.section .data
.p2align 3
stack_at_first_entry:
.8byte 0
.section .text
.global menu
.extern _menu
menu:
.option norelax
lla t0, stack_at_first_entry
ld t1, (t0)
beqz t1, 1f
mv sp, t1
j 2f
1: sd sp, (t0)
2: mv fp, zero
mv ra, zero
j _menu