blob: c1bb76477a6709a6f159c3294e4be109d6480bcb [file] [log] [blame]
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001// SPDX-License-Identifier: GPL-2.0+
2/*
3 * UEFI Shell-like command
4 *
5 * Copyright (c) 2018 AKASHI Takahiro, Linaro Limited
6 */
7
8#include <charset.h>
9#include <common.h>
10#include <command.h>
11#include <efi_loader.h>
AKASHI Takahiro59df7e72019-02-25 15:54:38 +090012#include <exports.h>
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +020013#include <hexdump.h>
AKASHI Takahiro59df7e72019-02-25 15:54:38 +090014#include <malloc.h>
Heinrich Schuchardta415d612020-03-14 08:44:07 +010015#include <mapmem.h>
AKASHI Takahiro59df7e72019-02-25 15:54:38 +090016#include <search.h>
17#include <linux/ctype.h>
18
AKASHI Takahiro355cdb52019-02-25 15:54:39 +090019#define BS systab.boottime
AKASHI Takahiro59df7e72019-02-25 15:54:38 +090020#define RT systab.runtime
21
22/**
AKASHI Takahiro355cdb52019-02-25 15:54:39 +090023 * efi_get_device_handle_info() - get information of UEFI device
24 *
25 * @handle: Handle of UEFI device
26 * @dev_path_text: Pointer to text of device path
27 * Return: 0 on success, -1 on failure
28 *
29 * Currently return a formatted text of device path.
30 */
31static int efi_get_device_handle_info(efi_handle_t handle, u16 **dev_path_text)
32{
33 struct efi_device_path *dp;
34 efi_status_t ret;
35
36 ret = EFI_CALL(BS->open_protocol(handle, &efi_guid_device_path,
37 (void **)&dp, NULL /* FIXME */, NULL,
38 EFI_OPEN_PROTOCOL_GET_PROTOCOL));
39 if (ret == EFI_SUCCESS) {
40 *dev_path_text = efi_dp_str(dp);
41 return 0;
42 } else {
43 return -1;
44 }
45}
46
47#define EFI_HANDLE_WIDTH ((int)sizeof(efi_handle_t) * 2)
48
49static const char spc[] = " ";
50static const char sep[] = "================";
51
52/**
53 * do_efi_show_devices() - show UEFI devices
54 *
55 * @cmdtp: Command table
56 * @flag: Command flag
57 * @argc: Number of arguments
58 * @argv: Argument array
59 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
60 *
61 * Implement efidebug "devices" sub-command.
62 * Show all UEFI devices and their information.
63 */
64static int do_efi_show_devices(cmd_tbl_t *cmdtp, int flag,
65 int argc, char * const argv[])
66{
67 efi_handle_t *handles;
68 efi_uintn_t num, i;
69 u16 *dev_path_text;
70 efi_status_t ret;
71
72 ret = EFI_CALL(BS->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
73 &num, &handles));
74 if (ret != EFI_SUCCESS)
75 return CMD_RET_FAILURE;
76
77 if (!num)
78 return CMD_RET_SUCCESS;
79
80 printf("Device%.*s Device Path\n", EFI_HANDLE_WIDTH - 6, spc);
81 printf("%.*s ====================\n", EFI_HANDLE_WIDTH, sep);
82 for (i = 0; i < num; i++) {
83 if (!efi_get_device_handle_info(handles[i], &dev_path_text)) {
84 printf("%p %ls\n", handles[i], dev_path_text);
85 efi_free_pool(dev_path_text);
86 }
87 }
88
89 EFI_CALL(BS->free_pool(handles));
90
91 return CMD_RET_SUCCESS;
92}
93
94/**
AKASHI Takahiro66eaf562019-02-25 15:54:40 +090095 * efi_get_driver_handle_info() - get information of UEFI driver
96 *
97 * @handle: Handle of UEFI device
98 * @driver_name: Driver name
99 * @image_path: Pointer to text of device path
100 * Return: 0 on success, -1 on failure
101 *
102 * Currently return no useful information as all UEFI drivers are
103 * built-in..
104 */
105static int efi_get_driver_handle_info(efi_handle_t handle, u16 **driver_name,
106 u16 **image_path)
107{
108 struct efi_handler *handler;
109 struct efi_loaded_image *image;
110 efi_status_t ret;
111
112 /*
113 * driver name
114 * TODO: support EFI_COMPONENT_NAME2_PROTOCOL
115 */
116 *driver_name = NULL;
117
118 /* image name */
119 ret = efi_search_protocol(handle, &efi_guid_loaded_image, &handler);
120 if (ret != EFI_SUCCESS) {
121 *image_path = NULL;
122 return 0;
123 }
124
125 image = handler->protocol_interface;
126 *image_path = efi_dp_str(image->file_path);
127
128 return 0;
129}
130
131/**
132 * do_efi_show_drivers() - show UEFI drivers
133 *
134 * @cmdtp: Command table
135 * @flag: Command flag
136 * @argc: Number of arguments
137 * @argv: Argument array
138 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
139 *
140 * Implement efidebug "drivers" sub-command.
141 * Show all UEFI drivers and their information.
