Vsstatus
512
sd,63,60,number,
uxl,33,32,UxlValues,Uxl32=1;Uxl64;Uxl128,Effective User XLEN.
mxr,19,19,number,
sum,18,18,number,
xs,16,15,number,
fs,14,13,number,
spp,8,8,number,
ube,6,6,number,
spie,5,5,number,
sie,1,1,number,
end
Hypervisor Guest External Interrupt Pending Register.