The FADT generator collates the relevant information required
for generating a FADT table from configuration manager using
the configuration manager protocol. It then updates a template
FADT table structure. This table data is used by the Table
Manager to install the FADT table.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Sami Mujawar <sami.muja...@arm.com>
---
DynamicTablesPkg/DynamicTables.dsc.inc | 1 +
DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/AcpiFadtLibArm.inf | 42 ++
DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/FadtGenerator.c | 668
++++++++++++++++++++
3 files changed, 711 insertions(+)
diff --git a/DynamicTablesPkg/DynamicTables.dsc.inc
b/DynamicTablesPkg/DynamicTables.dsc.inc
index
9b733d39776d183122815aa850747fba8110b643..742bd1e1d87f9c2ce82abd705ef0a501fd294fba
100644
--- a/DynamicTablesPkg/DynamicTables.dsc.inc
+++ b/DynamicTablesPkg/DynamicTables.dsc.inc
@@ -27,6 +27,7 @@ [Components.common]
#
DynamicTablesPkg/Drivers/DynamicTableFactoryDxe/DynamicTableFactoryDxe.inf {
<LibraryClasses>
+ NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/AcpiFadtLibArm.inf
NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiRawLibArm/AcpiRawLibArm.inf
}
diff --git
a/DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/AcpiFadtLibArm.inf
b/DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/AcpiFadtLibArm.inf
new file mode 100644
index
0000000000000000000000000000000000000000..e772409069caad8563e37be43ec2841f9d22e62d
--- /dev/null
+++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/AcpiFadtLibArm.inf
@@ -0,0 +1,42 @@
+## @file
+# FADT 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 = AcpiFadtLibArm
+ FILE_GUID = 686FE5FE-B944-485F-8B1C-7D60E0056487
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_DRIVER
+ LIBRARY_CLASS = NULL|DXE_DRIVER
+ CONSTRUCTOR = AcpiFadtLibConstructor
+ DESTRUCTOR = AcpiFadtLibDestructor
+
+[Sources]
+ FadtGenerator.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/AcpiFadtLibArm/FadtGenerator.c
b/DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/FadtGenerator.c
new file mode 100644
index
0000000000000000000000000000000000000000..07bedfc14fd2f14bbebc72bd4b4be9eb5b8682eb
--- /dev/null
+++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiFadtLibArm/FadtGenerator.c
@@ -0,0 +1,668 @@
+/** @file
+ FADT 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.
+
+ @par Reference(s):
+ - ACPI 6.2 Specification - Errata A, September 2017
+
+**/
+
+#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>
+
+/** ARM standard FADT Generator
+
+Requirements:
+ The following Configuration Manager Object(s) are required by
+ this Generator:
+ - EArmObjPowerManagementProfileInfo
+ - EArmObjBootArchInfo
+ - EArmObjHypervisorVendorIdentity (OPTIONAL)
+*/
+
+/** This macro defines the FADT flag options for ARM Platforms.
+*/
+#define FADT_FLAGS (EFI_ACPI_6_2_HW_REDUCED_ACPI | \
+ EFI_ACPI_6_2_LOW_POWER_S0_IDLE_CAPABLE)
+
+/** This macro defines the valid mask for the FADT flag option
+ if HW_REDUCED_ACPI flag in the table is set.
+
+ Invalid bits are: 1, 2, 3,7, 8, 13, 14,16, 17 and
+ 22-31 (reserved).
