+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2008 Semihalf
*
* some functions added to address abstraction
*
* All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include "imagetool.h"
#include "fit_common.h"
#include "mkimage.h"
#include <image.h>
+#include <stdarg.h>
+#include <version.h>
#include <u-boot/crc.h>
static image_header_t header;
void *ptr;
int ret = 0;
- tfd = mmap_fdt(params->cmdname, tmpfile, size_inc, &ptr, &sbuf, true);
+ tfd = mmap_fdt(params->cmdname, tmpfile, size_inc, &ptr, &sbuf, true,
+ false);
if (tfd < 0)
return -EIO;
struct stat dest_sbuf;
destfd = mmap_fdt(params->cmdname, params->keydest, size_inc,
- &dest_blob, &dest_sbuf, false);
+ &dest_blob, &dest_sbuf, false,
+ false);
if (destfd < 0) {
ret = -EIO;
goto err_keydest;
}
/* for first image creation, add a timestamp at offset 0 i.e., root */
- if (params->datafile)
- ret = fit_set_timestamp(ptr, 0, sbuf.st_mtime);
+ if (params->datafile) {
+ time_t time = imagetool_get_source_date(params->cmdname,
+ sbuf.st_mtime);
+ ret = fit_set_timestamp(ptr, 0, time);
+ }
if (!ret) {
ret = fit_add_verification_data(params->keydir, dest_blob, ptr,
params->comment,
- params->require_keys);
+ params->require_keys,
+ params->engine_id,
+ params->cmdname);
}
if (dest_blob) {
return ret;
}
+/**
+ * fit_calc_size() - Calculate the approximate size of the FIT we will generate
+ */
+static int fit_calc_size(struct image_tool_params *params)
+{
+ struct content_info *cont;
+ int size, total_size;
+
+ size = imagetool_get_filesize(params, params->datafile);
+ if (size < 0)
+ return -1;
+ total_size = size;
+
+ if (params->fit_ramdisk) {
+ size = imagetool_get_filesize(params, params->fit_ramdisk);
+ if (size < 0)
+ return -1;
+ total_size += size;
+ }
+
+ for (cont = params->content_head; cont; cont = cont->next) {
+ size = imagetool_get_filesize(params, cont->fname);
+ if (size < 0)
+ return -1;
+
+ /* Add space for properties */
+ total_size += size + 300;
+ }
+
+ /* Add plenty of space for headers, properties, nodes, etc. */
+ total_size += 4096;
+
+ return total_size;
+}
+
+static int fdt_property_file(struct image_tool_params *params,
+ void *fdt, const char *name, const char *fname)
+{
+ struct stat sbuf;
+ void *ptr;
+ int ret;
+ int fd;
+
+ fd = open(fname, O_RDWR | O_BINARY);
+ if (fd < 0) {
+ fprintf(stderr, "%s: Can't open %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ return -1;
+ }
+
+ if (fstat(fd, &sbuf) < 0) {
+ fprintf(stderr, "%s: Can't stat %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ goto err;
+ }
+
+ ret = fdt_property_placeholder(fdt, "data", sbuf.st_size, &ptr);
+ if (ret)
+ goto err;
+ ret = read(fd, ptr, sbuf.st_size);
+ if (ret != sbuf.st_size) {
+ fprintf(stderr, "%s: Can't read %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ goto err;
+ }
+ close(fd);
+
+ return 0;
+err:
+ close(fd);
+ return -1;
+}
+
+static int fdt_property_strf(void *fdt, const char *name, const char *fmt, ...)
+{
+ char str[100];
+ va_list ptr;
+
+ va_start(ptr, fmt);
+ vsnprintf(str, sizeof(str), fmt, ptr);
+ va_end(ptr);
+ return fdt_property_string(fdt, name, str);
+}
+
+static void get_basename(char *str, int size, const char *fname)
+{
+ const char *p, *start, *end;
+ int len;
+
+ /*
+ * Use the base name as the 'name' field. So for example:
+ *
+ * "arch/arm/dts/sun7i-a20-bananapro.dtb"
+ * becomes "sun7i-a20-bananapro"
+ */
+ p = strrchr(fname, '/');
+ start = p ? p + 1 : fname;
+ p = strrchr(fname, '.');
+ end = p ? p : fname + strlen(fname);
+ len = end - start;
+ if (len >= size)
+ len = size - 1;
+ memcpy(str, start, len);
+ str[len] = '\0';
+}
+
+/**
+ * fit_write_images() - Write out a list of images to the FIT
+ *
+ * We always include the main image (params->datafile). If there are device
+ * tree files, we include an fdt- node for each of those too.
