diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/Kconfig | 15 | ||||
| -rw-r--r-- | cmd/Makefile | 1 | ||||
| -rw-r--r-- | cmd/bdinfo.c | 3 | ||||
| -rw-r--r-- | cmd/bootefi.c | 135 | ||||
| -rw-r--r-- | cmd/dfu.c | 28 | ||||
| -rw-r--r-- | cmd/efidebug.c | 78 | ||||
| -rw-r--r-- | cmd/rng.c | 56 |
7 files changed, 241 insertions, 75 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 4e29e7b3c5..26c6551ed6 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -259,6 +259,13 @@ config CMD_BOOTM help Boot an application image from the memory. +config BOOTM_EFI + bool "Support booting UEFI FIT images" + depends on CMD_BOOTEFI && CMD_BOOTM && FIT + default y + help + Support booting UEFI FIT images via the bootm command. + config CMD_BOOTZ bool "bootz" help @@ -294,6 +301,7 @@ config BOOTM_OPENRTOS config BOOTM_OSE bool "Support booting Enea OSE images" + depends on (ARM && (ARM64 || CPU_V7A || CPU_V7R) || SANDBOX || PPC || X86) depends on CMD_BOOTM help Support booting Enea OSE images via the bootm command. @@ -1665,6 +1673,13 @@ config CMD_GETTIME milliseconds. See also the 'bootstage' command which provides more flexibility for boot timing. +config CMD_RNG + bool "rng command" + depends on DM_RNG + select HEXDUMP + help + Print bytes from the hardware random number generator. + # TODO: rename to CMD_SLEEP config CMD_MISC bool "sleep" diff --git a/cmd/Makefile b/cmd/Makefile index 12e898d962..8df39f3a19 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -117,6 +117,7 @@ obj-$(CONFIG_CMD_READ) += read.o obj-$(CONFIG_CMD_REGINFO) += reginfo.o obj-$(CONFIG_CMD_REISER) += reiser.o obj-$(CONFIG_CMD_REMOTEPROC) += remoteproc.o +obj-$(CONFIG_CMD_RNG) += rng.o obj-$(CONFIG_CMD_ROCKUSB) += rockusb.o obj-$(CONFIG_SANDBOX) += host.o obj-$(CONFIG_CMD_SATA) += sata.o diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c index abd9151432..d6a7175b37 100644 --- a/cmd/bdinfo.c +++ b/cmd/bdinfo.c @@ -349,6 +349,9 @@ static int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, printf("Early malloc usage: %lx / %x\n", gd->malloc_ptr, CONFIG_VAL(SYS_MALLOC_F_LEN)); #endif +#if CONFIG_IS_ENABLED(MULTI_DTB_FIT) + print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit); +#endif if (gd->fdt_blob) print_num("fdt_blob", (ulong)gd->fdt_blob); diff --git a/cmd/bootefi.c b/cmd/bootefi.c index f613cce7e2..56bdff33c6 100644 --- a/cmd/bootefi.c +++ b/cmd/bootefi.c @@ -28,11 +28,13 @@ static struct efi_device_path *bootefi_device_path; /** * Set the load options of an image from an environment variable. * - * @handle: the image handle - * @env_var: name of the environment variable - * Return: status code + * @handle: the image handle + * @env_var: name of the environment variable + * @load_options: pointer to load options (output) + * Return: status code */ -static efi_status_t set_load_options(efi_handle_t handle, const char *env_var) +static efi_status_t set_load_options(efi_handle_t handle, const char *env_var, + u16 **load_options) { struct efi_loaded_image *loaded_image_info; size_t size; @@ -40,6 +42,7 @@ static efi_status_t set_load_options(efi_handle_t handle, const char *env_var) u16 *pos; efi_status_t ret; + *load_options = NULL; ret = EFI_CALL(systab.boottime->open_protocol( handle, &efi_guid_loaded_image, @@ -64,6 +67,7 @@ static efi_status_t set_load_options(efi_handle_t handle, const char *env_var) return EFI_OUT_OF_RESOURCES; } pos = loaded_image_info->load_options; + *load_options = pos; utf8_utf16_strcpy(&pos, env); loaded_image_info->load_options_size = size * 2; @@ -196,58 +200,63 @@ static void *get_config_table(const efi_guid_t *guid) #endif /* !CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE) */ /** - * efi_install_fdt() - install fdt passed by a command argument + * efi_install_fdt() - install device tree * - * If fdt_opt is available, the device tree located at that memory address will + * If fdt_addr is available, the device tree located at that memory address will * will be installed as configuration table, otherwise the device tree located - * at the address indicated by environment variable fdtcontroladdr will be used. + * at the address indicated by environment variable fdt_addr or as fallback + * fdtcontroladdr will be used. * - * On architectures (x86) using ACPI tables device trees shall not be installed - * as configuration table. + * On architectures using ACPI tables device trees shall not be installed as + * configuration table. * - * @fdt_opt: pointer to argument + * @fdt_addr: address of device tree or EFI_FDT_USE_INTERNAL to use the + * the hardware device tree as indicated by environment variable + * fdt_addr or as fallback the internal device tree as indicated by + * the environment variable fdtcontroladdr * Return: status code */ -static efi_status_t efi_install_fdt(const char *fdt_opt) +efi_status_t efi_install_fdt(void *fdt) { /* * The EBBR spec requires that we have either an FDT or an ACPI table * but not both. */ #if CONFIG_IS_ENABLED(GENERATE_ACPI_TABLE) - if (fdt_opt) { + if (fdt) { printf("ERROR: can't have ACPI table and device tree.\n"); return EFI_LOAD_ERROR; } #else - unsigned long fdt_addr; - void *fdt; bootm_headers_t img = { 0 }; efi_status_t ret; - if (fdt_opt) { - fdt_addr = simple_strtoul(fdt_opt, NULL, 16); - if (!fdt_addr) - return EFI_INVALID_PARAMETER; - } else { + if (fdt == EFI_FDT_USE_INTERNAL) { + const char *fdt_opt; + uintptr_t fdt_addr; + /* Look for device tree that is already installed */ if (get_config_table(&efi_guid_fdt)) return EFI_SUCCESS; - /* Use our own device tree as default */ - fdt_opt = env_get("fdtcontroladdr"); + /* Check if there is a hardware device tree */ + fdt_opt = env_get("fdt_addr"); + /* Use our own device tree as fallback */ if (!fdt_opt) { - printf("ERROR: need device tree\n"); - return EFI_NOT_FOUND; + fdt_opt = env_get("fdtcontroladdr"); + if (!fdt_opt) { + printf("ERROR: need device tree\n"); + return EFI_NOT_FOUND; + } } fdt_addr = simple_strtoul(fdt_opt, NULL, 16); if (!fdt_addr) { - printf("ERROR: invalid $fdtcontroladdr\n"); + printf("ERROR: invalid $fdt_addr or $fdtcontroladdr\n"); return EFI_LOAD_ERROR; } + fdt = map_sysmem(fdt_addr, 0); } /* Install device tree */ - fdt = map_sysmem(fdt_addr, 0); if (fdt_check_header(fdt)) { printf("ERROR: invalid device tree\n"); return EFI_LOAD_ERROR; @@ -293,9 +302,10 @@ static efi_status_t do_bootefi_exec(efi_handle_t handle) efi_status_t ret; efi_uintn_t exit_data_size = 0; u16 *exit_data = NULL; + u16 *load_options; /* Transfer environment variable as load options */ - ret = set_load_options(handle, "bootargs"); + ret = set_load_options(handle, "bootargs", &load_options); if (ret != EFI_SUCCESS) return ret; @@ -309,12 +319,7 @@ static efi_status_t do_bootefi_exec(efi_handle_t handle) efi_restore_gd(); - /* - * FIXME: Who is responsible for - * free(loaded_image_info->load_options); - * Once efi_exit() is implemented correctly, - * handle itself doesn't exist