#include "custom_ops.S"


.extern main
.globl _prog_start
.section .text.init


_prog_start:
	li x15, 0
	# picorv32_maskirq_insn(zero, zero)
	call main

	li gp, 1;
	ecall






















.balign 32
.section .trap_entry, "ax", %progbits
trap_entry:
	# q0 return address
	# q1 bitmask of all IRQ to be handled, may be more than one IRQ 
	# q2 q3 unused, can be use as temp storage register

	# q寄存器已经禁用， Without the q-registers, the irq return address will be stored in x3 (gp) and the IRQ bitmask in x4 (tp),

	# addi x15, x4, 0
	or sp, sp, x4
	
	picorv32_retirq_insn()