4f914125e8
Add Pcd DXE driver and PEIM to all supported ARCH in EdkModulePkg-All-Archs.fpd Make Pcd DXE driver and PEIM compilable under EBC, IPF, X64 Fixed a few other bugs. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@838 6f19259b-4bc3-4df7-8a09-765794883524
643 lines
13 KiB
C
643 lines
13 KiB
C
/** @file PCD PEIM
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: Pcd.c
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**/
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#include "Service.h"
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PCD_PPI mPcdPpiInstance = {
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PeiPcdSetSku,
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PeiPcdGet8,
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PeiPcdGet16,
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PeiPcdGet32,
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PeiPcdGet64,
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PeiPcdGetPtr,
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PeiPcdGetBool,
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PeiPcdGetSize,
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PeiPcdGet8Ex,
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PeiPcdGet16Ex,
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PeiPcdGet32Ex,
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PeiPcdGet64Ex,
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PeiPcdGetPtrEx,
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PeiPcdGetBoolEx,
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PeiPcdGetSizeEx,
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PeiPcdSet8,
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PeiPcdSet16,
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PeiPcdSet32,
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PeiPcdSet64,
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PeiPcdSetPtr,
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PeiPcdSetBool,
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PeiPcdSet8Ex,
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PeiPcdSet16Ex,
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PeiPcdSet32Ex,
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PeiPcdSet64Ex,
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PeiPcdSetPtrEx,
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PeiPcdSetBoolEx,
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PeiRegisterCallBackOnSet,
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PcdUnRegisterCallBackOnSet,
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PeiPcdGetNextToken,
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PeiPcdGetNextTokenSpace
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};
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STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gPcdPpiGuid,
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&mPcdPpiInstance
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};
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EFI_STATUS
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EFIAPI
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PcdPeimInit (
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IN EFI_FFS_FILE_HEADER *FfsHeader,
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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BuildPcdDatabase ();
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Status = PeiServicesInstallPpi (&mPpiPCD);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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VOID
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EFIAPI
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PeiPcdSetSku (
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IN UINTN SkuId
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)
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{
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GetPcdDatabase()->Init.SystemSkuId = (SKU_ID) SkuId;
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return;
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}
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UINT8
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EFIAPI
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PeiPcdGet8 (
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IN UINTN TokenNumber
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)
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{
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return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));
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}
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UINT16
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EFIAPI
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PeiPcdGet16 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));
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}
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UINT32
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EFIAPI
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PeiPcdGet32 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));
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}
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UINT64
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EFIAPI
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PeiPcdGet64 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));
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}
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VOID *
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EFIAPI
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PeiPcdGetPtr (
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IN UINTN TokenNumber
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)
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{
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return GetWorker (TokenNumber, 0);
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}
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BOOLEAN
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EFIAPI
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PeiPcdGetBool (
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IN UINTN TokenNumber
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)
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{
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return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));
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}
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UINTN
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EFIAPI
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PeiPcdGetSize (
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IN UINTN TokenNumber
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)
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{
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PEI_PCD_DATABASE *PeiPcdDb;
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UINTN Size;
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UINTN MaxSize;
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PeiPcdDb = GetPcdDatabase ();
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//
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// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
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// We have to decrement TokenNumber by 1 to make it usable
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// as the array index.
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//
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TokenNumber--;
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// EBC compiler is very choosy. It may report warning about comparison
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// between UINTN and 0 . So we add 1 in each size of the
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// comparison.
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ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);
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Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;
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if (Size == 0) {
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//
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// For pointer type, we need to scan the SIZE_TABLE to get the current size.
