Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen
491
EdkModulePkg/Universal/PCD/Dxe/Service.c
Normal file
491
EdkModulePkg/Universal/PCD/Dxe/Service.c
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@@ -0,0 +1,491 @@
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/** @file
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Private functions used by PCD DXE driver.s
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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: Service.c
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**/
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#include "../Common/PcdCommon.h"
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#include "Service.h"
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static PCD_DATABASE *PrivatePcdDxeDatabase;
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static LIST_ENTRY mPcdDatabaseListHead = INITIALIZE_LIST_HEAD_VARIABLE(mPcdDatabaseListHead);
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LIST_ENTRY *
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GetPcdDatabaseListHead (
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VOID
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)
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{
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return &mPcdDatabaseListHead;
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}
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PCD_DATABASE *
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GetPcdDxeDataBaseInstance (
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VOID
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)
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{
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return PrivatePcdDxeDatabase;
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}
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PCD_DATABASE *
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SetPcdDxeDataBaseInstance (
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PCD_DATABASE *PcdDatabase
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)
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{
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return PrivatePcdDxeDatabase = PcdDatabase;
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}
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VOID
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DxeGetPcdEntryWorker (
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IN UINTN TokenNumber,
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IN CONST GUID *Guid, OPTIONAL
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IN PCD_DATA_TYPE Type,
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OUT VOID *Data
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)
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{
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PCD_DATABASE *Database;
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Database = GetPcdDxeDataBaseInstance ();
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GetPcdEntryWorker ( &Database->Info,
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TokenNumber,
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Guid,
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Type,
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Data
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);
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return;
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}
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EFI_STATUS
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DxeSetPcdEntryWorker (
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IN UINTN TokenNumber,
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IN CONST GUID *Guid, OPTIONAL
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IN PCD_DATA_TYPE Type,
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IN CONST VOID *Data
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)
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{
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PCD_DATABASE *Database;
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PCD_INDEX *PcdIndex;
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EFI_STATUS Status;
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Database = GetPcdDxeDataBaseInstance ();
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ASSERT (Data != NULL);
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PcdIndex = FindPcdIndex (TokenNumber, Guid, &Database->Info, NULL);
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ASSERT (PcdIndex != NULL);
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ASSERT (PcdIndex->StateByte.DataType == Type);
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//
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// Invoke the callback function.
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//
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Status = SetPcdData (PcdIndex, &Database->Info, Data);
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return Status;
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}
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UINTN
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DxeGetPcdEntrySizeWorker (
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IN UINTN TokenNumber,
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IN CONST GUID *Guid OPTIONAL
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)
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{
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PCD_DATABASE *Database;
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Database = GetPcdDxeDataBaseInstance ();
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return GetPcdEntrySizeWorker (&Database->Info,
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TokenNumber,
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Guid
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);
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}
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LIST_ENTRY *
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InsertToGuidSpaceListI (
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IN LIST_ENTRY *GuidSpaceListHead,
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IN CONST EFI_GUID *Guid
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)
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{
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PCD_GUID_SPACE *GuidSpaceEntry;
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GuidSpaceEntry = AllocatePool (sizeof (PCD_GUID_SPACE));
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ASSERT (GuidSpaceEntry != NULL);
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GuidSpaceEntry->GuidSpace= Guid;
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InitializeListHead (&GuidSpaceEntry->TokenSpaceHead);
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InsertTailList (GuidSpaceListHead, &GuidSpaceEntry->ListNode);
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return &GuidSpaceEntry->TokenSpaceHead;
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}
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LIST_ENTRY *
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InsertToTokenSpaceListI (
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IN LIST_ENTRY *TokenSpaceListHead,
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IN UINTN TokenNumber
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)
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{
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PCD_TOKEN_SPACE *TokenSpaceEntry;
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TokenSpaceEntry = AllocatePool (sizeof (PCD_TOKEN_SPACE));
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ASSERT (TokenSpaceEntry != NULL);
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TokenSpaceEntry->TokeNumber = TokenNumber;
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InitializeListHead (&TokenSpaceEntry->CallbackListHead);
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InsertTailList (TokenSpaceListHead, &TokenSpaceEntry->ListNode);
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return &TokenSpaceEntry->CallbackListHead;
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}
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VOID
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InsertToCallbackListI (
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IN LIST_ENTRY *CallbackListHead,