+
+ Valid bits are:
+ EFI_ACPI_6_2_WBINVD BIT0
+ EFI_ACPI_6_2_PWR_BUTTON BIT4
+ EFI_ACPI_6_2_SLP_BUTTON BIT5
+ EFI_ACPI_6_2_FIX_RTC BIT6
+ EFI_ACPI_6_2_DCK_CAP BIT9
+ EFI_ACPI_6_2_RESET_REG_SUP BIT10
+ EFI_ACPI_6_2_SEALED_CASE BIT11
+ EFI_ACPI_6_2_HEADLESS BIT12
+ EFI_ACPI_6_2_USE_PLATFORM_CLOCK BIT15
+ EFI_ACPI_6_2_FORCE_APIC_CLUSTER_MODEL BIT18
+ EFI_ACPI_6_2_FORCE_APIC_PHYSICAL_DESTINATION_MODE BIT19
+ EFI_ACPI_6_2_HW_REDUCED_ACPI BIT20
+ EFI_ACPI_6_2_LOW_POWER_S0_IDLE_CAPABLE BIT21
+*/
+#define VALID_HARDWARE_REDUCED_FLAG_MASK ( \
+ EFI_ACPI_6_2_WBINVD | \
+ EFI_ACPI_6_2_PWR_BUTTON | \
+ EFI_ACPI_6_2_SLP_BUTTON | \
+ EFI_ACPI_6_2_FIX_RTC | \
+ EFI_ACPI_6_2_DCK_CAP | \
+ EFI_ACPI_6_2_RESET_REG_SUP | \
+ EFI_ACPI_6_2_SEALED_CASE | \
+ EFI_ACPI_6_2_HEADLESS | \
+ EFI_ACPI_6_2_USE_PLATFORM_CLOCK | \
+ EFI_ACPI_6_2_FORCE_APIC_CLUSTER_MODEL | \
+ EFI_ACPI_6_2_FORCE_APIC_PHYSICAL_DESTINATION_MODE | \
+ EFI_ACPI_6_2_HW_REDUCED_ACPI | \
+ EFI_ACPI_6_2_LOW_POWER_S0_IDLE_CAPABLE)
+
+#pragma pack(1)
+
+/** The AcpiFadt is a template EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE
+ structure used for generating the FADT Table.
+ Note: fields marked with "{Template}" will be updated dynamically.
+*/
+STATIC
+EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE AcpiFadt = {
+ ACPI_HEADER (
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE,
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_REVISION
+ ),
+ // UINT32 FirmwareCtrl
+ 0,
+ // UINT32 Dsdt
+ 0,
+ // UINT8 Reserved0
+ EFI_ACPI_RESERVED_BYTE,
+ // UINT8 PreferredPmProfile
+ EFI_ACPI_6_2_PM_PROFILE_UNSPECIFIED, // {Template}: Power Management Profile
+ // UINT16 SciInt
+ 0,
+ // UINT32 SmiCmd
+ 0,
+ // UINT8 AcpiEnable
+ 0,
+ // UINT8 AcpiDisable
+ 0,
+ // UINT8 S4BiosReq
+ 0,
+ // UINT8 PstateCnt
+ 0,
+ // UINT32 Pm1aEvtBlk
+ 0,
+ // UINT32 Pm1bEvtBlk
+ 0,
+ // UINT32 Pm1aCntBlk
+ 0,
+ // UINT32 Pm1bCntBlk
+ 0,
+ // UINT32 Pm2CntBlk
+ 0,
+ // UINT32 PmTmrBlk
+ 0,
+ // UINT32 Gpe0Blk
+ 0,
+ // UINT32 Gpe1Blk
+ 0,
+ // UINT8 Pm1EvtLen
+ 0,
+ // UINT8 Pm1CntLen
+ 0,
+ // UINT8 Pm2CntLen
+ 0,
+ // UINT8 PmTmrLen
+ 0,
+ // UINT8 Gpe0BlkLen
+ 0,
+ // UINT8 Gpe1BlkLen
+ 0,
+ // UINT8 Gpe1Base
+ 0,
+ // UINT8 CstCnt
+ 0,
+ // UINT16 PLvl2Lat
+ 0,
+ // UINT16 PLvl3Lat
+ 0,
+ // UINT16 FlushSize
+ 0,
+ // UINT16 FlushStride
+ 0,
+ // UINT8 DutyOffset
+ 0,
+ // UINT8 DutyWidth
+ 0,
+ // UINT8 DayAlrm
+ 0,
+ // UINT8 MonAlrm
+ 0,
+ // UINT8 Century
+ 0,
+ // UINT16 IaPcBootArch
+ 0,
+ // UINT8 Reserved1
+ 0,
+ // UINT32 Flags
+ FADT_FLAGS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE ResetReg
+ NULL_GAS,
+ // UINT8 ResetValue
+ 0,
+ // UINT16 ArmBootArch
+ EFI_ACPI_6_2_ARM_PSCI_COMPLIANT, // {Template}: ARM Boot Architecture Flags
+ // UINT8 MinorRevision
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_MINOR_REVISION,
+ // UINT64 XFirmwareCtrl
+ 0,
+ // UINT64 XDsdt
+ 0,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPm1aEvtBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPm1bEvtBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPm1aCntBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPm1bCntBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPm2CntBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XPmTmrBlk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XGpe0Blk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE XGpe1Blk
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE SleepControlReg
+ NULL_GAS,
+ // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE SleepStatusReg
+ NULL_GAS,
+ // UINT64 HypervisorVendorIdentity
+ EFI_ACPI_RESERVED_QWORD // {Template}: Hypervisor Vendor ID
+};
+
+#pragma pack()
+
+/** This macro expands to a function that retrieves the Power
+ Management Profile Information from the Configuration Manager.
