| /* |
| * EFI application boot time services |
| * |
| * Copyright (c) 2016 Alexander Graf |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /* #define DEBUG_EFI */ |
| |
| #include <common.h> |
| #include <efi_loader.h> |
| #include <malloc.h> |
| #include <asm/global_data.h> |
| #include <libfdt_env.h> |
| #include <u-boot/crc.h> |
| #include <bootm.h> |
| #include <inttypes.h> |
| #include <watchdog.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* This list contains all the EFI objects our payload has access to */ |
| LIST_HEAD(efi_obj_list); |
| |
| /* |
| * If we're running on nasty systems (32bit ARM booting into non-EFI Linux) |
| * we need to do trickery with caches. Since we don't want to break the EFI |
| * aware boot path, only apply hacks when loading exiting directly (breaking |
| * direct Linux EFI booting along the way - oh well). |
| */ |
| static bool efi_is_direct_boot = true; |
| |
| /* |
| * EFI can pass arbitrary additional "tables" containing vendor specific |
| * information to the payload. One such table is the FDT table which contains |
| * a pointer to a flattened device tree blob. |
| * |
| * In most cases we want to pass an FDT to the payload, so reserve one slot of |
| * config table space for it. The pointer gets populated by do_bootefi_exec(). |
| */ |
| static struct efi_configuration_table efi_conf_table[1]; |
| |
| /* |
| * The "gd" pointer lives in a register on ARM and AArch64 that we declare |
| * fixed when compiling U-Boot. However, the payload does not know about that |
| * restriction so we need to manually swap its and our view of that register on |
| * EFI callback entry/exit. |
| */ |
| static volatile void *efi_gd, *app_gd; |
| |
| /* Called from do_bootefi_exec() */ |
| void efi_save_gd(void) |
| { |
| efi_gd = gd; |
| } |
| |
| /* Called on every callback entry */ |
| void efi_restore_gd(void) |
| { |
| /* Only restore if we're already in EFI context */ |
| if (!efi_gd) |
| return; |
| |
| if (gd != efi_gd) |
| app_gd = gd; |
| gd = efi_gd; |
| } |
| |
| /* Called on every callback exit */ |
| efi_status_t efi_exit_func(efi_status_t ret) |
| { |
| gd = app_gd; |
| return ret; |
| } |
| |
| static efi_status_t efi_unsupported(const char *funcname) |
| { |
| #ifdef DEBUG_EFI |
| printf("EFI: App called into unimplemented function %s\n", funcname); |
| #endif |
| return EFI_EXIT(EFI_UNSUPPORTED); |
| } |
| |
| static int guidcmp(const efi_guid_t *g1, const efi_guid_t *g2) |
| { |
| return memcmp(g1, g2, sizeof(efi_guid_t)); |
| } |
| |
| static unsigned long EFIAPI efi_raise_tpl(unsigned long new_tpl) |
| { |
| EFI_ENTRY("0x%lx", new_tpl); |
| return EFI_EXIT(0); |
| } |
| |
| static void EFIAPI efi_restore_tpl(unsigned long old_tpl) |
| { |
| EFI_ENTRY("0x%lx", old_tpl); |
| EFI_EXIT(efi_unsupported(__func__)); |
| } |
| |
| efi_status_t EFIAPI efi_allocate_pages_ext(int type, int memory_type, |
| unsigned long pages, |
| uint64_t *memory) |
| { |
| efi_status_t r; |
| |
| EFI_ENTRY("%d, %d, 0x%lx, %p", type, memory_type, pages, memory); |
| r = efi_allocate_pages(type, memory_type, pages, memory); |
| return EFI_EXIT(r); |
| } |
| |
| efi_status_t EFIAPI efi_free_pages_ext(uint64_t memory, unsigned long pages) |
| { |
| efi_status_t r; |
| |
| EFI_ENTRY("%"PRIx64", 0x%lx", memory, pages); |
| r = efi_free_pages(memory, pages); |
| return EFI_EXIT(r); |
| } |
| |
| efi_status_t EFIAPI efi_get_memory_map_ext(unsigned long *memory_map_size, |
| struct efi_mem_desc *memory_map, |
| unsigned long *map_key, |
| unsigned long *descriptor_size, |
| uint32_t *descriptor_version) |
| { |
| efi_status_t r; |
| |
| EFI_ENTRY("%p, %p, %p, %p, %p", memory_map_size, memory_map, |
| map_key, descriptor_size, descriptor_version); |
