CSR_INSTRET
if (csr_num == CSR_CYCLE || csr_num == CSR_INSTRET) {
if (csr_num == CSR_CYCLE || csr_num == CSR_INSTRET) {
val = riscv_pmu_ctr_read_csr(CSR_INSTRET);
if (!hpm_width && info->csr != CSR_CYCLE && info->csr != CSR_INSTRET)
cmask = BIT(CSR_INSTRET - CSR_CYCLE);