NormalIntr
if ((csr5 & (NormalIntr|AbnormalIntr)) == 0)
if (!(csr5&~(AbnormalIntr|NormalIntr|RxPollInt|TPLnkPass)))
} while ((csr5 & (NormalIntr|AbnormalIntr)) != 0);
if ((intr_status & (NormalIntr|AbnormalIntr)) == 0)