+ */
+static int fit_write_images(struct image_tool_params *params, char *fdt)
+{
+ struct content_info *cont;
+ const char *typename;
+ char str[100];
+ int upto;
+ int ret;
+
+ fdt_begin_node(fdt, "images");
+
+ /* First the main image */
+ typename = genimg_get_type_short_name(params->fit_image_type);
+ snprintf(str, sizeof(str), "%s-1", typename);
+ fdt_begin_node(fdt, str);
+ fdt_property_string(fdt, FIT_DESC_PROP, params->imagename);
+ fdt_property_string(fdt, FIT_TYPE_PROP, typename);
+ fdt_property_string(fdt, FIT_ARCH_PROP,
+ genimg_get_arch_short_name(params->arch));
+ fdt_property_string(fdt, FIT_OS_PROP,
+ genimg_get_os_short_name(params->os));
+ fdt_property_string(fdt, FIT_COMP_PROP,
+ genimg_get_comp_short_name(params->comp));
+ fdt_property_u32(fdt, FIT_LOAD_PROP, params->addr);
+ fdt_property_u32(fdt, FIT_ENTRY_PROP, params->ep);
+
+ /*
+ * Put data last since it is large. SPL may only load the first part
+ * of the DT, so this way it can access all the above fields.
+ */
+ ret = fdt_property_file(params, fdt, FIT_DATA_PROP, params->datafile);
+ if (ret)
+ return ret;
+ fdt_end_node(fdt);
+
+ /* Now the device tree files if available */
+ upto = 0;
+ for (cont = params->content_head; cont; cont = cont->next) {
+ if (cont->type != IH_TYPE_FLATDT)
+ continue;
+ typename = genimg_get_type_short_name(cont->type);
+ snprintf(str, sizeof(str), "%s-%d", FIT_FDT_PROP, ++upto);
+ fdt_begin_node(fdt, str);
+
+ get_basename(str, sizeof(str), cont->fname);
+ fdt_property_string(fdt, FIT_DESC_PROP, str);
+ ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
+ cont->fname);
+ if (ret)
+ return ret;
+ fdt_property_string(fdt, FIT_TYPE_PROP, typename);
+ fdt_property_string(fdt, FIT_ARCH_PROP,
+ genimg_get_arch_short_name(params->arch));
+ fdt_property_string(fdt, FIT_COMP_PROP,
+ genimg_get_comp_short_name(IH_COMP_NONE));
+ fdt_end_node(fdt);
+ }
+
+ /* And a ramdisk file if available */
+ if (params->fit_ramdisk) {
+ fdt_begin_node(fdt, FIT_RAMDISK_PROP "-1");
+
+ fdt_property_string(fdt, FIT_TYPE_PROP, FIT_RAMDISK_PROP);
+ fdt_property_string(fdt, FIT_OS_PROP,
+ genimg_get_os_short_name(params->os));
+ fdt_property_string(fdt, FIT_ARCH_PROP,
+ genimg_get_arch_short_name(params->arch));
+
+ ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
+ params->fit_ramdisk);
+ if (ret)
+ return ret;
+
+ fdt_end_node(fdt);
+ }
+
+ fdt_end_node(fdt);
+
+ return 0;
+}
+
+/**
+ * fit_write_configs() - Write out a list of configurations to the FIT
+ *
+ * If there are device tree files, we include a configuration for each, which
+ * selects the main image (params->datafile) and its corresponding device
+ * tree file.
+ *
+ * Otherwise we just create a configuration with the main image in it.
