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https://github.com/brain-hackers/u-boot-brain
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![Alexander Graf](/assets/img/avatar_default.png)
Compiler attributes are more commonly __foo style tags rather than big upper case eye sores like EFI_RUNTIME_TEXT. Simon Glass felt quite strongly about this, so this patch converts our existing defines over to more eye friendly ones. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Simon Glass <sjg@chromium.org>
811 lines
21 KiB
C
811 lines
21 KiB
C
/*
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* EFI application boot time services
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*
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* Copyright (c) 2016 Alexander Graf
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <efi_loader.h>
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#include <malloc.h>
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#include <asm/global_data.h>
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#include <libfdt_env.h>
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#include <u-boot/crc.h>
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#include <bootm.h>
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#include <inttypes.h>
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#include <watchdog.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* This list contains all the EFI objects our payload has access to */
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LIST_HEAD(efi_obj_list);
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/*
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* If we're running on nasty systems (32bit ARM booting into non-EFI Linux)
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* we need to do trickery with caches. Since we don't want to break the EFI
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* aware boot path, only apply hacks when loading exiting directly (breaking
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* direct Linux EFI booting along the way - oh well).
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*/
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static bool efi_is_direct_boot = true;
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/*
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* EFI can pass arbitrary additional "tables" containing vendor specific
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* information to the payload. One such table is the FDT table which contains
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* a pointer to a flattened device tree blob.
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*
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* In most cases we want to pass an FDT to the payload, so reserve one slot of
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* config table space for it. The pointer gets populated by do_bootefi_exec().
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*/
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static struct efi_configuration_table __efi_runtime_data efi_conf_table[2];
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#ifdef CONFIG_ARM
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/*
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* The "gd" pointer lives in a register on ARM and AArch64 that we declare
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* fixed when compiling U-Boot. However, the payload does not know about that
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* restriction so we need to manually swap its and our view of that register on
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* EFI callback entry/exit.
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*/
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static volatile void *efi_gd, *app_gd;
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#endif
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/* Called from do_bootefi_exec() */
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void efi_save_gd(void)
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{
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#ifdef CONFIG_ARM
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efi_gd = gd;
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#endif
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}
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/* Called on every callback entry */
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void efi_restore_gd(void)
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{
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#ifdef CONFIG_ARM
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/* Only restore if we're already in EFI context */
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if (!efi_gd)
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return;
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if (gd != efi_gd)
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app_gd = gd;
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gd = efi_gd;
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#endif
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}
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/* Called on every callback exit */
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efi_status_t efi_exit_func(efi_status_t ret)
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{
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#ifdef CONFIG_ARM
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gd = app_gd;
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#endif
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return ret;
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}
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static efi_status_t efi_unsupported(const char *funcname)
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{
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debug("EFI: App called into unimplemented function %s\n", funcname);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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static int guidcmp(const efi_guid_t *g1, const efi_guid_t *g2)
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{
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return memcmp(g1, g2, sizeof(efi_guid_t));
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}
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static unsigned long EFIAPI efi_raise_tpl(unsigned long new_tpl)
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{
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EFI_ENTRY("0x%lx", new_tpl);
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return EFI_EXIT(0);
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}
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static void EFIAPI efi_restore_tpl(unsigned long old_tpl)
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{
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EFI_ENTRY("0x%lx", old_tpl);
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EFI_EXIT(efi_unsupported(__func__));
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}
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efi_status_t EFIAPI efi_allocate_pages_ext(int type, int memory_type,
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unsigned long pages,
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uint64_t *memory)
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{
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efi_status_t r;
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EFI_ENTRY("%d, %d, 0x%lx, %p", type, memory_type, pages, memory);
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r = efi_allocate_pages(type, memory_type, pages, memory);
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return EFI_EXIT(r);
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}
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efi_status_t EFIAPI efi_free_pages_ext(uint64_t memory, unsigned long pages)
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{
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efi_status_t r;
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EFI_ENTRY("%"PRIx64", 0x%lx", memory, pages);
