picorv32.s

li ra,0
li sp,0
li gp,0
li tp,0
li t0,0
li t1,0
li t2,0
li s0,0
li s1,0
li a0,0
li a1,0
li a2,0
li a3,0
li a4,0
li a5,0
li a6,0
li a7,0
li s2,0
li s3,0
li s4,0
li s5,0
li s6,0
li s7,0
li s8,0
li s9,0
li s10,0
li s11,0
li t3,0
li t4,0
li t5,0
li t6,0
sw zero,0(zero)
nop