仅当sm为空时方可修改sm的触发长度,注意cnt=cPtr-rPtr,之前可能wPtr已经移动(可能撤销)
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@@ -687,6 +687,7 @@ trait InterfaceCheckSM{ this: InterfaceBase =>
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cReg.smUsedDepth(i) := io.smUsedDepth(i)
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cReg.smTrigLen(i) := Cat( smTrigLen_H(i), smTrigLen_L(i) )
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when( cReg.smUsedDepth(i) === 0.U ){
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when( isEnW & addrw === ("h303".U(16.W) + (i*4).U) ){
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smTrigLen_H(i) := dataw
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} .elsewhen( io.lvds.isEnW & io.lvds.addrw === ("h303".U(16.W) + (i*4).U)){
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@@ -698,6 +699,10 @@ trait InterfaceCheckSM{ this: InterfaceBase =>
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} .elsewhen( io.lvds.isEnW & io.lvds.addrw === ("h302".U(16.W) + (i*4).U)){
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smTrigLen_L(i) := io.lvds.dataw
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}
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}
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}
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