919 lines
37 KiB
Plaintext
919 lines
37 KiB
Plaintext
/*************************************************************************
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*
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* This file is part of ACT dataflow neuro library
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*
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* Copyright (c) 2022 University of Groningen - Ole Richter
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* Copyright (c) 2022 University of Groningen - Michele Mastella
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* Copyright (c) 2022 University of Groningen - Hugh Greatorex
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* Copyright (c) 2022 University of Groningen - Madison Cotteret
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*
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*
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* This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later
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*
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* You may redistribute and modify this documentation and make products
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* using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl).
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* This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY
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* AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2
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* for applicable conditions.
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*
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* Source location: https://git.web.rug.nl/bics/actlib_dataflow_neuro
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*
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* As per CERN-OHL-W v2 section 4.1, should You produce hardware based on
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* these sources, You must maintain the Source Location visible in its
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* documentation.
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*
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**************************************************************************
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*/
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import "../../dataflow_neuro/cell_lib_async.act";
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import "../../dataflow_neuro/cell_lib_std.act";
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import "../../dataflow_neuro/treegates.act";
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// import tmpl::dataflow_neuro;
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// import tmpl::dataflow_neuro;
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import std::channel;
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open std::channel;
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// import std::func;
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namespace tmpl {
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namespace dataflow_neuro {
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// @ole talk to rajit, we use valid the wrong way arround according to stdlib
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template<pbool reset; pint V; pint M>
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defchan gen_avMx1of2 <: chan(int<M>) (std::data::Mx1of2?!<M> d; bool!? a; bool!? v)
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{
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{ 0 <= V & std::ceil_log2(V) < M : "Initial token value out of range" };
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methods {
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/*-- initialize channel, sender end --*/
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send_init {
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[ reset -> (,i:M: [ ((V >> i) & 1) = 0 -> d.d[i].f+ [] else -> d.d[i].t+ ]);[v]
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[] else -> (,i:M: d.d[i].t-,d.d[i].f-);[~v]
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]
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}
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/*-- set output data --*/
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set {
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(,i:M: [((self >> i) & 1) = 0 -> d.d[i].f+ [] else -> d.d[i].t+ ]);[v]
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}
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/*-- finish synchronization --*/
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send_up {
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[a]
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}
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/*-- reset part of the protocol --*/
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send_rest {
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(,i:M: d.d[i].t-,d.d[i].f-);[~v],[~a]
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}
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/*-- initialize channel, receiver end --*/
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recv_init {
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v-;a-
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}
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/*-- get value --*/
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get {
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[(&i:M: d.d[i].t | d.d[i].f)];
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self := 0;
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(;i:M: [ d.d[i].t -> self := self | (1 << i)
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[] else -> skip
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]
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)
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}
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/*-- finish synchronization action --*/
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recv_up {
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v+,a+
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}
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/*-- reset part of the protocol --*/
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recv_rest {
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[(&i:M:~d.d[i].t & ~d.d[i].f)];v-,a-
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}
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/*-- probe expression on receiver --*/
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// i think this deadlocks with recv_up
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recv_probe = v;
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// no sender probe
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}
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}
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export defchan avMx1of2 <: gen_avMx1of2<false,0> () { }
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export defchan avrMx1of2 <: gen_avMx1of2<true,0> () { }
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/**
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* the buffer template gives you a standart buffer of bitwidth N
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*
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*/
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export template<pint N>
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defproc buffer (avMx1of2<N> in; avMx1of2<N> out; bool? reset_B; power supply) {
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//control
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bool _en, _reset_BX,_reset_BXX[N*2];
