📄 cache.c
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/****************************************************************************
【文 件 名 称】cache.c
【功 能 描 述】高速缓冲存储器测试程序
【程 序 版 本】2.0
【创建人及创建日期】龚俊//2002年11月19日19:26
【修改人及修改日期】龚俊//2003年4月26日20:24
****************************************************************************/
//***************************************************************************
#include <string.h>
#include "..\inc\option.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\cache.h"
void MarchCMinus32(int address,int unit,unsigned int pattern);
void MarchCMinusM_10(int address,int unit,unsigned int pattern,unsigned int mask);
void _MarchSub1(unsigned int *pt,int unit,unsigned int pattern,int incdec);
void _MarchSub1_10(unsigned int *pt,int unit,unsigned int pattern,int incdec,unsigned int mask);
//***************************************************************************
/****************************************************************************
【功能说明】将cache里面的数据全部清空成0
****************************************************************************/
void FlushCache(void)
{
int i,saveSyscfg;
saveSyscfg = rSYSCFG; //CPU WRAPPER SPECIAL REGISTERS
rSYSCFG = SYSCFG_0KB; //禁止高速缓存（8K内部SRAM）
Uart_Printf("\n【将cache里面的数据全部清空成0x0000】\n");
for(i = 0x10002000; i < 0x10004800; i += 16)
{
*((int *)i) = 0x0;
}
rSYSCFG = saveSyscfg; //CPU WRAPPER SPECIAL REGISTERS
}
//***************************************************************************
/****************************************************************************
【功能说明】
****************************************************************************/
void _MarchSub1(unsigned int *pt,int unit,unsigned int pattern,int incdec)
{
unsigned int i,rp;
for(i=0;i<=unit;i++)
{
rp=*pt;
//Uart_Printf("RP=%x",*pt);
*pt=pattern;
//Uart_Printf("j=%x,p=%x,pt=%x\n",rp,(~pattern),pt);
if(rp!=(~pattern))
{
Uart_Printf("ERROR1:A=%x,RP=%x,WP=%x \n",pt,rp,(~pattern));
}
pt+=incdec;
}
}
//***************************************************************************
/****************************************************************************
【功能说明】
****************************************************************************/
void MarchCMinus32(int address,int unit,unsigned int pattern)
{
int i;
unsigned int *tempPt;
tempPt=(unsigned int *)address;
for(i=0;i<=unit;i++)
{
//Uart_Printf("P=%x",pattern);
*tempPt++=pattern;
//Uart_Printf("A=%x,P=%x\n",tempPt,*tempPt);
}
_MarchSub1((unsigned int *)address,unit,~pattern,1);
_MarchSub1((unsigned int *)address,unit,pattern,1);
_MarchSub1((unsigned int *)address+unit,unit,~pattern,-1);
_MarchSub1((unsigned int *)address+unit,unit,pattern,-1);
tempPt=(unsigned int *)address;
for(i=0;i<=unit;i++)
{
if(*tempPt!=pattern)
{
Uart_Printf("ERROR0:%x\n",tempPt);
}
tempPt++;
}
//Uart_Printf("RP=%x,RA=%x\n",*tempPt,tempPt);
}
//***************************************************************************
/****************************************************************************
【功能说明】
****************************************************************************/
void _MarchSub1_10(unsigned int *pt,int unit,unsigned int pattern,int incdec,unsigned int mask)
{
unsigned int i,rp;
unsigned int *pt2=pt;
for(i=0;i<=unit;i++)
{
rp=*pt;
//Uart_Printf("RP=%x",*pt);
*pt=pattern;
//Uart_Printf("j=%x,p=%x,pt=%x\n",rp,(~pattern),pt);
if( rp!=(mask&(~pattern)) )
{
Uart_Printf("ERROR1:A=%x,RP=%x,WP=%x pt2=%x \n",pt,rp,(~pattern),pt2);
}
pt+=incdec;
}
}
//***************************************************************************
/****************************************************************************
【功能说明】
****************************************************************************/
void MarchCMinusM_10(int address,int unit,unsigned int pattern,unsigned int mask)
{
int i;
unsigned int *tempPt;
tempPt=(unsigned int *)address;
for(i=0;i<=unit;i++)
{
//Uart_Printf("P=%x",pattern);
// *tempPt++=pattern;
//Uart_Printf("A=%x,P=%x\n",tempPt,*tempPt);
*tempPt=pattern;
tempPt+=0x4;
}
_MarchSub1_10((unsigned int *)address,unit,~pattern,4,mask);
_MarchSub1_10((unsigned int *)address,unit,pattern,4,mask);
_MarchSub1_10((unsigned int *)address+(unit*4),unit,~pattern,-4,mask);
_MarchSub1_10((unsigned int *)address+(unit*4),unit,pattern,-4,mask);
