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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2022, Linaro Limited
*/
#include <command.h>
#include <dm.h>
#include <fwu.h>
#include <fwu_mdata.h>
#include <hexdump.h>
#include <log.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/types.h>
static void print_mdata(struct fwu_data *data)
{
int i, j;
struct fwu_image_entry *img_entry;
struct fwu_image_bank_info *img_info;
printf("\tFWU Metadata\n");
printf("crc32: %#x\n", data->crc32);
printf("version: %#x\n", data->version);
printf("size: %#x\n", data->metadata_size);
printf("active_index: %#x\n", data->active_index);
printf("previous_active_index: %#x\n", data->previous_active_index);
if (data->version == 2) {
for (i = 0; i < 4; i++)
printf("bank_state[%d]: %#x\n",
i, data->bank_state[i]);
}
printf("\tImage Info\n");
for (i = 0; i < CONFIG_FWU_NUM_IMAGES_PER_BANK; i++) {
img_entry = &data->fwu_images[i];
printf("\nImage Type Guid: %pUL\n",
&img_entry->image_type_guid);
printf("Location Guid: %pUL\n", &img_entry->location_guid);
for (j = 0; j < CONFIG_FWU_NUM_BANKS; j++) {
img_info = &img_entry->img_bank_info[j];
printf("Image Guid: %pUL\n", &img_info->image_guid);
printf("Image Acceptance: %s\n",
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,
int argc, char * const argv[])
{
struct fwu_data *data = fwu_get_data();
print_mdata(data);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
fwu_mdata_read, 1, 1, do_fwu_mdata_read,
"Read and print FWU metadata",
""
);
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