142 */
143static int do_efi_show_drivers(cmd_tbl_t *cmdtp, int flag,
144 int argc, char * const argv[])
145{
146 efi_handle_t *handles;
147 efi_uintn_t num, i;
148 u16 *driver_name, *image_path_text;
149 efi_status_t ret;
150
151 ret = EFI_CALL(BS->locate_handle_buffer(
152 BY_PROTOCOL, &efi_guid_driver_binding_protocol,
153 NULL, &num, &handles));
154 if (ret != EFI_SUCCESS)
155 return CMD_RET_FAILURE;
156
157 if (!num)
158 return CMD_RET_SUCCESS;
159
160 printf("Driver%.*s Name Image Path\n",
161 EFI_HANDLE_WIDTH - 6, spc);
162 printf("%.*s ==================== ====================\n",
163 EFI_HANDLE_WIDTH, sep);
164 for (i = 0; i < num; i++) {
165 if (!efi_get_driver_handle_info(handles[i], &driver_name,
166 &image_path_text)) {
167 if (image_path_text)
168 printf("%p %-20ls %ls\n", handles[i],
169 driver_name, image_path_text);
170 else
171 printf("%p %-20ls <built-in>\n",
172 handles[i], driver_name);
173 EFI_CALL(BS->free_pool(driver_name));
174 EFI_CALL(BS->free_pool(image_path_text));
175 }
176 }
177
178 EFI_CALL(BS->free_pool(handles));
179
180 return CMD_RET_SUCCESS;
181}
182
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900183static const struct {
184 const char *text;
185 const efi_guid_t guid;
186} guid_list[] = {
187 {
188 "Device Path",
Heinrich Schuchardtdec88e42019-04-20 07:39:11 +0200189 EFI_DEVICE_PATH_PROTOCOL_GUID,
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900190 },
191 {
192 "Device Path To Text",
193 EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID,
194 },
195 {
196 "Device Path Utilities",
197 EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID,
198 },
199 {
200 "Unicode Collation 2",
201 EFI_UNICODE_COLLATION_PROTOCOL2_GUID,
202 },
203 {
204 "Driver Binding",
205 EFI_DRIVER_BINDING_PROTOCOL_GUID,
206 },
207 {
208 "Simple Text Input",
209 EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID,
210 },
211 {
212 "Simple Text Input Ex",
213 EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID,
214 },
215 {
216 "Simple Text Output",
217 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID,
218 },
219 {
220 "Block IO",
Heinrich Schuchardtdec88e42019-04-20 07:39:11 +0200221 EFI_BLOCK_IO_PROTOCOL_GUID,
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900222 },
223 {
224 "Simple File System",
225 EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID,
226 },
227 {
228 "Loaded Image",
Heinrich Schuchardtdec88e42019-04-20 07:39:11 +0200229 EFI_LOADED_IMAGE_PROTOCOL_GUID,
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900230 },
231 {
Heinrich Schuchardtdec88e42019-04-20 07:39:11 +0200232 "Graphics Output",
233 EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID,
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900234 },
Heinrich Schuchardt391bc8a2019-04-20 07:57:28 +0200235 {
236 "HII String",
237 EFI_HII_STRING_PROTOCOL_GUID,
238 },
239 {
240 "HII Database",
241 EFI_HII_DATABASE_PROTOCOL_GUID,
242 },
243 {
244 "HII Config Routing",
245 EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID,
246 },
247 {
Ilias Apalodimasec80b472020-02-21 09:55:45 +0200248 "Load File2",
249 EFI_LOAD_FILE2_PROTOCOL_GUID,
250 },
251 {
Heinrich Schuchardt391bc8a2019-04-20 07:57:28 +0200252 "Simple Network",
253 EFI_SIMPLE_NETWORK_PROTOCOL_GUID,
254 },
255 {
256 "PXE Base Code",
257 EFI_PXE_BASE_CODE_PROTOCOL_GUID,
258 },
Heinrich Schuchardt986e0642020-01-07 05:57:47 +0100259 /* Configuration table GUIDs */
260 {
261 "ACPI table",
262 EFI_ACPI_TABLE_GUID,
263 },
264 {
265 "device tree",
266 EFI_FDT_GUID,
267 },
268 {
269 "SMBIOS table",
270 SMBIOS_TABLE_GUID,
271 },
Heinrich Schuchardt76be6872020-02-19 20:48:49 +0100272 {
273 "Runtime properties",
274 EFI_RT_PROPERTIES_TABLE_GUID,
275 },
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900276};
277
278/**
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100279 * get_guid_text - get string of GUID
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900280 *
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100281 * Return description of GUID.
282 *
283 * @guid: GUID
284 * Return: description of GUID or NULL
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900285 */
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100286static const char *get_guid_text(const void *guid)
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900287{
288 int i;
289
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100290 for (i = 0; i < ARRAY_SIZE(guid_list); i++) {
291 /*
292 * As guidcmp uses memcmp() we can safely accept unaligned
293 * GUIDs.
294 */
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900295 if (!guidcmp(&guid_list[i].guid, guid))
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100296 return guid_list[i].text;
297 }
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900298
Heinrich Schuchardt173cd9e2020-01-07 06:02:33 +0100299 return NULL;
AKASHI Takahiroa8014622019-02-25 15:54:41 +0900300}
301
302/**
303 * do_efi_show_handles() - show UEFI handles
304 *
305 * @cmdtp: Command table
306 * @flag: Command flag
307 * @argc: Number of arguments
308 * @argv: Argument array
309 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
310 *
311 * Implement efidebug "dh" sub-command.
312 * Show all UEFI handles and their information, currently all protocols
313 * added to handle.
