blob: 4a3e61a39daf3afe1f48026c192960646088d504 [file] [log] [blame]
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include <errno.h>
#include <getopt.h>
#include <limits.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "fiptool.h"
#include "firmware_image_package.h"
#include "tbbr_config.h"
#define OPT_TOC_ENTRY 0
#define OPT_PLAT_TOC_FLAGS 1
static int info_cmd(int argc, char *argv[]);
static void info_usage(void);
static int create_cmd(int argc, char *argv[]);
static void create_usage(void);
static int update_cmd(int argc, char *argv[]);
static void update_usage(void);
static int unpack_cmd(int argc, char *argv[]);
static void unpack_usage(void);
static int remove_cmd(int argc, char *argv[]);
static void remove_usage(void);
static int version_cmd(int argc, char *argv[]);
static void version_usage(void);
static int help_cmd(int argc, char *argv[]);
static void usage(void);
/* Available subcommands. */
static cmd_t cmds[] = {
{ .name = "info", .handler = info_cmd, .usage = info_usage },
{ .name = "create", .handler = create_cmd, .usage = create_usage },
{ .name = "update", .handler = update_cmd, .usage = update_usage },
{ .name = "unpack", .handler = unpack_cmd, .usage = unpack_usage },
{ .name = "remove", .handler = remove_cmd, .usage = remove_usage },
{ .name = "version", .handler = version_cmd, .usage = version_usage },
{ .name = "help", .handler = help_cmd, .usage = NULL },
};
static image_t *images[MAX_IMAGES];
static size_t nr_images;
static uuid_t uuid_null = { 0 };
static int verbose;
static void vlog(int prio, char *msg, va_list ap)
{
char *prefix[] = { "DEBUG", "WARN", "ERROR" };
fprintf(stderr, "%s: ", prefix[prio]);
vfprintf(stderr, msg, ap);
fputc('\n', stderr);
}
static void log_dbgx(char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vlog(LOG_DBG, msg, ap);
va_end(ap);
}
static void log_warnx(char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vlog(LOG_WARN, msg, ap);
va_end(ap);
}
static void log_err(char *msg, ...)
{
char buf[512];
va_list ap;
va_start(ap, msg);
snprintf(buf, sizeof(buf), "%s: %s", msg, strerror(errno));
vlog(LOG_ERR, buf, ap);
va_end(ap);
exit(1);
}
static void log_errx(char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vlog(LOG_ERR, msg, ap);
va_end(ap);
exit(1);
}
static void add_image(image_t *image)
{
if (nr_images + 1 > MAX_IMAGES)
log_errx("Too many images");
images[nr_images++] = image;
}
static void free_image(image_t *image)
{
free(image->buffer);
free(image);
}
static void replace_image(image_t *image_dst, image_t *image_src)
{
int i;
for (i = 0; i < nr_images; i++) {
if (images[i] == image_dst) {
free_image(images[i]);
images[i] = image_src;
break;
}
}
assert(i != nr_images);
}
static void remove_image(image_t *image)
{
int i;
for (i = 0; i < nr_images; i++) {
if (images[i] == image) {
free_image(images[i]);
images[i] = NULL;
break;
}
}
assert(i != nr_images);
/* Compact array. */
memmove(&images[i], &images[i + 1],
(nr_images - i - 1) * sizeof(*images));
nr_images--;
}
static void free_images(void)
{
int i;
for (i = 0; i < nr_images; i++) {
free_image(images[i]);
images[i] = NULL;
}
}
static toc_entry_t *get_entry_lookup_from_uuid(const uuid_t *uuid)
{
toc_entry_t *toc_entry = toc_entries;
for (; toc_entry->cmdline_name != NULL; toc_entry++)
if (memcmp(&toc_entry->uuid, uuid, sizeof(uuid_t)) == 0)
return toc_entry;
return NULL;
}
