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削减下行部分计数减法器

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This commit is contained in:
RuigeLee
2024-10-22 17:10:30 +08:00
parent e0ca51875e
commit 9cc388265c
1 changed files with 7 additions and 7 deletions
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14
src/main/scala/backBoard/shin/ShinSlv.scala
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@@ -97,14 +97,14 @@ trait ShinSlvPhyDownStreamRecv{ this: ShinSlvPhyBase =>
downRecvStateNext := Mux1H(Seq(
(downRecvStateCurr === DownRecvStateIdle ) -> Mux( downPendBuf.io.deq.valid, DownRecvStateOHead, DownRecvStateIdle ),
(downRecvStateCurr === DownRecvStateOHead) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === ((headByte)-1).U, DownRecvStateSData, DownRecvStateOHead), DownRecvStateIdle ), DownRecvStateOHead),
(downRecvStateCurr === DownRecvStateSData) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === (downLocalDataByte -1.U), Mux( downRecvCnt === (downOldHead.length - 1.U), DownRecvStateCRC, DownRecvStateFData ), DownRecvStateSData), DownRecvStateIdle ), DownRecvStateSData),
(downRecvStateCurr === DownRecvStateFData) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === (downForwardDataByte -1.U) , DownRecvStateCRC, DownRecvStateFData), DownRecvStateIdle ), DownRecvStateFData),
(downRecvStateCurr === DownRecvStateOHead) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === ((headByte)).U, DownRecvStateSData, DownRecvStateOHead), DownRecvStateIdle ), DownRecvStateOHead),
(downRecvStateCurr === DownRecvStateSData) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === (downLocalDataByte ), Mux( downRecvCnt === (downOldHead.length - 1.U), DownRecvStateCRC, DownRecvStateFData ), DownRecvStateSData), DownRecvStateIdle ), DownRecvStateSData),
(downRecvStateCurr === DownRecvStateFData) -> Mux( downPendBuf.io.deq.fire, Mux( ~downPendBuf.io.deq.bits.tlast, Mux(downRecvCnt === (downForwardDataByte ) , DownRecvStateCRC, DownRecvStateFData), DownRecvStateIdle ), DownRecvStateFData),
(downRecvStateCurr === DownRecvStateCRC ) -> Mux( downPendBuf.io.deq.fire & downPendBuf.io.deq.bits.tlast, DownRecvStateIdle, DownRecvStateCRC ),
))
when( downRecvStateCurr =/= downRecvStateNext ){
downRecvCnt := 0.U
downRecvCnt := 1.U
} .elsewhen( downPendBuf.io.deq.fire ){
downRecvCnt := downRecvCnt + 1.U
}
@@ -126,7 +126,7 @@ trait ShinSlvPhyDownStreamRecv{ this: ShinSlvPhyBase =>
when( downRecvStateCurr === DownRecvStateSData & downPendBuf.io.deq.fire ){
downRegTemp(downRecvCnt) := downPendBuf.io.deq.bits.tdata
downRegTemp(downRecvCnt-1.U) := downPendBuf.io.deq.bits.tdata
}
//---------------
@@ -134,7 +134,7 @@ trait ShinSlvPhyDownStreamRecv{ this: ShinSlvPhyBase =>
downRecvStateCurr === DownRecvStateFData & downPendBuf.io.deq.fire & ~isLastDevice
downStreamFifo.io.enq.bits.tdata := downPendBuf.io.deq.bits.tdata
downStreamFifo.io.enq.bits.tuser := downPendBuf.io.deq.bits.tuser
downStreamFifo.io.enq.bits.tlast := downRecvCnt === (downForwardDataByte -1.U) | downPendBuf.io.deq.bits.tlast
downStreamFifo.io.enq.bits.tlast := downRecvCnt === (downForwardDataByte) | downPendBuf.io.deq.bits.tlast
downPendBuf.io.deq.ready :=
(downRecvStateCurr === DownRecvStateOHead) |
@@ -156,7 +156,7 @@ trait ShinSlvPhyDownStreamRecv{ this: ShinSlvPhyBase =>
} .elsewhen( downRecvStateCurr === DownRecvStateFData & downRecvStateNext === DownRecvStateIdle ){
isDownStreamError := true.B
printf("Warning, Wrong Package Received in DownStream, That could not happened!\n")
} .elsewhen( downRecvStateCurr === DownRecvStateCRC & (downRecvCnt > 3.U | (downPendBuf.io.deq.fire & downPendBuf.io.deq.bits.tlast & downRecvCnt < 3.U)) ){
} .elsewhen( downRecvStateCurr === DownRecvStateCRC & downPendBuf.io.deq.fire & downPendBuf.io.deq.bits.tlast & downRecvCnt =/= 4.U ){
isDownStreamError := true.B
printf("Warning, Wrong Package Received in DownStream, That could not happened!\n")
} .elsewhen( isDownNewHeadCreated & downOldHead.length < downLocalDataByte ){ //本包的负载不能满足本级数据需求，传输错误