SYS_PMSEVFR_EL1
{ SYS_DESC(SYS_PMSEVFR_EL1), undef_access },
write_sysreg_s(U64_MAX, SYS_PMSEVFR_EL1);
spe_pmu->pmsevfr_res0 = ~read_sysreg_s(SYS_PMSEVFR_EL1);
write_sysreg_s(reg, SYS_PMSEVFR_EL1);