static int parse_fip(char *filename, fip_toc_header_t *toc_header_out)
{
struct stat st;
FILE *fp;
char *buf, *bufend;
fip_toc_header_t *toc_header;
fip_toc_entry_t *toc_entry;
image_t *image;
int terminated = 0;
fp = fopen(filename, "r");
if (fp == NULL)
log_err("fopen %s", filename);
if (fstat(fileno(fp), &st) == -1)
log_err("fstat %s", filename);
buf = malloc(st.st_size);
if (buf == NULL)
log_err("malloc");
if (fread(buf, 1, st.st_size, fp) != st.st_size)
log_errx("Failed to read %s", filename);
bufend = buf + st.st_size;
fclose(fp);
if (st.st_size < sizeof(fip_toc_header_t))
log_errx("FIP %s is truncated", filename);
toc_header = (fip_toc_header_t *)buf;
toc_entry = (fip_toc_entry_t *)(toc_header + 1);
if (toc_header->name != TOC_HEADER_NAME)
log_errx("%s is not a FIP file", filename);
/* Return the ToC header if the caller wants it. */
if (toc_header_out != NULL)
*toc_header_out = *toc_header;
/* Walk through each ToC entry in the file. */
while ((char *)toc_entry + sizeof(*toc_entry) - 1 < bufend) {
/* Found the ToC terminator, we are done. */
if (memcmp(&toc_entry->uuid, &uuid_null, sizeof(uuid_t)) == 0) {
terminated = 1;
break;
}
/*
* Build a new image out of the ToC entry and add it to the
* table of images.
*/
image = malloc(sizeof(*image));
if (image == NULL)
log_err("malloc");
memcpy(&image->uuid, &toc_entry->uuid, sizeof(uuid_t));
image->buffer = malloc(toc_entry->size);
if (image->buffer == NULL)
log_err("malloc");
/* Overflow checks before memory copy. */
if (toc_entry->size > (uint64_t)-1 - toc_entry->offset_address)
log_errx("FIP %s is corrupted", filename);
if (toc_entry->size + toc_entry->offset_address > st.st_size)
log_errx("FIP %s is corrupted", filename);
memcpy(image->buffer, buf + toc_entry->offset_address,
toc_entry->size);
image->size = toc_entry->size;
image->toc_entry = get_entry_lookup_from_uuid(&toc_entry->uuid);
if (image->toc_entry == NULL) {
add_image(image);
toc_entry++;
continue;
}
assert(image->toc_entry->image == NULL);
/* Link backpointer from lookup entry. */
image->toc_entry->image = image;
add_image(image);
toc_entry++;
}
if (terminated == 0)
log_errx("FIP %s does not have a ToC terminator entry",
filename);
free(buf);
return 0;
}
static image_t *read_image_from_file(toc_entry_t *toc_entry, char *filename)
{
struct stat st;
image_t *image;
FILE *fp;
fp = fopen(filename, "r");
if (fp == NULL)
log_err("fopen %s", filename);
if (fstat(fileno(fp), &st) == -1)
log_errx("fstat %s", filename);
image = malloc(sizeof(*image));
if (image == NULL)
log_err("malloc");
memcpy(&image->uuid, &toc_entry->uuid, sizeof(uuid_t));
image->buffer = malloc(st.st_size);
if (image->buffer == NULL)
log_err("malloc");
if (fread(image->buffer, 1, st.st_size, fp) != st.st_size)
log_errx("Failed to read %s", filename);
image->size = st.st_size;
image->toc_entry = toc_entry;
fclose(fp);
return image;
}
static int write_image_to_file(image_t *image, char *filename)
{
FILE *fp;
fp = fopen(filename, "w");
if (fp == NULL)
log_err("fopen");
if (fwrite(image->buffer, 1, image->size, fp) != image->size)
log_errx("Failed to write %s", filename);
fclose(fp);
return 0;
}
static int fill_common_opts(struct option *opts, int has_arg)
{
int i;
for (i = 0; toc_entries[i].cmdline_name != NULL; i++) {
opts[i].name = toc_entries[i].cmdline_name;
opts[i].has_arg = has_arg;
opts[i].flag = NULL;
opts[i].val = 0;
}
return i;
}