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r = efi_free_pages(memory, pages);
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return EFI_EXIT(r);
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}
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efi_status_t EFIAPI efi_get_memory_map_ext(unsigned long *memory_map_size,
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struct efi_mem_desc *memory_map,
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unsigned long *map_key,
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unsigned long *descriptor_size,
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uint32_t *descriptor_version)
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{
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efi_status_t r;
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EFI_ENTRY("%p, %p, %p, %p, %p", memory_map_size, memory_map,
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map_key, descriptor_size, descriptor_version);
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r = efi_get_memory_map(memory_map_size, memory_map, map_key,
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descriptor_size, descriptor_version);
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return EFI_EXIT(r);
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}
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static efi_status_t EFIAPI efi_allocate_pool_ext(int pool_type,
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unsigned long size,
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void **buffer)
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{
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efi_status_t r;
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EFI_ENTRY("%d, %ld, %p", pool_type, size, buffer);
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r = efi_allocate_pool(pool_type, size, buffer);
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return EFI_EXIT(r);
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}
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static efi_status_t EFIAPI efi_free_pool_ext(void *buffer)
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{
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efi_status_t r;
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EFI_ENTRY("%p", buffer);
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r = efi_free_pool(buffer);
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return EFI_EXIT(r);
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}
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/*
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* Our event capabilities are very limited. Only support a single
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* event to exist, so we don't need to maintain lists.
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*/
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static struct {
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enum efi_event_type type;
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u32 trigger_type;
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u32 trigger_time;
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u64 trigger_next;
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unsigned long notify_tpl;
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void (EFIAPI *notify_function) (void *event, void *context);
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void *notify_context;
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} efi_event = {
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/* Disable timers on bootup */
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.trigger_next = -1ULL,
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};
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static efi_status_t EFIAPI efi_create_event(
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enum efi_event_type type, ulong notify_tpl,
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void (EFIAPI *notify_function) (void *event,
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void *context),
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void *notify_context, void **event)
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{
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EFI_ENTRY("%d, 0x%lx, %p, %p", type, notify_tpl, notify_function,
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notify_context);
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if (efi_event.notify_function) {
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/* We only support one event at a time */
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return EFI_EXIT(EFI_OUT_OF_RESOURCES);
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}
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efi_event.type = type;
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efi_event.notify_tpl = notify_tpl;
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efi_event.notify_function = notify_function;
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efi_event.notify_context = notify_context;
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*event = &efi_event;
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return EFI_EXIT(EFI_SUCCESS);
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}
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/*
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* Our timers have to work without interrupts, so we check whenever keyboard
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* input or disk accesses happen if enough time elapsed for it to fire.
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*/
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void efi_timer_check(void)
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{
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u64 now = timer_get_us();
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if (now >= efi_event.trigger_next) {
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/* Triggering! */
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if (efi_event.trigger_type == EFI_TIMER_PERIODIC)
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efi_event.trigger_next += efi_event.trigger_time / 10;
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efi_event.notify_function(&efi_event, efi_event.notify_context);
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}
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WATCHDOG_RESET();
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}
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static efi_status_t EFIAPI efi_set_timer(void *event, int type,
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uint64_t trigger_time)
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{
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/* We don't have 64bit division available everywhere, so limit timer
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* distances to 32bit bits. */
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u32 trigger32 = trigger_time;
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EFI_ENTRY("%p, %d, %"PRIx64, event, type, trigger_time);
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if (trigger32 < trigger_time) {
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printf("WARNING: Truncating timer from %"PRIx64" to %x\n",
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trigger_time, trigger32);
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}
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if (event != &efi_event) {
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/* We only support one event at a time */
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return EFI_EXIT(EFI_INVALID_PARAMETER);
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}
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switch (type) {
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case EFI_TIMER_STOP:
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efi_event.trigger_next = -1ULL;
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break;
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case EFI_TIMER_PERIODIC:
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case EFI_TIMER_RELATIVE:
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efi_event.trigger_next = timer_get_us() + (trigger32 / 10);