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//
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return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);
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} else {
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return Size;
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}
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}
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UINT8
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EFIAPI
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PeiPcdGet8Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));
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}
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UINT16
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EFIAPI
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PeiPcdGet16Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));
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}
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UINT32
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EFIAPI
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PeiPcdGet32Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));
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}
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UINT64
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EFIAPI
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PeiPcdGet64Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));
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}
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VOID *
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EFIAPI
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PeiPcdGetPtrEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ExGetWorker (Guid, ExTokenNumber, 0);
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}
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BOOLEAN
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EFIAPI
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PeiPcdGetBoolEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));
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}
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UINTN
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EFIAPI
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PeiPcdGetSizeEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet8 (
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IN UINTN TokenNumber,
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IN UINT8 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet16 (
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IN UINTN TokenNumber,
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IN UINT16 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet32 (
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IN UINTN TokenNumber,
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IN UINT32 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet64 (
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IN UINTN TokenNumber,
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IN UINT64 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetPtr (
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IN UINTN TokenNumber,
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IN OUT UINTN *SizeOfBuffer,
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IN VOID *Buffer
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)
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{
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return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetBool (
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IN UINTN TokenNumber,
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IN BOOLEAN Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet8Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT8 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet16Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT16 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet32Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT32 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet64Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT64 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetPtrEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINTN *SizeOfBuffer,
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IN VOID *Value
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)
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{
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return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetBoolEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN BOOLEAN Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiRegisterCallBackOnSet (
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IN UINTN ExTokenNumber,
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN PCD_PPI_CALLBACK CallBackFunction
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)
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{
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ASSERT (CallBackFunction != NULL);
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return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PcdUnRegisterCallBackOnSet (
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IN UINTN ExTokenNumber,
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN PCD_PPI_CALLBACK CallBackFunction
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)
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{
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ASSERT (CallBackFunction != NULL);
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return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdGetNextToken (
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN OUT UINTN *TokenNumber
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)
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{
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UINTN GuidTableIdx;
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PEI_PCD_DATABASE *PeiPcdDb;
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EFI_GUID *MatchGuid;
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DYNAMICEX_MAPPING *ExMapTable;
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UINTN i;
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BOOLEAN Found;
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if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {
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return EFI_UNSUPPORTED;
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}
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if (Guid == NULL) {
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if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {
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return EFI_NOT_FOUND;
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}
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(*TokenNumber)++;
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if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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}
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return EFI_SUCCESS;
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} else {
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if (PEI_EXMAP_TABLE_EMPTY) {
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_SUCCESS;
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}
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//
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// Assume PCD Database AutoGen tool is sorting the ExMap based on the following order
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// 1) ExGuid
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// 2) ExTokenNumber
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//
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PeiPcdDb = GetPcdDatabase ();
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MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);
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if (MatchGuid == NULL) {
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_NOT_FOUND;
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}
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GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;
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ExMapTable = PeiPcdDb->Init.ExMapTable;
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Found = FALSE;
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//
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// Locate the GUID in ExMapTable first.
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//
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for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
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if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
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Found = TRUE;
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break;
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}
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}
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if (Found) {
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if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {
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*TokenNumber = ExMapTable[i].ExTokenNumber;
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return EFI_SUCCESS;
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}
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for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
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if (ExMapTable[i].ExTokenNumber == *TokenNumber) {
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i++;
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if (i == PEI_EXMAPPING_TABLE_SIZE) {
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//
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// Exceed the length of ExMap Table
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//
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_SUCCESS;
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}
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if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
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*TokenNumber = ExMapTable[i].ExTokenNumber;
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return EFI_SUCCESS;
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} else {
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_SUCCESS;
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}
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}
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}
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return EFI_NOT_FOUND;
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}
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}
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return EFI_NOT_FOUND;
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}
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EFI_STATUS
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EFIAPI
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PeiPcdGetNextTokenSpace (
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IN OUT CONST EFI_GUID **Guid
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)
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{
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UINTN GuidTableIdx;
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EFI_GUID *MatchGuid;
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PEI_PCD_DATABASE *PeiPcdDb;
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DYNAMICEX_MAPPING *ExMapTable;
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UINTN i;
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BOOLEAN Found;
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if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {
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return EFI_UNSUPPORTED;
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}
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ASSERT (Guid != NULL);
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if (PEI_EXMAP_TABLE_EMPTY) {
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if (*Guid != NULL) {
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return EFI_NOT_FOUND;
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} else {
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return EFI_SUCCESS;
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}
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}
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//
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// Assume PCD Database AutoGen tool is sorting the ExMap based on the following order
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// 1) ExGuid
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// 2) ExTokenNumber
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//
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PeiPcdDb = GetPcdDatabase ();
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ExMapTable = PeiPcdDb->Init.ExMapTable;
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if (*Guid == NULL) {
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//
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// return the first Token Space Guid.
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//
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*Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];
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return EFI_SUCCESS;
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}
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MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);
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if (MatchGuid == NULL) {
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return EFI_NOT_FOUND;
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}
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GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;
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Found = FALSE;
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for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
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if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
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Found = TRUE;
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break;
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}
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}
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if (Found) {
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i++;
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for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {
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if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {
|
|
*Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];
|
|
return EFI_SUCCESS;
|
|
}
|
|
}
|
|
*Guid = NULL;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
return EFI_NOT_FOUND;
|
|
|
|
}
|
|
|