| r = efi_get_memory_map(memory_map_size, memory_map, map_key, |
| descriptor_size, descriptor_version); |
| return EFI_EXIT(r); |
| } |
| |
| static efi_status_t EFIAPI efi_allocate_pool(int pool_type, unsigned long size, |
| void **buffer) |
| { |
| return efi_allocate_pages(0, pool_type, (size + 0xfff) >> 12, (void*)buffer); |
| } |
| |
| static efi_status_t EFIAPI efi_free_pool(void *buffer) |
| { |
| return efi_free_pages((ulong)buffer, 0); |
| } |
| |
| /* |
| * Our event capabilities are very limited. Only support a single |
| * event to exist, so we don't need to maintain lists. |
| */ |
| static struct { |
| enum efi_event_type type; |
| u32 trigger_type; |
| u32 trigger_time; |
| u64 trigger_next; |
| unsigned long notify_tpl; |
| void (*notify_function) (void *event, void *context); |
| void *notify_context; |
| } efi_event = { |
| /* Disable timers on bootup */ |
| .trigger_next = -1ULL, |
| }; |
| |
| static efi_status_t EFIAPI efi_create_event( |
| enum efi_event_type type, ulong notify_tpl, |
| void (*notify_function) (void *event, void *context), |
| void *notify_context, void **event) |
| { |
| EFI_ENTRY("%d, 0x%lx, %p, %p", type, notify_tpl, notify_function, |
| notify_context); |
| if (efi_event.notify_function) { |
| /* We only support one event at a time */ |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| } |
| |
| efi_event.type = type; |
| efi_event.notify_tpl = notify_tpl; |
| efi_event.notify_function = notify_function; |
| efi_event.notify_context = notify_context; |
| *event = &efi_event; |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| /* |
| * Our timers have to work without interrupts, so we check whenever keyboard |
| * input or disk accesses happen if enough time elapsed for it to fire. |
| */ |
| void efi_timer_check(void) |
| { |
| u64 now = timer_get_us(); |
| |
| if (now >= efi_event.trigger_next) { |
| /* Triggering! */ |
| if (efi_event.trigger_type == EFI_TIMER_PERIODIC) |
| efi_event.trigger_next += efi_event.trigger_time / 10; |
| efi_event.notify_function(&efi_event, efi_event.notify_context); |
| } |
| |
| WATCHDOG_RESET(); |
| } |
| |
| static efi_status_t EFIAPI efi_set_timer(void *event, int type, |
| uint64_t trigger_time) |
| { |
| /* We don't have 64bit division available everywhere, so limit timer |
| * distances to 32bit bits. */ |
| u32 trigger32 = trigger_time; |
| |
| EFI_ENTRY("%p, %d, %"PRIx64, event, type, trigger_time); |
| |
| if (trigger32 < trigger_time) { |
| printf("WARNING: Truncating timer from %"PRIx64" to %x\n", |
| trigger_time, trigger32); |
| } |
| |
| if (event != &efi_event) { |
| /* We only support one event at a time */ |
| return EFI_EXIT(EFI_INVALID_PARAMETER); |
| } |
| |
| switch (type) { |
| case EFI_TIMER_STOP: |
| efi_event.trigger_next = -1ULL; |
| break; |
| case EFI_TIMER_PERIODIC: |
| case EFI_TIMER_RELATIVE: |
| efi_event.trigger_next = timer_get_us() + (trigger32 / 10); |
| break; |
| default: |
| return EFI_EXIT(EFI_INVALID_PARAMETER); |
| } |
| efi_event.trigger_type = type; |
| efi_event.trigger_time = trigger_time; |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_wait_for_event(unsigned long num_events, |
| void *event, unsigned long *index) |
| { |
| u64 now; |
| |
| EFI_ENTRY("%ld, %p, %p", num_events, event, index); |
| |
| now = timer_get_us(); |
| while (now < efi_event.trigger_next) { } |
| efi_timer_check(); |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_signal_event(void *event) |
| { |
| EFI_ENTRY("%p", event); |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_close_event(void *event) |
| { |
| EFI_ENTRY("%p", event); |
| efi_event.trigger_next = -1ULL; |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_check_event(void *event) |
| { |
| EFI_ENTRY("%p", event); |
| return EFI_EXIT(EFI_NOT_READY); |
| } |
| |
| static efi_status_t EFIAPI efi_install_protocol_interface(void **handle, |
| efi_guid_t *protocol, int protocol_interface_type, |
| void *protocol_interface) |
| { |
| EFI_ENTRY("%p, %p, %d, %p", handle, protocol, protocol_interface_type, |
| protocol_interface); |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| } |
| static efi_status_t EFIAPI efi_reinstall_protocol_interface(void *handle, |
| efi_guid_t *protocol, void *old_interface, |
| void *new_interface) |
| { |
| EFI_ENTRY("%p, %p, %p, %p", handle, protocol, old_interface, |
| new_interface); |
| return EFI_EXIT(EFI_ACCESS_DENIED); |
| } |
| |
| static efi_status_t EFIAPI efi_uninstall_protocol_interface(void *handle, |
| efi_guid_t *protocol, void *protocol_interface) |
| { |
| EFI_ENTRY("%p, %p, %p", handle, protocol, protocol_interface); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_register_protocol_notify(efi_guid_t *protocol, |
| void *event, |
| void **registration) |
| { |
| EFI_ENTRY("%p, %p, %p", protocol, event, registration); |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| } |
| |
| static int efi_search(enum efi_locate_search_type search_type, |
| efi_guid_t *protocol, void *search_key, |
| struct efi_object *efiobj) |
| { |
| int i; |
| |
| switch (search_type) { |
| case all_handles: |
| return 0; |
| case by_register_notify: |
| return -1; |
| case by_protocol: |
| for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { |
| const efi_guid_t *guid = efiobj->protocols[i].guid; |
| if (guid && !guidcmp(guid, protocol)) |
| return 0; |
| } |
| return -1; |
| } |
| |
| return -1; |
| } |
| |
| static efi_status_t EFIAPI efi_locate_handle( |
| enum efi_locate_search_type search_type, |
| efi_guid_t *protocol, void *search_key, |
| unsigned long *buffer_size, efi_handle_t *buffer) |
| { |
| struct list_head *lhandle; |
| unsigned long size = 0; |
| |
| EFI_ENTRY("%d, %p, %p, %p, %p", search_type, protocol, search_key, |
| buffer_size, buffer); |
| |
| /* Count how much space we need */ |
| list_for_each(lhandle, &efi_obj_list) { |
| struct efi_object *efiobj; |
| efiobj = list_entry(lhandle, struct efi_object, link); |
| if (!efi_search(search_type, protocol, search_key, efiobj)) { |
| size += sizeof(void*); |
| } |
| } |
| |
| if (*buffer_size < size) { |
| *buffer_size = size; |
| return EFI_EXIT(EFI_BUFFER_TOO_SMALL); |
| } |
| |
| /* Then fill the array */ |
| list_for_each(lhandle, &efi_obj_list) { |
| struct efi_object *efiobj; |
| efiobj = list_entry(lhandle, struct efi_object, link); |
| if (!efi_search(search_type, protocol, search_key, efiobj)) { |
| *(buffer++) = efiobj->handle; |
| } |
| } |
| |
| *buffer_size = size; |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_locate_device_path(efi_guid_t *protocol, |
| struct efi_device_path **device_path, |
| efi_handle_t *device) |
| { |
| EFI_ENTRY("%p, %p, %p", protocol, device_path, device); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_install_configuration_table(efi_guid_t *guid, |
| void *table) |
| { |
| int i; |
| |
| EFI_ENTRY("%p, %p", guid, table); |
| |
| /* Check for guid override */ |
| for (i = 0; i < systab.nr_tables; i++) { |
| if (!guidcmp(guid, &efi_conf_table[i].guid)) { |
| efi_conf_table[i].table = table; |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| } |
| |
| /* No override, check for overflow */ |
| if (i >= ARRAY_SIZE(efi_conf_table)) |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| |
| /* Add a new entry */ |
| memcpy(&efi_conf_table[i].guid, guid, sizeof(*guid)); |
| efi_conf_table[i].table = table; |
| systab.nr_tables = i; |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_load_image(bool boot_policy, |
| efi_handle_t parent_image, |
| struct efi_device_path *file_path, |
| void *source_buffer, |
| unsigned long source_size, |
| efi_handle_t *image_handle) |
| { |
| static struct efi_object loaded_image_info_obj = { |
| .protocols = { |
| { |
| .guid = &efi_guid_loaded_image, |
| .open = &efi_return_handle, |
| }, |
| }, |
| }; |
| struct efi_loaded_image *info; |
| struct efi_object *obj; |
| |
| EFI_ENTRY("%d, %p, %p, %p, %ld, %p", boot_policy, parent_image, |
| file_path, source_buffer, source_size, image_handle); |
| info = malloc(sizeof(*info)); |
| obj = malloc(sizeof(loaded_image_info_obj)); |
| memset(info, 0, sizeof(*info)); |
| memcpy(obj, &loaded_image_info_obj, sizeof(loaded_image_info_obj)); |
| obj->handle = info; |
| info->file_path = file_path; |
| info->reserved = efi_load_pe(source_buffer, info); |
| if (!info->reserved) { |
| free(info); |
| free(obj); |
| return EFI_EXIT(EFI_UNSUPPORTED); |
| } |
| |
| *image_handle = info; |
| list_add_tail(&obj->link, &efi_obj_list); |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle, |
| unsigned long *exit_data_size, |
| s16 **exit_data) |
| { |
| ulong (*entry)(void *image_handle, struct efi_system_table *st); |
| struct efi_loaded_image *info = image_handle; |
| |
| EFI_ENTRY("%p, %p, %p", image_handle, exit_data_size, exit_data); |
| entry = info->reserved; |
| |
| efi_is_direct_boot = false; |
| |
| /* call the image! */ |
| entry(image_handle, &systab); |
| |
| /* Should usually never get here */ |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_exit(void *image_handle, long exit_status, |
| unsigned long exit_data_size, |
| uint16_t *exit_data) |
| { |
| EFI_ENTRY("%p, %ld, %ld, %p", image_handle, exit_status, |
| exit_data_size, exit_data); |
| return EFI_EXIT(efi_unsupported(__func__)); |
| } |
| |
| static struct efi_object *efi_search_obj(void *handle) |
| { |
| struct list_head *lhandle; |
| |
| list_for_each(lhandle, &efi_obj_list) { |
| struct efi_object *efiobj; |
| efiobj = list_entry(lhandle, struct efi_object, link); |
| if (efiobj->handle == handle) |
| return efiobj; |
| } |
| |
| return NULL; |
| } |
| |
| static efi_status_t EFIAPI efi_unload_image(void *image_handle) |
| { |
| struct efi_object *efiobj; |
| |
| EFI_ENTRY("%p", image_handle); |
| efiobj = efi_search_obj(image_handle); |
| if (efiobj) |
| list_del(&efiobj->link); |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static void efi_exit_caches(void) |
| { |
| #if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) |
| /* |
| * Grub on 32bit ARM needs to have caches disabled before jumping into |
| * a zImage, but does not know of all cache layers. Give it a hand. |
| */ |
| if (efi_is_direct_boot) |
| cleanup_before_linux(); |
| #endif |
| } |
| |
| static efi_status_t EFIAPI efi_exit_boot_services(void *image_handle, |
| unsigned long map_key) |
| { |
| EFI_ENTRY("%p, %ld", image_handle, map_key); |
| |
| /* Fix up caches for EFI payloads if necessary */ |
| efi_exit_caches(); |
| |
| /* This stops all lingering devices */ |
| bootm_disable_interrupts(); |
| |
| /* Give the payload some time to boot */ |
| WATCHDOG_RESET(); |
| |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_get_next_monotonic_count(uint64_t *count) |
| { |
| static uint64_t mono = 0; |
| EFI_ENTRY("%p", count); |
| *count = mono++; |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_stall(unsigned long microseconds) |
| { |
| EFI_ENTRY("%ld", microseconds); |
| udelay(microseconds); |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, |
| uint64_t watchdog_code, |
| unsigned long data_size, |
| uint16_t *watchdog_data) |
| { |
| EFI_ENTRY("%ld, 0x%"PRIx64", %ld, %p", timeout, watchdog_code, |
| data_size, watchdog_data); |
| return EFI_EXIT(efi_unsupported(__func__)); |
| } |
| |
| static efi_status_t EFIAPI efi_connect_controller( |
| efi_handle_t controller_handle, |
| efi_handle_t *driver_image_handle, |
| struct efi_device_path *remain_device_path, |
| bool recursive) |
| { |
| EFI_ENTRY("%p, %p, %p, %d", controller_handle, driver_image_handle, |
| remain_device_path, recursive); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle, |
| void *driver_image_handle, |
| void *child_handle) |
| { |
| EFI_ENTRY("%p, %p, %p", controller_handle, driver_image_handle, |
| child_handle); |
| return EFI_EXIT(EFI_INVALID_PARAMETER); |
| } |
| |
| static efi_status_t EFIAPI efi_close_protocol(void *handle, |
| efi_guid_t *protocol, |
| void *agent_handle, |
| void *controller_handle) |
| { |
| EFI_ENTRY("%p, %p, %p, %p", handle, protocol, agent_handle, |
| controller_handle); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle, |
| efi_guid_t *protocol, |
| struct efi_open_protocol_info_entry **entry_buffer, |
| unsigned long *entry_count) |
| { |
| EFI_ENTRY("%p, %p, %p, %p", handle, protocol, entry_buffer, |
| entry_count); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, |
| efi_guid_t ***protocol_buffer, |
| unsigned long *protocol_buffer_count) |
| { |
| EFI_ENTRY("%p, %p, %p", handle, protocol_buffer, |
| protocol_buffer_count); |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| } |
| |
| static efi_status_t EFIAPI efi_locate_handle_buffer( |
| enum efi_locate_search_type search_type, |
| efi_guid_t *protocol, void *search_key, |
| unsigned long *no_handles, efi_handle_t **buffer) |
| { |
| EFI_ENTRY("%d, %p, %p, %p, %p", search_type, protocol, search_key, |
| no_handles, buffer); |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static struct efi_class_map efi_class_maps[] = { |
| { |
| .guid = &efi_guid_console_control, |
| .interface = &efi_console_control |
| }, |
| }; |
| |
| static efi_status_t EFIAPI efi_locate_protocol(efi_guid_t *protocol, |
| void *registration, |
| void **protocol_interface) |
| { |
| int i; |
| |
| EFI_ENTRY("%p, %p, %p", protocol, registration, protocol_interface); |
| for (i = 0; i < ARRAY_SIZE(efi_class_maps); i++) { |
| struct efi_class_map *curmap = &efi_class_maps[i]; |
| if (!guidcmp(protocol, curmap->guid)) { |
| *protocol_interface = (void*)curmap->interface; |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| } |
| |
| return EFI_EXIT(EFI_NOT_FOUND); |
| } |
| |
| static efi_status_t EFIAPI efi_install_multiple_protocol_interfaces( |
| void **handle, ...) |
| { |
| EFI_ENTRY("%p", handle); |
| return EFI_EXIT(EFI_OUT_OF_RESOURCES); |
| } |
| |
| static efi_status_t EFIAPI efi_uninstall_multiple_protocol_interfaces( |
| void *handle, ...) |
| { |
| EFI_ENTRY("%p", handle); |
| return EFI_EXIT(EFI_INVALID_PARAMETER); |
| } |
| |
| static efi_status_t EFIAPI efi_calculate_crc32(void *data, |
| unsigned long data_size, |
| uint32_t *crc32_p) |
| { |
| EFI_ENTRY("%p, %ld", data, data_size); |
| *crc32_p = crc32(0, data, data_size); |
| return EFI_EXIT(EFI_SUCCESS); |
| } |
| |
| static void EFIAPI efi_copy_mem(void *destination, void *source, |
| unsigned long length) |
| { |
| EFI_ENTRY("%p, %p, %ld", destination, source, length); |
| memcpy(destination, source, length); |
| } |
| |
| static void EFIAPI efi_set_mem(void *buffer, unsigned long size, uint8_t value) |
| { |
| EFI_ENTRY("%p, %ld, 0x%x", buffer, size, value); |
| memset(buffer, value, size); |
| } |
| |
| static efi_status_t EFIAPI efi_open_protocol( |
| void *handle, efi_guid_t *protocol, |
| void **protocol_interface, void *agent_handle, |
| void *controller_handle, uint32_t attributes) |
| { |
| struct list_head *lhandle; |
| int i; |
| efi_status_t r = EFI_UNSUPPORTED; |
| |
| EFI_ENTRY("%p, %p, %p, %p, %p, 0x%x", handle, protocol, |
| protocol_interface, agent_handle, controller_handle, |
| attributes); |
| list_for_each(lhandle, &efi_obj_list) { |
| struct efi_object *efiobj; |
| efiobj = list_entry(lhandle, struct efi_object, link); |
| |
| if (efiobj->handle != handle) |
| continue; |
| |
| for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { |
| struct efi_handler *handler = &efiobj->protocols[i]; |
| const efi_guid_t *hprotocol = handler->guid; |
| if (!hprotocol) |
| break; |
| if (!guidcmp(hprotocol, protocol)) { |
| r = handler->open(handle, protocol, |
| protocol_interface, agent_handle, |
| controller_handle, attributes); |
| goto out; |
| } |
| } |
| } |
| |
| out: |
| return EFI_EXIT(r); |
| } |
| |
| static efi_status_t EFIAPI efi_handle_protocol(void *handle, |
| efi_guid_t *protocol, |
| void **protocol_interface) |
| { |
| EFI_ENTRY("%p, %p, %p", handle, protocol, protocol_interface); |
| return efi_open_protocol(handle, protocol, protocol_interface, |
| NULL, NULL, 0); |
| } |
| |
| static const struct efi_boot_services efi_boot_services = { |
| .hdr = { |
| .headersize = sizeof(struct efi_table_hdr), |
| }, |
| .raise_tpl = efi_raise_tpl, |
| .restore_tpl = efi_restore_tpl, |
| .allocate_pages = efi_allocate_pages_ext, |
| .free_pages = efi_free_pages_ext, |
| .get_memory_map = efi_get_memory_map_ext, |
| .allocate_pool = efi_allocate_pool, |
| .free_pool = efi_free_pool, |
| .create_event = efi_create_event, |
| .set_timer = efi_set_timer, |
| .wait_for_event = efi_wait_for_event, |
| .signal_event = efi_signal_event, |
| .close_event = efi_close_event, |
| .check_event = efi_check_event, |
| .install_protocol_interface = efi_install_protocol_interface, |
| .reinstall_protocol_interface = efi_reinstall_protocol_interface, |
| .uninstall_protocol_interface = efi_uninstall_protocol_interface, |
| .handle_protocol = efi_handle_protocol, |
| .reserved = NULL, |
| .register_protocol_notify = efi_register_protocol_notify, |
| .locate_handle = efi_locate_handle, |
| .locate_device_path = efi_locate_device_path, |
| .install_configuration_table = efi_install_configuration_table, |
| .load_image = efi_load_image, |
| .start_image = efi_start_image, |
| .exit = (void*)efi_exit, |
| .unload_image = efi_unload_image, |
| .exit_boot_services = efi_exit_boot_services, |
| .get_next_monotonic_count = efi_get_next_monotonic_count, |
| .stall = efi_stall, |
| .set_watchdog_timer = efi_set_watchdog_timer, |
| .connect_controller = efi_connect_controller, |
| .disconnect_controller = efi_disconnect_controller, |
| .open_protocol = efi_open_protocol, |
| .close_protocol = efi_close_protocol, |
| .open_protocol_information = efi_open_protocol_information, |
| .protocols_per_handle = efi_protocols_per_handle, |
| .locate_handle_buffer = efi_locate_handle_buffer, |
| .locate_protocol = efi_locate_protocol, |
| .install_multiple_protocol_interfaces = efi_install_multiple_protocol_interfaces, |
| .uninstall_multiple_protocol_interfaces = efi_uninstall_multiple_protocol_interfaces, |
| .calculate_crc32 = efi_calculate_crc32, |
| .copy_mem = efi_copy_mem, |
| .set_mem = efi_set_mem, |
| }; |
| |
| |
| static uint16_t firmware_vendor[] = |
| { 'D','a','s',' ','U','-','b','o','o','t',0 }; |
| |
| struct efi_system_table systab = { |
| .hdr = { |
| .signature = EFI_SYSTEM_TABLE_SIGNATURE, |
| .revision = 0x20005, /* 2.5 */ |
| .headersize = sizeof(struct efi_table_hdr), |
| }, |
| .fw_vendor = (long)firmware_vendor, |
| .con_in = (void*)&efi_con_in, |
| .con_out = (void*)&efi_con_out, |
| .std_err = (void*)&efi_con_out, |
| .runtime = (void*)&efi_runtime_services, |
| .boottime = (void*)&efi_boot_services, |
| .nr_tables = 0, |
| .tables = (void*)efi_conf_table, |
| }; |