314 */
315static int do_efi_show_handles(cmd_tbl_t *cmdtp, int flag,
316 int argc, char * const argv[])
317{
318 efi_handle_t *handles;
319 efi_guid_t **guid;
320 efi_uintn_t num, count, i, j;
321 const char *guid_text;
322 efi_status_t ret;
323
324 ret = EFI_CALL(BS->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
325 &num, &handles));
326 if (ret != EFI_SUCCESS)
327 return CMD_RET_FAILURE;
328
329 if (!num)
330 return CMD_RET_SUCCESS;
331
332 printf("Handle%.*s Protocols\n", EFI_HANDLE_WIDTH - 6, spc);
333 printf("%.*s ====================\n", EFI_HANDLE_WIDTH, sep);
334 for (i = 0; i < num; i++) {
335 printf("%p", handles[i]);
336 ret = EFI_CALL(BS->protocols_per_handle(handles[i], &guid,
337 &count));
338 if (ret || !count) {
339 putc('\n');
340 continue;
341 }
342
343 for (j = 0; j < count; j++) {
344 if (j)
345 printf(", ");
346 else
347 putc(' ');
348
349 guid_text = get_guid_text(guid[j]);
350 if (guid_text)
351 puts(guid_text);
352 else
353 printf("%pUl", guid[j]);
354 }
355 putc('\n');
356 }
357
358 EFI_CALL(BS->free_pool(handles));
359
360 return CMD_RET_SUCCESS;
361}
362
AKASHI Takahiro66eaf562019-02-25 15:54:40 +0900363/**
AKASHI Takahirofa536732019-02-25 15:54:42 +0900364 * do_efi_show_images() - show UEFI images
365 *
366 * @cmdtp: Command table
367 * @flag: Command flag
368 * @argc: Number of arguments
369 * @argv: Argument array
370 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
371 *
372 * Implement efidebug "images" sub-command.
373 * Show all UEFI loaded images and their information.
374 */
375static int do_efi_show_images(cmd_tbl_t *cmdtp, int flag,
376 int argc, char * const argv[])
377{
378 efi_print_image_infos(NULL);
379
380 return CMD_RET_SUCCESS;
381}
382
AKASHI Takahiro00358bb2019-02-25 15:54:43 +0900383static const char * const efi_mem_type_string[] = {
384 [EFI_RESERVED_MEMORY_TYPE] = "RESERVED",
385 [EFI_LOADER_CODE] = "LOADER CODE",
386 [EFI_LOADER_DATA] = "LOADER DATA",
387 [EFI_BOOT_SERVICES_CODE] = "BOOT CODE",
388 [EFI_BOOT_SERVICES_DATA] = "BOOT DATA",
389 [EFI_RUNTIME_SERVICES_CODE] = "RUNTIME CODE",
390 [EFI_RUNTIME_SERVICES_DATA] = "RUNTIME DATA",
391 [EFI_CONVENTIONAL_MEMORY] = "CONVENTIONAL",
392 [EFI_UNUSABLE_MEMORY] = "UNUSABLE MEM",
393 [EFI_ACPI_RECLAIM_MEMORY] = "ACPI RECLAIM MEM",
394 [EFI_ACPI_MEMORY_NVS] = "ACPI NVS",
395 [EFI_MMAP_IO] = "IO",
396 [EFI_MMAP_IO_PORT] = "IO PORT",
397 [EFI_PAL_CODE] = "PAL",
398};
399
400static const struct efi_mem_attrs {
401 const u64 bit;
402 const char *text;
403} efi_mem_attrs[] = {
404 {EFI_MEMORY_UC, "UC"},
405 {EFI_MEMORY_UC, "UC"},
406 {EFI_MEMORY_WC, "WC"},
407 {EFI_MEMORY_WT, "WT"},
408 {EFI_MEMORY_WB, "WB"},
409 {EFI_MEMORY_UCE, "UCE"},
410 {EFI_MEMORY_WP, "WP"},
411 {EFI_MEMORY_RP, "RP"},
412 {EFI_MEMORY_XP, "WP"},
413 {EFI_MEMORY_NV, "NV"},
414 {EFI_MEMORY_MORE_RELIABLE, "REL"},
415 {EFI_MEMORY_RO, "RO"},
416 {EFI_MEMORY_RUNTIME, "RT"},
417};
418
419/**
420 * print_memory_attributes() - print memory map attributes
Heinrich Schuchardt0b016562019-07-14 14:00:41 +0200421 *
AKASHI Takahiro00358bb2019-02-25 15:54:43 +0900422 * @attributes: Attribute value
423 *
424 * Print memory map attributes
425 */
426static void print_memory_attributes(u64 attributes)
427{
428 int sep, i;
429
430 for (sep = 0, i = 0; i < ARRAY_SIZE(efi_mem_attrs); i++)
431 if (attributes & efi_mem_attrs[i].bit) {
432 if (sep) {
433 putc('|');
434 } else {
435 putc(' ');
436 sep = 1;
437 }
438 puts(efi_mem_attrs[i].text);
439 }
440}
441
442#define EFI_PHYS_ADDR_WIDTH (int)(sizeof(efi_physical_addr_t) * 2)
443
444/**
445 * do_efi_show_memmap() - show UEFI memory map
446 *
447 * @cmdtp: Command table
448 * @flag: Command flag
449 * @argc: Number of arguments
450 * @argv: Argument array
451 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
452 *
453 * Implement efidebug "memmap" sub-command.
454 * Show UEFI memory map.
