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请教关于UCOS 里寄存器保存的问题



从网上下载了UCOS的移值代码,PUSH ALL的时候都只保存4,5个寄存器,比如R12,R13,R4,如果任务切换的时候还用到了R10,R11,那么切换回来的时候如果其值改变了,那怎么样办?