2 #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
3 #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
5 /* error code which can't be mistaken for valid address */
6 #define EFI_ERROR (~0UL)
8 extern int __pure nokaslr(void);
10 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
12 efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
15 efi_status_t efi_file_size(efi_system_table_t *sys_table_arg, void *__fh,
16 efi_char16_t *filename_16, void **handle,
19 efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
21 efi_status_t efi_file_close(void *handle);
23 unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
25 efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
26 unsigned long orig_fdt_size,
27 void *fdt, int new_fdt_size, char *cmdline_ptr,
28 u64 initrd_addr, u64 initrd_size,
29 efi_memory_desc_t *memory_map,
30 unsigned long map_size, unsigned long desc_size,
33 efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
35 unsigned long *new_fdt_addr,
36 unsigned long max_addr,
37 u64 initrd_addr, u64 initrd_size,
39 unsigned long fdt_addr,
40 unsigned long fdt_size);
42 void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
44 void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
45 unsigned long desc_size, efi_memory_desc_t *runtime_map,
48 efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table,
49 unsigned long size, u8 *out);
51 efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
52 unsigned long size, unsigned long align,
53 unsigned long *addr, unsigned long random_seed);