ArmPlatformPkg/Bds/BdsInternal.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 _BDSINTERNAL_H_
  16 #define _BDSINTERNAL_H_
  17
  18 #include <PiDxe.h>
  19 #include <Library/BaseMemoryLib.h>
  20 #include <Library/BdsLib.h>
  21 #include <Library/DebugLib.h>
  22 #include <Library/DevicePathLib.h>
  23 #include <Library/UefiLib.h>
  24 #include <Library/PrintLib.h>
  25 #include <Library/PcdLib.h>
  26 #include <Library/MemoryAllocationLib.h>
  27 #include <Library/UefiBootServicesTableLib.h>
  28 #include <Library/UefiRuntimeServicesTableLib.h>
  29
  30 #include <Protocol/DevicePathFromText.h>
  31 #include <Protocol/DevicePathToText.h>
  32
  33 #include <Guid/GlobalVariable.h>
  34
  35 #define BOOT_DEVICE_DESCRIPTION_MAX   100
  36 #define BOOT_DEVICE_FILEPATH_MAX      100
  37 #define BOOT_DEVICE_OPTION_MAX        300
  38 #define BOOT_DEVICE_ADDRESS_MAX       (sizeof(L"0x0000000000000000"))
  39
  40 #define ARM_BDS_OPTIONAL_DATA_SIGNATURE   SIGNATURE_32('a', 'b', 'o', 'd')
  41
  42 #define IS_ARM_BDS_BOOTENTRY(ptr)  \
  43   (((ptr)->OptionalData != NULL) && \
  44    (ReadUnaligned32 ((CONST UINT32*)&((ARM_BDS_LOADER_OPTIONAL_DATA*)((ptr)->OptionalData))->Header.Signature) \
  45       == ARM_BDS_OPTIONAL_DATA_SIGNATURE))
  46
  47 #define UPDATE_BOOT_ENTRY L"Update entry: "
  48 #define DELETE_BOOT_ENTRY L"Delete entry: "
  49
  50 typedef enum {
  51     BDS_LOADER_EFI_APPLICATION = 0,
  52     BDS_LOADER_KERNEL_LINUX_ATAG,
  53     BDS_LOADER_KERNEL_LINUX_FDT,
  54 } ARM_BDS_LOADER_TYPE;
  55
  56 typedef struct {
  57   UINT16                     CmdLineSize;
  58   UINT16                     InitrdSize;
  59
  60   // These following fields have variable length and are packed:
  61   //CHAR8                      *CmdLine;
  62   //EFI_DEVICE_PATH_PROTOCOL   *InitrdPathList;
  63 } ARM_BDS_LINUX_ARGUMENTS;
  64
  65 typedef union {
  66   ARM_BDS_LINUX_ARGUMENTS    LinuxArguments;
  67 } ARM_BDS_LOADER_ARGUMENTS;
  68
  69 typedef struct {
  70   UINT32                     Signature;
  71   ARM_BDS_LOADER_TYPE        LoaderType;
  72 } ARM_BDS_LOADER_OPTIONAL_DATA_HEADER;
  73
  74 typedef struct {
  75   ARM_BDS_LOADER_OPTIONAL_DATA_HEADER Header;
  76   ARM_BDS_LOADER_ARGUMENTS            Arguments;
  77 } ARM_BDS_LOADER_OPTIONAL_DATA;
  78
  79 typedef struct {
  80   LIST_ENTRY                  Link;
  81   BDS_LOAD_OPTION*            BdsLoadOption;
  82 } BDS_LOAD_OPTION_ENTRY;
  83
  84 typedef enum {
  85   BDS_DEVICE_FILESYSTEM = 0,
  86   BDS_DEVICE_MEMMAP,
  87   BDS_DEVICE_PXE,
  88   BDS_DEVICE_TFTP,
  89   BDS_DEVICE_MAX
  90 } BDS_SUPPORTED_DEVICE_TYPE;
  91
  92 typedef struct {
  93   LIST_ENTRY                          Link;