tempPt=(unsigned int *)address;
for(i=0;i<=unit;i++)
{
if( *tempPt!=(pattern&mask) )
{
Uart_Printf("ERROR0:%x\n",tempPt);
}
tempPt+=0x4;
}
//Uart_Printf("RP=%x,RA=%x\n",*tempPt,tempPt);
}
//***************************************************************************
/****************************************************************************
【功能说明】Cache高速缓存自检测试
****************************************************************************/
void Test_Cache(void)
{
int saveSyscfg;
Uart_Printf("\n【Cache高速缓存（内部SRAM）自检测试：】\n");
saveSyscfg=rSYSCFG;
//00->01->11<->10
rSYSCFG=SYSCFG_0KB; //WB_off,Cache_off,I_RAM 8KB,stall disable
//set0=0x10000000~0x100007ff
//set1=0x10000800~0x10000fff
//set2=0x10001000~0x100017ff
//set3=0x10001800~0x10001fff
MarchCMinus32(0x10000000,511,0x00000000);
MarchCMinus32(0x10000000,511,0x0f0f0f0f);
MarchCMinus32(0x10000000,511,0x33333333);
MarchCMinus32(0x10000000,511,0x55555555);
MarchCMinus32(0x10000000,511,0xaaaaaaaa);
Uart_Printf("\n0x10000000至0x100007ff已经测试!\n");
MarchCMinus32(0x10000800,511,0x00000000);
MarchCMinus32(0x10000800,511,0x0f0f0f0f);
MarchCMinus32(0x10000800,511,0x33333333);
MarchCMinus32(0x10000800,511,0x55555555);
MarchCMinus32(0x10000800,511,0xaaaaaaaa);
Uart_Printf("0x10000800至0x10000fff已经测试!\n");
MarchCMinus32(0x10001000,511,0x00000000);
MarchCMinus32(0x10001000,511,0x0f0f0f0f);
MarchCMinus32(0x10001000,511,0x33333333);
MarchCMinus32(0x10001000,511,0x55555555);
MarchCMinus32(0x10001000,511,0xaaaaaaaa);
Uart_Printf("0x10001000至0x100017ff已经测试!\n");
MarchCMinus32(0x10001800,511,0x00000000);
MarchCMinus32(0x10001800,511,0x0f0f0f0f);
MarchCMinus32(0x10001800,511,0x33333333);
MarchCMinus32(0x10001800,511,0x55555555);
MarchCMinus32(0x10001800,511,0xaaaaaaaa);
Uart_Printf("0x10001800至0x10001fff已经测试!\n");
MarchCMinusM_10(0x10002000,127,0x00000000,0x1ffff);
MarchCMinusM_10(0x10002000,127,0x0000ffff,0x1ffff);
MarchCMinusM_10(0x10002000,127,0x00ff00ff,0x1ffff);
MarchCMinusM_10(0x10002000,127,0x0f0f0f0f,0x1ffff);
MarchCMinusM_10(0x10002000,127,0x33333333,0x1ffff);
MarchCMinusM_10(0x10002000,127,0x55555555,0x1ffff);
Uart_Printf("\nTagRAM0已经测试!\n");
MarchCMinusM_10(0x10002800,127,0x00000000,0x1ffff);
MarchCMinusM_10(0x10002800,127,0x0000ffff,0x1ffff);
MarchCMinusM_10(0x10002800,127,0x00ff00ff,0x1ffff);
MarchCMinusM_10(0x10002800,127,0x0f0f0f0f,0x1ffff);
MarchCMinusM_10(0x10002800,127,0x33333333,0x1ffff);
MarchCMinusM_10(0x10002800,127,0x55555555,0x1ffff);
Uart_Printf("TagRAM1已经测试!\n");
MarchCMinusM_10(0x10003000,127,0x00000000,0x1ffff);
MarchCMinusM_10(0x10003000,127,0x0000ffff,0x1ffff);
MarchCMinusM_10(0x10003000,127,0x00ff00ff,0x1ffff);
MarchCMinusM_10(0x10003000,127,0x0f0f0f0f,0x1ffff);
MarchCMinusM_10(0x10003000,127,0x33333333,0x1ffff);
MarchCMinusM_10(0x10003000,127,0x55555555,0x1ffff);
Uart_Printf("TagRAM2已经测试!\n");
MarchCMinusM_10(0x10003800,127,0x00000000,0x1ffff);
MarchCMinusM_10(0x10003800,127,0x0000ffff,0x1ffff);
MarchCMinusM_10(0x10003800,127,0x00ff00ff,0x1ffff);
MarchCMinusM_10(0x10003800,127,0x0f0f0f0f,0x1ffff);
MarchCMinusM_10(0x10003800,127,0x33333333,0x1ffff);
MarchCMinusM_10(0x10003800,127,0x55555555,0x1ffff);
Uart_Printf("TagRAM3已经测试!\n");
MarchCMinusM_10(0x10004000,127,0x00000000,0xf);
MarchCMinusM_10(0x10004000,127,0x0000ffff,0xf);
MarchCMinusM_10(0x10004000,127,0x00ff00ff,0xf);
MarchCMinusM_10(0x10004000,127,0x0f0f0f0f,0xf);
MarchCMinusM_10(0x10004000,127,0x33333333,0xf);
MarchCMinusM_10(0x10004000,127,0x55555555,0xf);
Uart_Printf("LRU已经测试!\n");
Uart_Printf("\n【4K内部SRAM测试：】\n");
rSYSCFG=SYSCFG_4KB;
MarchCMinus32(0x10001000,511,0x00000000);
MarchCMinus32(0x10001000,511,0x0f0f0f0f);
MarchCMinus32(0x10001000,511,0x33333333);
MarchCMinus32(0x10001000,511,0x55555555);
MarchCMinus32(0x10001000,511,0xaaaaaaaa);
Uart_Printf("0x10001000至0x100017ff已经测试!\n");
MarchCMinus32(0x10001800,511,0x00000000);
MarchCMinus32(0x10001800,511,0x0f0f0f0f);
MarchCMinus32(0x10001800,511,0x33333333);
MarchCMinus32(0x10001800,511,0x55555555);
MarchCMinus32(0x10001800,511,0xaaaaaaaa);
Uart_Printf("0x10001800至0x10001fff已经测试!\n");
rSYSCFG=saveSyscfg; //wr_on,Cache 8KB+I_RAM 0KB,stall disable.
FlushCache(); //将cache里面的数据全部清空成0
}
//***************************************************************************
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