mrc-function.c

int smbus_stub(int slv_addr, int reg, int length, unsigned char *b)
{
	struct mrc_params *p = wrapper_params;
	unsigned char *spd_data;

	switch (slv_addr) {
	case FAKE_SPD_ADDR_CH0:
		spd_data = p->mainboard.dram_data[0];
		break;
	case FAKE_SPD_ADDR_CH1:
		spd_data = p->mainboard.dram_data[1];
		break;
	default:
		/* No faking SMBus transaction. */
		return 0;
	}

	if (spd_data == NULL)
		return -1;

	/* Copy the data out of memory. */
	memcpy(b, &spd_data[reg], length);

	return length;
}