here. - */ + free(load_options); return ret; } @@ -355,11 +360,8 @@ static int do_efibootmgr(void) static int do_bootefi_image(const char *image_opt) { void *image_buf; - struct efi_device_path *device_path, *image_path; - struct efi_device_path *file_path = NULL; unsigned long addr, size; const char *size_str; - efi_handle_t mem_handle = NULL, handle; efi_status_t ret; #ifdef CONFIG_CMD_BOOTEFI_HELLO @@ -377,8 +379,10 @@ static int do_bootefi_image(const char *image_opt) image_buf = map_sysmem(addr, size); memcpy(image_buf, __efi_helloworld_begin, size); - device_path = NULL; - image_path = NULL; + efi_free_pool(bootefi_device_path); + efi_free_pool(bootefi_image_path); + bootefi_device_path = NULL; + bootefi_image_path = NULL; } else #endif { @@ -394,19 +398,37 @@ static int do_bootefi_image(const char *image_opt) return CMD_RET_USAGE; image_buf = map_sysmem(addr, size); - - device_path = bootefi_device_path; - image_path = bootefi_image_path; } + ret = efi_run_image(image_buf, size); + + if (ret != EFI_SUCCESS) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} - if (!device_path && !image_path) { +/** + * efi_run_image() - run loaded UEFI image + * + * @source_buffer: memory address of the UEFI image + * @source_size: size of the UEFI image + * Return: status code + */ +efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size) +{ + efi_handle_t mem_handle = NULL, handle; + struct efi_device_path *file_path = NULL; + efi_status_t ret; + + if (!bootefi_device_path || !bootefi_image_path) { /* * Special case for efi payload not loaded from disk, * such as 'bootefi hello' or for example payload * loaded directly into memory via JTAG, etc: */ file_path = efi_dp_from_mem(EFI_RESERVED_MEMORY_TYPE, - (uintptr_t)image_buf, size); + (uintptr_t)source_buffer, + source_size); /* * Make sure that device for device_path exist * in load_image(). Otherwise, shell and grub will fail. @@ -420,12 +442,12 @@ static int do_bootefi_image(const char *image_opt) if (ret != EFI_SUCCESS) goto out; } else { - assert(device_path && image_path); - file_path = efi_dp_append(device_path, image_path); + file_path = efi_dp_append(bootefi_device_path, + bootefi_image_path); } - ret = EFI_CALL(efi_load_image(false, efi_root, - file_path, image_buf, size, &handle)); + ret = EFI_CALL(efi_load_image(false, efi_root, file_path, source_buffer, + source_size, &handle)); if (ret != EFI_SUCCESS) goto out; @@ -436,11 +458,7 @@ out: efi_delete_handle(mem_handle); if (file_path) efi_free_pool(file_path); - - if (ret != EFI_SUCCESS) - return CMD_RET_FAILURE; - - return CMD_RET_SUCCESS; + return ret; } #ifdef CONFIG_CMD_BOOTEFI_SELFTEST @@ -451,6 +469,7 @@ static efi_status_t bootefi_run_prepare(const char *load_options_path, struct efi_loaded_image **loaded_image_infop) { efi_status_t ret; + u16 *load_options; ret = efi_setup_loaded_image(device_path, image_path, image_objp, loaded_image_infop); @@ -458,7 +477,8 @@ static efi_status_t bootefi_run_prepare(const char *load_options_path, return ret; /* Transfer environment variable as load options */ - return set_load_options((efi_handle_t)*image_objp, load_options_path); + return set_load_options((efi_handle_t)*image_objp, load_options_path, + &load_options); } /** @@ -556,6 +576,7 @@ static int do_efi_selftest(void) static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { efi_status_t ret; + void *fdt; if (argc < 2) return CMD_RET_USAGE; @@ -568,7 +589,15 @@ static int