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 extern int __pure nokaslr(void);
   9
  10 void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
  11
  12 efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
  13                              void **__fh);
  14
  15 efi_status_t efi_file_size(efi_system_table_t *sys_table_arg, void *__fh,
  16                            efi_char16_t *filename_16, void **handle,
  17                            u64 *file_sz);
  18
  19 efi_status_t efi_file_read(void *handle, unsigned long *size, void *addr);
  20
  21 efi_status_t efi_file_close(void *handle);
  22
  23 unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
  24
  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,
  31                         u32 desc_ver);
  32
  33 efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
  34                                             void *handle,
  35                                             unsigned long *new_fdt_addr,
  36                                             unsigned long max_addr,
  37                                             u64 initrd_addr, u64 initrd_size,
  38                                             char *cmdline_ptr,
  39                                             unsigned long fdt_addr,
  40                                             unsigned long fdt_size);
  41
  42 void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
  43
  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,
  46                      int *count);
  47
  48 efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table,
  49                                   unsigned long size, u8 *out);
  50
  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);
  54
  55 #endif