| #ifndef _EFI_H_ |
| #define _EFI_H_ |
| |
| /* |
| * EFI-related functions. |
| * |
| * Copyright (c) 2021, Google Inc, Zixuan Wang <zixuanwang@google.com> |
| * |
| * SPDX-License-Identifier: LGPL-2.0-or-later |
| */ |
| #include "linux/efi.h" |
| #include <elf.h> |
| |
| /* |
| * efi_bootinfo_t: stores EFI-related machine info retrieved before exiting EFI |
| * boot services, and is then used by setup_efi(). setup_efi() cannot retrieve |
| * this info as it is called after ExitBootServices and thus some EFI resources |
| * and functions are not available. |
| */ |
| typedef struct { |
| struct efi_boot_memmap mem_map; |
| } efi_bootinfo_t; |
| |
| efi_status_t _relocate(long ldbase, Elf64_Dyn *dyn, efi_handle_t handle, |
| efi_system_table_t *sys_tab); |
| efi_status_t efi_get_memory_map(struct efi_boot_memmap *map); |
| efi_status_t efi_exit_boot_services(void *handle, struct efi_boot_memmap *map); |
| efi_status_t efi_get_system_config_table(efi_guid_t table_guid, void **table); |
| efi_status_t efi_main(efi_handle_t handle, efi_system_table_t *sys_tab); |
| |
| #endif /* _EFI_H_ */ |
