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gpCGEM_regs->INTMUX1 =
(CSL_GEM_INTDST_N_PLUS_16<<CSL_CGEM_INTMUX1_INTSEL4_SHIFT)| (CSL_GEM_QM_INT_LOW_0<<CSL_CGEM_INTMUX1_INTSEL5_SHIFT);
这里没太看懂，是怎么将INT4 和 INT5 对应到INTDST_16的 ，而且interrupt_map的作用也不是太明白， 文档中哪里有说明呢 ，谢谢。
在c66x corepac user guide interrupt controller章节有说明，INTMUX寄存器是用来配置每个core interrupt的中断源。
