1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H 4 #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H 5 6 /* error code which can't be mistaken for valid address */ 7 #define EFI_ERROR (~0UL) 8 9 /* 10 * __init annotations should not be used in the EFI stub, since the code is 11 * either included in the decompressor (x86, ARM) where they have no effect, 12 * or the whole stub is __init annotated at the section level (arm64), by 13 * renaming the sections, in which case the __init annotation will be 14 * redundant, and will result in section names like .init.init.text, and our 15 * linker script does not expect that. 16 */ 17 #undef __init 18 19 /* 20 * Allow the platform to override the allocation granularity: this allows 21 * systems that have the capability to run with a larger page size to deal 22 * with the allocations for initrd and fdt more efficiently. 23 */ 24 #ifndef EFI_ALLOC_ALIGN 25 #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE 26 #endif 27 28 extern bool efi_nochunk; 29 extern bool efi_nokaslr; 30 extern bool efi_noinitrd; 31 extern bool efi_quiet; 32 extern bool efi_novamap; 33 34 extern const efi_system_table_t *efi_system_table; 35 36 #ifndef efi_bs_call 37 #define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) 38 #endif 39 #ifndef efi_rt_call 40 #define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) 41 #endif 42 #ifndef efi_is_native 43 #define efi_is_native() (true) 44 #endif 45 #ifndef efi_table_attr 46 #define efi_table_attr(inst, attr) (inst->attr) 47 #endif 48 #ifndef efi_call_proto 49 #define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) 50 #endif 51 52 #define pr_efi(msg) do { \ 53 if (!efi_quiet) efi_printk("EFI stub: "msg); \ 54 } while (0) 55 56 #define pr_efi_err(msg) efi_printk("EFI stub: ERROR: "msg) 57 58 /* Helper macros for the usual case of using simple C variables: */ 59 #ifndef fdt_setprop_inplace_var 60 #define fdt_setprop_inplace_var(fdt, node_offset, name, var) \ 61 fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var)) 62 #endif 63 64 #ifndef fdt_setprop_var 65 #define fdt_setprop_var(fdt, node_offset, name, var) \ 66 fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var)) 67 #endif 68 69 #define get_efi_var(name, vendor, ...) \ 70 efi_rt_call(get_variable, (efi_char16_t *)(name), \ 71 (efi_guid_t *)(vendor), __VA_ARGS__) 72 73 #define set_efi_var(name, vendor, ...) \ 74 efi_rt_call(set_variable, (efi_char16_t *)(name), \ 75 (efi_guid_t *)(vendor), __VA_ARGS__) 76 77 #define efi_get_handle_at(array, idx) \ 78 (efi_is_native() ? (array)[idx] \ 79 : (efi_handle_t)(unsigned long)((u32 *)(array))[idx]) 80 81 #define efi_get_handle_num(size) \ 82 ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32))) 83 84 #define for_each_efi_handle(handle, array, size, i) \ 85 for (i = 0; \ 86 i < efi_get_handle_num(size) && \ 87 ((handle = efi_get_handle_at((array), i)) || true); \ 88 i++) 89 90 /* 91 * Allocation types for calls to boottime->allocate_pages. 92 */ 93 #define EFI_ALLOCATE_ANY_PAGES 0 94 #define EFI_ALLOCATE_MAX_ADDRESS 1 95 #define EFI_ALLOCATE_ADDRESS 2 96 #define EFI_MAX_ALLOCATE_TYPE 3 97 98 /* 99 * The type of search to perform when calling boottime->locate_handle 100 */ 101 #define EFI_LOCATE_ALL_HANDLES 0 102 #define EFI_LOCATE_BY_REGISTER_NOTIFY 1 103 #define EFI_LOCATE_BY_PROTOCOL 2 104 105 struct efi_boot_memmap { 106 efi_memory_desc_t **map; 107 unsigned long *map_size; 108 unsigned long *desc_size; 109 u32 *desc_ver; 110 unsigned long *key_ptr; 111 unsigned long *buff_size; 112 }; 113 114 typedef struct efi_generic_dev_path efi_device_path_protocol_t; 115 116 /* 117 * EFI Boot Services table 118 */ 119 union efi_boot_services { 120 struct { 121 efi_table_hdr_t hdr; 122 void *raise_tpl; 123 void *restore_tpl; 124 efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long, 125 efi_physical_addr_t *); 126 efi_status_t (__efiapi *free_pages)(efi_physical_addr_t, 127 unsigned long); 128 efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *, 129 unsigned