k210-mem-test.c

	uint64_t mask = 0;
	for(int i=0; i<2; i++){
		volatile uint64_t *ptr = (volatile uint64_t*)0x80100000;
		uint64_t rnd = 12345;
		for(; (uint64_t)ptr < 0x80800000; ptr+=1)
		{
			*ptr = rnd^mask; // Write MEM
			// if((uint64_t)ptr == 0x802a0d90){
			// 	printHex(rnd^mask);
			// 	sbi_ecall_console_putc('\n');
			// 	printHex(*ptr);
			// 	sbi_ecall_console_putc('\n');
			// }
			rnd = rnd * 1103515245 + 12345;
		}
		ptr = (void*)0x80100000;
		rnd = 12345;
		for(; (uint64_t)ptr < 0x80800000; ptr+=1)
		{
			if(*ptr != (rnd^mask)){ // Read MEM
				sbi_ecall_console_puts("mem test fail @ 0x");
				printHex((uint64_t)ptr);
				sbi_ecall_console_puts("\n ");
				printHex(*ptr);
				sbi_ecall_console_puts(" != ");
				printHex(rnd^mask);
				sbi_ecall_console_putc('\n');
				// while (1)
				// 	wfi();
			}
			rnd = rnd * 1103515245 + 12345;
		}
		// sbi_ecall_console_puts("mem test ok\n");
		mask = ~mask;
	}