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Merge pull request #1155 from tongchen126/master

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litex/soc/software/bios/cmds/cmd_mem.c: add mem_cmp
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enjoy-digital 2022-01-14 19:02:16 +01:00 committed by GitHub
commit ffc96a5655
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1 changed files with 52 additions and 0 deletions
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52
litex/soc/software/bios/cmds/cmd_mem.c
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@ -264,3 +264,55 @@ static void mem_speed_handler(int nb_params, char **params)
memspeed(addr, size, read_only, random);
}
define_command(mem_speed, mem_speed_handler, "Test memory speed", MEM_CMDS);
/**
* Command "mem_cmp"
*
* Memory Compare
*
*/
static void mem_cmp_handler(int nb_params, char **params)
{
char *c;
unsigned int *addr1;
unsigned int *addr2;
unsigned int count;
unsigned int i;
bool same = true;
if (nb_params < 3) {
printf("mem_cmp <addr1> <addr2> <count>");
return;
}
addr1 = (unsigned int *)strtoul(params[0], &c, 0);
if (*c != 0) {
printf("Incorrect addr1");
return;
}
addr2 = (unsigned int *)strtoul(params[1], &c, 0);
if (*c != 0) {
printf("Incorrect addr2");
return;
}
count = strtoul(params[2], &c, 0);
if (*c != 0) {
printf("Incorrect count");
return;
}
for (i = 0; i < count; i++)
if (*addr1++ != *addr2++){
printf("Different memory content:\naddr1: 0x%08lx, content: 0x%08x\naddr2: 0x%08lx, content: 0x%08x\n",
(long unsigned int)(addr1 - 1), *(addr1 - 1),
(long unsigned int)(addr2 - 1), *(addr2 - 1));
same = false;
}
if (same)
printf("mem_cmp finished, same content.");
else
printf("mem_cmp finished, different content.");
}
define_command(mem_cmp, mem_cmp_handler, "Compare memory content", MEM_CMDS);