1 
2 #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
3 #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
4 
5 /* error code which can't be mistaken for valid address */
6 #define EFI_ERROR	(~0UL)
7 
8 #undef memcpy
9 #undef memset
10 #undef memmove
11 
12 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
13 
14 efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
15 			     void **__fh);
16 
17 efi_status_t efi_file_size(efi_system_table_t *sys_table_arg, void *__fh,
18 			   efi_char16_t *filename_16, void **handle,
19 			   u64 *file_sz);
20 
21 efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
22 
23 efi_status_t efi_file_close(void *handle);
24 
25 unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
26 
27 efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
28 			unsigned long orig_fdt_size,
29 			void *fdt, int new_fdt_size, char *cmdline_ptr,
30 			u64 initrd_addr, u64 initrd_size,
31 			efi_memory_desc_t *memory_map,
32 			unsigned long map_size, unsigned long desc_size,
33 			u32 desc_ver);
34 
35 efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
36 					    void *handle,
37 					    unsigned long *new_fdt_addr,
38 					    unsigned long max_addr,
39 					    u64 initrd_addr, u64 initrd_size,
40 					    char *cmdline_ptr,
41 					    unsigned long fdt_addr,
42 					    unsigned long fdt_size);
43 
44 void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
45 
46 void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
47 		     unsigned long desc_size, efi_memory_desc_t *runtime_map,
48 		     int *count);
49 
50 #endif
51