  94   CHAR16                              Description[BOOT_DEVICE_DESCRIPTION_MAX];
  95   EFI_DEVICE_PATH_PROTOCOL*           DevicePathProtocol;
  96   struct _BDS_LOAD_OPTION_SUPPORT*    Support;
  97 } BDS_SUPPORTED_DEVICE;
  98
  99 #define SUPPORTED_BOOT_DEVICE_FROM_LINK(a)   BASE_CR(a, BDS_SUPPORTED_DEVICE, Link)
 100
 101 typedef struct _BDS_LOAD_OPTION_SUPPORT {
 102   BDS_SUPPORTED_DEVICE_TYPE   Type;
 103   EFI_STATUS    (*ListDevices)(IN OUT LIST_ENTRY* BdsLoadOptionList);
 104   BOOLEAN       (*IsSupported)(IN  EFI_DEVICE_PATH *DevicePath);
 105   EFI_STATUS    (*CreateDevicePathNode)(IN CHAR16* FileName, OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNodes, OUT BOOLEAN *RequestBootType);
 106   EFI_STATUS    (*UpdateDevicePathNode)(IN EFI_DEVICE_PATH *OldDevicePath, IN CHAR16* FileName, OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath, OUT BOOLEAN *RequestBootType);
 107 } BDS_LOAD_OPTION_SUPPORT;
 108
 109 #define LOAD_OPTION_ENTRY_FROM_LINK(a)  BASE_CR(a, BDS_LOAD_OPTION_ENTRY, Link)
 110 #define LOAD_OPTION_FROM_LINK(a)        ((BDS_LOAD_OPTION_ENTRY*)BASE_CR(a, BDS_LOAD_OPTION_ENTRY, Link))->BdsLoadOption
 111
 112 EFI_STATUS
 113 BootDeviceListSupportedInit (
 114   IN OUT LIST_ENTRY *SupportedDeviceList
 115   );
 116
 117 EFI_STATUS
 118 BootDeviceListSupportedFree (
 119   IN LIST_ENTRY *SupportedDeviceList,
 120   IN BDS_SUPPORTED_DEVICE *Except
 121   );
 122
 123 EFI_STATUS
 124 BootDeviceGetDeviceSupport (
 125   IN  EFI_DEVICE_PATH           *DevicePath,
 126   OUT BDS_LOAD_OPTION_SUPPORT   **DeviceSupport
 127   );
 128
 129 EFI_STATUS
 130 GetHIInputStr (
 131   IN OUT CHAR16  *CmdLine,
 132   IN     UINTN   MaxCmdLine
 133   );
 134
 135 EFI_STATUS
 136 EditHIInputStr (
 137   IN OUT CHAR16  *CmdLine,
 138   IN     UINTN   MaxCmdLine
 139   );
 140
 141 EFI_STATUS
 142 GetHIInputAscii (
 143   IN OUT CHAR8   *CmdLine,
 144   IN     UINTN   MaxCmdLine
 145   );
 146
 147 EFI_STATUS
 148 EditHIInputAscii (
 149   IN OUT CHAR8   *CmdLine,
 150   IN     UINTN   MaxCmdLine
 151   );
 152
 153 EFI_STATUS
 154 GetHIInputInteger (
 155   IN OUT UINTN   *Integer
 156   );
 157
 158 EFI_STATUS
 159 GetHIInputIP (
 160   OUT EFI_IP_ADDRESS   *Ip
 161   );
 162
 163 EFI_STATUS
 164 GetHIInputBoolean (
 165   OUT BOOLEAN *Value
 166   );
 167
 168 BOOLEAN
 169 HasFilePathEfiExtension (
 170   IN CHAR16* FilePath
 171   );
 172
 173 EFI_DEVICE_PATH*
 174 GetLastDevicePathNode (
 175   IN EFI_DEVICE_PATH*  DevicePath
 176   );
 177
 178 EFI_STATUS
 179 BdsStartBootOption (
 180   IN CHAR16* BootOption
 181   );
 182
 183 UINTN
 184 GetUnalignedDevicePathSize (
 185   IN EFI_DEVICE_PATH* DevicePath
