drivers/firmware/efi/libstub/efistub.h

   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 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
   9
  10 efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
  11                              void **__fh);
  12
  13 efi_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
  17 efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
  18
  19 efi_status_t efi_file_close(void *handle);
  20
  21 unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
  22
  23 efi_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
  31 efi_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
  40 void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
  41
  42 void 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