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{$MACRO ON}
(******************************************************************************
*
* Copyright (c) 1994-2000 Palm, Inc. or its subsidiaries.
* All rights reserved.
*
* File: MemoryMgr.h
*
* Release: Palm OS SDK 4.0 (63220)
*
* Description:
* Include file for Memory Manager
*
* History:
* 10/25/94 RM Created by Ron Marianetti
* 10/28/99 kwk Added memErrROMOnlyCard.
*
*****************************************************************************)
unit memorymgr;
interface
uses palmos, coretraps, errorbase;
(************************************************************
* Memory Manager Types
*************************************************************)
type
LocalIDKind = Enum;
const
memIDPtr = 0;
memIDHandle = Succ(memIDPtr);
(************************************************************
* Flags accepted as parameter for MemNewChunk.
*************************************************************)
memNewChunkFlagPreLock = $0100;
memNewChunkFlagNonMovable = $0200;
memNewChunkFlagAtStart = $0400; // force allocation at front of heap
memNewChunkFlagAtEnd = $0800; // force allocation at end of heap
(************************************************************
* Memory Manager Debug settings for the MemSetDebugMode function
*************************************************************)
memDebugModeCheckOnChange = $0001;
memDebugModeCheckOnAll = $0002;
memDebugModeScrambleOnChange = $0004;
memDebugModeScrambleOnAll = $0008;
memDebugModeFillFree = $0010;
memDebugModeAllHeaps = $0020;
memDebugModeRecordMinDynHeapFree = $0040;
(************************************************************
* Memory Manager result codes
*************************************************************)
memErrChunkLocked = memErrorClass or 1;
memErrNotEnoughSpace = memErrorClass or 2;
memErrInvalidParam = memErrorClass or 3; // invalid param or requested size is too big
memErrChunkNotLocked = memErrorClass or 4;
memErrCardNotPresent = memErrorClass or 5;
memErrNoCardHeader = memErrorClass or 6;
memErrInvalidStoreHeader = memErrorClass or 7;
memErrRAMOnlyCard = memErrorClass or 8;
memErrWriteProtect = memErrorClass or 9;
memErrNoRAMOnCard = memErrorClass or 10;
memErrNoStore = memErrorClass or 11;
memErrROMOnlyCard = memErrorClass or 12;
(********************************************************************
* Memory Manager Routines
* These are define as syscall calls only under emulation mode or
* under native mode from the module that actually installs the trap
* vectors
********************************************************************)
//-------------------------------------------------------------------
// Initialization
//-------------------------------------------------------------------
function MemInit: Err; syscall sysTrapMemInit;
function MemKernelInit: Err; syscall sysTrapMemKernelInit;
function MemInitHeapTable(cardNo: UInt16): Err; syscall sysTrapMemInitHeapTable;
//-------------------------------------------------------------------
// Card formatting and Info
//-------------------------------------------------------------------
function MemNumCards: UInt16; syscall sysTrapMemNumCards;
function MemCardFormat(cardNo: UInt16; const cardNameP, manufNameP, ramStoreNameP: PChar): Err; syscall sysTrapMemCardFormat;
function MemCardInfo(cardNo: UInt16; cardNameP, manufNameP: PChar; var versionP: UInt16;
var crDateP, romSizeP, ramSizeP, freeBytesP: UInt32): Err; syscall sysTrapMemCardInfo;
//-------------------------------------------------------------------
// Store Info
//-------------------------------------------------------------------
function MemStoreInfo(cardNo, storeNumber: UInt16; var versionP, flagsP: UInt16;
nameP: PChar; var crDateP, bckUpDateP, heapListOffsetP, initCodeOffset1P,
initCodeOffset2P: UInt32; var databaseDirIDP: LocalID): Err; syscall sysTrapMemStoreInfo;
function MemStoreSetInfo(cardNo, storeNumber: UInt16; var versionP, flagsP: UInt16;
nameP: PChar; var crDateP, bckUpDateP, heapListOffsetP, initCodeOffset1P,
initCodeOffset2P: UInt32; var databaseDirIDP: LocalID): Err; syscall sysTrapMemStoreSetInfo;
//-------------------------------------------------------------------
// Heap Info & Utilities
//-------------------------------------------------------------------
function MemNumHeaps(cardNo: UInt16): UInt16; syscall sysTrapMemNumHeaps;
function MemNumRAMHeaps(cardNo: UInt16): UInt16; syscall sysTrapMemNumRAMHeaps;
function MemHeapID(cardNo, heapIndex: UInt16): UInt16; syscall sysTrapMemHeapID;
function MemHeapDynamic(heapID: UInt16): Boolean; syscall sysTrapMemHeapDynamic;
function MemHeapFreeBytes(heapID: UInt16; var freeP, maxP: UInt32): Err; syscall sysTrapMemHeapFreeBytes;
function MemHeapSize(heapID: UInt16): UInt32; syscall sysTrapMemHeapSize;
function MemHeapFlags(heapID: UInt16): UInt16; syscall sysTrapMemHeapFlags;
// Heap utilities
function MemHeapCompact(heapID: UInt16): Err; syscall sysTrapMemHeapCompact;
