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
8void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
9
10efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
11			     void **__fh);
12
13efi_status_t efi_file_size(efi_system_table_t *sys_table_arg, void *__fh,
14			   efi_char16_t *filename_16, void **handle,
15			   u64 *file_sz);
16
17efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
18
19efi_status_t efi_file_close(void *handle);
20
21unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
22
23efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
24			unsigned long orig_fdt_size,
25			void *fdt, int new_fdt_size, char *cmdline_ptr,
26			u64 initrd_addr, u64 initrd_size,
27			efi_memory_desc_t *memory_map,
28			unsigned long map_size, unsigned long desc_size,
29			u32 desc_ver);
30
31efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
32					    void *handle,
33					    unsigned long *new_fdt_addr,
34					    unsigned long max_addr,
35					    u64 initrd_addr, u64 initrd_size,
36					    char *cmdline_ptr,
37					    unsigned long fdt_addr,
38					    unsigned long fdt_size);
39
40void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
41
42void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
43		     unsigned long desc_size, efi_memory_desc_t *runtime_map,
44		     int *count);
45
46#endif
47