ArmPlatformPkg/Bds: Add Linux 'initrd' support to BDS

[mirror_edk2.git] / ArmPlatformPkg / Bds / BdsInternal.h

/** @file\r
*\r
*  Copyright (c) 2011, ARM Limited. All rights reserved.\r
*\r
*  This program and the accompanying materials\r
*  are licensed and made available under the terms and conditions of the BSD License\r
*  which accompanies this distribution.  The full text of the license may be found at\r
*  http://opensource.org/licenses/bsd-license.php\r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
*\r
**/\r
\r
#ifndef _BDSINTERNAL_H_\r
#define _BDSINTERNAL_H_\r
\r
#include <PiDxe.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/BdsLib.h>\r
#include <Library/BdsUnixLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/PrintLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
\r
#include <Protocol/DevicePathFromText.h>\r
#include <Protocol/DevicePathToText.h>\r
\r
#include <Guid/GlobalVariable.h>\r
\r
#define BOOT_DEVICE_DESCRIPTION_MAX   100\r
#define BOOT_DEVICE_FILEPATH_MAX      100\r
#define BOOT_DEVICE_OPTION_MAX        300\r
#define BOOT_DEVICE_ADDRESS_MAX       20\r
\r
typedef enum {\r
    BDS_LOADER_EFI_APPLICATION = 0,\r
    BDS_LOADER_KERNEL_LINUX_ATAG,\r
    BDS_LOADER_KERNEL_LINUX_FDT,\r
} BDS_LOADER_TYPE;\r
\r
typedef struct{\r
  UINT16                     InitrdPathListLength;\r
  EFI_DEVICE_PATH_PROTOCOL   *InitrdPathList;\r
  CHAR8                      CmdLine[BOOT_DEVICE_OPTION_MAX + 1];\r
} BDS_LINUX_ATAG_ARGUMENTS;\r
\r
typedef union {\r
  BDS_LINUX_ATAG_ARGUMENTS     LinuxAtagArguments;\r
} BDS_LOADER_ARGUMENTS;\r
\r
typedef struct {\r
  BDS_LOADER_TYPE            LoaderType;\r
  BDS_LOADER_ARGUMENTS       Arguments;\r
} BDS_LOADER_OPTIONAL_DATA;\r
\r
typedef enum {\r
  BDS_DEVICE_FILESYSTEM = 0,\r
  BDS_DEVICE_MEMMAP,\r
  BDS_DEVICE_PXE,\r
  BDS_DEVICE_TFTP,\r
  BDS_DEVICE_MAX\r
} BDS_SUPPORTED_DEVICE_TYPE;\r
\r
typedef struct {\r
  LIST_ENTRY                  Link;\r
  CHAR16                      Description[BOOT_DEVICE_DESCRIPTION_MAX];\r
  EFI_DEVICE_PATH_PROTOCOL*   DevicePathProtocol;\r
  struct _BDS_LOAD_OPTION_SUPPORT*    Support;\r
} BDS_SUPPORTED_DEVICE;\r
\r
#define SUPPORTED_BOOT_DEVICE_FROM_LINK(a)   BASE_CR(a, BDS_SUPPORTED_DEVICE, Link)\r
\r
typedef UINT8* EFI_LOAD_OPTION;\r
\r
/* This is defined by the UEFI specs, don't change it */\r
typedef struct {\r
  LIST_ENTRY                  Link;\r
\r
  UINT16                      LoadOptionIndex;\r
  EFI_LOAD_OPTION             LoadOption;\r
  UINTN                       LoadOptionSize;\r
\r
  UINT32                      Attributes;\r
  UINT16                      FilePathListLength;\r
  CHAR16                      *Description;\r
  EFI_DEVICE_PATH_PROTOCOL    *FilePathList;\r
  BDS_LOADER_OPTIONAL_DATA    *OptionalData;\r
} BDS_LOAD_OPTION;\r
\r
typedef struct _BDS_LOAD_OPTION_SUPPORT {\r
  BDS_SUPPORTED_DEVICE_TYPE   Type;\r
  EFI_STATUS    (*ListDevices)(IN OUT LIST_ENTRY* BdsLoadOptionList);\r
