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.file "code.s"
.option nopic
.text
.align 2
.globl main
.type main, @function
main:
la a0, trap_vector
csrrw a0, mtvec, a0
ecall
mv a2, a1 # mcause = 11
ebreak
mv a3, a1 # mcause = 3
li a0, 0x400
end:
ret
#j end # ここでループして終了
trap_vector:
nop
csrrw a1, mcause, a1
mret