do_bootefi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return CMD_RET_FAILURE; } - ret = efi_install_fdt(argc > 2 ? argv[2] : NULL); + if (argc > 2) { + uintptr_t fdt_addr; + + fdt_addr = simple_strtoul(argv[2], NULL, 16); + fdt = map_sysmem(fdt_addr, 0); + } else { + fdt = EFI_FDT_USE_INTERNAL; + } + ret = efi_install_fdt(fdt); if (ret == EFI_INVALID_PARAMETER) return CMD_RET_USAGE; else if (ret != EFI_SUCCESS) @@ -30,28 +30,35 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #if defined(CONFIG_DFU_OVER_USB) || defined(CONFIG_DFU_OVER_TFTP) char *interface = NULL; char *devstring = NULL; +#if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP) + unsigned long value = 0; +#endif if (argc >= 4) { interface = argv[2]; devstring = argv[3]; } + +#if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP) + if (argc == 5 || argc == 3) + value = simple_strtoul(argv[argc - 1], NULL, 0); +#endif #endif int ret = 0; #ifdef CONFIG_DFU_OVER_TFTP - unsigned long addr = 0; - if (!strcmp(argv[1], "tftp")) { - if (argc == 5 || argc == 3) - addr = simple_strtoul(argv[argc - 1], NULL, 0); - - return update_tftp(addr, interface, devstring); - } + if (!strcmp(argv[1], "tftp")) + return update_tftp(value, interface, devstring); #endif #ifdef CONFIG_DFU_OVER_USB ret = dfu_init_env_entities(interface, devstring); if (ret) goto done; +#ifdef CONFIG_DFU_TIMEOUT + dfu_set_timeout(value * 1000); +#endif + ret = CMD_RET_SUCCESS; if (strcmp(argv[argc - 1], "list") == 0) { dfu_show_entities(); @@ -72,10 +79,17 @@ U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu, "Device Firmware Upgrade", "" #ifdef CONFIG_DFU_OVER_USB +#ifdef CONFIG_DFU_TIMEOUT + "<USB_controller> [<interface> <dev>] [<timeout>] [list]\n" +#else "<USB_controller> [<interface> <dev>] [list]\n" +#endif " - device firmware upgrade via <USB_controller>\n" " on device <dev>, attached to interface\n" " <interface>\n" +#ifdef CONFIG_DFU_TIMEOUT + " [<timeout>] - specify inactivity timeout in seconds\n" +#endif " [list] - list available alt settings\n" #endif #ifdef CONFIG_DFU_OVER_TFTP diff --git a/cmd/efidebug.c b/cmd/efidebug.c index 1fff4390de..576e95b395 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( diff --git a/cmd/rng.c b/cmd/rng.c new file mode 100644 index 0000000000..36ca7a101c --- /dev/null +++ b/cmd/rng.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * The 'rng' command prints bytes from the hardware random number generator. + * + * Copyright (c) 2019, Heinrich Schuchardt <xypron.glpk@gmx.de> + */ +#include <common.h> +#include <command.h> +#include <dm.h> +#include <hexdump.h> +#include <rng.h> + +static int do_rng(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + size_t n = 0x40; + struct udevice *dev; + void *buf; + int ret = CMD_RET_SUCCESS; + + if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) { + printf("No RNG device\n"); + return CMD_RET_FAILURE; + } + + if (argc >= 2) + n = simple_strtoul(argv[1], NULL, 16); + + buf = malloc(n); + if (!buf) { + printf("Out of memory\n"); + return CMD_RET_FAILURE; + } + + if (dm_rng_read(dev, buf, n)) { + printf("Reading RNG failed\n"); + ret = CMD_RET_FAILURE; + } else { + print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, n); + } + + free(buf); + + return ret; +} + +#ifdef CONFIG_SYS_LONGHELP +static char rng_help_text[] = + "[n]\n" + " - print n random bytes\n"; +#endif + +U_BOOT_CMD( + rng, 2, 0, do_rng, + "print bytes from the hardware random number generator", + rng_help_text +); |