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break;
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default:
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return EFI_EXIT(EFI_INVALID_PARAMETER);
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}
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efi_event.trigger_type = type;
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efi_event.trigger_time = trigger_time;
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_wait_for_event(unsigned long num_events,
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void *event, unsigned long *index)
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{
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u64 now;
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EFI_ENTRY("%ld, %p, %p", num_events, event, index);
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now = timer_get_us();
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while (now < efi_event.trigger_next) { }
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efi_timer_check();
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_signal_event(void *event)
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{
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EFI_ENTRY("%p", event);
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_close_event(void *event)
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{
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EFI_ENTRY("%p", event);
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efi_event.trigger_next = -1ULL;
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_check_event(void *event)
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{
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EFI_ENTRY("%p", event);
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return EFI_EXIT(EFI_NOT_READY);
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}
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static efi_status_t EFIAPI efi_install_protocol_interface(void **handle,
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efi_guid_t *protocol, int protocol_interface_type,
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void *protocol_interface)
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{
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EFI_ENTRY("%p, %p, %d, %p", handle, protocol, protocol_interface_type,
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protocol_interface);
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return EFI_EXIT(EFI_OUT_OF_RESOURCES);
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}
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static efi_status_t EFIAPI efi_reinstall_protocol_interface(void *handle,
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efi_guid_t *protocol, void *old_interface,
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void *new_interface)
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{
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EFI_ENTRY("%p, %p, %p, %p", handle, protocol, old_interface,
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new_interface);
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return EFI_EXIT(EFI_ACCESS_DENIED);
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}
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static efi_status_t EFIAPI efi_uninstall_protocol_interface(void *handle,
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efi_guid_t *protocol, void *protocol_interface)
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{
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EFI_ENTRY("%p, %p, %p", handle, protocol, protocol_interface);
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return EFI_EXIT(EFI_NOT_FOUND);
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}
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static efi_status_t EFIAPI efi_register_protocol_notify(efi_guid_t *protocol,
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void *event,
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void **registration)
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{
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EFI_ENTRY("%p, %p, %p", protocol, event, registration);
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return EFI_EXIT(EFI_OUT_OF_RESOURCES);
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}
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static int efi_search(enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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struct efi_object *efiobj)
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{
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int i;
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switch (search_type) {
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case all_handles:
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return 0;
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case by_register_notify:
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return -1;
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case by_protocol:
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for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) {
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const efi_guid_t *guid = efiobj->protocols[i].guid;
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if (guid && !guidcmp(guid, protocol))
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return 0;
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}
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return -1;
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}
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return -1;
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}
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static efi_status_t EFIAPI efi_locate_handle(
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enum efi_locate_search_type search_type,
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efi_guid_t *protocol, void *search_key,
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unsigned long *buffer_size, efi_handle_t *buffer)
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{
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struct list_head *lhandle;
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unsigned long size = 0;
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EFI_ENTRY("%d, %p, %p, %p, %p", search_type, protocol, search_key,
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buffer_size, buffer);
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/* Count how much space we need */
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list_for_each(lhandle, &efi_obj_list) {
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struct efi_object *efiobj;
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efiobj = list_entry(lhandle, struct efi_object, link);
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if (!efi_search(search_type, protocol, search_key, efiobj)) {
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size += sizeof(void*);
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}
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}
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if (*buffer_size < size) {
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*buffer_size = size;
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return EFI_EXIT(EFI_BUFFER_TOO_SMALL);
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}
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/* Then fill the array */
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list_for_each(lhandle, &efi_obj_list) {
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struct efi_object *efiobj;
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efiobj = list_entry(lhandle, struct efi_object, link);
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if (!efi_search(search_type, protocol, search_key, efiobj)) {
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*(buffer++) = efiobj->handle;
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}
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}
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*buffer_size = size;
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_locate_device_path(efi_guid_t *protocol,