455 */
456static int do_efi_show_memmap(cmd_tbl_t *cmdtp, int flag,
457 int argc, char * const argv[])
458{
459 struct efi_mem_desc *memmap = NULL, *map;
460 efi_uintn_t map_size = 0;
461 const char *type;
462 int i;
463 efi_status_t ret;
464
465 ret = EFI_CALL(BS->get_memory_map(&map_size, memmap, NULL, NULL, NULL));
466 if (ret == EFI_BUFFER_TOO_SMALL) {
467 map_size += sizeof(struct efi_mem_desc); /* for my own */
468 ret = EFI_CALL(BS->allocate_pool(EFI_LOADER_DATA,
469 map_size, (void *)&memmap));
470 if (ret != EFI_SUCCESS)
471 return CMD_RET_FAILURE;
472 ret = EFI_CALL(BS->get_memory_map(&map_size, memmap,
473 NULL, NULL, NULL));
474 }
475 if (ret != EFI_SUCCESS) {
476 EFI_CALL(BS->free_pool(memmap));
477 return CMD_RET_FAILURE;
478 }
479
480 printf("Type Start%.*s End%.*s Attributes\n",
481 EFI_PHYS_ADDR_WIDTH - 5, spc, EFI_PHYS_ADDR_WIDTH - 3, spc);
482 printf("================ %.*s %.*s ==========\n",
483 EFI_PHYS_ADDR_WIDTH, sep, EFI_PHYS_ADDR_WIDTH, sep);
484 for (i = 0, map = memmap; i < map_size / sizeof(*map); map++, i++) {
485 if (map->type < EFI_MAX_MEMORY_TYPE)
486 type = efi_mem_type_string[map->type];
487 else
488 type = "(unknown)";
489
490 printf("%-16s %.*llx-%.*llx", type,
491 EFI_PHYS_ADDR_WIDTH,
Heinrich Schuchardt6c0ef352020-03-27 04:33:17 +0000492 (u64)map_to_sysmem((void *)(uintptr_t)
493 map->physical_start),
AKASHI Takahiro00358bb2019-02-25 15:54:43 +0900494 EFI_PHYS_ADDR_WIDTH,
Heinrich Schuchardt6c0ef352020-03-27 04:33:17 +0000495 (u64)map_to_sysmem((void *)(uintptr_t)
496 (map->physical_start +
497 map->num_pages * EFI_PAGE_SIZE)));
AKASHI Takahiro00358bb2019-02-25 15:54:43 +0900498
499 print_memory_attributes(map->attribute);
500 putc('\n');
501 }
502
503 EFI_CALL(BS->free_pool(memmap));
504
505 return CMD_RET_SUCCESS;
506}
507
AKASHI Takahirofa536732019-02-25 15:54:42 +0900508/**
Heinrich Schuchardt986e0642020-01-07 05:57:47 +0100509 * do_efi_show_tables() - show UEFI configuration tables
510 *
511 * @cmdtp: Command table
512 * @flag: Command flag
513 * @argc: Number of arguments
514 * @argv: Argument array
515 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
516 *
517 * Implement efidebug "tables" sub-command.
518 * Show UEFI configuration tables.
519 */
520static int do_efi_show_tables(cmd_tbl_t *cmdtp, int flag,
521 int argc, char * const argv[])
522{
523 efi_uintn_t i;
524 const char *guid_str;
525
526 for (i = 0; i < systab.nr_tables; ++i) {
527 guid_str = get_guid_text(&systab.tables[i].guid);
528 if (!guid_str)
529 guid_str = "";
530 printf("%pUl %s\n", &systab.tables[i].guid, guid_str);
531 }
532
533 return CMD_RET_SUCCESS;
534}
535
536/**
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900537 * do_efi_boot_add() - set UEFI load option
538 *
539 * @cmdtp: Command table
540 * @flag: Command flag
541 * @argc: Number of arguments
542 * @argv: Argument array
543 * Return: CMD_RET_SUCCESS on success,
544 * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
545 *
Heinrich Schuchardt0b016562019-07-14 14:00:41 +0200546 * Implement efidebug "boot add" sub-command. Create or change UEFI load option.
547 *
548 * efidebug boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900549 */
550static int do_efi_boot_add(cmd_tbl_t *cmdtp, int flag,
551 int argc, char * const argv[])
552{
553 int id;
554 char *endp;
555 char var_name[9];
556 u16 var_name16[9], *p;
557 efi_guid_t guid;
558 size_t label_len, label_len16;
559 u16 *label;
560 struct efi_device_path *device_path = NULL, *file_path = NULL;
561 struct efi_load_option lo;
562 void *data = NULL;
563 efi_uintn_t size;
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200564 efi_status_t ret;
Heinrich Schuchardta332f252019-06-20 12:59:45 +0200565 int r = CMD_RET_SUCCESS;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900566
567 if (argc < 6 || argc > 7)
568 return CMD_RET_USAGE;
569
570 id = (int)simple_strtoul(argv[1], &endp, 16);
571 if (*endp != '\0' || id > 0xffff)
Heinrich Schuchardt1fa442e2019-02-28 20:41:58 +0100572 return CMD_RET_USAGE;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900573
574 sprintf(var_name, "Boot%04X", id);
575 p = var_name16;
576 utf8_utf16_strncpy(&p, var_name, 9);
577
578 guid = efi_global_variable_guid;
579
580 /* attributes */
581 lo.attributes = LOAD_OPTION_ACTIVE; /* always ACTIVE */
582
583 /* label */
584 label_len = strlen(argv[2]);
585 label_len16 = utf8_utf16_strnlen(argv[2], label_len);
586 label = malloc((label_len16 + 1) * sizeof(u16));
587 if (!label)
588 return CMD_RET_FAILURE;
589 lo.label = label; /* label will be changed below */
590 utf8_utf16_strncpy(&label, argv[2], label_len);
591
592 /* file path */
593 ret = efi_dp_from_name(argv[3], argv[4], argv[5], &device_path,
594 &file_path);
595 if (ret != EFI_SUCCESS) {
596 printf("Cannot create device path for \"%s %s\"\n",
597 argv[3], argv[4]);
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200598 r = CMD_RET_FAILURE;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900599 goto out;
600 }
601 lo.file_path = file_path;
602 lo.file_path_length = efi_dp_size(file_path)
603 + sizeof(struct efi_device_path); /* for END */
604
605 /* optional data */
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200606 if (argc < 6)
607 lo.optional_data = NULL;
608 else
609 lo.optional_data = (const u8 *)argv[6];
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900610
611 size = efi_serialize_load_option(&lo, (u8 **)&data);
612 if (!size) {
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200613 r = CMD_RET_FAILURE;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900614 goto out;
615 }
616
617 ret = EFI_CALL(RT->set_variable(var_name16, &guid,
AKASHI Takahirof658c2e2019-06-04 15:52:10 +0900618 EFI_VARIABLE_NON_VOLATILE |
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900619 EFI_VARIABLE_BOOTSERVICE_ACCESS |
620 EFI_VARIABLE_RUNTIME_ACCESS,
621 size, data));
Heinrich Schuchardta332f252019-06-20 12:59:45 +0200622 if (ret != EFI_SUCCESS) {
623 printf("Cannot set %ls\n", var_name16);
624 r = CMD_RET_FAILURE;
625 }
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900626out:
627 free(data);
628 efi_free_pool(device_path);
629 efi_free_pool(file_path);
630 free(lo.label);
631
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200632 return r;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900633}
634
635/**
636 * do_efi_boot_rm() - delete UEFI load options
637 *
638 * @cmdtp: Command table
639 * @flag: Command flag
640 * @argc: Number of arguments
641 * @argv: Argument array
642 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
643 *
644 * Implement efidebug "boot rm" sub-command.