long *, 130 unsigned long *, u32 *); 131 efi_status_t (__efiapi *allocate_pool)(int, unsigned long, 132 void **); 133 efi_status_t (__efiapi *free_pool)(void *); 134 void *create_event; 135 void *set_timer; 136 void *wait_for_event; 137 void *signal_event; 138 void *close_event; 139 void *check_event; 140 void *install_protocol_interface; 141 void *reinstall_protocol_interface; 142 void *uninstall_protocol_interface; 143 efi_status_t (__efiapi *handle_protocol)(efi_handle_t, 144 efi_guid_t *, void **); 145 void *__reserved; 146 void *register_protocol_notify; 147 efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *, 148 void *, unsigned long *, 149 efi_handle_t *); 150 efi_status_t (__efiapi *locate_device_path)(efi_guid_t *, 151 efi_device_path_protocol_t **, 152 efi_handle_t *); 153 efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *, 154 void *); 155 void *load_image; 156 void *start_image; 157 efi_status_t __noreturn (__efiapi *exit)(efi_handle_t, 158 efi_status_t, 159 unsigned long, 160 efi_char16_t *); 161 void *unload_image; 162 efi_status_t (__efiapi *exit_boot_services)(efi_handle_t, 163 unsigned long); 164 void *get_next_monotonic_count; 165 void *stall; 166 void *set_watchdog_timer; 167 void *connect_controller; 168 efi_status_t (__efiapi *disconnect_controller)(efi_handle_t, 169 efi_handle_t, 170 efi_handle_t); 171 void *open_protocol; 172 void *close_protocol; 173 void *open_protocol_information; 174 void *protocols_per_handle; 175 void *locate_handle_buffer; 176 efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *, 177 void **); 178 void *install_multiple_protocol_interfaces; 179 void *uninstall_multiple_protocol_interfaces; 180 void *calculate_crc32; 181 void *copy_mem; 182 void *set_mem; 183 void *create_event_ex; 184 }; 185 struct { 186 efi_table_hdr_t hdr; 187 u32 raise_tpl; 188 u32 restore_tpl; 189 u32 allocate_pages; 190 u32 free_pages; 191 u32 get_memory_map; 192 u32 allocate_pool; 193 u32 free_pool; 194 u32 create_event; 195 u32 set_timer; 196 u32 wait_for_event; 197 u32 signal_event; 198 u32 close_event; 199 u32 check_event; 200 u32 install_protocol_interface; 201 u32 reinstall_protocol_interface; 202 u32 uninstall_protocol_interface; 203 u32 handle_protocol; 204 u32 __reserved; 205 u32 register_protocol_notify; 206 u32 locate_handle; 207 u32 locate_device_path; 208 u32 install_configuration_table; 209 u32 load_image; 210 u32 start_image; 211 u32 exit; 212 u32 unload_image; 213 u32 exit_boot_services; 214 u32 get_next_monotonic_count; 215 u32 stall; 216 u32 set_watchdog_timer; 217 u32 connect_controller; 218 u32 disconnect_controller; 219 u32 open_protocol; 220 u32 close_protocol; 221 u32 open_protocol_information; 222 u32 protocols_per_handle; 223 u32 locate_handle_buffer; 224 u32 locate_protocol; 225 u32 install_multiple_protocol_interfaces; 226 u32 uninstall_multiple_protocol_interfaces; 227 u32 calculate_crc32; 228 u32 copy_mem; 229 u32 set_mem; 230 u32 create_event_ex; 231 } mixed_mode; 232 }; 233 234 typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t; 235 236 union efi_uga_draw_protocol { 237 struct { 238 efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *, 239 u32*, u32*, u32*, u32*); 240 void *set_mode; 241 void *blt; 242 }; 243 struct { 244 u32 get_mode; 245 u32 set_mode; 246 u32 blt; 247 } mixed_mode; 248 }; 249 250 union efi_simple_text_output_protocol { 251 struct { 252 void *reset; 253 efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *, 254 efi_char16_t *); 255 void *test_string; 256 }; 257 struct { 258 u32 reset; 259 u32 output_string; 260 u32 test_string; 261 } mixed_mode; 262 }; 263 264 #define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0 265 #define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1 266 #define PIXEL_BIT_MASK 2 267 #define PIXEL_BLT_ONLY 3 268 #define PIXEL_FORMAT_MAX 4 269 270 typedef struct { 271 u32 red_mask; 272 u32 green_mask; 273 u32 blue_mask; 274 u32 reserved_mask; 275 } efi_pixel_bitmask_t; 276 277 typedef struct { 278 u32 version; 279 u32 horizontal_resolution; 280 u32 vertical_resolution; 281 int pixel_format; 282 efi_pixel_bitmask_t pixel_information; 283 u32 pixels_per_scan_line; 284 } efi_graphics_output_mode_info_t; 285 286 typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t; 287 288 union efi_graphics_output_protocol_mode { 289 struct { 290 u32 max_mode; 291 u32 mode; 292 efi_graphics_output_mode_info_t *info; 293 unsigned long size_of_info; 294 efi_physical_addr_t frame_buffer_base; 295 unsigned long frame_buffer_size; 296 }; 297 struct { 298 u32 max_mode; 299 u32 mode; 300 u32 info; 301 u32 size_of_info; 302 u64 frame_buffer_base; 303 u32 frame_buffer_size; 304 } mixed_mode; 305 }; 306 307 typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t; 308 309 union efi_graphics_output_protocol { 310 struct { 311 efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *, 312 u32, unsigned long *, 313 efi_graphics_output_mode_info_t **); 314 efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32); 315 void *blt; 316 efi_graphics_output_protocol_mode_t *mode; 317 }; 318 struct { 319 u32 query_mode; 320 u32 set_mode; 321 u32 blt; 322 u32 mode; 323 } mixed_mode; 324 }; 325 326 typedef union { 327 struct { 328 u32 revision; 329 efi_handle_t parent_handle; 330 efi_system_table_t *system_table; 331 efi_handle_t device_handle; 332 void *file_path; 333 void *reserved; 334 u32 load_options_size; 335 void *load_options; 336 void *image_base; 337 __aligned_u64 image_size; 338 unsigned int image_code_type; 339 unsigned int image_data_type; 340 efi_status_t (__efiapi *unload)(efi_handle_t image_handle); 341 }; 342 struct { 343 u32 revision; 344 u32 parent_handle; 345 u32 system_table; 346 u32 device_handle; 347 u32 file_path; 348 u32 reserved; 349 u32 load_options_size; 350 u32 load_options; 351 u32 image_base; 352 __aligned_u64 image_size; 353 u32 image_code_type; 354 u32 image_data_type; 355 u32 unload; 356 } mixed_mode; 357 } efi_loaded_image_t; 358 359 typedef struct { 360 u64 size; 361 u64 file_size; 362 u64 phys_size; 363 efi_time_t create_time; 364 efi_time_t last_access_time; 365 efi_time_t modification_time; 366 __aligned_u64 attribute; 367 efi_char16_t filename[]; 368 } efi_file_info_t; 369 370 typedef struct efi_file_protocol efi_file_protocol_t; 371 372 struct efi_file_protocol { 373 u64 revision; 374 efi_status_t (__efiapi *open) (efi_file_protocol_t *, 375 efi_file_protocol_t **, 376 efi_char16_t *, u64, u64); 377 efi_status_t (__efiapi *close) (efi_file_protocol_t *); 378 efi_status_t (__efiapi *delete) (efi_file_protocol_t *); 379 efi_status_t (__efiapi *read) (efi_file_protocol_t *, 380 unsigned long *, void *); 381 efi_status_t (__efiapi *write) (efi_file_protocol_t *, 382 unsigned long, void *); 383 efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *); 384 efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64); 385 efi_status_t (__efiapi *get_info) (efi_file_protocol_t *, 386 efi_guid_t *, unsigned long *, 387 void *); 388 efi_status_t (__efiapi *set_info) (efi_file_protocol_t *, 389 efi_guid_t *, unsigned long, 390 void *); 391 efi_status_t (__efiapi *flush) (efi_file_protocol_t *); 392 }; 393 394 typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 395 396 struct efi_simple_file_system_protocol { 397 u64 revision; 398 int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *, 399 efi_file_protocol_t **); 400 }; 401 402 #define EFI_FILE_MODE_READ 0x0000000000000001 403 #define EFI_FILE_MODE_WRITE 0x0000000000000002 404 #define EFI_FILE_MODE_CREATE 0x8000000000000000 405 406 typedef enum { 407 EfiPciIoWidthUint8, 408 EfiPciIoWidthUint16, 409 EfiPciIoWidthUint32, 410 EfiPciIoWidthUint64, 411 EfiPciIoWidthFifoUint8, 412 EfiPciIoWidthFifoUint16, 413 EfiPciIoWidthFifoUint32, 414 EfiPciIoWidthFifoUint64, 415 EfiPciIoWidthFillUint8, 416 EfiPciIoWidthFillUint16, 417 EfiPciIoWidthFillUint32, 418 EfiPciIoWidthFillUint64, 419 EfiPciIoWidthMaximum 420 } EFI_PCI_IO_PROTOCOL_WIDTH; 421 422 typedef enum { 423 EfiPciIoAttributeOperationGet, 424 EfiPciIoAttributeOperationSet, 