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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PCD_CALLBACK_ENTRY *CallbackEntry;
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CallbackEntry = AllocatePool (sizeof (PCD_CALLBACK_ENTRY));
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ASSERT (CallbackEntry != NULL);
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CallbackEntry->CallbackFunction = CallBackFunction;
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InsertTailList (CallbackListHead, &CallbackEntry->ListNode);
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return;
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}
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VOID
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InsertToCallbackList (
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IN UINTN TokenNumber,
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IN CONST EFI_GUID *Guid,
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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LIST_ENTRY *GuidListNode;
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LIST_ENTRY *GuidListHead;
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LIST_ENTRY *TokenListNode;
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LIST_ENTRY *TokenListHead;
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LIST_ENTRY *CallbackListHead;
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PCD_GUID_SPACE *GuidSpaceEntry;
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PCD_TOKEN_SPACE *TokenSpaceEntry;
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GuidListHead = GetPcdDatabaseListHead ();
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GuidListNode = GetFirstNode (GuidListHead);
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while (!IsNull (GuidListNode, GuidListHead)) {
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GuidSpaceEntry = PCD_GUID_SPACE_FROM_LISTNODE(GuidListNode);
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if (CompareGuid (GuidSpaceEntry->GuidSpace, Guid)) {
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TokenListHead = &GuidSpaceEntry->TokenSpaceHead;
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TokenListNode = GetFirstNode (TokenListHead);
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while (!IsNull (TokenListNode, TokenListHead)) {
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TokenSpaceEntry = PCD_TOKEN_SPACE_FROM_LISTNODE(TokenListNode);
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if (TokenSpaceEntry->TokeNumber == TokenNumber) {
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InsertToCallbackListI (&TokenSpaceEntry->CallbackListHead , CallBackFunction);
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}
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}
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//
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// No TokenNumber match input found in this GuidSpace
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//
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CallbackListHead = InsertToTokenSpaceListI (TokenListHead, TokenNumber);
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InsertToCallbackListI (CallbackListHead , CallBackFunction);
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}
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GuidListNode = GetNextNode (GuidListHead, GuidListNode);
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}
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//
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// No GuidSpace match the input Guid, so build the GuidSpace, TokenNumberSpace and Callback
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//
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TokenListHead = InsertToGuidSpaceListI (GuidListHead, Guid);
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CallbackListHead = InsertToTokenSpaceListI (TokenListHead, TokenNumber);
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InsertToCallbackListI (CallbackListHead , CallBackFunction);
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return;
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}
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EFI_STATUS
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RemoveFromCallbackListI (
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IN LIST_ENTRY *CallbackListHead,
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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LIST_ENTRY *ListNode;
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PCD_CALLBACK_ENTRY *CallbackEntry;
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ListNode = GetFirstNode (CallbackListHead);
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while (!IsNull(CallbackListHead, ListNode)) {
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CallbackEntry = PCD_CALLBACK_ENTRY_FROM_LISTNODE(ListNode);
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if (CallbackEntry->CallbackFunction == CallBackFunction) {
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RemoveEntryList (ListNode);
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FreePool (CallbackEntry);
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return EFI_SUCCESS;
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}
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ListNode = GetNextNode (CallbackListHead, ListNode);
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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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RemoveFromCallbackList (
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IN UINTN TokenNumber,
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IN CONST GUID *Guid,
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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LIST_ENTRY *GuidListNode;
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LIST_ENTRY *GuidListHead;
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LIST_ENTRY *TokenListNode;
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LIST_ENTRY *TokenListHead;
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PCD_GUID_SPACE *GuidSpaceEntry;
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PCD_TOKEN_SPACE *TokenSpaceEntry;
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GuidListHead = GetPcdDatabaseListHead ();
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GuidListNode = GetFirstNode (GuidListHead);
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while (!IsNull (GuidListNode, GuidListHead)) {
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GuidSpaceEntry = PCD_GUID_SPACE_FROM_LISTNODE(GuidListNode);
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if (CompareGuid (GuidSpaceEntry->GuidSpace, Guid)) {
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TokenListHead = &GuidSpaceEntry->TokenSpaceHead;
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TokenListNode = GetFirstNode (TokenListHead);
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while (!IsNull (TokenListNode, TokenListHead)) {
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TokenSpaceEntry = PCD_TOKEN_SPACE_FROM_LISTNODE(TokenListNode);
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if (TokenSpaceEntry->TokeNumber == TokenNumber) {
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return RemoveFromCallbackListI (&TokenSpaceEntry->CallbackListHead , CallBackFunction);
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}
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}
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//
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// No TokenNumber match input found in this GuidSpace
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//
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return EFI_NOT_FOUND;
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}
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GuidListNode = GetNextNode (GuidListHead, GuidListNode);
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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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DxeRegisterCallBackWorker (
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IN UINTN TokenNumber,
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IN CONST GUID *Guid, OPTIONAL
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IN PCD_PROTOCOL_CALLBACK CallBackFunction,
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IN BOOLEAN Register
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)
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{
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PCD_DATABASE *Database;
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PCD_INDEX *PcdIndex;
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Database = GetPcdDxeDataBaseInstance ();
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PcdIndex = FindPcdIndex (TokenNumber, Guid, &Database->Info, NULL);
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if (PcdIndex == NULL) {
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return EFI_NOT_FOUND;
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}
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if (Register) {
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InsertToCallbackList (TokenNumber, Guid, CallBackFunction);
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return EFI_SUCCESS;
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} else {
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return RemoveFromCallbackList (TokenNumber, Guid, CallBackFunction);
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}
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}
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EFI_STATUS
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DxeSetSku (
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UINTN Id
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)
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{
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PCD_DATABASE * Database;
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Database = GetPcdDxeDataBaseInstance ();
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return Database->Info.SkuId = Id;
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}
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EFI_STATUS
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DxeGetNextTokenWorker (
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IN OUT UINTN *TokenNumber,
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IN CONST GUID *Guid OPTIONAL
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)
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{
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PCD_DATABASE * Database;
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Database = GetPcdDxeDataBaseInstance ();
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return GetNextTokenWorker (&Database->Info,
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TokenNumber,
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Guid
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);
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}
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VOID
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InitPcdDxeDataBase (
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VOID
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)
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{
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PCD_DATABASE *PeiDatabase;
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PCD_DATABASE *DxeDatabase;
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EFI_HOB_GUID_TYPE *GuidHob;
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GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
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ASSERT (GuidHob != NULL);
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PeiDatabase = (PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);
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DxeDatabase = AllocateCopyPool (PeiDatabase->Info.DatabaseLen, PeiDatabase);
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ASSERT (DxeDatabase != NULL);
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SetPcdDxeDataBaseInstance (DxeDatabase);
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return;
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}
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EFI_STATUS
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GetHiiVariable (
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IN EFI_GUID *VariableGuid,
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IN UINT16 *VariableName,
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OUT VOID ** VariableData,
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OUT UINTN *VariableSize
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)
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{
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UINTN Size;
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EFI_STATUS Status;
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VOID *Buffer;
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Status = EfiGetVariable (
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(UINT16 *)VariableName,
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VariableGuid,
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NULL,
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&Size,
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NULL
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);
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ASSERT (Status == EFI_BUFFER_TOO_SMALL);
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Buffer = AllocatePool (Size);
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ASSERT (Buffer != NULL);
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Status = EfiGetVariable (
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VariableName,
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VariableGuid,
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NULL,
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&Size,
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Buffer
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);
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return Status;
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}
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EFI_STATUS
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SetHiiVariable (
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IN EFI_GUID *VariableGuid,
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IN UINT16 *VariableName,
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IN CONST VOID *Data,
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IN UINTN DataSize,
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IN UINTN Offset
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)
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{
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UINTN Size;
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VOID *Buffer;
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EFI_STATUS Status;
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Size = 0;
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Status = EfiGetVariable (
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(UINT16 *)VariableName,
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VariableGuid,
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NULL,
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&Size,
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NULL
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);
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ASSERT (Status == EFI_BUFFER_TOO_SMALL);
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Buffer = AllocatePool (Size);
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ASSERT (Buffer != NULL);
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Status = EfiGetVariable (
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VariableName,
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VariableGuid,
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NULL,
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&Size,
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Buffer
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);
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CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);
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return EfiSetVariable (
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VariableName,
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VariableGuid,
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0,
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Size,
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Buffer
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);
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}
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Reference in New Issue
Block a user