diff options
Diffstat (limited to 'MdeModulePkg/Library')
3 files changed, 287 insertions, 0 deletions
diff --git a/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c new file mode 100644 index 0000000..17826cd --- /dev/null +++ b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c @@ -0,0 +1,216 @@ +/** @file
+ DXE Reset System Library instance that calls gRT->ResetSystem().
+
+ Copyright (c) 2017 - 2019, 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/ResetSystemLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+EFI_EVENT mRuntimeResetSystemLibVirtualAddressChangeEvent;
+EFI_RUNTIME_SERVICES *mInternalRT;
+
+/**
+ This function causes a system-wide reset (cold reset), in which
+ all circuitry within the system returns to its initial state. This type of reset
+ is asynchronous to system operation and operates without regard to
+ cycle boundaries.
+
+ If this function returns, it means that the system does not support cold reset.
+**/
+VOID
+EFIAPI
+ResetCold (
+ VOID
+ )
+{
+ mInternalRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
+}
+
+/**
+ This function causes a system-wide initialization (warm reset), in which all processors
+ are set to their initial state. Pending cycles are not corrupted.
+
+ If this function returns, it means that the system does not support warm reset.
+**/
+VOID
+EFIAPI
+ResetWarm (
+ VOID
+ )
+{
+ mInternalRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
+}
+
+/**
+ This function causes the system to enter a power state equivalent
+ to the ACPI G2/S5 or G3 states.
+
+ If this function returns, it means that the system does not support shut down reset.
+**/
+VOID
+EFIAPI
+ResetShutdown (
+ VOID
+ )
+{
+ mInternalRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);
+}
+
+/**
+ This function causes the system to enter S3 and then wake up immediately.
+
+ If this function returns, it means that the system does not support S3 feature.
+**/
+VOID
+EFIAPI
+EnterS3WithImmediateWake (
+ VOID
+ )
+{
+}
+
+/**
+ This function causes a systemwide reset. The exact type of the reset is
+ defined by the EFI_GUID that follows the Null-terminated Unicode string passed
+ into ResetData. If the platform does not recognize the EFI_GUID in ResetData
+ the platform must pick a supported reset type to perform.The platform may
+ optionally log the parameters from any non-normal reset that occurs.
+
+ @param[in] DataSize The size, in bytes, of ResetData.
+ @param[in] ResetData The data buffer starts with a Null-terminated string,
+ followed by the EFI_GUID.
+**/
+VOID
+EFIAPI
+ResetPlatformSpecific (
+ IN UINTN DataSize,
+ IN VOID *ResetData
+ )
+{
+ mInternalRT->ResetSystem (EfiResetPlatformSpecific, EFI_SUCCESS, DataSize, ResetData);
+}
+
+/**
+ The ResetSystem function resets the entire platform.
+
+ @param[in] ResetType The type of reset to perform.
+ @param[in] ResetStatus The status code for the reset.
+ @param[in] DataSize The size, in bytes, of ResetData.
+ @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown
+ the data buffer starts with a Null-terminated string, optionally
+ followed by additional binary data. The string is a description
+ that the caller may use to further indicate the reason for the
+ system reset. ResetData is only valid if ResetStatus is something
+ other than EFI_SUCCESS unless the ResetType is EfiResetPlatformSpecific
+ where a minimum amount of ResetData is always required.
+**/
+VOID
+EFIAPI
+ResetSystem (
+ IN EFI_RESET_TYPE ResetType,
+ IN EFI_STATUS ResetStatus,
+ IN UINTN DataSize,
+ IN VOID *ResetData OPTIONAL
+ )
+{
+ mInternalRT->ResetSystem (ResetType, ResetStatus, DataSize, ResetData);
+}
+
+/**
+ Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
+
+ @param Event Event whose notification function is being invoked.
+ @param Context Pointer to the notification function's context
+
+**/
+VOID
+EFIAPI
+RuntimeResetSystemLibVirtualAddressChange (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ mInternalRT->ConvertPointer (0, (VOID **) &mInternalRT);
+}
+
+/**
+ The constructor function of Runtime Reset System Lib.
+
+ This function allocates memory for extended status code data, caches
+ the report status code service, and registers events.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+RuntimeResetSystemLibConstruct (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Library should not use the gRT directly, for it may be converted by other library instance.
+ //
+ mInternalRT = gRT;
+
+ //
+ // Register notify function for EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ RuntimeResetSystemLibVirtualAddressChange,
+ NULL,
+ &gEfiEventVirtualAddressChangeGuid,
+ &mRuntimeResetSystemLibVirtualAddressChangeEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ The Deconstructor function of Runtime Reset System Lib.
+
+ The destructor function frees memory allocated by constructor, and closes related events.
+ It will ASSERT() if that related operation fails and it will always return EFI_SUCCESS.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+RuntimeResetSystemLibDeconstruct (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (gBS != NULL);
+ Status = gBS->CloseEvent (mRuntimeResetSystemLibVirtualAddressChangeEvent);
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
diff --git a/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.inf b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.inf new file mode 100644 index 0000000..0a43b28 --- /dev/null +++ b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.inf @@ -0,0 +1,50 @@ +## @file
+# Runtime Reset System Library instance that calls gRT->ResetSystem().
+#
+# Copyright (c) 2017 - 2019, 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = RuntimeResetSystemLib
+ MODULE_UNI_FILE = RuntimeResetSystemLib.uni
+ FILE_GUID = DD5D0821-F343-4C85-9CD9-54B3C1A19CEA
+ MODULE_TYPE = DXE_RUNTIME_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib|DXE_RUNTIME_DRIVER
+
+ CONSTRUCTOR = RuntimeResetSystemLibConstruct
+ DESTRUCTOR = RuntimeResetSystemLibDeconstruct
+
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ RuntimeResetSystemLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ UefiRuntimeServicesTableLib
+ UefiBootServicesTableLib
+ DebugLib
+
+[Guids]
+ gEfiEventVirtualAddressChangeGuid ## CONSUMES ## Event
+
+[Depex]
+ gEfiResetArchProtocolGuid
diff --git a/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.uni b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.uni new file mode 100644 index 0000000..e560643 --- /dev/null +++ b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.uni @@ -0,0 +1,21 @@ +// /** @file
+// Runtime Reset System Library instance that calls gRT->ResetSystem().
+//
+// Runtime Reset System Library instance that calls gRT->ResetSystem().
+//
+// Copyright (c) 2019, 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.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "Runtime Reset System Library instance that calls gRT->ResetSystem()"
+
+#string STR_MODULE_DESCRIPTION #language en-US "Runtime Reset System Library instance that calls gRT->ResetSystem()."
+
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