e68c03be46
Add a command to read the metadata as specified in the FWU specification and print the fields of the metadata. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (c) 2022, Linaro Limited
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*/
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#include <command.h>
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#include <dm.h>
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#include <fwu.h>
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#include <fwu_mdata.h>
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#include <log.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <linux/types.h>
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static void print_mdata(struct fwu_mdata *mdata)
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{
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int i, j;
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struct fwu_image_entry *img_entry;
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struct fwu_image_bank_info *img_info;
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printf("\tFWU Metadata\n");
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printf("crc32: %#x\n", mdata->crc32);
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printf("version: %#x\n", mdata->version);
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printf("active_index: %#x\n", mdata->active_index);
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printf("previous_active_index: %#x\n", mdata->previous_active_index);
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printf("\tImage Info\n");
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for (i = 0; i < CONFIG_FWU_NUM_IMAGES_PER_BANK; i++) {
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img_entry = &mdata->img_entry[i];
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printf("\nImage Type Guid: %pUL\n",
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&img_entry->image_type_uuid);
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printf("Location Guid: %pUL\n", &img_entry->location_uuid);
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for (j = 0; j < CONFIG_FWU_NUM_BANKS; j++) {
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img_info = &img_entry->img_bank_info[j];
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printf("Image Guid: %pUL\n", &img_info->image_uuid);
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printf("Image Acceptance: %s\n",
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img_info->accepted == 0x1 ? "yes" : "no");
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}
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}
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}
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int do_fwu_mdata_read(struct cmd_tbl *cmdtp, int flag,
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int argc, char * const argv[])
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{
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struct udevice *dev;
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int ret = CMD_RET_SUCCESS, res;
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struct fwu_mdata mdata = { 0 };
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if (uclass_get_device(UCLASS_FWU_MDATA, 0, &dev) || !dev) {
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log_err("Unable to get FWU metadata device\n");
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return CMD_RET_FAILURE;
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}
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res = fwu_check_mdata_validity();
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if (res < 0) {
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log_err("FWU Metadata check failed\n");
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ret = CMD_RET_FAILURE;
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goto out;
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}
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res = fwu_get_mdata(dev, &mdata);
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if (res < 0) {
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log_err("Unable to get valid FWU metadata\n");
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ret = CMD_RET_FAILURE;
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goto out;
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}
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print_mdata(&mdata);
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out:
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return ret;
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}
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U_BOOT_CMD(
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fwu_mdata_read, 1, 1, do_fwu_mdata_read,
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"Read and print FWU metadata",
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""
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);
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