 186   );
 187
 188 EFI_DEVICE_PATH*
 189 GetAlignedDevicePath (
 190   IN EFI_DEVICE_PATH* DevicePath
 191   );
 192
 193 EFI_STATUS
 194 GenerateDeviceDescriptionName (
 195   IN  EFI_HANDLE  Handle,
 196   IN OUT CHAR16*  Description
 197   );
 198
 199 EFI_STATUS
 200 BootOptionList (
 201   IN OUT LIST_ENTRY *BootOptionList
 202   );
 203
 204 EFI_STATUS
 205 BootOptionParseLoadOption (
 206   IN  EFI_LOAD_OPTION EfiLoadOption,
 207   IN  UINTN           EfiLoadOptionSize,
 208   OUT BDS_LOAD_OPTION **BdsLoadOption
 209   );
 210
 211 EFI_STATUS
 212 BootOptionStart (
 213   IN BDS_LOAD_OPTION *BootOption
 214   );
 215
 216 EFI_STATUS
 217 BootOptionCreate (
 218   IN  UINT32                    Attributes,
 219   IN  CHAR16*                   BootDescription,
 220   IN  EFI_DEVICE_PATH_PROTOCOL* DevicePath,
 221   IN  ARM_BDS_LOADER_TYPE       BootType,
 222   IN  UINT8*                    OptionalData,
 223   IN  UINTN                     OptionalDataSize,
 224   OUT BDS_LOAD_OPTION**         BdsLoadOption
 225   );
 226
 227 EFI_STATUS
 228 BootOptionUpdate (
 229   IN  BDS_LOAD_OPTION*          BdsLoadOption,
 230   IN  UINT32                    Attributes,
 231   IN  CHAR16*                   BootDescription,
 232   IN  EFI_DEVICE_PATH_PROTOCOL* DevicePath,
 233   IN  ARM_BDS_LOADER_TYPE       BootType,
 234   IN UINT8*                     OptionalData,
 235   IN UINTN                      OptionalDataSize
 236   );
 237
 238 EFI_STATUS
 239 BootOptionDelete (
 240   IN  BDS_LOAD_OPTION *BootOption
 241   );
 242
 243 EFI_STATUS
 244 BootDeviceGetType (
 245   IN  EFI_DEVICE_PATH* DevicePath,
 246   OUT ARM_BDS_LOADER_TYPE *BootType,
 247   OUT UINT32 *Attributes
 248   );
 249
 250 EFI_STATUS
 251 BootMenuMain (
 252   VOID
 253   );
 254
 255 BOOLEAN
 256 IsUnicodeString (
 257   IN VOID* String
 258   );
 259
 260 /*
 261  * Try to detect if the given string is an ASCII or Unicode string
 262  *
 263  * There are actually few limitation to this function but it is mainly to give
 264  * a user friendly output.
 265  *
 266  * Some limitations:
 267  *   - it only supports unicode string that use ASCII character (< 0x100)
 268  *   - single character ASCII strings are interpreted as Unicode string
 269  *   - string cannot be longer than 2 x BOOT_DEVICE_OPTION_MAX (600 bytes)
 270  *
 271  * @param String    Buffer that might contain a Unicode or Ascii string
 272  * @param IsUnicode If not NULL this boolean value returns if the string is an
 273  *                  ASCII or Unicode string.
 274  */
 275 BOOLEAN
 276 IsPrintableString (
 277   IN  VOID*    String,
 278   OUT BOOLEAN *IsUnicode
 279   );
 280
 281 #endif /* _BDSINTERNAL_H_ */