EmbeddedPkg/Include/libfdt_env.h

   1 /** @file
   2 *
   3 *  Copyright (c) 2011-2014, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #ifndef _LIBFDT_ENV_H
  16 #define _LIBFDT_ENV_H
  17
  18 #include <Uefi.h>
  19 #include <Library/BaseLib.h>
  20 #include <Library/BaseMemoryLib.h>
  21
  22 typedef UINT16 fdt16_t;
  23 typedef UINT32 fdt32_t;
  24 typedef UINT64 fdt64_t;
  25
  26 typedef UINT8 uint8_t;
  27 typedef UINT16 uint16_t;
  28 typedef UINT32 uint32_t;
  29 typedef UINT64 uint64_t;
  30 typedef UINTN uintptr_t;
  31 typedef UINTN size_t;
  32
  33 static inline uint16_t fdt16_to_cpu(fdt16_t x)
  34 {
  35   return SwapBytes16 (x);
  36 }
  37 #define cpu_to_fdt16(x) fdt16_to_cpu(x)
  38
  39 static inline uint32_t fdt32_to_cpu(fdt32_t x)
  40 {
  41   return SwapBytes32 (x);
  42 }
  43 #define cpu_to_fdt32(x) fdt32_to_cpu(x)
  44
  45 static inline uint64_t fdt64_to_cpu(fdt64_t x)
  46 {
  47   return SwapBytes64 (x);
  48 }
  49 #define cpu_to_fdt64(x) fdt64_to_cpu(x)
  50
  51 static inline void* memcpy(void* dest, const void* src, size_t len) {
  52   return CopyMem (dest, src, len);
  53 }
  54
  55 static inline void *memmove(void *dest, const void *src, size_t n) {
  56   return CopyMem (dest, src, n);
  57 }
  58
  59 static inline void *memset(void *s, int c, size_t n) {
  60   return SetMem (s, n, c);
  61 }
  62
  63 static inline int memcmp(const void* dest, const void* src, int len) {
  64   return CompareMem (dest, src, len);
  65 }
  66
  67 static inline void *memchr(const void *s, int c, size_t n) {
  68   return ScanMem8 (s, n, c);
  69 }
  70
  71 static inline size_t strlen (const char* str) {
  72   return AsciiStrLen (str);
  73 }
  74
  75 static inline char *strchr(const char *s, int c) {
  76   char pattern[2];
  77   pattern[0] = c;
  78   pattern[1] = 0;
  79   return AsciiStrStr (s, pattern);
  80 }
  81
  82 /**
  83   Load and Install FDT from Semihosting
  84
  85   @param Filename   Name of the file to load from semihosting
  86
  87   @return EFI_SUCCESS           Fdt Blob was successfully installed into the configuration table
  88                                 from semihosting
  89   @return EFI_NOT_FOUND         Fail to locate the file in semihosting
  90   @return EFI_OUT_OF_RESOURCES  Fail to allocate memory to contain the blob
  91 **/
  92 EFI_STATUS
  93 InstallFdtFromSemihosting (
  94   IN  CONST CHAR16*   FileName
  95   );
  96
  97 /**
  98   Load and Install FDT from Firmware Volume
  99
 100   @param Filename   Guid of the FDT blob to load from firmware volume
 101
 102   @return EFI_SUCCESS           Fdt Blob was successfully installed into the configuration table
 103                                 from firmware volume
 104   @return EFI_NOT_FOUND         Failed to locate the file in firmware volume
 105   @return EFI_OUT_OF_RESOURCES  Failed to allocate memory to contain the blob
 106 **/
 107 EFI_STATUS
 108 InstallFdtFromFv (
 109   IN  CONST EFI_GUID *FileName
 110   );
 111
 112 #endif /* _LIBFDT_ENV_H */