ucos-ii中的OS_CPU_A.s中的 incl OSRunning语句是什么意思,mov OSTCBHighRdy,%eax //Point to TCB of highest priority task ready to runmov (%eax),%esp //ESP = OSTCBHighRdy->OSTCBStkPtr还有下面这些,//Pop all the processor registers from the
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![ucos-ii中的OS_CPU_A.s中的 incl OSRunning语句是什么意思,mov OSTCBHighRdy,%eax //Point to TCB of highest priority task ready to runmov (%eax),%esp //ESP = OSTCBHighRdy->OSTCBStkPtr还有下面这些,//Pop all the processor registers from the](/uploads/image/z/10962579-3-9.jpg?t=ucos-ii%E4%B8%AD%E7%9A%84OS_CPU_A.s%E4%B8%AD%E7%9A%84+incl+OSRunning%E8%AF%AD%E5%8F%A5%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%2Cmov+OSTCBHighRdy%2C%25eax+%2F%2FPoint+to+TCB+of+highest+priority+task+ready+to+runmov+%28%25eax%29%2C%25esp+%2F%2FESP+%3D+OSTCBHighRdy-%3EOSTCBStkPtr%E8%BF%98%E6%9C%89%E4%B8%8B%E9%9D%A2%E8%BF%99%E4%BA%9B%2C%2F%2FPop+all+the+processor+registers+from+the)
ucos-ii中的OS_CPU_A.s中的 incl OSRunning语句是什么意思,mov OSTCBHighRdy,%eax //Point to TCB of highest priority task ready to runmov (%eax),%esp //ESP = OSTCBHighRdy->OSTCBStkPtr还有下面这些,//Pop all the processor registers from the
ucos-ii中的OS_CPU_A.s中的 incl OSRunning语句是什么意思,
mov OSTCBHighRdy,%eax //Point to TCB of highest priority task ready to run
mov (%eax),%esp //ESP = OSTCBHighRdy->OSTCBStkPtr
还有下面这些,
//Pop all the processor registers from the stack
popa
//Execute a Return from interrupt intruction;
iret
ucos-ii中的OS_CPU_A.s中的 incl OSRunning语句是什么意思,mov OSTCBHighRdy,%eax //Point to TCB of highest priority task ready to runmov (%eax),%esp //ESP = OSTCBHighRdy->OSTCBStkPtr还有下面这些,//Pop all the processor registers from the
OSRunning是UCOS系统己经启动的一个标识,它在调用UCOS中的OSStart时被置为TRUE,你可以好好分析一下UCOS的源码,代码不多,很容易分析.