645 * Delete UEFI load options.
Heinrich Schuchardt0b016562019-07-14 14:00:41 +0200646 *
647 * efidebug boot rm <id> ...
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900648 */
649static int do_efi_boot_rm(cmd_tbl_t *cmdtp, int flag,
650 int argc, char * const argv[])
651{
652 efi_guid_t guid;
653 int id, i;
654 char *endp;
655 char var_name[9];
AKASHI Takahiroe8bced62020-02-28 09:05:04 +0900656 u16 var_name16[9], *p;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900657 efi_status_t ret;
658
659 if (argc == 1)
660 return CMD_RET_USAGE;
661
662 guid = efi_global_variable_guid;
663 for (i = 1; i < argc; i++, argv++) {
664 id = (int)simple_strtoul(argv[1], &endp, 16);
665 if (*endp != '\0' || id > 0xffff)
666 return CMD_RET_FAILURE;
667
668 sprintf(var_name, "Boot%04X", id);
AKASHI Takahiroe8bced62020-02-28 09:05:04 +0900669 p = var_name16;
670 utf8_utf16_strncpy(&p, var_name, 9);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900671
672 ret = EFI_CALL(RT->set_variable(var_name16, &guid, 0, 0, NULL));
673 if (ret) {
Heinrich Schuchardt30efb5d2020-03-02 20:13:10 +0100674 printf("Cannot remove %ls\n", var_name16);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900675 return CMD_RET_FAILURE;
676 }
677 }
678
679 return CMD_RET_SUCCESS;
680}
681
682/**
683 * show_efi_boot_opt_data() - dump UEFI load option
684 *
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200685 * @id: load option number
686 * @data: value of UEFI load option variable
687 * @size: size of the boot option
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900688 *
689 * Decode the value of UEFI load option variable and print information.
690 */
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200691static void show_efi_boot_opt_data(int id, void *data, size_t size)
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900692{
693 struct efi_load_option lo;
694 char *label, *p;
695 size_t label_len16, label_len;
696 u16 *dp_str;
697
698 efi_deserialize_load_option(&lo, data);
699
700 label_len16 = u16_strlen(lo.label);
701 label_len = utf16_utf8_strnlen(lo.label, label_len16);
702 label = malloc(label_len + 1);
703 if (!label)
704 return;
705 p = label;
706 utf16_utf8_strncpy(&p, lo.label, label_len16);
707
708 printf("Boot%04X:\n", id);
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200709 printf(" attributes: %c%c%c (0x%08x)\n",
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900710 /* ACTIVE */
711 lo.attributes & LOAD_OPTION_ACTIVE ? 'A' : '-',
712 /* FORCE RECONNECT */
713 lo.attributes & LOAD_OPTION_FORCE_RECONNECT ? 'R' : '-',
714 /* HIDDEN */
715 lo.attributes & LOAD_OPTION_HIDDEN ? 'H' : '-',
716 lo.attributes);
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200717 printf(" label: %s\n", label);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900718
719 dp_str = efi_dp_str(lo.file_path);
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200720 printf(" file_path: %ls\n", dp_str);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900721 efi_free_pool(dp_str);
722
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200723 printf(" data:\n");
724 print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
725 lo.optional_data, size + (u8 *)data -
726 (u8 *)lo.optional_data, true);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900727 free(label);
728}
729
730/**
731 * show_efi_boot_opt() - dump UEFI load option
732 *
733 * @id: Load option number
734 *
735 * Dump information defined by UEFI load option.
736 */
737static void show_efi_boot_opt(int id)
738{
739 char var_name[9];
740 u16 var_name16[9], *p;
741 efi_guid_t guid;
742 void *data = NULL;
743 efi_uintn_t size;
AKASHI Takahiro0bffb8c2019-11-26 10:11:22 +0900744 efi_status_t ret;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900745
746 sprintf(var_name, "Boot%04X", id);
747 p = var_name16;
748 utf8_utf16_strncpy(&p, var_name, 9);
749 guid = efi_global_variable_guid;
750
751 size = 0;
752 ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size, NULL));
AKASHI Takahiro0bffb8c2019-11-26 10:11:22 +0900753 if (ret == EFI_BUFFER_TOO_SMALL) {
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900754 data = malloc(size);
755 ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
756 data));
757 }
758 if (ret == EFI_SUCCESS)
Heinrich Schuchardt39a1ff82019-04-29 13:51:45 +0200759 show_efi_boot_opt_data(id, data, size);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900760 else if (ret == EFI_NOT_FOUND)
761 printf("Boot%04X: not found\n", id);
762
763 free(data);
764}
765
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900766static int u16_tohex(u16 c)
767{
768 if (c >= '0' && c <= '9')
769 return c - '0';
770 if (c >= 'A' && c <= 'F')
771 return c - 'A' + 10;
772
773 /* not hexadecimal */
774 return -1;
775}
776
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900777/**
778 * show_efi_boot_dump() - dump all UEFI load options
779 *
780 * @cmdtp: Command table
781 * @flag: Command flag
782 * @argc: Number of arguments
783 * @argv: Argument array
784 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
785 *
786 * Implement efidebug "boot dump" sub-command.
