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authorSimon Glass <sjg@chromium.org>2016-02-22 22:55:48 -0700
committerTom Rini <trini@konsulko.com>2016-03-14 19:18:27 -0400
commitd505a09c1e8fa512aeb3c077048d521f1be302ff (patch)
tree89f706df19d47932f7affe2186aa7bac6189f4ea /tools
parente2070a896184e0ea778edd4f8f0ca43a618e64d8 (diff)
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mkimage: Allow a FIT to include an image of any type
At present FIT images are set up by providing a device tree source file which is a file with a .its extension. We want to support automatically creating this file based on the image supplied to mkimage. This means that even though the final file type is always IH_TYPE_FLATDT, the image inside may be something else. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/imagetool.h1
-rw-r--r--tools/mkimage.c33
2 files changed, 29 insertions, 5 deletions
diff --git a/tools/imagetool.h b/tools/imagetool.h
index ad2deb5..e0397f7 100644
--- a/tools/imagetool.h
+++ b/tools/imagetool.h
@@ -61,6 +61,7 @@ struct image_tool_params {
int require_keys; /* 1 to mark signing keys as 'required' */
int file_size; /* Total size of output file */
int orig_file_size; /* Original size for file before padding */
+ int fit_image_type; /* Image type to put into the FIT */
};
/*
diff --git a/tools/mkimage.c b/tools/mkimage.c
index e1900bd..4526da2 100644
--- a/tools/mkimage.c
+++ b/tools/mkimage.c
@@ -112,10 +112,14 @@ static void usage(const char *msg)
static void process_args(int argc, char **argv)
{
char *ptr;
+ int type = IH_TYPE_INVALID;
+ char *datafile = NULL;
+ int expecting;
int opt;
+ expecting = IH_TYPE_COUNT; /* Unknown */
while ((opt = getopt(argc, argv,
- "a:A:cC:d:D:e:f:Fk:K:ln:O:rR:sT:vVx")) != -1) {
+ "-a:A:cC:d:D:e:f:Fk:K:ln:O:rR:sT:vVx")) != -1) {
switch (opt) {
case 'a':
params.addr = strtoull(optarg, &ptr, 16);
@@ -162,6 +166,7 @@ static void process_args(int argc, char **argv)
* The flattened image tree (FIT) format
* requires a flattened device tree image type
*/
+ params.fit_image_type = params.type;
params.type = IH_TYPE_FLATDT;
params.fflag = 1;
break;
@@ -196,11 +201,12 @@ static void process_args(int argc, char **argv)
params.skipcpy = 1;
break;
case 'T':
- params.type = genimg_get_type_id(optarg);
- if (params.type < 0) {
+ type = genimg_get_type_id(optarg);
+ if (type < 0) {
show_image_types();
usage("Invalid image type");
}
+ expecting = type;
break;
case 'v':
params.vflag++;
@@ -211,14 +217,31 @@ static void process_args(int argc, char **argv)
case 'x':
params.xflag++;
break;
+ case 1:
+ if (expecting == type || optind == argc) {
+ params.imagefile = optarg;
+ expecting = IH_TYPE_INVALID;
+ }
+ break;
default:
usage("Invalid option");
}
}
- if (optind >= argc)
+ /*
+ * For auto-generated FIT images we need to know the image type to put
+ * in the FIT, which is separate from the file's image type (which
+ * will always be IH_TYPE_FLATDT in this case).
+ */
+ if (params.type == IH_TYPE_FLATDT) {
+ params.fit_image_type = type;
+ params.datafile = datafile;
+ } else if (type != IH_TYPE_INVALID) {
+ params.type = type;
+ }
+
+ if (!params.imagefile)
usage("Missing output filename");
- params.imagefile = argv[optind];
}