mem.h
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:3k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: mem.h 531 2006-01-04 12:56:13Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #ifndef __MEM_H
- #define __MEM_H
- #if defined(_WIN32) && (!defined(NO_PLUGINS) || defined(TARGET_PALMOS))
- DLL void* malloc_win32(size_t);
- DLL void* realloc_win32(void*,size_t);
- DLL void free_win32(void*);
- #define malloc(n) malloc_win32(n)
- #define realloc(p,n) realloc_win32(p,n)
- #define free(p) free_win32(p)
- #endif
- // OS level allocation
- typedef struct block
- {
- const uint8_t* Ptr;
- uint32_t Id;
- } block;
- #define HEAP_ANY 0x0003
- #define HEAP_ANYWR 0x0005
- #define HEAP_DYNAMIC 0x0001
- #define HEAP_STORAGE 0x0002
- #define HEAP_STORAGEWR 0x0004
- DLL bool_t AllocBlock(size_t,block* Block,bool_t Optional,int Heap);
- DLL void FreeBlock(block* Block);
- DLL void WriteBlock(block* Block,int Ofs,const void* Src,int Length);
- DLL bool_t SetHeapBlock(int,block* Block,int Heap);
- static INLINE int IsHeapStorage(block* Block) { return Block->Id!=0; }
- DLL size_t AvailMemory();
- DLL void CheckHeap();
- typedef struct phymemblock
- {
- uint32_t Addr;
- uint32_t Length;
- void* Private; // needed by PhyMemAlloc/PhyMemFree
- } phymemblock;
- DLL void* PhyMemAlloc(int Length,phymemblock* Blocks,int* BlockCount);
- DLL void PhyMemFree(void*,phymemblock* Blocks,int BlockCount);
- DLL void* PhyMemBegin(uint32_t Addr,uint32_t Length,bool_t Cached); // single block mapping
- DLL void* PhyMemBeginEx(phymemblock* Blocks,int BlockCount,bool_t Cached); // multi block mapping
- DLL void PhyMemEnd(void*);
- DLL void* CodeAlloc(int Size);
- DLL void CodeFree(void*,int Size);
- DLL void CodeLock(void*,int Size);
- DLL void CodeUnlock(void*,int Size);
- DLL void CodeFindPages(void* Ptr,unsigned char** Min,unsigned char** Max,size_t* PageSize);
- DLL void ShowOutOfMemory();
- DLL void DisableOutOfMemory();
- DLL void EnableOutOfMemory();
- void Mem_Init();
- void Mem_Done();
- //-----------------------------------
- // low level memory managing
- DLL uint32_t MemVirtToPhy(void* Virt);
- DLL void* MemPhyToVirt(uint32_t Phy);
- typedef struct memoryinfo
- {
- uint32_t *TLB;
- uint32_t MemBase[2];
- int MemSize[2]; //in MB
- uint32_t UnusedArea[2];
- } memoryinfo;
- DLL bool_t MemGetInfo(memoryinfo* Out);
- DLL void* MemAsWritable(uint32_t Phy);
- #endif