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cmd: fwu: Dump custom fields from mdata structure

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The commit cb9ae40a16 ("tools: mkfwumdata: add logic to append vendor
data to the FWU metadata") added support for adding vendor data to mdata
structure but it is not visible anywhere that's why extend fwu command to
dump it.

Tested-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Michal Simek 2025-03-21 11:25:48 +01:00 committed by Heinrich Schuchardt
parent 3d8e1b7b2d
commit 70d5f6e21e
2 changed files with 26 additions and 0 deletions
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1
cmd/Kconfig
View File

@ -185,6 +185,7 @@ config CMD_UFETCH
config CMD_FWU_METADATA
bool "fwu metadata read"
depends on FWU_MULTI_BANK_UPDATE
imply HEXDUMP if FWU_MDATA_V2
help
Command to read the metadata and dump it's contents

25
cmd/fwu_mdata.c
View File

@ -7,6 +7,7 @@
#include <dm.h>
#include <fwu.h>
#include <fwu_mdata.h>
#include <hexdump.h>
#include <log.h>
#include <stdio.h>
#include <stdlib.h>
@ -45,6 +46,30 @@ static void print_mdata(struct fwu_data *data)
img_info->accepted == 0x1 ? "yes" : "no");
}
}
if (data->version == 2) {
struct fwu_mdata *mdata = data->fwu_mdata;
struct fwu_fw_store_desc *desc;
void *end;
u32 diff;
/*
* fwu_mdata defines only header that's why taking it as array
* which exactly point to image description location
*/
desc = (struct fwu_fw_store_desc *)&mdata[1];
/* Number of entries is taken from for loop - variable i */
end = &desc->img_entry[i];
debug("mdata %p, desc %p, end %p\n", mdata, desc, end);
diff = data->metadata_size - ((void *)end - (void *)mdata);
if (diff) {
printf("Custom fields covered by CRC len: 0x%x\n", diff);
print_hex_dump_bytes("CUSTOM ", DUMP_PREFIX_OFFSET,
end, diff);
}
}
}
int do_fwu_mdata_read(struct cmd_tbl *cmdtp, int flag,