os_starthighrdy.asm

来自「uCOS-II内核分析移植与驱动程序开发,书中的第9章源代码,极具参考价值,学完」· 汇编 代码 · 共 16 行

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_OSStartHighRdy:  

	.global _OSStartHighRdy
	.ref   _OSTCBHighRdy						                               	        	
	       
     MOVW    DP,#_OSTCBHighRdy	 ;SP = OSTCBhighRdy->OSTCBStkPtr	
     MOVL    XAR4,@_OSTCBHighRdy   
     MOV     AL,*+XAR4[0]              
      
     MOV     @SP,AL
     POP     RPC
     IRET

.end