src/boot/efi/util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <efi.h>
   5 #include <efilib.h>
   6
   7 #define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
   8
   9 static inline const CHAR16 *yes_no(BOOLEAN b) {
  10         return b ? L"yes" : L"no";
  11 }
  12
  13 EFI_STATUS parse_boolean(CHAR8 *v, BOOLEAN *b);
  14
  15 UINT64 ticks_read(void);
  16 UINT64 ticks_freq(void);
  17 UINT64 time_usec(void);
  18
  19 EFI_STATUS efivar_set(CHAR16 *name, CHAR16 *value, BOOLEAN persistent);
  20 EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent);
  21 EFI_STATUS efivar_set_int(CHAR16 *name, UINTN i, BOOLEAN persistent);
  22 VOID efivar_set_time_usec(CHAR16 *name, UINT64 usec);
  23
  24 EFI_STATUS efivar_get(CHAR16 *name, CHAR16 **value);
  25 EFI_STATUS efivar_get_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size);
  26 EFI_STATUS efivar_get_int(CHAR16 *name, UINTN *i);
  27
  28 CHAR8 *strchra(CHAR8 *s, CHAR8 c);
  29 CHAR16 *stra_to_path(CHAR8 *stra);
  30 CHAR16 *stra_to_str(CHAR8 *stra);
  31
  32 EFI_STATUS file_read(EFI_FILE_HANDLE dir, CHAR16 *name, UINTN off, UINTN size, CHAR8 **content, UINTN *content_size);
  33
  34 static inline void FreePoolp(void *p) {
  35         FreePool(*(void**) p);
  36 }
  37
  38 #define _cleanup_(x) __attribute__((cleanup(x)))
  39 #define _cleanup_freepool_ _cleanup_(FreePoolp)