425 EfiPciIoAttributeOperationEnable, 426 EfiPciIoAttributeOperationDisable, 427 EfiPciIoAttributeOperationSupported, 428 EfiPciIoAttributeOperationMaximum 429 } EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; 430 431 typedef struct { 432 u32 read; 433 u32 write; 434 } efi_pci_io_protocol_access_32_t; 435 436 typedef union efi_pci_io_protocol efi_pci_io_protocol_t; 437 438 typedef 439 efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *, 440 EFI_PCI_IO_PROTOCOL_WIDTH, 441 u32 offset, 442 unsigned long count, 443 void *buffer); 444 445 typedef struct { 446 void *read; 447 void *write; 448 } efi_pci_io_protocol_access_t; 449 450 typedef struct { 451 efi_pci_io_protocol_cfg_t read; 452 efi_pci_io_protocol_cfg_t write; 453 } efi_pci_io_protocol_config_access_t; 454 455 union efi_pci_io_protocol { 456 struct { 457 void *poll_mem; 458 void *poll_io; 459 efi_pci_io_protocol_access_t mem; 460 efi_pci_io_protocol_access_t io; 461 efi_pci_io_protocol_config_access_t pci; 462 void *copy_mem; 463 void *map; 464 void *unmap; 465 void *allocate_buffer; 466 void *free_buffer; 467 void *flush; 468 efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *, 469 unsigned long *segment_nr, 470 unsigned long *bus_nr, 471 unsigned long *device_nr, 472 unsigned long *func_nr); 473 void *attributes; 474 void *get_bar_attributes; 475 void *set_bar_attributes; 476 uint64_t romsize; 477 void *romimage; 478 }; 479 struct { 480 u32 poll_mem; 481 u32 poll_io; 482 efi_pci_io_protocol_access_32_t mem; 483 efi_pci_io_protocol_access_32_t io; 484 efi_pci_io_protocol_access_32_t pci; 485 u32 copy_mem; 486 u32 map; 487 u32 unmap; 488 u32 allocate_buffer; 489 u32 free_buffer; 490 u32 flush; 491 u32 get_location; 492 u32 attributes; 493 u32 get_bar_attributes; 494 u32 set_bar_attributes; 495 u64 romsize; 496 u32 romimage; 497 } mixed_mode; 498 }; 499 500 #define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 501 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 502 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 503 #define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 504 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 505 #define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 506 #define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 507 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 508 #define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 509 #define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 510 #define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 511 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 512 #define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 513 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 514 #define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 515 #define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 516 #define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 517 #define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 518 #define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000 519 520 struct efi_dev_path; 521 522 typedef union apple_properties_protocol apple_properties_protocol_t; 523 524 union apple_properties_protocol { 525 struct { 526 unsigned long version; 527 efi_status_t (__efiapi *get)(apple_properties_protocol_t *, 528 struct efi_dev_path *, 529 efi_char16_t *, void *, u32 *); 530 efi_status_t (__efiapi *set)(apple_properties_protocol_t *, 531 struct efi_dev_path *, 532 efi_char16_t *, void *, u32); 533 efi_status_t (__efiapi *del)(apple_properties_protocol_t *, 534 struct efi_dev_path *, 535 efi_char16_t *); 536 efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *, 537 void *buffer, u32 *); 538 }; 539 struct { 540 u32 version; 541 u32 get; 542 u32 set; 543 u32 del; 544 u32 get_all; 545 } mixed_mode; 546 }; 547 548 typedef u32 efi_tcg2_event_log_format; 549 550 typedef union efi_tcg2_protocol efi_tcg2_protocol_t; 551 552 union efi_tcg2_protocol { 553 struct { 554 void *get_capability; 555 efi_status_t (__efiapi *get_event_log)(efi_handle_t, 556 efi_tcg2_event_log_format, 557 efi_physical_addr_t *, 558 efi_physical_addr_t *, 559 efi_bool_t *); 560 void *hash_log_extend_event; 561 void *submit_command; 562 void *get_active_pcr_banks; 563 void *set_active_pcr_banks; 564 void *get_result_of_set_active_pcr_banks; 565 }; 566 struct { 567 u32 get_capability; 568 u32 get_event_log; 569 u32 hash_log_extend_event; 570 u32 submit_command; 571 u32 get_active_pcr_banks; 572 u32 set_active_pcr_banks; 573 u32 get_result_of_set_active_pcr_banks; 574 } mixed_mode; 575 }; 576 577 typedef union efi_load_file_protocol efi_load_file_protocol_t; 578 typedef union efi_load_file_protocol efi_load_file2_protocol_t; 579 580 union efi_load_file_protocol { 581 struct { 582 efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *, 583 efi_device_path_protocol_t *, 584 bool, unsigned long *, void *); 585 }; 586 struct { 587 u32 load_file; 588 } mixed_mode; 589 }; 590 591 void efi_pci_disable_bridge_busmaster(void); 592 593 typedef efi_status_t (*efi_exit_boot_map_processing)( 594 struct efi_boot_memmap *map, 595 void *priv); 596 597 efi_status_t efi_exit_boot_services(void *handle, 598 struct efi_boot_memmap *map, 599 void *priv, 600 efi_exit_boot_map_processing priv_func); 601 602 void efi_char16_printk(efi_char16_t *); 603 604 efi_status_t allocate_new_fdt_and_exit_boot(void *handle, 605 unsigned long *new_fdt_addr, 606 unsigned long max_addr, 607 u64 initrd_addr, u64 initrd_size, 608 char *cmdline_ptr, 609 unsigned long fdt_addr, 610 unsigned long fdt_size); 611 612 void *get_fdt(unsigned long *fdt_size); 613 614 void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, 615 unsigned long desc_size, efi_memory_desc_t *runtime_map, 616 int *count); 617 618 efi_status_t efi_get_random_bytes(unsigned long size, u8 *out); 619 620 efi_status_t efi_random_alloc(unsigned long size, unsigned long align, 621 unsigned long *addr, unsigned long random_seed); 622 623 efi_status_t check_platform_features(void); 624 625 void *get_efi_config_table(efi_guid_t guid); 626 627 void efi_printk(char *str); 628 629 void efi_free(unsigned long size, unsigned long addr); 630 631 char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len, 632 unsigned long max_addr); 633 634 efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); 635 636 efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr, 637 unsigned long max); 638 639 efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr, 640 unsigned long max, unsigned long align); 641 642 efi_status_t efi_relocate_kernel(unsigned long *image_addr, 643 unsigned long image_size, 644 unsigned long alloc_size, 645 unsigned long preferred_addr, 646 unsigned long alignment, 647 unsigned long min_addr); 648 649 efi_status_t efi_parse_options(char const *cmdline); 650 651 void efi_parse_option_graphics(char *option); 652 653 efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto, 654 unsigned long size); 655 656 efi_status_t handle_cmdline_files(efi_loaded_image_t *image, 657 const efi_char16_t *optstr, 658 int optstr_size, 659 unsigned long soft_limit, 660 unsigned long hard_limit, 661 unsigned long *load_addr, 662 unsigned long *load_size); 663 664 665 static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image, 666 unsigned long *load_addr, 667 unsigned long *load_size) 668 { 669 return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2, 670 ULONG_MAX, ULONG_MAX, load_addr, load_size); 671 } 672 673 static inline efi_status_t efi_load_initrd(efi_loaded_image_t *image, 674 unsigned long *load_addr, 675 unsigned long *load_size, 676 unsigned long soft_limit, 677 unsigned long hard_limit) 678 { 679 if (!IS_ENABLED(CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER)) 680 return EFI_SUCCESS; 681 682 return handle_cmdline_files(image, L"initrd=", sizeof(L"initrd=") - 2, 683 soft_limit, hard_limit, load_addr, load_size); 684 } 685 686 efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr, 687 unsigned long *load_size, 688 unsigned long max); 689 690 #endif 691