diff options
Diffstat (limited to 'Core/PcAtChipsetPkg/KbcResetDxe/ResetEntry.c')
-rw-r--r-- | Core/PcAtChipsetPkg/KbcResetDxe/ResetEntry.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Core/PcAtChipsetPkg/KbcResetDxe/ResetEntry.c b/Core/PcAtChipsetPkg/KbcResetDxe/ResetEntry.c new file mode 100644 index 0000000000..03b425019d --- /dev/null +++ b/Core/PcAtChipsetPkg/KbcResetDxe/ResetEntry.c @@ -0,0 +1,106 @@ +/** @file
+ Driver entry for KbcReset driver.
+
+Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#include <PiDxe.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/ResetSystemLib.h>
+
+#include <Protocol/Reset.h>
+
+//
+// The handle onto which the Reset Architectural Protocol is installed
+//
+EFI_HANDLE mResetHandle = NULL;
+
+/**
+ Reset the system.
+
+ @param ResetType warm or cold
+ @param ResetStatus possible cause of reset
+ @param DataSize Size of ResetData in bytes
+ @param ResetData Optional Unicode string
+
+**/
+VOID
+EFIAPI
+KbcResetSystem (
+ IN EFI_RESET_TYPE ResetType,
+ IN EFI_STATUS ResetStatus,
+ IN UINTN DataSize,
+ IN VOID *ResetData OPTIONAL
+ )
+{
+ switch (ResetType) {
+ case EfiResetWarm:
+ ResetWarm ();
+ break;
+ case EfiResetCold:
+ ResetCold ();
+ break;
+ case EfiResetShutdown:
+ ResetShutdown ();
+ break;
+ default:
+ return;
+ }
+
+ //
+ // Given we should have reset getting here would be bad
+ //
+ ASSERT (FALSE);
+}
+
+/**
+ Initialize the state information for the Reset Architectural Protocol.
+
+ @param ImageHandle Handle of the loaded driver
+ @param SystemTable Pointer to the System Table
+
+ @retval EFI_SUCCESS Thread can be successfully created
+ @retval EFI_OUT_OF_RESOURCES Cannot allocate protocol data structure
+ @retval EFI_DEVICE_ERROR Cannot create the timer service
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeReset (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Make sure the Reset Architectural Protocol is not already installed in the system
+ //
+ ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);
+
+ //
+ // Hook the runtime service table
+ //
+ SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;
+
+ //
+ // Now install the Reset RT AP on a new handle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mResetHandle,
+ &gEfiResetArchProtocolGuid, NULL,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
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