;
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break;
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default:
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usage ();
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}
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}
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NXTARG: ;
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}
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if (argc != 1)
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usage ();
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/* set tparams as per input type_id */
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tparams = imagetool_get_type(params.type);
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if (tparams == NULL) {
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fprintf (stderr, "%s: unsupported type %s\n",
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params.cmdname, genimg_get_type_name(params.type));
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exit (EXIT_FAILURE);
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}
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/*
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* check the passed arguments parameters meets the requirements
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* as per image type to be generated/listed
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*/
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if (tparams->check_params)
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if (tparams->check_params (¶ms))
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usage ();
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if (!params.eflag) {
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params.ep = params.addr;
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/* If XIP, entry point must be after the U-Boot header */
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if (params.xflag)
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params.ep += tparams->header_size;
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}
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params.imagefile = *argv;
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if (params.fflag){
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if (tparams->fflag_handle)
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/*
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* in some cases, some additional processing needs
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* to be done if fflag is defined
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*
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* For ex. fit_handle_file for Fit file support
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*/
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retval = tparams->fflag_handle(¶ms);
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if (retval != EXIT_SUCCESS)
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exit (retval);
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}
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if (params.lflag || params.fflag) {
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ifd = open (params.imagefile, O_RDONLY|O_BINARY);
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} else {
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ifd = open (params.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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params.cmdname, params.imagefile,
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strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (params.lflag || params.fflag) {
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/*
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* list header information of existing image
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*/
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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params.cmdname, params.imagefile,
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strerror(errno));
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exit (EXIT_FAILURE);
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}
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if ((unsigned)sbuf.st_size < tparams->header_size) {
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fprintf (stderr,
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"%s: Bad size: \"%s\" is not valid image\n",
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params.cmdname, params.imagefile);
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exit (EXIT_FAILURE);
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}
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ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
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if (ptr == MAP_FAILED) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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params.cmdname, params.imagefile,
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strerror(errno));
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exit (EXIT_FAILURE);
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}
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/*
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* scan through mkimage registry for all supported image types
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* and verify the input image file header for match
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* Print the image information for matched image type
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* Returns the error code if not matched
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*/
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retval = imagetool_verify_print_header(ptr, &sbuf,
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tparams, ¶ms);
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(void) munmap((void *)ptr, sbuf.st_size);
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(void) close (ifd);
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exit (retval);
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}
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dfd = open(params.datafile, O_RDONLY | O_BINARY);
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if (dfd < 0) {
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fprintf(stderr, "%s: Can't open %s: %s\n",
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params.cmdname, params.datafile, strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (fstat(dfd, &sbuf) < 0) {
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fprintf(stderr, "%s: Can't stat %s: %s\n",
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params.cmdname, params.datafile, strerror(errno));
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exit(EXIT_FAILURE);
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}
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params.file_size = sbuf.st_size + tparams->header_size;
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close(dfd);
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/*
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* In case there an header with a variable
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* length will be added, the corresponding
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* function is called. This is responsible to
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* allocate memory for the header itself.
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*/
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if (tparams->vrec_header)
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pad_len = tparams->vrec_header(¶ms, tparams);
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else
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memset(tparams->hdr, 0, tparams->header_size);
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if (write(ifd, tparams->hdr, tparams->header_size)
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!= tparams->header_size) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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params.cmdname, params.imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (!params.skipcpy) {
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if (params.type == IH_TYPE_MULTI ||
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params.type == IH_TYPE_SCRIPT) {
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char *file = params.datafile;
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uint32_t size;
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for (;;) {
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char *sep = NULL;
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if (file) {
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if ((sep = strchr(file, ':')) != NULL) {
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*sep = '\0';
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}
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if (stat (file, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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params.cmdname, file, strerror(errno));
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exit (EXIT_FAILURE);
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}
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size = cpu_to_uimage (sbuf.st_size);
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} else {
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size = 0;
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}
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if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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params.cmdname, params.imagefile,
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strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (!file) {
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break;
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}
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if (sep) {
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*sep = ':';
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file = sep + 1;
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} else {
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file = NULL;
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}
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}
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file = params.datafile;
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for (;;) {
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char *sep = strchr(file, ':');
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if (sep) {
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*sep = '\0';
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copy_file (ifd, file, 1);
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*sep++ = ':';
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file = sep;
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} else {
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copy_file (ifd, file, 0);
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break;
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}
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}
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} else if (params.type == IH_TYPE_PBLIMAGE) {
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/* PBL has special Image format, implements its' own */
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pbl_load_uboot(ifd, ¶ms);
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} else {
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copy_file(ifd, params.datafile, pad_len);
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}
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}
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && \
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!defined(__sun__) && \
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!defined(__FreeBSD__) && \
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!defined(__OpenBSD__) && \
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!defined(__APPLE__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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if (fstat(ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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params.cmdname, params.imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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params.file_size = sbuf.st_size;
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ptr = mmap(0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
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if (ptr == MAP_FAILED) {
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fprintf (stderr, "%s: Can't map %s: %s\n",
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params.cmdname, params.imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/* Setup the image header as per input image type*/
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if (tparams->set_header)
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tparams->set_header (ptr, &sbuf, ifd, ¶ms);
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else {
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fprintf (stderr, "%s: Can't set header for %s: %s\n",
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params.cmdname, tparams->name, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/* Print the image information by processing image header */
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if (tparams->print_header)
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tparams->print_header (ptr);
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else {
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fprintf (stderr, "%s: Can't print header for %s: %s\n",
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params.cmdname, tparams->name, strerror(errno));
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exit (EXIT_FAILURE);
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}
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(void) munmap((void *)ptr, sbuf.st_size);
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/* We're a bit of paranoid */
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#if defined(_POSIX_SYNCHRONIZED_IO) && \
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!defined(__sun__) && \
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!defined(__FreeBSD__) && \
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!defined(__OpenBSD__) && \
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!defined(__APPLE__)
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(void) fdatasync (ifd);
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#else
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(void) fsync (ifd);
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#endif
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if (close(ifd)) {
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fprintf (stderr, "%s: Write error on %s: %s\n",
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params.cmdname, params.imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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exit (EXIT_SUCCESS);
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}
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static void
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copy_file (int ifd, const char *datafile, int pad)
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{
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int dfd;
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struct stat sbuf;
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unsigned char *ptr;
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int tail;
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int zero = 0;
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uint8_t zeros[4096];
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int offset = 0;
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int size;
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struct image_type_params *tparams = imagetool_get_type(params.type);
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if (pad >= sizeof(zeros)) {
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fprintf(stderr, "%s: Can't pad to %d\n",
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params.cmdname, pad);
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exit(EXIT_FAILURE);
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}
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memset(zeros, 0, sizeof(zeros));
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if (params.vflag) {
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fprintf (stderr, "Adding Image %s\n", datafile);
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}
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if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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params.cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (fstat(dfd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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params.cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
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if (ptr == MAP_FAILED) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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params.cmdname, datafile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (params.xflag) {
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unsigned char *p = NULL;
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/*
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* XIP: do not append the image_header_t at the
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* beginning of the file, but consume the space
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* reserved for it.
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*/
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if ((unsigned)sbuf.st_size < tparams->header_size) {
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fprintf (stderr,
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"%s: Bad size: \"%s\" is too small for XIP\n",
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params.cmdname, datafile);
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exit (EXIT_FAILURE);
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}
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for (p = ptr; p < ptr + tparams->header_size; p++) {
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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);
|
|
fprintf(stderr, "Use -T to see a list of available image types\n");
|
|
|
|
exit (EXIT_FAILURE);
|
|
}
|