redboot添加命令示例

方法比较简单, 参考redboot原有的命令即可.参考代码如下:
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static void
do_memtest(int argc, char *argv[])
{
    struct option_info opts[6];
    int start_addr;
    int test_size;
    int test_count;
    bool b1 = false, b2 = false, b3 = false;
    bool succ = true;
    int tmp;
    int curr_addr;
    int i;

    // 获取参数
    init_opts(&opts[0], 'a', true, OPTION_ARG_TYPE_NUM,
          (void *)&start_addr, (bool *)&b1, "base address");
    init_opts(&opts[1], 's', true, OPTION_ARG_TYPE_NUM,
          (void *)&test_size, (bool *)&b2, "length");
    init_opts(&opts[2], 'c', true, OPTION_ARG_TYPE_NUM,
          (void *)&test_count, (bool *)&b3, "test count");

    if (!scan_opts(argc, argv, 1, opts, 3, 0, 0, "")) {
        return;
    }

    if(b1) {
        diag_printf("b1 set\n");
    } else {
        diag_printf("b1 not set\n");
        return;
    }

    if(b2) {
        diag_printf("b2 set\n");
    } else {
        diag_printf("b2 not set\n");
        return;
    }

    if(b3) {
        diag_printf("b3 set\n");
    } else {
        diag_printf("b3 not set\n");
        return;
    }

#if 0
    if(!b1 || ! b2) {
        diag_printf("arg err: memtest -a 0x1000000 -s 0x2000(a is addr, s is size)\n");
        return -1;
    }
#endif

    // 测试内存
    diag_printf("usage: memtest -a 0x1000000 -s 0x2000 -c 2(a is addr, s is size, c is count)\n");
    diag_printf("begin test, start: 0x%x, size: 0x%x, count: %d\n", start_addr, test_size, test_count);
#if 1
    for(i = 0; i < test_count; i++) {
        curr_addr = start_addr;

        while(curr_addr < start_addr + test_size) {
            // 写入0xa5a5a5a5
            #define TEST_VALUE1    0xa5a5a5a5
            *(int *)curr_addr = TEST_VALUE1;
            if(TEST_VALUE1 != *(int *)curr_addr) {
                succ = false;
                goto out1;
            }

            // 写入0x5a5a5a5a
            #define TEST_VALUE2    0x5a5a5a5a
            *(int *)curr_addr = TEST_VALUE2;
            if(TEST_VALUE2 != *(int *)curr_addr) {
                succ = false;
                goto out1;
            }

            curr_addr += 4;
        }
        diag_printf("test cross %d succ\n", i + 1);
    }
#endif

out1:
    // 测试结果
    if(succ)
        diag_printf("test succ\n");
    else
        diag_printf("test err@0x%x\n", curr_addr);
}

RedBoot_cmd("memtest",
            "usage: memtest -a 0x1000000 -s 0x2000 -c 2(a is addr, s is size, c is count)",
            "",
            do_memtest
    );





static void
do_setmem(int argc, char *argv[])
{
    struct option_info opts[4];
    int mem_addr;
    int mem_value;
    bool b1 = false, b2 = false;


    // 获取参数
    init_opts(&opts[0], 'a', true, OPTION_ARG_TYPE_NUM,
          (void *)&mem_addr, (bool *)&b1, "mem address");
    init_opts(&opts[1], 'v', true, OPTION_ARG_TYPE_NUM,
          (void *)&mem_value, (bool *)&b2, "mem value");

    if (!scan_opts(argc, argv, 1, opts, 2, 0, 0, "")) {
        return;
    }

    if(b1) {
        diag_printf("b1 set\n");
    } else {
        diag_printf("b1 not set\n");
        return;
    }

    if(b2) {
        diag_printf("b2 set\n");
    } else {
        diag_printf("b2 not set\n");
        return;
    }

#if 0
    if(!b1 || ! b2) {
        diag_printf("arg err: memtest -a 0x1000000 -s 0x2000(a is addr, s is size)\n");
        return -1;
    }
#endif

    // 测试内存
    diag_printf("usage: setmem -a 0x1000000 -v 0x2000(a is addr, v is value)\n");
    diag_printf("mem addr: 0x%x, value: 0x%x\n", mem_addr, mem_value);


    *(int *)mem_addr = mem_value;
}



RedBoot_cmd("setmem",
            "usage: setmem -a 0x1000000 -v 0x2000(a is addr, v is value)",
            "",
            do_setmem
    );




测试方法:
测试内存:

内存范围: 256M : 0x0~0x100 00000
memtest -a 0x100000 -s 0xfe00000 -c 2



memtest -a 0x800000 -s 0x2000000 -c 10          从8M开始测试32M, 第4次复位
memtest -a 0x800000 -s 0xe000000 -c 10          10ok, 1failed
memtest -a 0x800000 -s 0xe800000 -c 10
memtest -a 0x800000 -s 0xf000000 -c 10


memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2
memtest -a 0x1000000 -s 0x2000 -c 2


设置内存(寄存器):

dump -b 0xcc00e504 -l 4
setmem -a 0xcc00e504 -v 0xf1110006
dump -b 0xcc00e504 -l 4