www.pudn.com > MP3+JPEG.rar > ucBS_GV.h

//========================================================================= 
//  The information contained herein is the exclusive property of Sunplus  
//  Technology Co. And shall not be distributed, reproduced, or disclosed  
//  in whole in part without prior written permission. 
//  (C) Copyright 2003 Sunplus Technology Co. All rights reserved. 
//  The entire notice above must be reproduced on all authorized copies 
//========================================================================= 
 
//========================================================================= 
//  project  name:  	 Buddy System  
//  Project Description: Buddy SystemGlobal Variable declare 
//  Environment: 	 
//				 
//  Library Dependency: 
//                       
//  Author: 	xiaoping 
//  Date:		2005/04/15 
//  E-mail:      
//  Revision history: 
//  ------------------------------------------------------------------------ 
//  YYYY-MM-DD        Modified By               Description                   
//  ------------------------------------------------------------------------ 
//========================================================================== 
 
#ifndef	_UCBS_GV_H_ 
#define	_UCBS_GV_H_ 
 
#include 	"ucBS_CFG.h" 
#include  "ucBS_CPU.h" 
typedef	struct stFreeArea 
{ 
	struct stFreeArea *m_Next; 
	struct stFreeArea *m_Prev; 
	INT16U	m_ListNum; 
}STFreeArea; 
 
typedef  struct stListHead 
{ 
	STFreeArea* m_First; 
	 
} STListHead; 
 
typedef struct stErrorHandle 
{ 
	BSINTU m_CS; 
	BSINTU m_Offset; 
	BSINT32U m_Param;	 
}STErrorHandle; 
 
#ifdef CREATE_BS_VAR 
    #define BS_EXT 
#else 
    #define BS_EXT  extern 
#endif 
 
BS_EXT STListHead      BS_ListHead [BS_NUM ]; 
 
 
 
BS_EXT BSINTU     		BS_RamEnd;			//全局变量后的空间 
 
BS_EXT BSINTU      		BS_Start;			//Buddy 开始的空间(S偷偷占用的空间开始) 
 
BS_EXT BSINTU      	BS_MemStart;		//Buddy 开始管理的空间 
 
BS_EXT BSINTU      	BS_End; 		    // Buddy 管理结束的空间 
 
BS_EXT STErrorHandle BS_ErrorHandle;		//Buddy 错误信息提示 
 
#if BS_STAT_MEM_EN > 0 
 
BS_EXT BSINTU		BS_BlockMaxUsed[BS_NUM];//Block 峰值记录 
BS_EXT BSINTU		BS_BlockRealUsed[BS_NUM];//Block 峰值记录 
BS_EXT BSINTU 		gMaxMemUsed;			//Buddy 峰值使用记录 
BS_EXT BSINTU 		gRealMemUsed; 			//当前使用的内存大小记录 
 
#endif 
 
#ifdef CREATE_BS_VAR 
const BSINTU ucBS_RecordMask[] =  
{ 
	0xfff0,0xff0f,0xf0ff,0x0fff 
}; 
const BSINTU ucBS_unMask[] =  
{ 
	0x000f,0x00f0,0x0f00,0xf000 
}; 
const BSINTU ucBS_NUM		 		= BS_NUM; 
const BSINTU ucBS_MIN_BLOCK 	 		= BS_MIN_BLOCK; 
const BSINTU	ucBS_MAX_BLOCK		 	= BS_MAX_BLOCK; 
const BSINTU	ucBS_STACK_RESERVE_SIZE	= BS_STACK_RESERVE_SIZE; 
const BSINTU ucBS_LIST_MERGE_SIZE		= BS_LIST_MERGE_SIZE; 
const BSINTU	ucBS_MEM_RECORD_SIZE	= BS_MEM_RECORD_SIZE; 
const BSINTU ucBS_RECORD_BYTE_SIZE	= BS_RECORD_BYTE_SIZE; 
 
#else 
extern const BSINTU ucBS_unMask[]; 
extern const BSINTU ucBS_RecordMask[]; 
extern const BSINTU ucBS_NUM; 
extern const BSINTU ucBS_MIN_BLOCK; 
extern const BSINTU	ucBS_MAX_BLOCK; 
extern const BSINTU	ucBS_STACK_RESERVE_SIZE; 
extern const BSINTU ucBS_LIST_MERGE_SIZE; 
extern const BSINTU	ucBS_MEM_RECORD_SIZE; 
extern const BSINTU ucBS_RECORD_BYTE_SIZE; 
 
#endif 
 
 
 
typedef STListHead ucSTListHead; 
typedef STListHead* ucSTListHeadPtr; 
 
typedef STFreeArea ucSTFreeArea; 
typedef STFreeArea* ucSTFreeAreaPtr; 
 
 
#define BS_SET_ERROR_INFO(param)	\ 
	BS_ErrorHandle.m_CS = *((BSINTU*)¶m-2);\ 
	BS_ErrorHandle.m_Offset = *((BSINTU*)¶m-1);\ 
	BS_ErrorHandle.m_Param = (BSINT32U)(param);\ 
	 
#define BS_CLEAR_ERROR_INFO()	\ 
	BS_ErrorHandle.m_CS = 0;\ 
	BS_ErrorHandle.m_Offset = 0;\ 
	BS_ErrorHandle.m_Param = 0;\ 
		 
#endif