diff options
Diffstat (limited to 'cmd/efidebug.c')
| -rw-r--r-- | cmd/efidebug.c | 78 |
1 files changed, 63 insertions, 15 deletions
diff --git a/cmd/efidebug.c b/cmd/efidebug.c index 1fff4390dea..576e95b395d 100644 --- a/cmd/efidebug.c +++ b/cmd/efidebug.c @@ -251,27 +251,43 @@ static const struct { "PXE Base Code", EFI_PXE_BASE_CODE_PROTOCOL_GUID, }, + /* Configuration table GUIDs */ + { + "ACPI table", + EFI_ACPI_TABLE_GUID, + }, + { + "device tree", + EFI_FDT_GUID, + }, + { + "SMBIOS table", + SMBIOS_TABLE_GUID, + }, }; /** - * get_guid_text - get string of protocol guid - * @guid: Protocol guid - * Return: String + * get_guid_text - get string of GUID + * + * Return description of GUID. * - * Return string for display to represent the protocol. + * @guid: GUID + * Return: description of GUID or NULL */ -static const char *get_guid_text(const efi_guid_t *guid) +static const char *get_guid_text(const void *guid) { int i; - for (i = 0; i < ARRAY_SIZE(guid_list); i++) + for (i = 0; i < ARRAY_SIZE(guid_list); i++) { + /* + * As guidcmp uses memcmp() we can safely accept unaligned + * GUIDs. + */ if (!guidcmp(&guid_list[i].guid, guid)) - break; + return guid_list[i].text; + } - if (i != ARRAY_SIZE(guid_list)) - return guid_list[i].text; - else - return NULL; + return NULL; } /** @@ -478,6 +494,34 @@ static int do_efi_show_memmap(cmd_tbl_t *cmdtp, int flag, } /** + * do_efi_show_tables() - show UEFI configuration tables + * + * @cmdtp: Command table + * @flag: Command flag + * @argc: Number of arguments + * @argv: Argument array + * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure + * + * Implement efidebug "tables" sub-command. + * Show UEFI configuration tables. + */ +static int do_efi_show_tables(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + efi_uintn_t i; + const char *guid_str; + + for (i = 0; i < systab.nr_tables; ++i) { + guid_str = get_guid_text(&systab.tables[i].guid); + if (!guid_str) + guid_str = ""; + printf("%pUl %s\n", &systab.tables[i].guid, guid_str); + } + + return CMD_RET_SUCCESS; +} + +/** * do_efi_boot_add() - set UEFI load option * * @cmdtp: Command table @@ -1044,6 +1088,8 @@ static cmd_tbl_t cmd_efidebug_sub[] = { "", ""), U_BOOT_CMD_MKENT(memmap, CONFIG_SYS_MAXARGS, 1, do_efi_show_memmap, "", ""), + U_BOOT_CMD_MKENT(tables, CONFIG_SYS_MAXARGS, 1, do_efi_show_tables, + "", ""), }; /** @@ -1103,15 +1149,17 @@ static char efidebug_help_text[] = " - set/show UEFI boot order\n" "\n" "efidebug devices\n" - " - show uefi devices\n" + " - show UEFI devices\n" "efidebug drivers\n" - " - show uefi drivers\n" + " - show UEFI drivers\n" "efidebug dh\n" - " - show uefi handles\n" + " - show UEFI handles\n" "efidebug images\n" " - show loaded images\n" "efidebug memmap\n" - " - show uefi memory map\n"; + " - show UEFI memory map\n" + "efidebug tables\n" + " - show UEFI configuration tables\n"; #endif U_BOOT_CMD( |