Integrate patch from Andrew Fish to make it run on OS X.

[mirror_edk2.git] / UnixPkg / ResetRuntimeDxe / Reset.c

/*++\r
\r
Copyright (c) 2004 - 2009, Intel Corporation                                                         \r
All rights reserved. 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
Module Name:\r
\r
 Reset.c\r
\r
Abstract:\r
\r
  Reset Architectural Protocol as defined in Tiano under UNIX Emulation\r
\r
--*/\r
\r
#include "PiDxe.h"\r
#include "UnixDxe.h"\r
#include <Protocol/Reset.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UnixLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeUnixReset (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  );\r
\r
VOID\r
EFIAPI\r
UnixResetSystem (\r
  IN EFI_RESET_TYPE   ResetType,\r
  IN EFI_STATUS       ResetStatus,\r
  IN UINTN            DataSize,\r
  IN VOID             *ResetData OPTIONAL\r
  );\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeUnixReset (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
\r
\r
Arguments:\r
\r
  ImageHandle of the loaded driver\r
  Pointer to the System Table\r
\r
Returns:\r
\r
  Status\r
--*/\r
// TODO:    SystemTable - add argument and description to function comment\r
{\r
  EFI_STATUS  Status;\r
  EFI_HANDLE  Handle;\r
\r
  SystemTable->RuntimeServices->ResetSystem = UnixResetSystem;\r
\r
  Handle = NULL;\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &Handle,\r
                  &gEfiResetArchProtocolGuid,\r
                  NULL,\r
                  NULL\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
VOID\r
EFIAPI\r
UnixResetSystem (\r
  IN EFI_RESET_TYPE   ResetType,\r
  IN EFI_STATUS       ResetStatus,\r
  IN UINTN            DataSize,\r
  IN VOID             *ResetData OPTIONAL\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  TODO: Add function description\r
\r
Arguments:\r
\r
  ResetType   - TODO: add argument description\r
  ResetStatus - TODO: add argument description\r
  DataSize    - TODO: add argument description\r
  ResetData   - TODO: add argument description\r
\r
Returns:\r
\r
  EFI_SUCCESS - TODO: Add description for return value\r
\r
--*/\r
{\r
  EFI_STATUS  Status;\r
  UINTN       HandleCount;\r
  EFI_HANDLE  *HandleBuffer;\r
  UINTN       Index;\r
\r
  //\r
  // Disconnect all\r
  //\r
  Status = gBS->LocateHandleBuffer (\r
                  AllHandles,\r
                  NULL,\r
                  NULL,\r
                  &HandleCount,\r
                  &HandleBuffer\r
                  );\r
  if (!EFI_ERROR (Status)) {\r
    for (Index = 0; Index < HandleCount; Index++) {\r
      Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);\r
    }\r
  \r
    gBS->FreePool (HandleBuffer);\r
  }\r
\r
\r
  //\r
  // Discard ResetType, always return 0 as exit code\r
  //\r
  gUnix->Exit (0);\r
\r
  //\r
  // Should never go here\r
  //\r
  ASSERT (FALSE);\r
\r
  return;\r
}\r