function MemHeapInit(heapID: UInt16; numHandles: Int16; initContents: Boolean): Err; syscall sysTrapMemHeapInit;
function MemHeapFreeByOwnerID(heapID, ownerID: UInt16): Err; syscall sysTrapMemHeapFreeByOwnerID;
//-------------------------------------------------------------------
// Low Level Allocation
//-------------------------------------------------------------------
function MemChunkNew(heapID: UInt16; size: UInt32; attr: UInt16): MemPtr; syscall sysTrapMemChunkNew;
function MemChunkFree(chunkDataP: MemPtr): Err; syscall sysTrapMemChunkFree;
//-------------------------------------------------------------------
// Pointer (Non-Movable) based Chunk Routines
//-------------------------------------------------------------------
function MemPtrNew(size: UInt32): MemPtr; syscall sysTrapMemPtrNew;
function MemPtrFree(chunkDataP: MemPtr): Err; syscall sysTrapMemChunkFree;
// Getting Attributes
function MemPtrRecoverHandle(p: MemPtr): MemHandle; syscall sysTrapMemPtrRecoverHandle;
function MemPtrFlags(p: MemPtr): UInt16; syscall sysTrapMemPtrFlags;
function MemPtrSize(p: MemPtr): UInt32; syscall sysTrapMemPtrSize;
function MemPtrOwner(p: MemPtr): UInt16; syscall sysTrapMemPtrOwner;
function MemPtrHeapID(p: MemPtr): UInt16; syscall sysTrapMemPtrHeapID;
function MemPtrDataStorage(p: MemPtr): Boolean; syscall sysTrapMemPtrDataStorage;
function MemPtrCardNo(p: MemPtr): UInt16; syscall sysTrapMemPtrCardNo;
function MemPtrToLocalID(p: MemPtr): LocalID; syscall sysTrapMemPtrToLocalID;
// Setting Attributes
function MemPtrSetOwner(p: MemPtr; owner: UInt16): Err; syscall sysTrapMemPtrSetOwner;
function MemPtrResize(p: MemPtr; newSize: UInt32): Err; syscall sysTrapMemPtrResize;
function MemPtrResetLock(p: MemPtr): Err; syscall sysTrapMemPtrResetLock;
function MemPtrUnlock(p: MemPtr): Err; syscall sysTrapMemPtrUnlock;
//-------------------------------------------------------------------
// MemHandle (Movable) based Chunk Routines
//-------------------------------------------------------------------
function MemHandleNew(size: UInt32): MemHandle; syscall sysTrapMemHandleNew;
function MemHandleFree(h: MemHandle): Err; syscall sysTrapMemHandleFree;
// Getting Attributes
function MemHandleFlags(h: MemHandle): UInt16; syscall sysTrapMemHandleFlags;
function MemHandleSize(h: MemHandle): UInt32; syscall sysTrapMemHandleSize;
function MemHandleOwner(h: MemHandle): UInt16; syscall sysTrapMemHandleOwner;
function MemHandleLockCount(h: MemHandle): UInt16; syscall sysTrapMemHandleLockCount;
function MemHandleHeapID(h: MemHandle): UInt16; syscall sysTrapMemHandleHeapID;
function MemHandleDataStorage(h: MemHandle): Boolean; syscall sysTrapMemHandleDataStorage;
function MemHandleCardNo(h: MemHandle): UInt16; syscall sysTrapMemHandleCardNo;
function MemHandleToLocalID(h: MemHandle): LocalID; syscall sysTrapMemHandleToLocalID;
// Setting Attributes
function MemHandleSetOwner(h: MemHandle; owner: UInt16): Err; syscall sysTrapMemHandleSetOwner;
function MemHandleResize(h: MemHandle; newSize: UInt32): Err; syscall sysTrapMemHandleResize;
function MemHandleLock(h: MemHandle): MemPtr; syscall sysTrapMemHandleLock;
function MemHandleUnlock(h: MemHandle): Err; syscall sysTrapMemHandleUnlock;
function MemHandleResetLock(h: MemHandle): Err; syscall sysTrapMemHandleResetLock;
//-------------------------------------------------------------------
// Local ID based routines
//-------------------------------------------------------------------
function MemLocalIDToGlobal(local: LocalID; cardNo: UInt16): MemPtr; syscall sysTrapMemLocalIDToGlobal;
function MemLocalIDKind(local: LocalID): LocalIDKind; syscall sysTrapMemLocalIDKind;
function MemLocalIDToPtr(local: LocalID; cardNo: UInt16): MemPtr; syscall sysTrapMemLocalIDToPtr;
function MemLocalIDToLockedPtr(local: LocalID; cardNo: UInt16): MemPtr; syscall sysTrapMemLocalIDToLockedPtr;
//-------------------------------------------------------------------
// Utilities
//-------------------------------------------------------------------
function MemMove(dstP: Pointer; const sP: Pointer; numBytes: Int32): Err; syscall sysTrapMemMove;
function MemSet(dstP: Pointer; numBytes: Int32; value: UInt8): Err; syscall sysTrapMemSet;
function MemCmp(const s1: Pointer; const s2: Pointer; numBytes: Int32): Int16; syscall sysTrapMemCmp;
function MemSemaphoreReserve(writeAccess: Boolean): Err; syscall sysTrapMemSemaphoreReserve;
function MemSemaphoreRelease(writeAccess: Boolean): Err; syscall sysTrapMemSemaphoreRelease;
//-------------------------------------------------------------------
// Debugging Support
//-------------------------------------------------------------------
function MemDebugMode: UInt16; syscall sysTrapMemDebugMode;
function MemSetDebugMode(flags: UInt16): Err; syscall sysTrapMemSetDebugMode;
function MemHeapScramble(heapID: UInt16): Err; syscall sysTrapMemHeapScramble;
function MemHeapCheck(heapID: UInt16): Err; syscall sysTrapMemHeapCheck;
implementation
end.
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