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hardfault_log: Add jump to 0x0 & write 0x0 faults

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Peter van der Perk 2024-05-17 14:27:40 +02:00 committed by David Sidrane
parent ebfa53286f
commit 6b0ac49daf
1 changed files with 17 additions and 1 deletions
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18
src/systemcmds/hardfault_log/hardfault_log.c
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@ -141,6 +141,21 @@ static int genfault(int fault)
/* This is not going to happen */
break;
case 2:
asm("BX %0" : : "r"(0x0));
/* This is not going to happen */
break;
case 3: {
char buffer[128] = {0};
void *dest = (void *)0x0;
memcpy(dest, &buffer, 128);
/* This is not going to happen */
}
break;
default:
break;
@ -1270,7 +1285,8 @@ static void print_usage(void)
PRINT_MODULE_USAGE_COMMAND_DESCR("rearm", "Drop an uncommitted hardfault");
PRINT_MODULE_USAGE_COMMAND_DESCR("fault", "Generate a hardfault (this command crashes the system :)");
PRINT_MODULE_USAGE_ARG("0|1", "Hardfault type: 0=divide by 0, 1=Assertion (default=0)", true);
PRINT_MODULE_USAGE_ARG("0|1|2|3",
"Hardfault type: 0=divide by 0, 1=Assertion, 2=jump to 0x0, 3=write to 0x0 (default=0)", true);
PRINT_MODULE_USAGE_COMMAND_DESCR("commit",
"Write uncommitted hardfault to /fs/microsd/fault_%i.txt (and rearm, but don't reset)");