汇编代码中
# file: nios_isr_funnel.s
# Started 2003 November
#
# This is the assembly language stub for an exception
# handler. We provide both the funnel (aka "trampoline" in some
# dialects) and a stub to poke a jump to it to the exception
# vector address
#
.include "nios_macros.s"
.global _nr_ensure_isr_jmp # private routine used by library
# Explicitly allow the use of r1 (the assembler temporary register)
# within this code. This register is normally reserved for the use of
# the compiler.
.set noat
_nr_ensure_isr_jmp: |