+*/
+GET_OBJECT_LIST (
+ EObjNameSpaceArm,
+ EArmObjPowerManagementProfileInfo,
+ CM_ARM_POWER_MANAGEMENT_PROFILE_INFO
+ );
+
+/** This macro expands to a function that retrieves the Boot
+ Architecture Information from the Configuration Manager.
+*/
+GET_OBJECT_LIST (
+ EObjNameSpaceArm,
+ EArmObjBootArchInfo,
+ CM_ARM_BOOT_ARCH_INFO
+ );
+
+/** This macro expands to a function that retrieves the Hypervisor
+ Vendor ID from the Configuration Manager.
+*/
+GET_OBJECT_LIST (
+ EObjNameSpaceArm,
+ EArmObjHypervisorVendorIdentity,
+ CM_ARM_HYPERVISOR_VENDOR_ID
+ );
+
+/** This macro expands to a function that retrieves the Fixed
+ feature flags for the platform from the Configuration Manager.
+*/
+GET_OBJECT_LIST (
+ EObjNameSpaceArm,
+ EArmObjFixedFeatureFlags,
+ CM_ARM_FIXED_FEATURE_FLAGS
+ );
+
+/** Update the Power Management Profile information in the FADT Table.
+
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol Interface.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The required object was not found.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for the
+ requested object.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+FadtAddPmProfileInfo (
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol
+)
+{
+ EFI_STATUS Status;
+ CM_ARM_POWER_MANAGEMENT_PROFILE_INFO * PmProfile;
+
+ ASSERT (CfgMgrProtocol != NULL);
+
+ // Get the Power Management Profile from the Platform Configuration Manager
+ Status = GetEArmObjPowerManagementProfileInfo (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &PmProfile,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Failed to get Power Management Profile information." \
+ " Status = %r\n",
+ Status
+ ));
+ goto error_handler;
+ }
+
+ DEBUG ((
+ DEBUG_INFO,
+ "FADT: PreferredPmProfile = 0x%x\n",
+ PmProfile->PowerManagementProfile
+ ));
+
+ AcpiFadt.PreferredPmProfile = PmProfile->PowerManagementProfile;
+
+error_handler:
+ return Status;
+}
+
+/** Updates the Boot Architecture information in the FADT Table.
+
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol Interface.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The required object was not found.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for the
+ requested object.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+FadtAddBootArchInfo (
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol
+)
+{
+ EFI_STATUS Status;
+ CM_ARM_BOOT_ARCH_INFO * BootArchInfo;
+
+ ASSERT (CfgMgrProtocol != NULL);
+
+ // Get the Boot Architecture flags from the Platform Configuration Manager
+ Status = GetEArmObjBootArchInfo (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &BootArchInfo,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Failed to get Boot Architecture flags. Status = %r\n",
+ Status
+ ));
+ goto error_handler;
+ }
+
+ DEBUG ((
+ DEBUG_INFO,
+ "FADT BootArchFlag = 0x%x\n",
+ BootArchInfo->BootArchFlags
+ ));
+
+ AcpiFadt.ArmBootArch = BootArchInfo->BootArchFlags;
+
+error_handler:
+ return Status;
+}
+
+/** Update the Hypervisor Vendor ID in the FADT Table.
