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BIOS中如何挂在中断?



各位工程师好;

        在裸机代码中,挂载中断函数已经可以,但是如何在BIOS中挂载中断函数呢?

有没有最简单的GPIO中断或者UART的中断?直接工作在bios中,使用中断方式工作的?