Exemple #1
0
void HandleDebugEvent_ACL_Exception()
{
	printf("ACL EXCEPTION!\n");
	if(DebugEventData.memAccessType == MMU_AT_CODE)
		armcpu_exception(DebugEventData.cpu(),EXCEPTION_PREFETCH_ABORT);
	else if(DebugEventData.memAccessType == MMU_AT_DATA)
		armcpu_exception(DebugEventData.cpu(),EXCEPTION_DATA_ABORT);
}
Exemple #2
0
void HandleDebugEvent_Write()
{
	// Disabled by default.
	// If you want to enable first you must know and update the address of the
	// RC4 algoritm function.
	return;

	// This method is called twice, so ommit one call.
	extern bool nds_debug_continuing[2];
	if (nds_debug_continuing[DebugEventData.procnum]) {
		nds_debug_continuing[DebugEventData.procnum] = false;
		return;
	}

	// RC4 encrypt / decrypt function
	//   R1: Pointer to data to operate (to decrypt or encrypt)
	//   R2: Size of this data
	if (DebugEventData.addr == rc4_addr[0] || DebugEventData.addr == rc4_addr[1]) {
		nds_debug_continuing[DebugEventData.procnum] = true;

		u32 addr = DebugEventData.addr;
		printf("WIFI: Call to RC4_ALGORITM\n");

		// Write log. Append current data
		// TODO: It needs to open the file each time, it could be slow.
		// An improvement could be opening the file at the start of the function
		// and closing at the end of the function.
		log_ptr = fopen("wifi_log.txt", "a");
		if (log_ptr != NULL)
		{
			// Create header
			time_t ti;
			time(&ti);
			tm* t = localtime(&ti);

			fprintf(log_ptr, "\n[%02d-%02d-%02d-%02d-%02d] %s of RC4_ALGORITM -----------\n", 
				t->tm_mon, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec,
				(addr == rc4_addr[0]) ? "Start" : "End"
			);

			// Dump data
			int length   = DebugEventData.cpu()->R[2];
			int position = DebugEventData.cpu()->R[1] - 0x02000000;	// Relative to memory array
			fwrite(MMU.MAIN_MEM + position, sizeof(char), length, log_ptr);
			
			// End
			fprintf(log_ptr, "\n- THE END -----------------------------------------------\n");

			// Flush and close by the moment
			fflush(log_ptr);
			fclose(log_ptr);
		}
		else {
			printf("Error opening log file\n");
		}
	}
}