787 * Dump information of all UEFI load options defined.
Heinrich Schuchardta6ccba02019-07-25 20:52:23 +0200788 *
789 * efidebug boot dump
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900790 */
791static int do_efi_boot_dump(cmd_tbl_t *cmdtp, int flag,
792 int argc, char * const argv[])
793{
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900794 u16 *var_name16, *p;
795 efi_uintn_t buf_size, size;
796 efi_guid_t guid;
797 int id, i, digit;
798 efi_status_t ret;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900799
800 if (argc > 1)
801 return CMD_RET_USAGE;
802
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900803 buf_size = 128;
804 var_name16 = malloc(buf_size);
805 if (!var_name16)
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900806 return CMD_RET_FAILURE;
807
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900808 var_name16[0] = 0;
809 for (;;) {
810 size = buf_size;
811 ret = EFI_CALL(efi_get_next_variable_name(&size, var_name16,
812 &guid));
813 if (ret == EFI_NOT_FOUND)
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900814 break;
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900815 if (ret == EFI_BUFFER_TOO_SMALL) {
816 buf_size = size;
817 p = realloc(var_name16, buf_size);
818 if (!p) {
819 free(var_name16);
820 return CMD_RET_FAILURE;
821 }
822 var_name16 = p;
823 ret = EFI_CALL(efi_get_next_variable_name(&size,
824 var_name16,
825 &guid));
826 }
827 if (ret != EFI_SUCCESS) {
828 free(var_name16);
829 return CMD_RET_FAILURE;
830 }
831
832 if (memcmp(var_name16, L"Boot", 8))
833 continue;
834
835 for (id = 0, i = 0; i < 4; i++) {
836 digit = u16_tohex(var_name16[4 + i]);
837 if (digit < 0)
838 break;
839 id = (id << 4) + digit;
840 }
841 if (i == 4 && !var_name16[8])
842 show_efi_boot_opt(id);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900843 }
AKASHI Takahiroffe21572019-04-26 09:44:18 +0900844
845 free(var_name16);
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900846
847 return CMD_RET_SUCCESS;
848}
849
850/**
851 * show_efi_boot_order() - show order of UEFI load options
852 *
853 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
854 *
855 * Show order of UEFI load options defined by BootOrder variable.
856 */
857static int show_efi_boot_order(void)
858{
859 efi_guid_t guid;
860 u16 *bootorder = NULL;
861 efi_uintn_t size;
862 int num, i;
863 char var_name[9];
864 u16 var_name16[9], *p16;
865 void *data;
866 struct efi_load_option lo;
867 char *label, *p;
868 size_t label_len16, label_len;
869 efi_status_t ret;
870
871 guid = efi_global_variable_guid;
872 size = 0;
873 ret = EFI_CALL(RT->get_variable(L"BootOrder", &guid, NULL, &size,
874 NULL));
875 if (ret == EFI_BUFFER_TOO_SMALL) {
876 bootorder = malloc(size);
877 ret = EFI_CALL(RT->get_variable(L"BootOrder", &guid, NULL,
878 &size, bootorder));
879 }
880 if (ret == EFI_NOT_FOUND) {
881 printf("BootOrder not defined\n");
882 ret = CMD_RET_SUCCESS;
883 goto out;
884 } else if (ret != EFI_SUCCESS) {
885 ret = CMD_RET_FAILURE;
886 goto out;
887 }
888
889 num = size / sizeof(u16);
890 for (i = 0; i < num; i++) {
891 sprintf(var_name, "Boot%04X", bootorder[i]);
892 p16 = var_name16;
893 utf8_utf16_strncpy(&p16, var_name, 9);
894
895 size = 0;
896 ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
897 NULL));
898 if (ret != EFI_BUFFER_TOO_SMALL) {
899 printf("%2d: Boot%04X: (not defined)\n",
900 i + 1, bootorder[i]);
901 continue;
902 }
903
904 data = malloc(size);
905 if (!data) {
906 ret = CMD_RET_FAILURE;
907 goto out;
908 }
909 ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
910 data));
911 if (ret != EFI_SUCCESS) {
912 free(data);
913 ret = CMD_RET_FAILURE;
914 goto out;
915 }
916
917 efi_deserialize_load_option(&lo, data);
918
919 label_len16 = u16_strlen(lo.label);
920 label_len = utf16_utf8_strnlen(lo.label, label_len16);
921 label = malloc(label_len + 1);
922 if (!label) {
923 free(data);
924 ret = CMD_RET_FAILURE;
925 goto out;
926 }
927 p = label;
928 utf16_utf8_strncpy(&p, lo.label, label_len16);
929 printf("%2d: Boot%04X: %s\n", i + 1, bootorder[i], label);
930 free(label);
931
932 free(data);
933 }
934out:
935 free(bootorder);
936
937 return ret;
938}
939
940/**
941 * do_efi_boot_next() - manage UEFI BootNext variable
942 *
943 * @cmdtp: Command table
944 * @flag: Command flag
945 * @argc: Number of arguments
946 * @argv: Argument array
947 * Return: CMD_RET_SUCCESS on success,
948 * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
949 *
950 * Implement efidebug "boot next" sub-command.
951 * Set BootNext variable.