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struct efi_device_path **device_path,
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efi_handle_t *device)
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{
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EFI_ENTRY("%p, %p, %p", protocol, device_path, device);
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return EFI_EXIT(EFI_NOT_FOUND);
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}
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efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table)
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{
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int i;
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/* Check for guid override */
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for (i = 0; i < systab.nr_tables; i++) {
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if (!guidcmp(guid, &efi_conf_table[i].guid)) {
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efi_conf_table[i].table = table;
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return EFI_SUCCESS;
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}
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}
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/* No override, check for overflow */
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if (i >= ARRAY_SIZE(efi_conf_table))
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return EFI_OUT_OF_RESOURCES;
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/* Add a new entry */
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memcpy(&efi_conf_table[i].guid, guid, sizeof(*guid));
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efi_conf_table[i].table = table;
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systab.nr_tables = i + 1;
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return EFI_SUCCESS;
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}
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static efi_status_t EFIAPI efi_install_configuration_table_ext(efi_guid_t *guid,
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void *table)
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{
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EFI_ENTRY("%p, %p", guid, table);
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return EFI_EXIT(efi_install_configuration_table(guid, table));
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}
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static efi_status_t EFIAPI efi_load_image(bool boot_policy,
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efi_handle_t parent_image,
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struct efi_device_path *file_path,
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void *source_buffer,
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unsigned long source_size,
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efi_handle_t *image_handle)
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{
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static struct efi_object loaded_image_info_obj = {
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.protocols = {
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{
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.guid = &efi_guid_loaded_image,
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.open = &efi_return_handle,
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},
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},
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};
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struct efi_loaded_image *info;
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struct efi_object *obj;
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EFI_ENTRY("%d, %p, %p, %p, %ld, %p", boot_policy, parent_image,
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file_path, source_buffer, source_size, image_handle);
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info = malloc(sizeof(*info));
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obj = malloc(sizeof(loaded_image_info_obj));
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memset(info, 0, sizeof(*info));
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memcpy(obj, &loaded_image_info_obj, sizeof(loaded_image_info_obj));
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obj->handle = info;
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info->file_path = file_path;
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info->reserved = efi_load_pe(source_buffer, info);
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if (!info->reserved) {
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free(info);
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free(obj);
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return EFI_EXIT(EFI_UNSUPPORTED);
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}
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*image_handle = info;
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list_add_tail(&obj->link, &efi_obj_list);
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
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unsigned long *exit_data_size,
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s16 **exit_data)
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{
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ulong (*entry)(void *image_handle, struct efi_system_table *st);
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struct efi_loaded_image *info = image_handle;
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EFI_ENTRY("%p, %p, %p", image_handle, exit_data_size, exit_data);
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entry = info->reserved;
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efi_is_direct_boot = false;
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/* call the image! */
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if (setjmp(&info->exit_jmp)) {
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/* We returned from the child image */
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return EFI_EXIT(info->exit_status);
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}
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entry(image_handle, &systab);
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/* Should usually never get here */
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return EFI_EXIT(EFI_SUCCESS);
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}
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static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle,
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efi_status_t exit_status, unsigned long exit_data_size,
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int16_t *exit_data)
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{
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struct efi_loaded_image *loaded_image_info = (void*)image_handle;
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EFI_ENTRY("%p, %ld, %ld, %p", image_handle, exit_status,
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exit_data_size, exit_data);
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loaded_image_info->exit_status = exit_status;
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longjmp(&loaded_image_info->exit_jmp, 1);
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panic("EFI application exited");
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}
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static struct efi_object *efi_search_obj(void *handle)
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{
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|
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)
|
|
{
|
|
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_ext,
|
|
.free_pool = efi_free_pool_ext,
|
|
.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_ext,
|
|
.load_image = efi_load_image,
|
|
.start_image = efi_start_image,
|
|
.exit = 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 __efi_runtime_data firmware_vendor[] =
|
|
{ 'D','a','s',' ','U','-','b','o','o','t',0 };
|
|
|
|
struct efi_system_table __efi_runtime_data 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,
|
|
};
|