Delete dmi_jtag_to_core_sync.scala
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package dmi
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import chisel3._
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import scala.collection._
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import chisel3.util._
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import include._
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import lib._
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class dmi_jtag_to_core_sync extends Module with el2_lib with RequireAsyncReset {
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val io = IO(new Bundle{
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// JTAG signals
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val rd_en = Input(UInt(1.W))// 1 bit Read Enable from JTAG
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val wr_en = Input(UInt(1.W))// 1 bit Write enable from JTAG
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// Processor Signals
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// val rst_n = Input(Bool()) // Core reset
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// val clk = Input(Bool()) // Core clock
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val reg_en = Output(UInt(1.W)) // 1 bit Write interface bit to Processor
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val reg_wr_en = Output(UInt(1.W)) // 1 bit Write enable to Processor
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})
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val c_rd_en =WireInit(0.U(1.W))
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val c_wr_en =WireInit(0.U(1.W))
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val rden =WireInit(0.U(3.W))
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val wren =WireInit(0.U(3.W))
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// synchronizers
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rden := RegNext(Cat(rden(1,0),io.rd_en),0.U)
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wren := RegNext(Cat(wren(1,0),io.wr_en),0.U)
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c_rd_en := rden(1) & !rden(2)
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c_wr_en := wren(1) & !wren(2)
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// Outputs
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io.reg_en := c_wr_en | c_rd_en
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io.reg_wr_en := c_wr_en
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}
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object dmijtag_main extends App{
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println("Generate Verilog")
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println((new chisel3.stage.ChiselStage).emitVerilog(new dmi_jtag_to_core_sync()))
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}
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