Heinrich Schuchardt0b016562019-07-14 14:00:41 +0200952 *
953 * efidebug boot next <id>
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900954 */
955static int do_efi_boot_next(cmd_tbl_t *cmdtp, int flag,
956 int argc, char * const argv[])
957{
958 u16 bootnext;
959 efi_uintn_t size;
960 char *endp;
961 efi_guid_t guid;
962 efi_status_t ret;
Heinrich Schuchardta332f252019-06-20 12:59:45 +0200963 int r = CMD_RET_SUCCESS;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900964
965 if (argc != 2)
966 return CMD_RET_USAGE;
967
968 bootnext = (u16)simple_strtoul(argv[1], &endp, 16);
969 if (*endp != '\0' || bootnext > 0xffff) {
970 printf("invalid value: %s\n", argv[1]);
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200971 r = CMD_RET_FAILURE;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900972 goto out;
973 }
974
975 guid = efi_global_variable_guid;
976 size = sizeof(u16);
977 ret = EFI_CALL(RT->set_variable(L"BootNext", &guid,
AKASHI Takahirof658c2e2019-06-04 15:52:10 +0900978 EFI_VARIABLE_NON_VOLATILE |
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900979 EFI_VARIABLE_BOOTSERVICE_ACCESS |
980 EFI_VARIABLE_RUNTIME_ACCESS,
981 size, &bootnext));
Heinrich Schuchardta332f252019-06-20 12:59:45 +0200982 if (ret != EFI_SUCCESS) {
983 printf("Cannot set BootNext\n");
984 r = CMD_RET_FAILURE;
985 }
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900986out:
Heinrich Schuchardt428a4702019-06-20 12:48:04 +0200987 return r;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +0900988}
989
990/**
991 * do_efi_boot_order() - manage UEFI BootOrder variable
992 *
993 * @cmdtp: Command table
994 * @flag: Command flag
995 * @argc: Number of arguments
996 * @argv: Argument array
997 * Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on failure
998 *
999 * Implement efidebug "boot order" sub-command.
1000 * Show order of UEFI load options, or change it in BootOrder variable.
Heinrich Schuchardt0b016562019-07-14 14:00:41 +02001001 *
1002 * efidebug boot order [<id> ...]
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001003 */
1004static int do_efi_boot_order(cmd_tbl_t *cmdtp, int flag,
1005 int argc, char * const argv[])
1006{
1007 u16 *bootorder = NULL;
1008 efi_uintn_t size;
1009 int id, i;
1010 char *endp;
1011 efi_guid_t guid;
1012 efi_status_t ret;
Heinrich Schuchardta332f252019-06-20 12:59:45 +02001013 int r = CMD_RET_SUCCESS;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001014
1015 if (argc == 1)
1016 return show_efi_boot_order();
1017
1018 argc--;
1019 argv++;
1020
1021 size = argc * sizeof(u16);
1022 bootorder = malloc(size);
1023 if (!bootorder)
1024 return CMD_RET_FAILURE;
1025
1026 for (i = 0; i < argc; i++) {
1027 id = (int)simple_strtoul(argv[i], &endp, 16);
1028 if (*endp != '\0' || id > 0xffff) {
1029 printf("invalid value: %s\n", argv[i]);
Heinrich Schuchardt428a4702019-06-20 12:48:04 +02001030 r = CMD_RET_FAILURE;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001031 goto out;
1032 }
1033
1034 bootorder[i] = (u16)id;
1035 }
1036
1037 guid = efi_global_variable_guid;
1038 ret = EFI_CALL(RT->set_variable(L"BootOrder", &guid,
AKASHI Takahirof658c2e2019-06-04 15:52:10 +09001039 EFI_VARIABLE_NON_VOLATILE |
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001040 EFI_VARIABLE_BOOTSERVICE_ACCESS |
1041 EFI_VARIABLE_RUNTIME_ACCESS,
1042 size, bootorder));
Heinrich Schuchardta332f252019-06-20 12:59:45 +02001043 if (ret != EFI_SUCCESS) {
1044 printf("Cannot set BootOrder\n");
1045 r = CMD_RET_FAILURE;
1046 }
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001047out:
1048 free(bootorder);
1049
Heinrich Schuchardt428a4702019-06-20 12:48:04 +02001050 return r;
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001051}
1052
1053static cmd_tbl_t cmd_efidebug_boot_sub[] = {
1054 U_BOOT_CMD_MKENT(add, CONFIG_SYS_MAXARGS, 1, do_efi_boot_add, "", ""),
1055 U_BOOT_CMD_MKENT(rm, CONFIG_SYS_MAXARGS, 1, do_efi_boot_rm, "", ""),
1056 U_BOOT_CMD_MKENT(dump, CONFIG_SYS_MAXARGS, 1, do_efi_boot_dump, "", ""),
1057 U_BOOT_CMD_MKENT(next, CONFIG_SYS_MAXARGS, 1, do_efi_boot_next, "", ""),
1058 U_BOOT_CMD_MKENT(order, CONFIG_SYS_MAXARGS, 1, do_efi_boot_order,
1059 "", ""),
1060};
1061
1062/**
1063 * do_efi_boot_opt() - manage UEFI load options
1064 *
1065 * @cmdtp: Command table
1066 * @flag: Command flag
1067 * @argc: Number of arguments
1068 * @argv: Argument array
1069 * Return: CMD_RET_SUCCESS on success,
1070 * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
1071 *
1072 * Implement efidebug "boot" sub-command.