+
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol Interface.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The required object was not found.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for the
+ requested object.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+FadtAddHypervisorVendorId (
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol
+)
+{
+ EFI_STATUS Status;
+ CM_ARM_HYPERVISOR_VENDOR_ID * HypervisorVendorInfo;
+
+ ASSERT (CfgMgrProtocol != NULL);
+
+ // Get the Hypervisor Vendor ID from the Platform Configuration Manager
+ Status = GetEArmObjHypervisorVendorIdentity (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &HypervisorVendorInfo,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_NOT_FOUND) {
+ DEBUG ((
+ DEBUG_INFO,
+ "INFO: FADT: Platform does not have a Hypervisor Vendor ID."
+ "Status = %r\n",
+ Status
+ ));
+ } else {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Failed to get Hypervisor Vendor ID. Status = %r\n",
+ Status
+ ));
+ }
+ goto error_handler;
+ }
+
+ DEBUG ((
+ DEBUG_INFO,
+ "FADT: EArmObjHypervisorVendorIdentity = 0x%lx\n",
+ HypervisorVendorInfo->HypervisorVendorId
+ ));
+
+ AcpiFadt.HypervisorVendorIdentity = HypervisorVendorInfo->HypervisorVendorId;
+
+error_handler:
+ return Status;
+}
+
+/** Update the Fixed Feature Flags in the FADT Table.
+
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol Interface.
+
+ @retval EFI_SUCCESS Success.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The required object was not found.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for the
+ requested object.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+FadtAddFixedFeatureFlags (
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol
+)
+{
+ EFI_STATUS Status;
+ CM_ARM_FIXED_FEATURE_FLAGS * FixedFeatureFlags;
+
+ ASSERT (CfgMgrProtocol != NULL);
+
+ // Get the Fixed feature flags from the Platform Configuration Manager
+ Status = GetEArmObjFixedFeatureFlags (
+ CfgMgrProtocol,
+ CM_NULL_TOKEN,
+ &FixedFeatureFlags,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_NOT_FOUND) {
+ DEBUG ((
+ DEBUG_INFO,
+ "INFO: FADT: Platform does not define additional Fixed feature flags."
+ "Status = %r\n",
+ Status
+ ));
+ } else {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Failed to get Fixed feature flags. Status = %r\n",
+ Status
+ ));
+ }
+ goto error_handler;
+ }
+
+ DEBUG ((
+ DEBUG_INFO,
+ "FADT: EArmObjFixedFeatureFlags = 0x%x\n",
+ FixedFeatureFlags->Flags
+ ));
+
+ if ((FixedFeatureFlags->Flags & ~(VALID_HARDWARE_REDUCED_FLAG_MASK)) != 0) {
+ DEBUG ((
+ DEBUG_WARN,
+ "FADT: Invalid Fixed feature flags defined by platform,"
+ "Invalid Flags bits are = 0x%x\n",
+ (FixedFeatureFlags->Flags & ~(VALID_HARDWARE_REDUCED_FLAG_MASK))
+ ));
+ }
+
+ AcpiFadt.Flags |= (FixedFeatureFlags->Flags &
+ VALID_HARDWARE_REDUCED_FLAG_MASK);
+
+error_handler:
+ return Status;
+}
+
+/** Construct the FADT table.
+
+ 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.
+ @retval EFI_NOT_FOUND The required object was not found.
