ISS_MSR_CRn_MASK
#define ISS_MSR_CRn(x) (((x) & ISS_MSR_CRn_MASK) >> ISS_MSR_CRn_SHIFT)
ISS_MSR_CRn_MASK | ISS_MSR_CRm_MASK)
ISS_MSR_CRn_MASK | (0x8 << ISS_MSR_CRm_SHIFT),