+ */
+static void fit_write_configs(struct image_tool_params *params, char *fdt)
+{
+ struct content_info *cont;
+ const char *typename;
+ char str[100];
+ int upto;
+
+ fdt_begin_node(fdt, "configurations");
+ fdt_property_string(fdt, FIT_DEFAULT_PROP, "conf-1");
+
+ upto = 0;
+ for (cont = params->content_head; cont; cont = cont->next) {
+ if (cont->type != IH_TYPE_FLATDT)
+ continue;
+ typename = genimg_get_type_short_name(cont->type);
+ snprintf(str, sizeof(str), "conf-%d", ++upto);
+ fdt_begin_node(fdt, str);
+
+ get_basename(str, sizeof(str), cont->fname);
+ fdt_property_string(fdt, FIT_DESC_PROP, str);
+
+ typename = genimg_get_type_short_name(params->fit_image_type);
+ snprintf(str, sizeof(str), "%s-1", typename);
+ fdt_property_string(fdt, typename, str);
+ fdt_property_string(fdt, FIT_LOADABLE_PROP, str);
+
+ if (params->fit_ramdisk)
+ fdt_property_string(fdt, FIT_RAMDISK_PROP,
+ FIT_RAMDISK_PROP "-1");
+
+ snprintf(str, sizeof(str), FIT_FDT_PROP "-%d", upto);
+ fdt_property_string(fdt, FIT_FDT_PROP, str);
+ fdt_end_node(fdt);
+ }
+
+ if (!upto) {
+ fdt_begin_node(fdt, "conf-1");
+ typename = genimg_get_type_short_name(params->fit_image_type);
+ snprintf(str, sizeof(str), "%s-1", typename);
+ fdt_property_string(fdt, typename, str);
+
+ if (params->fit_ramdisk)
+ fdt_property_string(fdt, FIT_RAMDISK_PROP,
+ FIT_RAMDISK_PROP "-1");
+
+ fdt_end_node(fdt);
+ }
+
+ fdt_end_node(fdt);
+}
+
+static int fit_build_fdt(struct image_tool_params *params, char *fdt, int size)
+{
+ int ret;
+
+ ret = fdt_create(fdt, size);
+ if (ret)
+ return ret;
+ fdt_finish_reservemap(fdt);
+ fdt_begin_node(fdt, "");
+ fdt_property_strf(fdt, FIT_DESC_PROP,
+ "%s image with one or more FDT blobs",
+ genimg_get_type_name(params->fit_image_type));
+ fdt_property_strf(fdt, "creator", "U-Boot mkimage %s", PLAIN_VERSION);
+ fdt_property_u32(fdt, "#address-cells", 1);
+ ret = fit_write_images(params, fdt);
+ if (ret)
+ return ret;
+ fit_write_configs(params, fdt);
+ fdt_end_node(fdt);
+ ret = fdt_finish(fdt);
+ if (ret)
+ return ret;
+
+ return fdt_totalsize(fdt);
+}
+
+static int fit_build(struct image_tool_params *params, const char *fname)
+{
+ char *buf;
+ int size;
+ int ret;
+ int fd;
+
+ size = fit_calc_size(params);
+ if (size < 0)
+ return -1;
+ buf = malloc(size);
+ if (!buf) {
+ fprintf(stderr, "%s: Out of memory (%d bytes)\n",
+ params->cmdname, size);
+ return -1;
+ }
+ ret = fit_build_fdt(params, buf, size);
+ if (ret < 0) {
+ fprintf(stderr, "%s: Failed to build FIT image\n",
+ params->cmdname);
+ goto err_buf;
+ }
+ size = ret;
+ fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
+ if (fd < 0) {
+ fprintf(stderr, "%s: Can't open %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ goto err_buf;
+ }
+ ret = write(fd, buf, size);
+ if (ret != size) {
+ fprintf(stderr, "%s: Can't write %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ goto err;
+ }
+ close(fd);
+ free(buf);
+
+ return 0;
+err:
+ close(fd);
+err_buf:
+ free(buf);
+ return -1;
+}
+
+/**
+ * fit_extract_data() - Move all data outside the FIT
+ *
+ * This takes a normal FIT file and removes all the 'data' properties from it.
+ * The data is placed in an area after the FIT so that it can be accessed
+ * using an offset into that area. The 'data' properties turn into
+ * 'data-offset' properties.
+ *
+ * This function cannot cope with FITs with 'data-offset' properties. All
+ * data must be in 'data' properties on entry.