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001073 */
1074static int do_efi_boot_opt(cmd_tbl_t *cmdtp, int flag,
1075 int argc, char * const argv[])
1076{
1077 cmd_tbl_t *cp;
1078
1079 if (argc < 2)
1080 return CMD_RET_USAGE;
1081
1082 argc--; argv++;
1083
1084 cp = find_cmd_tbl(argv[0], cmd_efidebug_boot_sub,
1085 ARRAY_SIZE(cmd_efidebug_boot_sub));
1086 if (!cp)
1087 return CMD_RET_USAGE;
1088
1089 return cp->cmd(cmdtp, flag, argc, argv);
1090}
1091
1092static cmd_tbl_t cmd_efidebug_sub[] = {
1093 U_BOOT_CMD_MKENT(boot, CONFIG_SYS_MAXARGS, 1, do_efi_boot_opt, "", ""),
AKASHI Takahiro355cdb52019-02-25 15:54:39 +09001094 U_BOOT_CMD_MKENT(devices, CONFIG_SYS_MAXARGS, 1, do_efi_show_devices,
1095 "", ""),
AKASHI Takahiro66eaf562019-02-25 15:54:40 +09001096 U_BOOT_CMD_MKENT(drivers, CONFIG_SYS_MAXARGS, 1, do_efi_show_drivers,
1097 "", ""),
AKASHI Takahiroa8014622019-02-25 15:54:41 +09001098 U_BOOT_CMD_MKENT(dh, CONFIG_SYS_MAXARGS, 1, do_efi_show_handles,
1099 "", ""),
AKASHI Takahirofa536732019-02-25 15:54:42 +09001100 U_BOOT_CMD_MKENT(images, CONFIG_SYS_MAXARGS, 1, do_efi_show_images,
1101 "", ""),
AKASHI Takahiro00358bb2019-02-25 15:54:43 +09001102 U_BOOT_CMD_MKENT(memmap, CONFIG_SYS_MAXARGS, 1, do_efi_show_memmap,
1103 "", ""),
Heinrich Schuchardt986e0642020-01-07 05:57:47 +01001104 U_BOOT_CMD_MKENT(tables, CONFIG_SYS_MAXARGS, 1, do_efi_show_tables,
1105 "", ""),
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001106};
1107
1108/**
1109 * do_efidebug() - display and configure UEFI environment
1110 *
1111 * @cmdtp: Command table
1112 * @flag: Command flag
1113 * @argc: Number of arguments
1114 * @argv: Argument array
1115 * Return: CMD_RET_SUCCESS on success,
1116 * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
1117 *
1118 * Implement efidebug command which allows us to display and
1119 * configure UEFI environment.
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001120 */
1121static int do_efidebug(cmd_tbl_t *cmdtp, int flag,
1122 int argc, char * const argv[])
1123{
1124 cmd_tbl_t *cp;
1125 efi_status_t r;
1126
1127 if (argc < 2)
1128 return CMD_RET_USAGE;
1129
1130 argc--; argv++;
1131
1132 /* Initialize UEFI drivers */
1133 r = efi_init_obj_list();
1134 if (r != EFI_SUCCESS) {
1135 printf("Error: Cannot initialize UEFI sub-system, r = %lu\n",
1136 r & ~EFI_ERROR_MASK);
1137 return CMD_RET_FAILURE;
1138 }
1139
1140 cp = find_cmd_tbl(argv[0], cmd_efidebug_sub,
1141 ARRAY_SIZE(cmd_efidebug_sub));
1142 if (!cp)
1143 return CMD_RET_USAGE;
1144
1145 return cp->cmd(cmdtp, flag, argc, argv);
1146}
1147
1148#ifdef CONFIG_SYS_LONGHELP
1149static char efidebug_help_text[] =
1150 " - UEFI Shell-like interface to configure UEFI environment\n"
1151 "\n"
1152 "efidebug boot add <bootid> <label> <interface> <devnum>[:<part>] <file path> [<load options>]\n"
1153 " - set UEFI BootXXXX variable\n"
1154 " <load options> will be passed to UEFI application\n"
1155 "efidebug boot rm <bootid#1> [<bootid#2> [<bootid#3> [...]]]\n"
1156 " - delete UEFI BootXXXX variables\n"
1157 "efidebug boot dump\n"
1158 " - dump all UEFI BootXXXX variables\n"
1159 "efidebug boot next <bootid>\n"
1160 " - set UEFI BootNext variable\n"
1161 "efidebug boot order [<bootid#1> [<bootid#2> [<bootid#3> [...]]]]\n"
1162 " - set/show UEFI boot order\n"
AKASHI Takahiro355cdb52019-02-25 15:54:39 +09001163 "\n"
1164 "efidebug devices\n"
Heinrich Schuchardt07e2fe72020-01-07 07:48:15 +01001165 " - show UEFI devices\n"
AKASHI Takahiro66eaf562019-02-25 15:54:40 +09001166 "efidebug drivers\n"
Heinrich Schuchardt07e2fe72020-01-07 07:48:15 +01001167 " - show UEFI drivers\n"
AKASHI Takahiroa8014622019-02-25 15:54:41 +09001168 "efidebug dh\n"
Heinrich Schuchardt07e2fe72020-01-07 07:48:15 +01001169 " - show UEFI handles\n"
AKASHI Takahirofa536732019-02-25 15:54:42 +09001170 "efidebug images\n"
AKASHI Takahiro00358bb2019-02-25 15:54:43 +09001171 " - show loaded images\n"
1172 "efidebug memmap\n"
Heinrich Schuchardt07e2fe72020-01-07 07:48:15 +01001173 " - show UEFI memory map\n"
Heinrich Schuchardt986e0642020-01-07 05:57:47 +01001174 "efidebug tables\n"
1175 " - show UEFI configuration tables\n";
AKASHI Takahiro59df7e72019-02-25 15:54:38 +09001176#endif
1177
1178U_BOOT_CMD(
1179 efidebug, 10, 0, do_efidebug,
1180 "Configure UEFI environment",
1181 efidebug_help_text
1182);