A Raw generator is a simple generator. This generator provides the ability to install a binary blob (that contains ACPI table data) as an ACPI table. The binary blob could be pre-generated ACPI table data or it may be the pre-compiled output from an iAsl compiler for a DSDT or SSDT table.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Sami Mujawar <sami.muja...@arm.com> --- DynamicTablesPkg/DynamicTables.dsc.inc | 8 +- DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf | 42 ++++++ DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/RawGenerator.c | 150 ++++++++++++++++++++ 3 files changed, 199 insertions(+), 1 deletion(-) diff --git a/DynamicTablesPkg/DynamicTables.dsc.inc b/DynamicTablesPkg/DynamicTables.dsc.inc index 0c47e85b88d737a914514be123e23370ee69e311..1dde21f393e9717c1d5adfbebe8dd8840da418c3 100644 --- a/DynamicTablesPkg/DynamicTables.dsc.inc +++ b/DynamicTablesPkg/DynamicTables.dsc.inc @@ -15,6 +15,9 @@ [Defines] +[BuildOptions] + *_*_*_ASL_FLAGS = -tc -li -so + [LibraryClasses.common] TableHelperLib|DynamicTablesPkg/Library/Common/TableHelperLib/TableHelperLib.inf @@ -22,7 +25,10 @@ [Components.common] # # Dynamic Table Factory Dxe # - DynamicTablesPkg/Drivers/DynamicTableFactoryDxe/DynamicTableFactoryDxe.inf + DynamicTablesPkg/Drivers/DynamicTableFactoryDxe/DynamicTableFactoryDxe.inf { + <LibraryClasses> + NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf + } # # Dynamic Tables Manager Dxe diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf b/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf new file mode 100644 index 0000000000000000000000000000000000000000..213dbd1cd7b69b3088afb09bdaaf1355c81d8f35 --- /dev/null +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf @@ -0,0 +1,42 @@ +## @file +# Raw Table Generator +# +# Copyright (c) 2017 - 2018, ARM Limited. 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 = 0x00010019 + BASE_NAME = AcpiRawLibArm + FILE_GUID = 20F31568-D687-49BA-B326-CCD9D38EDE16 + VERSION_STRING = 1.0 + MODULE_TYPE = DXE_DRIVER + LIBRARY_CLASS = NULL|DXE_DRIVER + CONSTRUCTOR = AcpiRawLibConstructor + DESTRUCTOR = AcpiRawLibDestructor + +[Sources] + RawGenerator.c + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + EmbeddedPkg/EmbeddedPkg.dec + DynamicTablesPkg/DynamicTablesPkg.dec + +[LibraryClasses] + BaseLib + +[Pcd] + +[Protocols] + +[Guids] + diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/RawGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/RawGenerator.c new file mode 100644 index 0000000000000000000000000000000000000000..ae3d3eca1d2f64cfc101fdd0b18da5019bdfe32e --- /dev/null +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/RawGenerator.c @@ -0,0 +1,150 @@ +/** @file + MCFG Table Generator + + Copyright (c) 2017 - 2019, ARM Limited. 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 <Library/AcpiLib.h> +#include <Library/DebugLib.h> +#include <Protocol/AcpiTable.h> + +// Module specific include files. +#include <AcpiTableGenerator.h> +#include <ConfigurationManagerObject.h> +#include <ConfigurationManagerHelper.h> +#include <Library/TableHelperLib.h> +#include <Protocol/ConfigurationManagerProtocol.h> + +/** Construct the ACPI table using the ACPI table data provided. + + This function invokes the Configuration Manager protocol interface + to get the required hardware information for generating the ACPI + table. + + If this function allocates any resources then they must be freed + in the FreeXXXXTableResources function. + + @param [in] This Pointer to the table generator. + @param [in] AcpiTableInfo Pointer to the ACPI Table Info. + @param [in] CfgMgrProtocol Pointer to the Configuration Manager + Protocol Interface. + @param [out] Table Pointer to the constructed ACPI Table. + + @retval EFI_SUCCESS Table generated successfully. + @retval EFI_INVALID_PARAMETER A parameter is invalid. +**/ +STATIC +EFI_STATUS +EFIAPI +BuildRawTable ( + IN CONST ACPI_TABLE_GENERATOR * CONST This, + IN CONST CM_STD_OBJ_ACPI_TABLE_INFO * CONST AcpiTableInfo, + IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol, + OUT EFI_ACPI_DESCRIPTION_HEADER ** CONST Table + ) +{ + ASSERT (This != NULL); + ASSERT (AcpiTableInfo != NULL); + ASSERT (CfgMgrProtocol != NULL); + ASSERT (Table != NULL); + ASSERT (AcpiTableInfo->TableGeneratorId == This->GeneratorID); + ASSERT (AcpiTableInfo->AcpiTableData != NULL); + + if (AcpiTableInfo->AcpiTableData == NULL) { + *Table = NULL; + return EFI_INVALID_PARAMETER; + } + + *Table = AcpiTableInfo->AcpiTableData; + + return EFI_SUCCESS; +} + +/** This macro defines the Raw Generator revision. +*/ +#define RAW_GENERATOR_REVISION CREATE_REVISION (1, 0) + +/** The interface for the Raw Table Generator. +*/ +STATIC +CONST +ACPI_TABLE_GENERATOR RawGenerator = { + // Generator ID + CREATE_STD_ACPI_TABLE_GEN_ID (EStdAcpiTableIdRaw), + // Generator Description + L"ACPI.STD.RAW.GENERATOR", + // ACPI Table Signature - Unused + 0, + // ACPI Table Revision - Unused + 0, + // Minimum ACPI Table Revision - Unused + 0, + // Creator ID + TABLE_GENERATOR_CREATOR_ID_ARM, + // Creator Revision + RAW_GENERATOR_REVISION, + // Build Table function + BuildRawTable, + // No additional resources are allocated by the generator. + // Hence the Free Resource function is not required. + NULL, + // Extended build function not needed + NULL, + // Extended build function not implemented by the generator. + // Hence extended free resource function is not required. + NULL +}; + +/** Register the Generator with the ACPI Table Factory. + + @param [in] ImageHandle The handle to the image. + @param [in] SystemTable Pointer to the System Table. + + @retval EFI_SUCCESS The Generator is registered. + @retval EFI_INVALID_PARAMETER A parameter is invalid. + @retval EFI_ALREADY_STARTED The Generator for the Table ID + is already registered. +**/ +EFI_STATUS +EFIAPI +AcpiRawLibConstructor ( + IN CONST EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE * CONST SystemTable + ) +{ + EFI_STATUS Status; + Status = RegisterAcpiTableGenerator (&RawGenerator); + DEBUG ((DEBUG_INFO, "RAW: Register Generator. Status = %r\n", Status)); + ASSERT_EFI_ERROR (Status); + return Status; +} + +/** Deregister the Generator from the ACPI Table Factory. + + @param [in] ImageHandle The handle to the image. + @param [in] SystemTable Pointer to the System Table. + + @retval EFI_SUCCESS The Generator is deregistered. + @retval EFI_INVALID_PARAMETER A parameter is invalid. + @retval EFI_NOT_FOUND The Generator is not registered. +**/ +EFI_STATUS +EFIAPI +AcpiRawLibDestructor ( + IN CONST EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE * CONST SystemTable + ) +{ + EFI_STATUS Status; + Status = DeregisterAcpiTableGenerator (&RawGenerator); + DEBUG ((DEBUG_INFO, "RAW: Deregister Generator. Status = %r\n", Status)); + ASSERT_EFI_ERROR (Status); + return Status; +} -- 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)' _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel