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Junaid Ahmed
GitHub
parent
5ddac811dc
commit
1fc689d6ad
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package lib
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import chisel3._
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import chisel3.util._
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class rvdff(WIDTH:Int=1,SHORT:Int=0) extends Module{
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val io = IO(new Bundle{
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val din = Input(UInt(WIDTH.W))
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val dout = Output(UInt(WIDTH.W))
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})
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val flop = RegNext(io.din,0.U)
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if(SHORT == 1)
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{io.dout := io.din}
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else
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{io.dout := flop}
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}
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class rvsyncss(WIDTH:Int = 251,SHORT:Int = 0) extends Module with RequireAsyncReset{ //Done for verification and testing
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val io = IO(new Bundle{
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val din = Input(UInt(WIDTH.W))
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val dout = Output(UInt(WIDTH.W))
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})
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val sync_ff1 = RegNext(io.din,0.U) //RegNext(io.in,init)
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val sync_ff2 = RegNext(sync_ff1,0.U)
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if(SHORT == 1)
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{ io.dout := io.din }
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else
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{ io.dout := sync_ff2 }
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}
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class rvlsadder extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val rs1 = Input(UInt(32.W))
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val offset = Input(UInt(12.W))
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val dout = Output(UInt(32.W))
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})
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val w1 = Cat("b0".U,io.rs1(11,0)) + Cat("b0".U,io.offset(11,0)) //w1[12] =cout offset[11]=sign
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val dout_upper = ((Fill(20, ~(io.offset(11) ^ w1(12)))) & io.rs1(31,12)) |
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((Fill(20, ~io.offset(11) ^ w1(12))) & (io.rs1(31,12)+1.U)) |
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((Fill(20, io.offset(11) ^ ~w1(12))) & (io.rs1(31,12)-1.U))
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io.dout := Cat(dout_upper,w1(11,0))
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}
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class rvbsadder extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val pc = Input(UInt(32.W)) // lsb is not using in code
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val offset = Input(UInt(13.W)) // lsb is not using in code
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val dout = Output(UInt(31.W))
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})
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val w1 = Cat("b0".U,io.pc(12,1)) + Cat("b0".U,io.offset(12,1)) //w1[12] =cout offset[12]=sign
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val dout_upper = ((Fill(19, ~(io.offset(12) ^ w1(12))))& io.pc(31,13)) |
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((Fill(19, ~io.offset(12) ^ w1(12))) & (io.pc(31,13)+1.U)) |
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((Fill(19, io.offset(12) ^ ~w1(12))) & (io.pc(31,13)-1.U))
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io.dout := Cat(dout_upper,w1(11,0))
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}
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class rvtwoscomp(WIDTH:Int=32) extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val din = Input(UInt(WIDTH.W))
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val dout = Output(UInt(WIDTH.W))
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})
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val temp = Wire(Vec(WIDTH-1,UInt(1.W)))
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val i:Int = 1
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for(i <- 1 to WIDTH-1){
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val done = io.din(i-1,0).orR
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temp(i-1) := Mux(done ,~io.din(i),io.din(i))
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}
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io.dout := Cat(temp.asUInt,io.din(0))
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}
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class rvmaskandmatch(WIDTH:Int=32) extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val mask = Input(UInt(WIDTH.W))
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val data = Input(UInt(WIDTH.W))
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val masken = Input(UInt(1.W))
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val match_out = Output(UInt(1.W))
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})
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val matchvec = Wire(Vec(WIDTH,UInt(1.W)))
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val masken_or_fullmask = io.masken.asBool & ~io.mask(WIDTH-1,0).andR
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matchvec(0) := masken_or_fullmask | (io.mask(0) === io.data(0)).asUInt
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for(i <- 1 to WIDTH-1)
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{matchvec(i) := Mux(io.mask(i-1,0).andR & masken_or_fullmask,"b1".U,(io.mask(i) === io.data(i)).asUInt)}
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io.match_out := matchvec.asUInt
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}
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class rvrangecheck(CCM_SADR:Int=0, CCM_SIZE:Int=128) extends Module{
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val io = IO(new Bundle{
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val addr = Input(UInt(32.W))
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val in_range = Output(UInt(1.W))
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val in_region = Output(UInt(1.W))
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})
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val REGION_BITS = 4
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val MASK_BITS = 10 + log2Ceil(CCM_SIZE)
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val start_addr = Wire(UInt(32.W))
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start_addr := CCM_SIZE.U
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val region = start_addr(31,(32-REGION_BITS))
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io.in_region := (io.addr(31,(32-REGION_BITS)) === region(REGION_BITS-1,0)).asUInt
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if(CCM_SIZE == 48)
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io.in_range := (io.addr(31,MASK_BITS) === start_addr(31,MASK_BITS)).asUInt & ~(io.addr(MASK_BITS-1,MASK_BITS-2).andR.asUInt)
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else
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io.in_range := (io.addr(31,MASK_BITS) === start_addr(31,MASK_BITS)).asUInt
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}
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class rveven_paritygen(WIDTH:Int= 16) extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val data_in = Input (UInt(WIDTH.W))
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val parity_out = Output(UInt(1.W))
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})
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io.parity_out := io.data_in.xorR.asUInt
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}
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class rveven_paritycheck(WIDTH:Int= 16) extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val data_in = Input (UInt(WIDTH.W))
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val parity_in = Input (UInt(1.W))
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val parity_err = Output(UInt(1.W))
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})
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io.parity_err := (io.data_in.xorR.asUInt) ^ io.parity_in
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}
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class rvecc_encode extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val din = Input(UInt(32.W))
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val ecc_out = Output(UInt(7.W))
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})
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val mask0 = Array(0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,1,0,1,1)
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val mask1 = Array(1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,1,1,0,1)
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val mask2 = Array(1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,0)
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val mask3 = Array(0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0)
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val mask4 = Array(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0)
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val mask5 = Array(1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
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val w0 = Wire(Vec(18,UInt(1.W)))
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val w1 = Wire(Vec(18,UInt(1.W)))
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val w2 = Wire(Vec(18,UInt(1.W)))
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val w3 = Wire(Vec(15,UInt(1.W)))
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val w4 = Wire(Vec(15,UInt(1.W)))
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val w5 = Wire(Vec(6, UInt(1.W)))
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var j = 0;var k = 0;var m = 0;
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var x = 0;var y = 0;var z = 0
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for(i <- 0 to 31)
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{
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if(mask0(i)==1) {w0(j) := io.din(i); j = j +1 }
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if(mask1(i)==1) {w1(k) := io.din(i); k = k +1 }
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if(mask2(i)==1) {w2(m) := io.din(i); m = m +1 }
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if(mask3(i)==1) {w3(x) := io.din(i); x = x +1 }
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if(mask4(i)==1) {w4(y) := io.din(i); y = y +1 }
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if(mask5(i)==1) {w5(z) := io.din(i); z = z +1 }
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}
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val w6 = Cat((w0.asUInt.xorR),(w1.asUInt.xorR),(w2.asUInt.xorR),(w3.asUInt.xorR),(w4.asUInt.xorR),(w5.asUInt.xorR))
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io.ecc_out := Cat(io.din.xorR ^ w6.xorR, w6)
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}
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class rvecc_decode extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val en = Input(UInt(1.W))
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val din = Input(UInt(32.W))
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val ecc_in = Input(UInt(7.W))
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val sed_ded = Input(UInt(1.W))
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val ecc_out = Output(UInt(7.W))
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val dout = Output(UInt(32.W))
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val single_ecc_error = Output(UInt(1.W))
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val double_ecc_error = Output(UInt(1.W))
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})
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val mask0 = Array(1,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0)
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val mask1 = Array(1,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1)
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val mask2 = Array(0,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1)
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val mask3 = Array(0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0)
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val mask4 = Array(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0)
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val mask5 = Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1)
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val w0 = Wire(Vec(18,UInt(1.W)))
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val w1 = Wire(Vec(18,UInt(1.W)))
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val w2 = Wire(Vec(18,UInt(1.W)))
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val w3 = Wire(Vec(15,UInt(1.W)))
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val w4 = Wire(Vec(15,UInt(1.W)))
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val w5 = Wire(Vec(6,UInt(1.W)))
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var j = 0;var k = 0;var m = 0; var n =0;
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var x = 0;var y = 0;
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for(i <- 0 to 31)
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{
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if(mask0(i)==1) {w0(j) := io.din(i); j = j +1 }
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if(mask1(i)==1) {w1(k) := io.din(i); k = k +1 }
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if(mask2(i)==1) {w2(m) := io.din(i); m = m +1 }
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if(mask3(i)==1) {w3(n) := io.din(i); n = n +1 }
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if(mask4(i)==1) {w4(x) := io.din(i); x = x +1 }
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if(mask5(i)==1) {w5(y) := io.din(i); y = y +1 }
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}
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val ecc_check = Cat((io.din.xorR ^ io.ecc_in.xorR) & ~io.sed_ded ,io.ecc_in(5)^(w5.asUInt.xorR),io.ecc_in(4)^(w4.asUInt.xorR),io.ecc_in(3)^(w3.asUInt.xorR),io.ecc_in(2)^(w2.asUInt.xorR),io.ecc_in(1)^(w1.asUInt.xorR),io.ecc_in(0)^(w0.asUInt.xorR))
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io.ecc_out := ecc_check
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io.single_ecc_error := io.en & (ecc_check!= 0.U) & ((io.din.xorR ^ io.ecc_in.xorR) & ~io.sed_ded)
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io.double_ecc_error := io.en & (ecc_check!= 0.U) & ((io.din.xorR ^ io.ecc_in.xorR) & ~io.sed_ded)
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val error_mask = Wire(Vec(39,UInt(1.W)))
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for(i <- 1 until 40){
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error_mask(i-1) := ecc_check(5,0) === i.asUInt
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}
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val din_plus_parity = Cat(io.ecc_in(6), io.din(31,26), io.ecc_in(5), io.din(25,11), io.ecc_in(4), io.din(10,4), io.ecc_in(3), io.din(3,1), io.ecc_in(2), io.din(0), io.ecc_in(1,0))
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val dout_plus_parity = Mux(io.single_ecc_error.asBool, (error_mask.asUInt ^ din_plus_parity), din_plus_parity)
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io.dout := Cat(dout_plus_parity(37,32),dout_plus_parity(30,16), dout_plus_parity(14,8), dout_plus_parity(6,4), dout_plus_parity(2))
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io.ecc_out := Cat(dout_plus_parity(38) ^ (ecc_check(6,0) === "b1000000".U), dout_plus_parity(31), dout_plus_parity(15), dout_plus_parity(7), dout_plus_parity(3), dout_plus_parity(1,0))
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}
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class rvecc_encode_64 extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val din = Input(UInt(64.W))
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val ecc_out = Output(UInt(7.W))
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})
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val mask0 = Array(1,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1)
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val mask1 = Array(1,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1)
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val mask2 = Array(0,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1)
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val mask3 = Array(0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
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val mask4 = Array(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
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val mask5 = Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
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val mask6 = Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1)
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val w0 = Wire(Vec(35,UInt(1.W)))
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val w1 = Wire(Vec(35,UInt(1.W)))
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val w2 = Wire(Vec(35,UInt(1.W)))
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val w3 = Wire(Vec(31,UInt(1.W)))
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val w4 = Wire(Vec(31,UInt(1.W)))
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val w5 = Wire(Vec(31,UInt(1.W)))
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val w6 = Wire(Vec(7, UInt(1.W)))
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var j = 0;var k = 0;var m = 0; var n =0;
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var x = 0;var y = 0;var z = 0
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for(i <- 0 to 63)
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{
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if(mask0(i)==1) {w0(j) := io.din(i); j = j +1 }
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if(mask1(i)==1) {w1(k) := io.din(i); k = k +1 }
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if(mask2(i)==1) {w2(m) := io.din(i); m = m +1 }
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if(mask3(i)==1) {w3(n) := io.din(i); n = n +1 }
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if(mask4(i)==1) {w4(x) := io.din(i); x = x +1 }
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if(mask5(i)==1) {w5(y) := io.din(i); y = y +1 }
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if(mask6(i)==1) {w6(z) := io.din(i); z = z +1 }
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}
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io.ecc_out := Cat((w0.asUInt.xorR),(w1.asUInt.xorR),(w2.asUInt.xorR),(w3.asUInt.xorR),(w4.asUInt.xorR),(w5.asUInt.xorR),(w6.asUInt.xorR))
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}
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class rvecc_decode_64 extends Module{ //Done for verification and testing
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val io = IO(new Bundle{
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val en = Input(UInt(1.W))
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val din = Input(UInt(64.W))
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val ecc_in = Input(UInt(7.W))
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val ecc_error = Output(UInt(1.W))
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})
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val mask0 = Array(1,1,0,1,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,0,1,0,1,0,1)
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val mask1 = Array(1,0,1,1,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,1,1,0,0,1,1)
|
||||
val mask2 = Array(0,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,1,1,1,1)
|
||||
val mask3 = Array(0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
|
||||
val mask4 = Array(0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
|
||||
val mask5 = Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0)
|
||||
val mask6 = Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1)
|
||||
|
||||
val w0 = Wire(Vec(35,UInt(1.W)))
|
||||
val w1 = Wire(Vec(35,UInt(1.W)))
|
||||
val w2 = Wire(Vec(35,UInt(1.W)))
|
||||
val w3 = Wire(Vec(31,UInt(1.W)))
|
||||
val w4 = Wire(Vec(31,UInt(1.W)))
|
||||
val w5 = Wire(Vec(31,UInt(1.W)))
|
||||
val w6 = Wire(Vec(7, UInt(1.W)))
|
||||
|
||||
var j = 0;var k = 0;var m = 0; var n =0;
|
||||
var x = 0;var y = 0;var z = 0
|
||||
|
||||
for(i <- 0 to 63)
|
||||
{
|
||||
if(mask0(i)==1) {w0(j) := io.din(i); j = j +1 }
|
||||
if(mask1(i)==1) {w1(k) := io.din(i); k = k +1 }
|
||||
if(mask2(i)==1) {w2(m) := io.din(i); m = m +1 }
|
||||
if(mask3(i)==1) {w3(n) := io.din(i); n = n +1 }
|
||||
if(mask4(i)==1) {w4(x) := io.din(i); x = x +1 }
|
||||
if(mask5(i)==1) {w5(y) := io.din(i); y = y +1 }
|
||||
if(mask6(i)==1) {w6(z) := io.din(i); z = z +1 }
|
||||
}
|
||||
|
||||
val ecc_check = Cat((io.ecc_in(6) ^ w5.asUInt.xorR) ,io.ecc_in(5)^(w5.asUInt.xorR),io.ecc_in(4)^(w4.asUInt.xorR),io.ecc_in(3)^(w3.asUInt.xorR),io.ecc_in(2)^(w2.asUInt.xorR),io.ecc_in(1)^(w1.asUInt.xorR),io.ecc_in(0)^(w0.asUInt.xorR))
|
||||
io.ecc_error := io.en & (ecc_check(6,0) != 0.U)
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue