--- /dev/null
+/*
+ * 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,
+};
projects / u-boot.git / commitdiff