+ */
+static int fit_extract_data(struct image_tool_params *params, const char *fname)
+{
+ void *buf;
+ int buf_ptr;
+ int fit_size, new_size;
+ int fd;
+ struct stat sbuf;
+ void *fdt;
+ int ret;
+ int images;
+ int node;
+
+ fd = mmap_fdt(params->cmdname, fname, 0, &fdt, &sbuf, false, false);
+ if (fd < 0)
+ return -EIO;
+ fit_size = fdt_totalsize(fdt);
+
+ /* Allocate space to hold the image data we will extract */
+ buf = malloc(fit_size);
+ if (!buf) {
+ ret = -ENOMEM;
+ goto err_munmap;
+ }
+ buf_ptr = 0;
+
+ images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
+ if (images < 0) {
+ debug("%s: Cannot find /images node: %d\n", __func__, images);
+ ret = -EINVAL;
+ goto err_munmap;
+ }
+
+ for (node = fdt_first_subnode(fdt, images);
+ node >= 0;
+ node = fdt_next_subnode(fdt, node)) {
+ const char *data;
+ int len;
+
+ data = fdt_getprop(fdt, node, FIT_DATA_PROP, &len);
+ if (!data)
+ continue;
+ memcpy(buf + buf_ptr, data, len);
+ debug("Extracting data size %x\n", len);
+
+ ret = fdt_delprop(fdt, node, FIT_DATA_PROP);
+ if (ret) {
+ ret = -EPERM;
+ goto err_munmap;
+ }
+ if (params->external_offset > 0) {
+ /* An external offset positions the data absolutely. */
+ fdt_setprop_u32(fdt, node, FIT_DATA_POSITION_PROP,
+ params->external_offset + buf_ptr);
+ } else {
+ fdt_setprop_u32(fdt, node, FIT_DATA_OFFSET_PROP,
+ buf_ptr);
+ }
+ fdt_setprop_u32(fdt, node, FIT_DATA_SIZE_PROP, len);
+
+ buf_ptr += (len + 3) & ~3;
+ }
+
+ /* Pack the FDT and place the data after it */
+ fdt_pack(fdt);
+
+ debug("Size reduced from %x to %x\n", fit_size, fdt_totalsize(fdt));
+ debug("External data size %x\n", buf_ptr);
+ new_size = fdt_totalsize(fdt);
+ new_size = (new_size + 3) & ~3;
+ munmap(fdt, sbuf.st_size);
+
+ if (ftruncate(fd, new_size)) {
+ debug("%s: Failed to truncate file: %s\n", __func__,
+ strerror(errno));
+ ret = -EIO;
+ goto err;
+ }
+
+ /* Check if an offset for the external data was set. */
+ if (params->external_offset > 0) {
+ if (params->external_offset < new_size) {
+ debug("External offset %x overlaps FIT length %x",
+ params->external_offset, new_size);
+ ret = -EINVAL;
+ goto err;
+ }
+ new_size = params->external_offset;
+ }
+ if (lseek(fd, new_size, SEEK_SET) < 0) {
+ debug("%s: Failed to seek to end of file: %s\n", __func__,
+ strerror(errno));
+ ret = -EIO;
+ goto err;
+ }
+ if (write(fd, buf, buf_ptr) != buf_ptr) {
+ debug("%s: Failed to write external data to file %s\n",
+ __func__, strerror(errno));
+ ret = -EIO;
+ goto err;
+ }
+ free(buf);
+ close(fd);
+ return 0;
+
+err_munmap:
+ munmap(fdt, sbuf.st_size);
+err:
+ if (buf)
+ free(buf);
+ close(fd);
+ return ret;
+}
+
+static int fit_import_data(struct image_tool_params *params, const char *fname)
+{
+ void *fdt, *old_fdt;
+ int fit_size, new_size, size, data_base;
+ int fd;
+ struct stat sbuf;
+ int ret;
+ int images;
+ int node;
+
+ fd = mmap_fdt(params->cmdname, fname, 0, &old_fdt, &sbuf, false, false);
+ if (fd < 0)
+ return -EIO;
+ fit_size = fdt_totalsize(old_fdt);
+ data_base = (fit_size + 3) & ~3;
+
+ /* Allocate space to hold the new FIT */
+ size = sbuf.st_size + 16384;
+ fdt = malloc(size);
+ if (!fdt) {
+ fprintf(stderr, "%s: Failed to allocate memory (%d bytes)\n",
+ __func__, size);
+ ret = -ENOMEM;
+ goto err_has_fd;
+ }
+ ret = fdt_open_into(old_fdt, fdt, size);
+ if (ret) {
+ debug("%s: Failed to expand FIT: %s\n", __func__,
+ fdt_strerror(errno));
+ ret = -EINVAL;
+ goto err_has_fd;
+ }
+
+ images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
+ if (images < 0) {
