From 7d2bd1505b93135947045e24b6a1313799d44738 Mon Sep 17 00:00:00 2001 From: jljusten Date: Wed, 30 May 2012 23:15:00 +0000 Subject: [PATCH] OvmfPkg: Add AcpiPlatformDxe This driver is currently a direct copy of MdeModulePkg/Universal/Acpi/AcpiPlatformDxe. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen Reviewed-by: Laszlo Ersek git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13384 6f19259b-4bc3-4df7-8a09-765794883524 --- OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c | 260 ++++++++++++++++++++ OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf | 53 ++++ OvmfPkg/OvmfPkgIa32.dsc | 2 +- OvmfPkg/OvmfPkgIa32.fdf | 2 +- OvmfPkg/OvmfPkgIa32X64.dsc | 2 +- OvmfPkg/OvmfPkgIa32X64.fdf | 2 +- OvmfPkg/OvmfPkgX64.dsc | 2 +- OvmfPkg/OvmfPkgX64.fdf | 2 +- 8 files changed, 319 insertions(+), 6 deletions(-) create mode 100644 OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c create mode 100644 OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c new file mode 100644 index 0000000000..44bdd94fa8 --- /dev/null +++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c @@ -0,0 +1,260 @@ +/** @file + Sample ACPI Platform Driver + + Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.
+ 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 + +#include +#include + +#include +#include +#include +#include + +#include + +/** + Locate the first instance of a protocol. If the protocol requested is an + FV protocol, then it will return the first FV that contains the ACPI table + storage file. + + @param Instance Return pointer to the first instance of the protocol + + @return EFI_SUCCESS The function completed successfully. + @return EFI_NOT_FOUND The protocol could not be located. + @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol. + +**/ +EFI_STATUS +LocateFvInstanceWithTables ( + OUT EFI_FIRMWARE_VOLUME2_PROTOCOL **Instance + ) +{ + EFI_STATUS Status; + EFI_HANDLE *HandleBuffer; + UINTN NumberOfHandles; + EFI_FV_FILETYPE FileType; + UINT32 FvStatus; + EFI_FV_FILE_ATTRIBUTES Attributes; + UINTN Size; + UINTN Index; + EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance; + + FvStatus = 0; + + // + // Locate protocol. + // + Status = gBS->LocateHandleBuffer ( + ByProtocol, + &gEfiFirmwareVolume2ProtocolGuid, + NULL, + &NumberOfHandles, + &HandleBuffer + ); + if (EFI_ERROR (Status)) { + // + // Defined errors at this time are not found and out of resources. + // + return Status; + } + + + + // + // Looking for FV with ACPI storage file + // + + for (Index = 0; Index < NumberOfHandles; Index++) { + // + // Get the protocol on this handle + // This should not fail because of LocateHandleBuffer + // + Status = gBS->HandleProtocol ( + HandleBuffer[Index], + &gEfiFirmwareVolume2ProtocolGuid, + (VOID**) &FvInstance + ); + ASSERT_EFI_ERROR (Status); + + // + // See if it has the ACPI storage file + // + Status = FvInstance->ReadFile ( + FvInstance, + (EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile), + NULL, + &Size, + &FileType, + &Attributes, + &FvStatus + ); + + // + // If we found it, then we are done + // + if (Status == EFI_SUCCESS) { + *Instance = FvInstance; + break; + } + } + + // + // Our exit status is determined by the success of the previous operations + // If the protocol was found, Instance already points to it. + // + + // + // Free any allocated buffers + // + gBS->FreePool (HandleBuffer); + + return Status; +} + + +/** + This function calculates and updates an UINT8 checksum. + + @param Buffer Pointer to buffer to checksum + @param Size Number of bytes to checksum + +**/ +VOID +AcpiPlatformChecksum ( + IN UINT8 *Buffer, + IN UINTN Size + ) +{ + UINTN ChecksumOffset; + + ChecksumOffset = OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum); + + // + // Set checksum to 0 first + // + Buffer[ChecksumOffset] = 0; + + // + // Update checksum value + // + Buffer[ChecksumOffset] = CalculateCheckSum8(Buffer, Size); +} + + +/** + Entrypoint of Acpi Platform driver. + + @param ImageHandle + @param SystemTable + + @return EFI_SUCCESS + @return EFI_LOAD_ERROR + @return EFI_OUT_OF_RESOURCES + +**/ +EFI_STATUS +EFIAPI +AcpiPlatformEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + EFI_ACPI_TABLE_PROTOCOL *AcpiTable; + EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol; + INTN Instance; + EFI_ACPI_COMMON_HEADER *CurrentTable; + UINTN TableHandle; + UINT32 FvStatus; + UINTN TableSize; + UINTN Size; + + Instance = 0; + CurrentTable = NULL; + TableHandle = 0; + + // + // Find