diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_boottime.c | 781 |
1 files changed, 781 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c new file mode 100644 index 0000000..e60fae9 --- /dev/null +++ b/lib/efi_loader/efi_boottime.c @@ -0,0 +1,781 @@ +/* + * 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, +}; |