Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <ler...@redhat.com> Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com> --- OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesSmm.inf | 89 ++++++++++++++++++++ OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceSmm.c | 66 +++++++++++++++ 2 files changed, 155 insertions(+)
diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesSmm.inf b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesSmm.inf new file mode 100644 index 0000000..6af0649 --- /dev/null +++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FvbServicesSmm.inf @@ -0,0 +1,89 @@ +## @file +# Component description file for QEMU Flash Fimware Volume Block SMM driver +# module. +# +# This SMM driver implements and produces the SMM Fimware Volue Block Protocol +# for a QEMU flash device. +# +# Copyright (C) 2015, Red Hat, Inc. +# Copyright (c) 2006 - 2013, 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 = FvbServicesSmm + FILE_GUID = 2E7DB7A7-608E-4041-B45F-00359E0766C6 + MODULE_TYPE = DXE_SMM_DRIVER + VERSION_STRING = 1.0 + PI_SPECIFICATION_VERSION = 0x0001000A + ENTRY_POINT = FvbInitialize + +# +# The following information is for reference only and not required by the build +# tools. +# +# VALID_ARCHITECTURES = IA32 X64 +# + +[Sources] + FvbInfo.c + FwBlockService.c + FwBlockServiceSmm.c + QemuFlash.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + OvmfPkg/OvmfPkg.dec + +[LibraryClasses] + BaseLib + BaseMemoryLib + DebugLib + DevicePathLib + DxeServicesTableLib + MemoryAllocationLib + PcdLib + SmmServicesTableLib + UefiBootServicesTableLib + UefiDriverEntryPoint + +[Guids] + +[Protocols] + gEfiSmmFirmwareVolumeBlockProtocolGuid # PROTOCOL ALWAYS_PRODUCED + gEfiDevicePathProtocolGuid # PROTOCOL ALWAYS_PRODUCED + +[FixedPcd] + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFdBaseAddress + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize + +[Pcd] + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable + + +[Depex] + TRUE diff --git a/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceSmm.c b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceSmm.c new file mode 100644 index 0000000..e77129e --- /dev/null +++ b/OvmfPkg/QemuFlashFvbServicesRuntimeDxe/FwBlockServiceSmm.c @@ -0,0 +1,66 @@ +/**@file + Functions related to the Firmware Volume Block service whose + implementation is specific to the SMM driver build. + + Copyright (C) 2015, Red Hat, Inc. + Copyright (c) 2006 - 2014, 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 <Library/DebugLib.h> +#include <Library/SmmServicesTableLib.h> +#include <Protocol/DevicePath.h> +#include <Protocol/SmmFirmwareVolumeBlock.h> + +#include "FwBlockService.h" + +VOID +InstallProtocolInterfaces ( + IN EFI_FW_VOL_BLOCK_DEVICE *FvbDevice + ) +{ + EFI_HANDLE FvbHandle; + EFI_STATUS Status; + + // + // There is no SMM service that can install multiple protocols in the SMM + // protocol database in one go. + // + // The SMM Firmware Volume Block protocol structure is the same as the + // Firmware Volume Block protocol structure. + // + FvbHandle = NULL; + DEBUG ((EFI_D_INFO, "Installing QEMU flash SMM FVB\n")); + Status = gSmst->SmmInstallProtocolInterface ( + &FvbHandle, + &gEfiSmmFirmwareVolumeBlockProtocolGuid, + EFI_NATIVE_INTERFACE, + &FvbDevice->FwVolBlockInstance + ); + ASSERT_EFI_ERROR (Status); + + Status = gSmst->SmmInstallProtocolInterface ( + &FvbHandle, + &gEfiDevicePathProtocolGuid, + EFI_NATIVE_INTERFACE, + FvbDevice->DevicePath + ); + ASSERT_EFI_ERROR (Status); +} + +VOID +InstallVirtualAddressChangeHandler ( + VOID + ) +{ + // + // Nothing. + // +} -- 1.8.3.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