the AcpiTable protocol + // + Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable); + if (EFI_ERROR (Status)) { + return EFI_ABORTED; + } + + // + // Locate the firmware volume protocol + // + Status = LocateFvInstanceWithTables (&FwVol); + if (EFI_ERROR (Status)) { + return EFI_ABORTED; + } + // + // Read tables from the storage file. + // + while (Status == EFI_SUCCESS) { + + Status = FwVol->ReadSection ( + FwVol, + (EFI_GUID*)PcdGetPtr (PcdAcpiTableStorageFile), + EFI_SECTION_RAW, + Instance, + (VOID**) &CurrentTable, + &Size, + &FvStatus + ); + if (!EFI_ERROR(Status)) { + // + // Add the table + // + TableHandle = 0; + + TableSize = ((EFI_ACPI_DESCRIPTION_HEADER *) CurrentTable)->Length; + ASSERT (Size >= TableSize); + + // + // Checksum ACPI table + // + AcpiPlatformChecksum ((UINT8*)CurrentTable, TableSize); + + // + // Install ACPI table + // + Status = AcpiTable->InstallAcpiTable ( + AcpiTable, + CurrentTable, + TableSize, + &TableHandle + ); + + // + // Free memory allocated by ReadSection + // + gBS->FreePool (CurrentTable); + + if (EFI_ERROR(Status)) { + return EFI_ABORTED; + } + + // + // Increment the instance + // + Instance++; + CurrentTable = NULL; + } + } + + return EFI_SUCCESS; +} + diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf b/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf new file mode 100644 index 0000000000..1034a0ae1f --- /dev/null +++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf @@ -0,0 +1,53 @@ +## @file +# Sample ACPI Platform Driver +# +# Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.
+# 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 = AcpiPlatform + FILE_GUID = cb933912-df8f-4305-b1f9-7b44fa11395c + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = AcpiPlatformEntryPoint + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 IPF EBC +# + +[Sources] + AcpiPlatform.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + UefiLib + DxeServicesLib + PcdLib + BaseMemoryLib + DebugLib + UefiBootServicesTableLib + UefiDriverEntryPoint + +[Protocols] + gEfiAcpiTableProtocolGuid # PROTOCOL ALWAYS_CONSUMED + +[Pcd] + gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiTableStorageFile + +[Depex] + gEfiAcpiTableProtocolGuid + diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index ffd9238a71..f65efb0bd0 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -422,7 +422,7 @@ # ACPI Support # MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf - MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf + OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiTables/AcpiTables.inf # diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf index eda00ce097..1b46149917 100644 --- a/OvmfPkg/OvmfPkgIa32.fdf +++ b/OvmfPkg/OvmfPkgIa32.fdf @@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf -INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf +INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index fc2677f024..213854a16d 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -424,7 +424,7 @@ # ACPI Support # MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf - MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf + OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiTables/AcpiTables.inf # diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf index 7c98a6a2a8..4bcc069f85 100644 --- a/OvmfPkg/OvmfPkgIa32X64.fdf +++ b/OvmfPkg/OvmfPkgIa32X64.fdf @@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf -INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf +INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF RuleOverride = BINARY USE = X64 FatBinPkg/EnhancedFatDxe/Fat.inf diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index f2bd5a7a1f..ee33e83270 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -422,7 +422,7 @@ # ACPI Support # MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf - MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf + OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf OvmfPkg/AcpiTables/AcpiTables.inf # diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf index 4908298448..693174a9cd 100644 --- a/OvmfPkg/OvmfPkgX64.fdf +++ b/OvmfPkg/OvmfPkgX64.fdf @@ -210,7 +210,7 @@ INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf -INF MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatformDxe.inf +INF OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf INF RuleOverride=ACPITABLE OvmfPkg/AcpiTables/AcpiTables.inf INF RuleOverride = BINARY FatBinPkg/EnhancedFatDxe/Fat.inf -- 2.39.2