+ @retval EFI_BAD_BUFFER_SIZE The size returned by the Configuration
+ Manager is less than the Object size for the
+ requested object.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+BuildFadtTable (
+ 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
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (This != NULL);
+ ASSERT (AcpiTableInfo != NULL);
+ ASSERT (CfgMgrProtocol != NULL);
+ ASSERT (Table != NULL);
+ ASSERT (AcpiTableInfo->TableGeneratorId == This->GeneratorID);
+ ASSERT (AcpiTableInfo->AcpiTableSignature == This->AcpiTableSignature);
+
+ *Table = NULL;
+
+ Status = AddAcpiHeader (
+ CfgMgrProtocol,
+ This,
+ (EFI_ACPI_DESCRIPTION_HEADER*)&AcpiFadt,
+ sizeof (EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE)
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Failed to add ACPI header. Status = %r\n",
+ Status
+ ));
+ goto error_handler;
+ }
+
+ // Update PmProfile Info
+ Status = FadtAddPmProfileInfo (CfgMgrProtocol);
+ if (EFI_ERROR (Status)) {
+ goto error_handler;
+ }
+
+ // Update BootArch Info
+ Status = FadtAddBootArchInfo (CfgMgrProtocol);
+ if (EFI_ERROR (Status)) {
+ goto error_handler;
+ }
+
+ // Add the Hypervisor Vendor Id if present
+ // Note if no hypervisor is present the zero bytes
+ // will be placed in this field.
+ Status = FadtAddHypervisorVendorId (CfgMgrProtocol);
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_NOT_FOUND) {
+ DEBUG ((
+ DEBUG_INFO,
+ "INFO: FADT: No Hypervisor Vendor ID found," \
+ " assuming no Hypervisor is present in the firmware.\n"
+ ));
+ } else {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Error reading Hypervisor Vendor ID, Status = %r",
+ Status
+ ));
+ goto error_handler;
+ }
+ }
+
+ Status = FadtAddFixedFeatureFlags (CfgMgrProtocol);
+ if (EFI_ERROR (Status)) {
+ if (Status == EFI_NOT_FOUND) {
+ DEBUG ((
+ DEBUG_INFO,
+ "INFO: FADT: No Fixed feature flags found," \
+ " assuming no additional flags are defined for the platform.\n"
+ ));
+ Status = EFI_SUCCESS;
+ } else {
+ DEBUG ((
+ DEBUG_ERROR,
+ "ERROR: FADT: Error reading Fixed feature flags, Status = %r",
+ Status
+ ));
+ goto error_handler;
+ }
+ }
+
+ *Table = (EFI_ACPI_DESCRIPTION_HEADER*)&AcpiFadt;
+error_handler:
+ return Status;
+}
+
+/** This macro defines the FADT Table Generator revision.
+*/
+#define FADT_GENERATOR_REVISION CREATE_REVISION (1, 0)
+
+/** The interface for the FADT Table Generator.
+*/
+STATIC
+CONST
+ACPI_TABLE_GENERATOR FadtGenerator = {
+ // Generator ID
+ CREATE_STD_ACPI_TABLE_GEN_ID (ESTD_ACPI_TABLE_ID_FADT),
+ // Generator Description
+ L"ACPI.STD.FADT.GENERATOR",
+ // ACPI Table Signature
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ // ACPI Table Revision
+ EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_REVISION,
+ // Creator ID
+ TABLE_GENERATOR_CREATOR_ID_ARM,
+ // Creator Revision
+ FADT_GENERATOR_REVISION,
+ // Build Table function
+ BuildFadtTable,
+ // No additional resources are allocated by the generator.
+ // Hence the 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
+AcpiFadtLibConstructor (
+ IN CONST EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE * CONST SystemTable
+ )
+{
+ EFI_STATUS Status;
+ Status = RegisterAcpiTableGenerator (&FadtGenerator);
+ DEBUG ((DEBUG_INFO, "FADT: 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
+AcpiFadtLibDestructor (
+ IN CONST EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE * CONST SystemTable
+ )
+{
+ EFI_STATUS Status;
+ Status = DeregisterAcpiTableGenerator (&FadtGenerator);
+ DEBUG ((DEBUG_INFO, "FADT: Deregister Generator. Status = %r\n", Status));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
--
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
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