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 --- Changes since V8: None
cmd/Kconfig | 6 ++++ cmd/Makefile | 1 + cmd/fwu_mdata.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 86 insertions(+) create mode 100644 cmd/fwu_mdata.c
diff --git a/cmd/Kconfig b/cmd/Kconfig index 211ebe9c87..3abc60b63e 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -161,6 +161,12 @@ config CMD_CPU internal name) and clock frequency. Other information may be available depending on the CPU driver.
+config CMD_FWU_METADATA + bool "fwu metadata read" + depends on FWU_MULTI_BANK_UPDATE + help + Command to read the metadata and dump it's contents + config CMD_LICENSE bool "license" select BUILD_BIN2C diff --git a/cmd/Makefile b/cmd/Makefile index 6e87522b62..ff6e160f4a 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -76,6 +76,7 @@ obj-$(CONFIG_CMD_FPGA) += fpga.o obj-$(CONFIG_CMD_FPGAD) += fpgad.o obj-$(CONFIG_CMD_FS_GENERIC) += fs.o obj-$(CONFIG_CMD_FUSE) += fuse.o +obj-$(CONFIG_CMD_FWU_METADATA) += fwu_mdata.o obj-$(CONFIG_CMD_GETTIME) += gettime.o obj-$(CONFIG_CMD_GPIO) += gpio.o obj-$(CONFIG_CMD_HVC) += smccc.o diff --git a/cmd/fwu_mdata.c b/cmd/fwu_mdata.c new file mode 100644 index 0000000000..725b4c17d3 --- /dev/null +++ b/cmd/fwu_mdata.c @@ -0,0 +1,79 @@ +/* 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 <log.h> +#include <stdio.h> +#include <stdlib.h> + +#include <linux/types.h> + +static void print_mdata(struct fwu_mdata *mdata) +{ + int i, j; + struct fwu_image_entry *img_entry; + struct fwu_image_bank_info *img_info; + + printf("\tFWU Metadata\n"); + printf("crc32: %#x\n", mdata->crc32); + printf("version: %#x\n", mdata->version); + printf("active_index: %#x\n", mdata->active_index); + printf("previous_active_index: %#x\n", mdata->previous_active_index); + + printf("\tImage Info\n"); + for (i = 0; i < CONFIG_FWU_NUM_IMAGES_PER_BANK; i++) { + img_entry = &mdata->img_entry[i]; + printf("\nImage Type Guid: %pUL\n", + &img_entry->image_type_uuid); + printf("Location Guid: %pUL\n", &img_entry->location_uuid); + 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_uuid); + printf("Image Acceptance: %s\n", + img_info->accepted == 0x1 ? "yes" : "no"); + } + } +} + +int do_fwu_mdata_read(struct cmd_tbl *cmdtp, int flag, + int argc, char * const argv[]) +{ + struct udevice *dev; + int ret = CMD_RET_SUCCESS, res; + struct fwu_mdata mdata = { 0 }; + + if (uclass_get_device(UCLASS_FWU_MDATA, 0, &dev) || !dev) { + log_err("Unable to get FWU metadata device\n"); + return CMD_RET_FAILURE; + } + + res = fwu_mdata_check(dev); + if (res < 0) { + log_err("FWU Metadata check failed\n"); + ret = CMD_RET_FAILURE; + goto out; + } + + res = fwu_get_mdata(dev, &mdata); + if (res < 0) { + log_err("Unable to get valid FWU metadata\n"); + ret = CMD_RET_FAILURE; + goto out; + } + + print_mdata(&mdata); + +out: + return ret; +} + +U_BOOT_CMD( + fwu_mdata_read, 1, 1, do_fwu_mdata_read, + "Read and print FWU metadata", + "" +);