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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* Copyright (c) 2023, Artinchip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Wu Dehuang <dehuang.wu@artinchip.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <console.h>
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#include <aic_common.h>
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#include <hexdump.h>
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#define MD_HELP \
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"memory display command:\n" \
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" md [mode] <addr> <count>\n" \
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" mode: should be \"b\" \"w\" \"l\", default is \"b\"\n" \
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" addr: hex address string\n" \
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" count: display unit count\n" \
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" e.g.: \n" \
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" md 0x40000000 64\n" \
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" md w 0x40000000 64\n" \
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" md l 0x40000000 64\n"
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static void mem_display_help(void)
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{
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puts(MD_HELP);
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}
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static int do_mem_display(int argc, char *argv[])
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{
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int groupsize;
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unsigned long addr, cnt;
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cnt = 1;
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if (argc < 3) {
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goto help;
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}
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if (argc > 3) {
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if (*argv[1] == 'b')
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groupsize = 1;
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else if (*argv[1] == 'w')
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groupsize = 2;
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else if (*argv[1] == 'l')
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groupsize = 4;
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else
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goto help;
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addr = strtol(argv[2], NULL, 0);
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cnt = strtol(argv[3], NULL, 0);
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} else {
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groupsize = 1;
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addr = strtol(argv[1], NULL, 0);
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cnt = strtol(argv[2], NULL, 0);
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}
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hexdump((void *)addr, cnt * groupsize, groupsize);
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return 0;
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help:
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mem_display_help();
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return 0;
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}
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#define MW_HELP \
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"memory write command:\n" \
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" mw [mode] <addr> <value>\n" \
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" mode: should be \"b\" \"w\" \"l\", default is \"b\"\n" \
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" addr: hex address string\n" \
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" value: value going to write\n" \
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" e.g.: \n" \
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" mw 0x40000000 64\n" \
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" mw w 0x40000000 64\n" \
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" mw l 0x40000000 64\n"
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static void mem_write_help(void)
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{
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puts(MW_HELP);
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}
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static int do_mem_write(int argc, char *argv[])
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{
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unsigned long addr, val;
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unsigned char *p;
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int groupsize;
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val = 0;
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if (argc < 3) {
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goto help;
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}
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if (argc > 3) {
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if (*argv[1] == 'b')
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groupsize = 1;
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else if (*argv[1] == 'w')
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groupsize = 2;
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else if (*argv[1] == 'l')
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groupsize = 4;
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else
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goto help;
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addr = strtol(argv[2], NULL, 0);
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val = strtol(argv[3], NULL, 0);
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} else {
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groupsize = 1;
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addr = strtol(argv[1], NULL, 0);
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val = strtol(argv[2], NULL, 0);
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}
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p = (unsigned char *)addr;
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memcpy(p, &val, groupsize);
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return 0;
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help:
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mem_write_help();
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return 0;
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}
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CONSOLE_CMD(md, do_mem_display, "Memory display");
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CONSOLE_CMD(mw, do_mem_write, "Memory write");
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