+ debug("%s: Cannot find /images node: %d\n", __func__, images);
+ ret = -EINVAL;
+ goto err_has_fd;
+ }
+
+ for (node = fdt_first_subnode(fdt, images);
+ node >= 0;
+ node = fdt_next_subnode(fdt, node)) {
+ int buf_ptr;
+ int len;
+
+ buf_ptr = fdtdec_get_int(fdt, node, "data-offset", -1);
+ len = fdtdec_get_int(fdt, node, "data-size", -1);
+ if (buf_ptr == -1 || len == -1)
+ continue;
+ debug("Importing data size %x\n", len);
+
+ ret = fdt_setprop(fdt, node, "data", fdt + data_base + buf_ptr,
+ len);
+ if (ret) {
+ debug("%s: Failed to write property: %s\n", __func__,
+ fdt_strerror(ret));
+ ret = -EINVAL;
+ goto err_has_fd;
+ }
+ }
+
+ /* Close the old fd so we can re-use it. */
+ close(fd);
+
+ /* Pack the FDT and place the data after it */
+ fdt_pack(fdt);
+
+ new_size = fdt_totalsize(fdt);
+ debug("Size expanded from %x to %x\n", fit_size, new_size);
+
+ fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
+ if (fd < 0) {
+ fprintf(stderr, "%s: Can't open %s: %s\n",
+ params->cmdname, fname, strerror(errno));
+ ret = -EIO;
+ goto err_no_fd;
+ }
+ if (write(fd, fdt, new_size) != new_size) {
+ debug("%s: Failed to write external data to file %s\n",
+ __func__, strerror(errno));
+ ret = -EIO;
+ goto err_has_fd;
+ }
+
+ ret = 0;
+
+err_has_fd:
+ close(fd);
+err_no_fd:
+ munmap(old_fdt, sbuf.st_size);
+ free(fdt);
+ return ret;
+}
+
/**
* fit_handle_file - main FIT file processing function
*
sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
/* We either compile the source file, or use the existing FIT image */
- if (params->datafile) {
- /* dtc -I dts -O dtb -p 500 datafile > tmpfile */
- snprintf(cmd, sizeof(cmd), "%s %s %s > %s",
- MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
+ if (params->auto_its) {
+ if (fit_build(params, tmpfile)) {
+ fprintf(stderr, "%s: failed to build FIT\n",
+ params->cmdname);
+ return EXIT_FAILURE;
+ }
+ *cmd = '\0';
+ } else if (params->datafile) {
+ /* dtc -I dts -O dtb -p 500 -o tmpfile datafile */
+ snprintf(cmd, sizeof(cmd), "%s %s -o \"%s\" \"%s\"",
+ MKIMAGE_DTC, params->dtc, tmpfile, params->datafile);
debug("Trying to execute \"%s\"\n", cmd);
} else {
- snprintf(cmd, sizeof(cmd), "cp %s %s",
+ snprintf(cmd, sizeof(cmd), "cp \"%s\" \"%s\"",
params->imagefile, tmpfile);
}
- if (system (cmd) == -1) {
+ if (*cmd && system(cmd) == -1) {
fprintf (stderr, "%s: system(%s) failed: %s\n",
params->cmdname, cmd, strerror(errno));
goto err_system;
}
+ /* Move the data so it is internal to the FIT, if needed */
+ ret = fit_import_data(params, tmpfile);
+ if (ret)
+ goto err_system;
+
/*
* Set hashes for images in the blob. Unfortunately we may need more
* space in either FDT, so keep trying until we succeed.
}
if (ret) {
- fprintf(stderr, "%s Can't add hashes to FIT blob\n",
- params->cmdname);
+ fprintf(stderr, "%s Can't add hashes to FIT blob: %d\n",
+ params->cmdname, ret);
goto err_system;
}
+ /* Move the data so it is external to the FIT, if requested */
+ if (params->external_data) {
+ ret = fit_extract_data(params, tmpfile);
+ if (ret)
+ goto err_system;
+ }
+
if (rename (tmpfile, params->imagefile) == -1) {
fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
params->cmdname, tmpfile, params->imagefile,
static int fit_check_params(struct image_tool_params *params)
{
+ if (params->auto_its)
+ return 0;
return ((params->dflag && (params->fflag || params->lflag)) ||
(params->fflag && (params->dflag || params->lflag)) ||
(params->lflag && (params->dflag || params->fflag)));
projects / oweals / u-boot.git / blobdiff