BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1461
Implement a runtime library instance of ResetSystemLib. It would use a internal point instead of gRT and convert it depend on gEfiEventVirtualAddressChangeGuid. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Zhichao Gao <zhichao....@intel.com> Cc: Ray Ni <ray...@intel.com> Cc: Liming Gao <liming....@intel.com> --- .../RuntimeResetSystemLib/RuntimeResetSystemLib.c | 216 +++++++++++++++++++++ .../RuntimeResetSystemLib.inf | 50 +++++ .../RuntimeResetSystemLib.uni | 21 ++ 3 files changed, 287 insertions(+) create mode 100644 MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c create mode 100644 MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.inf create mode 100644 MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.uni diff --git a/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c b/MdeModulePkg/Library/RuntimeResetSystemLib/RuntimeResetSystemLib.c new file mode 100644 index 0000000000..17826cd6a9 --- /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 0000000000..0a43b2827e --- /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 0000000000..e560643c10 --- /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()." + -- 2.16.2.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
