Add ArmPlatformPkg from ARM Ltd. patch.

[mirror_edk2.git] / ArmPlatformPkg / ArmRealViewEbPkg / Library / ResetSystemLib / ResetSystemLib.c

diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ResetSystemLib/ResetSystemLib.c b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ResetSystemLib/ResetSystemLib.c
new file mode 100644 (file)
index 0000000..0c11956
--- /dev/null
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -0,0 +1,87 @@
+/** @file\r
+  Template library implementation to support ResetSystem Runtime call.\r
+  \r
+  Fill in the templates with what ever makes you system reset.\r
+\r
+\r
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\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
+\r
+#include <PiDxe.h>\r
+\r
+#include <Library/BaseLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/EfiResetSystemLib.h>\r
+#include <Drivers/PL011Uart.h>\r
+\r
+/**\r
+  Resets the entire platform.\r
+\r
+  @param  ResetType             The type of reset to perform.\r
+  @param  ResetStatus           The status code for the reset.\r
+  @param  DataSize              The size, in bytes, of WatchdogData.\r
+  @param  ResetData             For a ResetType of EfiResetCold, EfiResetWarm, or\r
+                                EfiResetShutdown the data buffer starts with a Null-terminated\r
+                                Unicode string, optionally followed by additional binary data.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+LibResetSystem (\r
+  IN EFI_RESET_TYPE   ResetType,\r
+  IN EFI_STATUS       ResetStatus,\r
+  IN UINTN            DataSize,\r
+  IN CHAR16           *ResetData OPTIONAL\r
+  )\r
+{\r
+  if (ResetData != NULL) {\r
+    DEBUG ((EFI_D_ERROR, "%s", ResetData));\r
+  }\r
+\r
+  switch (ResetType) {\r
+  case EfiResetWarm:\r
+    // Map a warm reset into a cold reset\r
+  case EfiResetCold:\r
+  case EfiResetShutdown:\r
+  default:\r
+    CpuDeadLoop ();\r
+    break;\r
+  }\r
+\r
+  // If the reset didn't work, return an error.\r
+  ASSERT (FALSE);\r
+  return EFI_DEVICE_ERROR;\r
+}\r
+  \r
+\r
+\r
+/**\r
+  Initialize any infrastructure required for LibResetSystem () to function.\r
+\r
+  @param  ImageHandle   The firmware allocated handle for the EFI image.\r
+  @param  SystemTable   A pointer to the EFI System Table.\r
+  \r
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+LibInitializeResetSystem (\r
+  IN EFI_HANDLE        ImageHandle,\r
+  IN EFI_SYSTEM_TABLE  *SystemTable\r
+  )\r
+{\r
+  return EFI_SUCCESS;\r
+}\r
+\r