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- /** @file
- This file is the library for CPU DXE Policy initialization.
- Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #include <Library/DxeCpuPolicyUpdateLib.h>
- /**
- This function prints the CPU DXE phase policy.
- @param[in] DxeCpuPolicy - CPU DXE Policy protocol
- **/
- VOID
- CpuDxePrintPolicyProtocol (
- IN DXE_CPU_POLICY_PROTOCOL *DxeCpuPolicy
- )
- {
- DEBUG_CODE_BEGIN ();
- DEBUG ((DEBUG_INFO, "\n------------------------ CPU Policy (DXE) print BEGIN -----------------\n"));
- DEBUG ((DEBUG_INFO, "Revision : %x\n", DxeCpuPolicy->Revision));
- ASSERT (DxeCpuPolicy->Revision == DXE_CPU_POLICY_PROTOCOL_REVISION);
- DEBUG ((DEBUG_INFO, "\n------------------------ CPU_DXE_CONFIG -----------------\n"));
- DEBUG ((DEBUG_INFO, "EnableDts : %x\n", DxeCpuPolicy->EnableDts));
- DEBUG ((DEBUG_INFO, "\n------------------------ CPU Policy (DXE) print END -----------------\n"));
- DEBUG_CODE_END ();
- }
- /**
- Get data for CPU policy from setup options.
- @param[in] DxeCpuPolicy The pointer to get CPU Policy protocol instance
- @retval EFI_SUCCESS Operation success.
- **/
- EFI_STATUS
- EFIAPI
- UpdateDxeSiCpuPolicy (
- IN OUT DXE_CPU_POLICY_PROTOCOL *DxeCpuPolicy
- )
- {
- return EFI_SUCCESS;
- }
- /**
- CpuInstallPolicyProtocol installs CPU Policy.
- While installed, RC assumes the Policy is ready and finalized. So please update and override
- any setting before calling this function.
- @param[in] ImageHandle Image handle of this driver.
- @param[in] DxeCpuPolicy The pointer to CPU Policy Protocol instance
- @retval EFI_SUCCESS The policy is installed.
- @retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
- **/
- EFI_STATUS
- EFIAPI
- CpuInstallPolicyProtocol (
- IN EFI_HANDLE ImageHandle,
- IN DXE_CPU_POLICY_PROTOCOL *DxeCpuPolicy
- )
- {
- EFI_STATUS Status;
- ///
- /// Print CPU DXE Policy
- ///
- CpuDxePrintPolicyProtocol(DxeCpuPolicy);
- ///
- /// Install the DXE_CPU_POLICY_PROTOCOL interface
- ///
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ImageHandle,
- &gDxeCpuPolicyProtocolGuid,
- DxeCpuPolicy,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
- return Status;
- }
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