  BOOLEAN       (*IsSupported)(IN BDS_LOAD_OPTION* BdsLoadOption);\r
  EFI_STATUS    (*CreateDevicePathNode)(IN BDS_SUPPORTED_DEVICE* BdsLoadOption, OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode, OUT BDS_LOADER_TYPE *BootType, OUT UINT32 *Attributes);\r
  EFI_STATUS    (*UpdateDevicePathNode)(IN EFI_DEVICE_PATH *OldDevicePath, OUT EFI_DEVICE_PATH_PROTOCOL** NewDevicePath, OUT BDS_LOADER_TYPE *BootType, OUT UINT32 *Attributes);\r
} BDS_LOAD_OPTION_SUPPORT;\r
\r
#define LOAD_OPTION_FROM_LINK(a)   BASE_CR(a, BDS_LOAD_OPTION, Link)\r
\r
EFI_STATUS\r
GetEnvironmentVariable (\r
  IN     CONST CHAR16*   VariableName,\r
  IN     VOID*           DefaultValue,\r
  IN OUT UINTN*          Size,\r
  OUT    VOID**          Value\r
  );\r
\r
EFI_STATUS\r
BootDeviceListSupportedInit (\r
  IN OUT LIST_ENTRY *SupportedDeviceList\r
  );\r
\r
EFI_STATUS\r
BootDeviceListSupportedFree (\r
  IN LIST_ENTRY *SupportedDeviceList,\r
  IN BDS_SUPPORTED_DEVICE *Except\r
  );\r
\r
EFI_STATUS\r
BootDeviceGetDeviceSupport (\r
  IN  BDS_LOAD_OPTION *BootOption,\r
  OUT BDS_LOAD_OPTION_SUPPORT**  DeviceSupport\r
  );\r
\r
EFI_STATUS\r
GetHIInputAscii (\r
  IN OUT CHAR8   *CmdLine,\r
  IN     UINTN   MaxCmdLine\r
  );\r
\r
EFI_STATUS\r
EditHIInputAscii (\r
  IN OUT CHAR8   *CmdLine,\r
  IN     UINTN   MaxCmdLine\r
  );\r
\r
EFI_STATUS\r
GetHIInputInteger (\r
  IN OUT UINTN   *Integer\r
  );\r
\r
EFI_STATUS\r
GetHIInputIP (\r
  OUT EFI_IP_ADDRESS   *Ip\r
  );\r
\r
EFI_STATUS\r
GetHIInputBoolean (\r
  OUT BOOLEAN *Value\r
  );\r
\r
BOOLEAN\r
HasFilePathEfiExtension (\r
  IN CHAR16* FilePath\r
  );\r
\r
EFI_DEVICE_PATH*\r
GetLastDevicePathNode (\r
  IN EFI_DEVICE_PATH*  DevicePath\r
  );\r
\r
EFI_STATUS\r
BdsStartBootOption (\r
  IN CHAR16* BootOption\r
  );\r
\r
EFI_STATUS\r
GenerateDeviceDescriptionName (\r
  IN  EFI_HANDLE  Handle,\r
  IN OUT CHAR16*  Description\r
  );\r
\r
EFI_STATUS\r
BootOptionList (\r
  IN OUT LIST_ENTRY *BootOptionList\r
  );\r
\r
EFI_STATUS\r
BootOptionParseLoadOption (\r
  IN  EFI_LOAD_OPTION EfiLoadOption,\r
  IN  UINTN           EfiLoadOptionSize,\r
  OUT BDS_LOAD_OPTION **BdsLoadOption\r
  );\r
\r
EFI_STATUS\r
BootOptionStart (\r
  IN BDS_LOAD_OPTION *BootOption\r
  );\r
\r
EFI_STATUS\r
BootOptionCreate (\r
  IN  UINT32 Attributes,\r
  IN  CHAR16* BootDescription,\r
  IN  EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r
  IN  BDS_LOADER_TYPE   BootType,\r
  IN  BDS_LOADER_ARGUMENTS *BootArguments,\r
  OUT BDS_LOAD_OPTION **BdsLoadOption\r
  );\r
\r
EFI_STATUS\r
BootOptionUpdate (\r
  IN  BDS_LOAD_OPTION *BdsLoadOption,\r
  IN  UINT32 Attributes,\r
  IN  CHAR16* BootDescription,\r
  IN  EFI_DEVICE_PATH_PROTOCOL* DevicePath,\r
  IN  BDS_LOADER_TYPE   BootType,\r
  IN  BDS_LOADER_ARGUMENTS *BootArguments\r
  );\r
\r
EFI_STATUS\r
BootOptionDelete (\r
  IN  BDS_LOAD_OPTION *BootOption\r
  );\r
\r
EFI_STATUS\r
BootMenuMain (\r
  VOID\r
  );\r
\r
#endif /* _BDSINTERNAL_H_ */\r