/** @file
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This file is PeiSiPolicyLib library creates default settings of RC
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Policy and installs RC Policy PPI.
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Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "PeiSiPolicyLibrary.h"
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#include <Base.h>
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#include <Library/ConfigBlockLib.h>
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/**
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SiCreatePreMemConfigBlocks creates the config blocksg of Silicon PREMEM Policy.
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It allocates and zero out buffer, and fills in the Intel default settings.
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@param[out] SiPreMemPolicyPpi The pointer to get Silicon Policy PPI instance
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@retval EFI_SUCCESS The policy default is initialized.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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SiCreatePreMemConfigBlocks (
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OUT SI_PREMEM_POLICY_PPI **SiPreMemPolicyPpi
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)
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{
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UINT16 TotalBlockSize;
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EFI_STATUS Status;
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SI_PREMEM_POLICY_PPI *SiPreMemPolicy;
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UINT16 RequiredSize;
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SiPreMemPolicy = NULL;
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//
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// TotalBlockSize = Pch , SA, ME and CPU config block size.
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//
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TotalBlockSize = PchGetPreMemConfigBlockTotalSize () +
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MeGetConfigBlockTotalSizePreMem () +
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SaGetConfigBlockTotalSizePreMem () +
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CpuGetPreMemConfigBlockTotalSize ();
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DEBUG ((DEBUG_INFO, "TotalBlockSize = 0x%x\n", TotalBlockSize));
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RequiredSize = sizeof (CONFIG_BLOCK_TABLE_HEADER) + TotalBlockSize;
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Status = CreateConfigBlockTable (RequiredSize, (VOID *)&SiPreMemPolicy);
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ASSERT_EFI_ERROR (Status);
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//
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// General initialization
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//
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SiPreMemPolicy->TableHeader.Header.Revision = SI_PREMEM_POLICY_REVISION;
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//
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// Add config blocks.
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//
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Status = PchAddPreMemConfigBlocks ((VOID *) SiPreMemPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = MeAddConfigBlocksPreMem ((VOID *) SiPreMemPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = SaAddConfigBlocksPreMem ((VOID *) SiPreMemPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = CpuAddPreMemConfigBlocks ((VOID *) SiPreMemPolicy);
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ASSERT_EFI_ERROR (Status);
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//
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// Assignment for returning SaInitPolicy config block base address
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//
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*SiPreMemPolicyPpi = SiPreMemPolicy;
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return Status;
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}
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/**
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SiPreMemInstallPolicyPpi installs SiPreMemPolicyPpi.
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While installed, RC assumes the Policy is ready and finalized. So please update and override
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any setting before calling this function.
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@param[in] SiPreMemPolicyPpi The pointer to Silicon Policy PPI instance
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@retval EFI_SUCCESS The policy is installed.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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SiPreMemInstallPolicyPpi (
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IN SI_PREMEM_POLICY_PPI *SiPolicyPreMemPpi
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)
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{
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EFI_STATUS Status;
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EFI_PEI_PPI_DESCRIPTOR *SiPolicyPreMemPpiDesc;
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SiPolicyPreMemPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
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if (SiPolicyPreMemPpiDesc == NULL) {
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ASSERT (FALSE);
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return EFI_OUT_OF_RESOURCES;
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}
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SiPolicyPreMemPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
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SiPolicyPreMemPpiDesc->Guid = &gSiPreMemPolicyPpiGuid;
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SiPolicyPreMemPpiDesc->Ppi = SiPolicyPreMemPpi;
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//
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// Print whole PCH_POLICY_PPI and serial out.
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//
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PchPreMemPrintPolicyPpi (SiPolicyPreMemPpi);
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//
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// Print ME config blocks and serial out.
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//
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MePrintPolicyPpiPreMem (SiPolicyPreMemPpi);
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//
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// Print whole SI_POLICY_PPI and serial out.
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//
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SaPrintPolicyPpiPreMem (SiPolicyPreMemPpi);
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//
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// Print whole CPU of SI_PREMEM_POLICY_PPI and serial out.
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//
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CpuPreMemPrintPolicy (SiPolicyPreMemPpi);
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//
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// Install Silicon Policy PPI
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//
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Status = PeiServicesInstallPpi (SiPolicyPreMemPpiDesc);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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