存储器实验

最新推荐文章于 2024-09-04 22:42:35 发布

原创最新推荐文章于 2024-09-04 22:42:35 发布 · 1.2k 阅读

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CC 4.0 BY-SA版权

文章标签：

#存储 #access #file #include #测试 #c

进行此实验时出错了，不明白什么原因：

/*********************************************************************************************
* File： main.c
* Author: embest
* Desc： c main entry
* History:
*********************************************************************************************/

/*------------------------------------------------------------------------------------------*/
/* includes files */
/*------------------------------------------------------------------------------------------*/
#include "2410lib.h"

/*********************************************************************************************
* name:  main
* func:  c code entry
* para:  none
* ret:  none
* modify:
* comment:
*********************************************************************************************/
void Main(int argc,char **argv)
{
sys_init();        /* Initial s3c2410's Clock, MMU, Interrupt,Port and UART */

memory_test();

}

/*********************************************************************************************
* File： memory.c
* Author: embest
* Desc： memory test file
* History:
*********************************************************************************************/

/*------------------------------------------------------------------------------------------*/
/* include files */
/*------------------------------------------------------------------------------------------*/
#include "2410lib.h"

/*********************************************************************************************
* name:  memory_test
* func:  memory test
* para:  none
* ret:  none
* modify:
* comment:
*********************************************************************************************/
void memory_test(void)
{
    int i;
    UINT32T data;
    int memError=0;
    UINT32T *pt;

    //
    // memory test
    //
    uart_printf("/nMemory Test(%xh-%xh):WR/n",_RAM_STARTADDRESS+0x10000,(_ISR_STARTADDRESS&0xf0ff0000));

    //memory write
    pt=(UINT32T *)(_RAM_STARTADDRESS+0x10000);
    while((UINT32T)pt<(_ISR_STARTADDRESS&0xf0ff0000))
    {
*pt=(UINT32T)pt;
pt++;
    }

    //MEMORY READ
    uart_printf("Memory Test(%xh-%xh):RD/n",_RAM_STARTADDRESS+0x10000,(_ISR_STARTADDRESS&0x0f0ff0000));
    //uart_printf("/b/bRD");
    pt=(UINT32T *)(_RAM_STARTADDRESS+0x10000);

    while((UINT32T)pt<(_ISR_STARTADDRESS&0xf0ff0000))
    {
data=*pt;
if(data!=(UINT32T)pt)
{
     memError=1;
     uart_printf("/b/bFAIL:0x%x=0x%x/n",i,data);
     break;
}
pt++;
    }

if(memError==0)
uart_printf("/n/b/bO.K./n");
}

===============================================

实验测试结果：

boot success
Embest EduKit Arm Platform Memory Access Test Example
Enter a start address of ram to test(0x3.......):0x30100000
Enter a end address of ram to test(0x3.......):0x30200000
Memory Test(0x30100000-0x30200000):RDMemTest FAIL:0x30001314=0x4fc01
end.
Memory Access Test Example
Enter a start address of ram to test(0x3.......):
boot success
Embest EduKit Arm Platform Memory Access Test Example
Enter a start address of ram to test(0x3.......):0x30100000
Enter a end address of ram to test(0x3.......):0x30100010
Memory Test(0x30100000-0x30100010):RDMemTest FAIL:0x30001314=0xea000056
end.
Memory Access Test Example
Enter a start address of ram to test(0x3.......):o
boot success
Embest EduKit Arm Platform Memory Access Test Example
Enter a start address of ram to test(0x3.......):0x30200004
Enter a end address of ram to test(0x3.......):0x30200010
Memory Test(0x30200004-0x30200010):RDMemTest FAIL:0x30001314=0xea00005d
end.
Memory Access Test Example
Enter a start address of ram to test(0x3.......):