diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/Kconfig | 10 | ||||
-rw-r--r-- | cmd/Makefile | 1 | ||||
-rw-r--r-- | cmd/vbe.c | 87 |
3 files changed, 98 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 7d19706a8e..211ebe9c87 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -330,6 +330,16 @@ config BOOTM_RTEMS help Support booting RTEMS images via the bootm command. +config CMD_VBE + bool "vbe - Verified Boot for Embedded" + depends on BOOTMETH_VBE + default y + help + Provides various subcommands related to VBE, such as listing the + available methods, looking at the state and changing which method + is used to boot. Updating the parameters is not currently + supported. + config BOOTM_VXWORKS bool "Support booting VxWorks OS images" depends on CMD_BOOTM diff --git a/cmd/Makefile b/cmd/Makefile index 5e43a1e022..6e87522b62 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -179,6 +179,7 @@ obj-$(CONFIG_CMD_FS_UUID) += fs_uuid.o obj-$(CONFIG_CMD_USB_MASS_STORAGE) += usb_mass_storage.o obj-$(CONFIG_CMD_USB_SDP) += usb_gadget_sdp.o obj-$(CONFIG_CMD_THOR_DOWNLOAD) += thordown.o +obj-$(CONFIG_CMD_VBE) += vbe.o obj-$(CONFIG_CMD_XIMG) += ximg.o obj-$(CONFIG_CMD_YAFFS2) += yaffs2.o obj-$(CONFIG_CMD_SPL) += spl.o diff --git a/cmd/vbe.c b/cmd/vbe.c new file mode 100644 index 0000000000..a5737edc04 --- /dev/null +++ b/cmd/vbe.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Verified Boot for Embedded (VBE) command + * + * Copyright 2022 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <common.h> +#include <bootmeth.h> +#include <bootstd.h> +#include <command.h> +#include <vbe.h> + +static int do_vbe_list(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + vbe_list(); + + return 0; +} + +static int do_vbe_select(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct bootstd_priv *std; + struct udevice *dev; + int ret; + + ret = bootstd_get_priv(&std); + if (ret) + return CMD_RET_FAILURE; + if (argc < 2) { + std->vbe_bootmeth = NULL; + return 0; + } + if (vbe_find_by_any(argv[1], &dev)) + return CMD_RET_FAILURE; + + std->vbe_bootmeth = dev; + + return 0; +} + +static int do_vbe_info(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct bootstd_priv *std; + char buf[256]; + int ret, len; + + ret = bootstd_get_priv(&std); + if (ret) + return CMD_RET_FAILURE; + if (!std->vbe_bootmeth) { + printf("No VBE bootmeth selected\n"); + return CMD_RET_FAILURE; + } + ret = bootmeth_get_state_desc(std->vbe_bootmeth, buf, sizeof(buf)); + if (ret) { + printf("Failed (err=%d)\n", ret); + return CMD_RET_FAILURE; + } + len = strnlen(buf, sizeof(buf)); + if (len >= sizeof(buf)) { + printf("Buffer overflow\n"); + return CMD_RET_FAILURE; + } + + puts(buf); + if (buf[len] != '\n') + putc('\n'); + + return 0; +} + +#ifdef CONFIG_SYS_LONGHELP +static char vbe_help_text[] = + "list - list VBE bootmeths\n" + "vbe select - select a VBE bootmeth by sequence or name\n" + "vbe info - show information about a VBE bootmeth"; +#endif + +U_BOOT_CMD_WITH_SUBCMDS(vbe, "Verified Boot for Embedded", vbe_help_text, + U_BOOT_SUBCMD_MKENT(list, 1, 1, do_vbe_list), + U_BOOT_SUBCMD_MKENT(select, 2, 1, do_vbe_select), + U_BOOT_SUBCMD_MKENT(info, 2, 1, do_vbe_info)); |