static void add_opt(struct option *opts, int idx, char *name,
int has_arg, int val)
{
opts[idx].name = name;
opts[idx].has_arg = has_arg;
opts[idx].flag = NULL;
opts[idx].val = val;
}
static int info_cmd(int argc, char *argv[])
{
image_t *image;
uint64_t image_offset;
uint64_t image_size = 0;
fip_toc_header_t toc_header;
int i;
if (argc != 2)
usage();
argc--, argv++;
parse_fip(argv[0], &toc_header);
if (verbose) {
log_dbgx("toc_header[name]: 0x%llX",
(unsigned long long)toc_header.name);
log_dbgx("toc_header[serial_number]: 0x%llX",
(unsigned long long)toc_header.serial_number);
log_dbgx("toc_header[flags]: 0x%llX",
(unsigned long long)toc_header.flags);
}
image_offset = sizeof(fip_toc_header_t) +
(sizeof(fip_toc_entry_t) * (nr_images + 1));
for (i = 0; i < nr_images; i++) {
image = images[i];
if (image->toc_entry != NULL)
printf("%s: ", image->toc_entry->name);
else
printf("Unknown entry: ");
image_size = image->size;
printf("offset=0x%llX, size=0x%llX",
(unsigned long long)image_offset,
(unsigned long long)image_size);
if (image->toc_entry != NULL)
printf(", cmdline=\"--%s\"\n",
image->toc_entry->cmdline_name);
else
putchar('\n');
image_offset += image_size;
}
free_images();
return 0;
}
static void info_usage(void)
{
printf("fiptool info FIP_FILENAME\n");
}
static int pack_images(char *filename, uint64_t toc_flags)
{
FILE *fp;
image_t *image;
fip_toc_header_t *toc_header;
fip_toc_entry_t *toc_entry;
char *buf;
uint64_t entry_offset, buf_size, payload_size;
int i;
/* Calculate total payload size and allocate scratch buffer. */
payload_size = 0;
for (i = 0; i < nr_images; i++)
payload_size += images[i]->size;
buf_size = sizeof(fip_toc_header_t) +
sizeof(fip_toc_entry_t) * (nr_images + 1);
buf = calloc(1, buf_size);
if (buf == NULL)
log_err("calloc");
/* Build up header and ToC entries from the image table. */
toc_header = (fip_toc_header_t *)buf;
toc_header->name = TOC_HEADER_NAME;
toc_header->serial_number = TOC_HEADER_SERIAL_NUMBER;
toc_header->flags = toc_flags;
toc_entry = (fip_toc_entry_t *)(toc_header + 1);
entry_offset = buf_size;
for (i = 0; i < nr_images; i++) {
image = images[i];
memcpy(&toc_entry->uuid, &image->uuid, sizeof(uuid_t));
toc_entry->offset_address = entry_offset;
toc_entry->size = image->size;
toc_entry->flags = 0;
entry_offset += toc_entry->size;
toc_entry++;
}
/* Append a null uuid entry to mark the end of ToC entries. */
memcpy(&toc_entry->uuid, &uuid_null, sizeof(uuid_t));
toc_entry->offset_address = entry_offset;
toc_entry->size = 0;
toc_entry->flags = 0;
/* Generate the FIP file. */
fp = fopen(filename, "w");
if (fp == NULL)
log_err("fopen %s", filename);
if (verbose)
log_dbgx("Metadata size: %zu bytes", buf_size);
if (fwrite(buf, 1, buf_size, fp) != buf_size)
log_errx("Failed to write image to %s", filename);
free(buf);
if (verbose)
log_dbgx("Payload size: %zu bytes", payload_size);
for (i = 0; i < nr_images; i++) {
image = images[i];
if (fwrite(image->buffer, 1, image->size, fp) != image->size)
log_errx("Failed to write image to %s", filename);
}
fclose(fp);
return 0;
}
/*
* This function is shared between the create and update subcommands.
* The difference between the two subcommands is that when the FIP file
* is created, the parsing of an existing FIP is skipped. This results
* in update_fip() creating the new FIP file from scratch because the
* internal image table is not populated.
*/
static void update_fip(void)
{
toc_entry_t *toc_entry;
image_t *image;
/* Add or replace images in the FIP file. */
for (toc_entry = toc_entries;
toc_entry->cmdline_name != NULL;
toc_entry++) {
if (toc_entry->action != DO_PACK)
continue;
image = read_image_from_file(toc_entry, toc_entry->action_arg);
if (toc_entry->image != NULL) {
if (verbose)
log_dbgx("Replacing image %s.bin with %s",
toc_entry->cmdline_name,
toc_entry->action_arg);
replace_image(toc_entry->image, image);
} else {
if (verbose)
log_dbgx("Adding image %s",
toc_entry->action_arg);
add_image(image);
}
/* Link backpointer from lookup entry. */
toc_entry->image = image;
free(toc_entry->action_arg);
toc_entry->action_arg = NULL;
}
}
static void parse_plat_toc_flags(char *arg, unsigned long long *toc_flags)
{
unsigned long long flags;
char *endptr;
errno = 0;
flags = strtoull(arg, &endptr, 16);
if (*endptr != '\0' || flags > UINT16_MAX || errno != 0)
log_errx("Invalid platform ToC flags: %s", arg);
/* Platform ToC flags is a 16-bit field occupying bits [32-47]. */
*toc_flags |= flags << 32;
}
static int create_cmd(int argc, char *argv[])
{
struct option opts[toc_entries_len + 1];
unsigned long long toc_flags = 0;
int i;
if (argc < 2)
usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "plat-toc-flags", required_argument,
OPT_PLAT_TOC_FLAGS);
add_opt(opts, ++i, NULL, 0, 0);
while (1) {
int c, opt_index;
c = getopt_long(argc, argv, "o:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY: {
toc_entry_t *toc_entry;
toc_entry = &toc_entries[opt_index];
toc_entry->action = DO_PACK;
toc_entry->action_arg = strdup(optarg);
if (toc_entry->action_arg == NULL)
log_err("strdup");
break;
}
case OPT_PLAT_TOC_FLAGS:
parse_plat_toc_flags(optarg, &toc_flags);
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
update_fip();
pack_images(argv[0], toc_flags);
free_images();
return 0;
}
static void create_usage(void)
{
toc_entry_t *toc_entry = toc_entries;
printf("fiptfool create [--plat-toc-flags <value>] [opts] FIP_FILENAME\n");
printf(" --plat-toc-flags <value>\t16-bit platform specific flag field "
"occupying bits 32-47 in 64-bit ToC header.\n");
fputc('\n', stderr);
printf("Specific images are packed with the following options:\n");
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s FILENAME\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
}
static int update_cmd(int argc, char *argv[])
{
struct option opts[toc_entries_len + 2];
char outfile[FILENAME_MAX] = { 0 };
fip_toc_header_t toc_header = { 0 };
unsigned long long toc_flags = 0;
int pflag = 0;
int i;
if (argc < 2)
usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "out", required_argument, 'o');
add_opt(opts, ++i, "plat-toc-flags", required_argument,
OPT_PLAT_TOC_FLAGS);
add_opt(opts, ++i, NULL, 0, 0);
while (1) {
int c, opt_index;
c = getopt_long(argc, argv, "o:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY: {
toc_entry_t *toc_entry;
toc_entry = &toc_entries[opt_index];
toc_entry->action = DO_PACK;
toc_entry->action_arg = strdup(optarg);
if (toc_entry->action_arg == NULL)
log_err("strdup");
break;
}
case OPT_PLAT_TOC_FLAGS: {
parse_plat_toc_flags(optarg, &toc_flags);
pflag = 1;
break;
}
case 'o':
snprintf(outfile, sizeof(outfile), "%s", optarg);
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
if (outfile[0] == '\0')
snprintf(outfile, sizeof(outfile), "%s", argv[0]);
if (access(outfile, F_OK) == 0)
parse_fip(argv[0], &toc_header);
if (pflag)
toc_header.flags &= ~(0xffffULL << 32);
toc_flags = (toc_header.flags |= toc_flags);
update_fip();
pack_images(outfile, toc_flags);
free_images();
return 0;
}
static void update_usage(void)
{
toc_entry_t *toc_entry = toc_entries;
printf("fiptfool update [--out FIP_FILENAME] "
"[--plat-toc-flags <value>] [opts] FIP_FILENAME\n");
printf(" --out FIP_FILENAME\t\tSet an alternative output FIP file.\n");
printf(" --plat-toc-flags <value>\t16-bit platform specific flag field "
"occupying bits 32-47 in 64-bit ToC header.\n");
fputc('\n', stderr);
printf("Specific images are packed with the following options:\n");
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s FILENAME\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
}
static int unpack_cmd(int argc, char *argv[])
{
struct option opts[toc_entries_len + 3];
char file[FILENAME_MAX], outdir[PATH_MAX] = { 0 };
toc_entry_t *toc_entry;
int fflag = 0;
int unpack_all = 1;
int i;
if (argc < 2)
usage();
i = fill_common_opts(opts, required_argument);
add_opt(opts, i, "force", no_argument, 'f');
add_opt(opts, ++i, "out", required_argument, 'o');
add_opt(opts, ++i, NULL, 0, 0);
while (1) {
int c, opt_index;
c = getopt_long(argc, argv, "fo:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY:
unpack_all = 0;
toc_entry = &toc_entries[opt_index];
toc_entry->action = DO_UNPACK;
toc_entry->action_arg = strdup(optarg);
if (toc_entry->action_arg == NULL)
log_err("strdup");
break;
case 'f':
fflag = 1;
break;
case 'o':
snprintf(outdir, sizeof(outdir), "%s", optarg);
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
parse_fip(argv[0], NULL);
if (outdir[0] != '\0')
if (chdir(outdir) == -1)
log_err("chdir %s", outdir);
/* Mark all images to be unpacked. */
if (unpack_all) {
for (toc_entry = toc_entries;
toc_entry->cmdline_name != NULL;
toc_entry++) {
if (toc_entry->image != NULL) {
toc_entry->action = DO_UNPACK;
toc_entry->action_arg = NULL;
}
}
}
/* Unpack all specified images. */
for (toc_entry = toc_entries;
toc_entry->cmdline_name != NULL;
toc_entry++) {
if (toc_entry->action != DO_UNPACK)
continue;
/* Build filename. */
if (toc_entry->action_arg == NULL)
snprintf(file, sizeof(file), "%s.bin",
toc_entry->cmdline_name);
else
snprintf(file, sizeof(file), "%s",
toc_entry->action_arg);
if (toc_entry->image == NULL) {
log_warnx("Requested image %s is not in %s",
file, argv[0]);
free(toc_entry->action_arg);
toc_entry->action_arg = NULL;
continue;
}
if (access(file, F_OK) != 0 || fflag) {
if (verbose)
log_dbgx("Unpacking %s", file);
write_image_to_file(toc_entry->image, file);
} else {
log_warnx("File %s already exists, use --force to overwrite it",
file);
}
free(toc_entry->action_arg);
toc_entry->action_arg = NULL;
}
free_images();
return 0;
}
static void unpack_usage(void)
{
toc_entry_t *toc_entry = toc_entries;
printf("fiptool unpack [--force] [--out <path>] [opts] FIP_FILENAME\n");
printf(" --force\tIf the output file already exists, use --force to "
"overwrite it.\n");
printf(" --out path\tSet the output directory path.\n");
fputc('\n', stderr);
printf("Specific images are unpacked with the following options:\n");
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s FILENAME\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
fputc('\n', stderr);
printf("If no options are provided, all images will be unpacked.\n");
}
static int remove_cmd(int argc, char *argv[])
{
struct option opts[toc_entries_len + 2];
char outfile[FILENAME_MAX] = { 0 };
fip_toc_header_t toc_header;
toc_entry_t *toc_entry;
int fflag = 0;
int i;
if (argc < 2)
usage();
i = fill_common_opts(opts, no_argument);
add_opt(opts, i, "force", no_argument, 'f');
add_opt(opts, ++i, "out", required_argument, 'o');
add_opt(opts, ++i, NULL, 0, 0);
while (1) {
int c, opt_index;
c = getopt_long(argc, argv, "fo:", opts, &opt_index);
if (c == -1)
break;
switch (c) {
case OPT_TOC_ENTRY:
toc_entry = &toc_entries[opt_index];
toc_entry->action = DO_REMOVE;
break;
case 'f':
fflag = 1;
break;
case 'o':
snprintf(outfile, sizeof(outfile), "%s", optarg);
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage();
if (outfile[0] != '\0' && access(outfile, F_OK) == 0 && !fflag)
log_errx("File %s already exists, use --force to overwrite it",
outfile);
if (outfile[0] == '\0')
snprintf(outfile, sizeof(outfile), "%s", argv[0]);
parse_fip(argv[0], &toc_header);
for (toc_entry = toc_entries;
toc_entry->cmdline_name != NULL;
toc_entry++) {
if (toc_entry->action != DO_REMOVE)
continue;
if (toc_entry->image != NULL) {
if (verbose)
log_dbgx("Removing %s.bin",
toc_entry->cmdline_name);
remove_image(toc_entry->image);
} else {
log_warnx("Requested image %s.bin is not in %s",
toc_entry->cmdline_name, argv[0]);
}
}
pack_images(outfile, toc_header.flags);
free_images();
return 0;
}
static void remove_usage(void)
{
toc_entry_t *toc_entry = toc_entries;
printf("fiptool remove [--force] [--out FIP_FILENAME] [opts] FIP_FILENAME\n");
printf(" --force\t\tIf the output FIP file already exists, use --force to "
"overwrite it.\n");
printf(" --out FIP_FILENAME\tSet an alternative output FIP file.\n");
fputc('\n', stderr);
printf("Specific images are removed with the following options:\n");
for (; toc_entry->cmdline_name != NULL; toc_entry++)
printf(" --%-16s\t%s\n", toc_entry->cmdline_name,
toc_entry->name);
}
static int version_cmd(int argc, char *argv[])
{
#ifdef VERSION
puts(VERSION);
#else
/* If built from fiptool directory, VERSION is not set. */
puts("Unknown version");
#endif
return 0;
}
static void version_usage(void)
{
printf("fiptool version\n");
}
static int help_cmd(int argc, char *argv[])
{
int i;
if (argc < 2)
usage();
argc--, argv++;
for (i = 0; i < NELEM(cmds); i++) {
if (strcmp(cmds[i].name, argv[0]) == 0 &&
cmds[i].usage != NULL) {
cmds[i].usage();
break;
}
}
if (i == NELEM(cmds))
printf("No help for subcommand '%s'\n", argv[0]);
return 0;
}
static void usage(void)
{
printf("usage: [--verbose] fiptool <command> [<args>]\n");
printf("Global options supported:\n");
printf(" --verbose\tEnable verbose output for all commands.\n");
fputc('\n', stderr);
printf("Commands supported:\n");
printf(" info\t\tList images contained in FIP.\n");
printf(" create\tCreate a new FIP with the given images.\n");
printf(" update\tUpdate an existing FIP with the given images.\n");
printf(" unpack\tUnpack images from FIP.\n");
printf(" remove\tRemove images from FIP.\n");
printf(" version\tShow fiptool version.\n");
printf(" help\t\tShow help for given command.\n");
exit(1);
}
int main(int argc, char *argv[])
{
int i, ret = 0;
if (argc < 2)
usage();
argc--, argv++;
if (strcmp(argv[0], "-v") == 0 ||
strcmp(argv[0], "--verbose") == 0) {
verbose = 1;
argc--, argv++;
}
for (i = 0; i < NELEM(cmds); i++) {
if (strcmp(cmds[i].name, argv[0]) == 0) {
ret = cmds[i].handler(argc, argv);
break;
}
}
if (i == NELEM(cmds))
usage();
return ret;
}