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A_3C_RB_X4 inack_ctl(.c1=_en,.c2=in.v,.c3=out.v,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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A_1C1P_X1 en_ctl(.c1=in.a,.p1=out.v,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<N*2> reset_bufarray(.in=_reset_BX, .out=_reset_BXX);
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//validity
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bool _in_v;
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vtree<N> vc(.in=in.d,.out=_in_v,.supply=supply);
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BUF_X4 in_v_buf(.a=_in_v, .y=in.v,.vdd=supply.vdd,.vss=supply.vss);
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//function
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bool _out_a_BX[N*2],_out_a_B;
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A_2C1N_RB_X4 f_buf_func[N];
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A_2C1N_RB_X4 t_buf_func[N];
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sigbuf<N*2> en_buf(.in=_en, .supply=supply);
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INV_X1 out_a_inv(.a=out.a,.y=_out_a_B, .vss = supply.vss, .vdd = supply.vdd);
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sigbuf<N*2> out_a_B_buf(.in=_out_a_B,.out=_out_a_BX, .supply = supply);
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// check if you can also do single var to array connect a=b[N]
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// and remove them from the loop
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(i:N:
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f_buf_func[i].y=out.d.d[i].f;
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t_buf_func[i].y=out.d.d[i].t;
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f_buf_func[i].c1=en_buf.out[i];
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t_buf_func[i].c1=en_buf.out[i+N];
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f_buf_func[i].c2=_out_a_BX[i];
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t_buf_func[i].c2=_out_a_BX[i+N];
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f_buf_func[i].n1=in.d.d[i].f;
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t_buf_func[i].n1=in.d.d[i].t;
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f_buf_func[i].vdd=supply.vdd;
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t_buf_func[i].vdd=supply.vdd;
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f_buf_func[i].vss=supply.vss;
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t_buf_func[i].vss=supply.vss;
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t_buf_func[i].pr_B = _reset_BXX[i];
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t_buf_func[i].sr_B = _reset_BXX[i];
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f_buf_func[i].pr_B = _reset_BXX[i+N];
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f_buf_func[i].sr_B = _reset_BXX[i+N];
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)
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}
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// A template creating a FIFO of M buffers with N bits each
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export template<pint N;pint M>
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defproc fifo(avMx1of2<N> in; avMx1of2<N> out; bool? reset_B; power supply)
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{
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buffer<N> fifo_element[M];
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bool _reset_BXX[M];
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fifo_element[0].in = in ;
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fifo_element[0].supply = supply;
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fifo_element[0].reset_B = _reset_BXX[0];
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(i:1..M-1:
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fifo_element[i].in = fifo_element[i-1].out;
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fifo_element[i].supply = supply;
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fifo_element[i].reset_B = _reset_BXX[i];
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)
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fifo_element[M-1].out = out;
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// reset buffers
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bool _reset_BX;
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<M> reset_bufarray(.in=_reset_BX, .out=_reset_BXX,.supply = supply);
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}
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/**
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* Buffer_S template.
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* S maybe stands for special.
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* Like a buffer, except that the output function block does not load the data in
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* until the input data is valid.
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* Not entirely sure what the point of it is,
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* Ole says is useful for funky timing scenarios.
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*/
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export template<pint N>
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defproc buffer_s (avMx1of2<N> in; avMx1of2<N> out; bool? reset_B; power supply) {
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//control
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bool _en, _reset_BX,_reset_BXX[N];
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A_3C_RB_X4 inack_ctl(.c1=_en,.c2=in.v,.c3=out.v,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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A_1C1P_X1 en_ctl(.c1=in.a,.p1=out.v,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<N> reset_bufarray(.in=_reset_BX, .out=_reset_BXX, .supply=supply);
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//validity
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bool _in_v;
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vtree<N> vc(.in=in.d,.out=_in_v,.supply=supply);
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BUF_X4 in_v_buf4(.a=_in_v, .y=in.v,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<N*2> in_v_bufN(.in = in.v, .supply = supply);
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//function
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bool _out_a_B;
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A_2C2N_RB_X4 f_buf_func[N];
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A_2C2N_RB_X4 t_buf_func[N];
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sigbuf<N*2> en_buf(.in=_en, .supply=supply);
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INV_X1 out_a_inv(.a=out.a,.y=_out_a_B, .vss = supply.vss, .vdd = supply.vdd);
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sigbuf<N*2> out_a_B_buf(.in=_out_a_B, .supply=supply);
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// check if you can also do single var to array connect a=b[N]
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// and remove them from the loop
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(i:N:
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f_buf_func[i].y=out.d.d[i].f;
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t_buf_func[i].y=out.d.d[i].t;
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f_buf_func[i].c1=en_buf.out[i];
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t_buf_func[i].c1=en_buf.out[i+N];
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f_buf_func[i].c2=out_a_B_buf.out[i];
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t_buf_func[i].c2=out_a_B_buf.out[i+N];
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f_buf_func[i].n1=in.d.d[i].f;
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t_buf_func[i].n1=in.d.d[i].t;
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f_buf_func[i].n2=in_v_bufN.out[i];
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t_buf_func[i].n2=in_v_bufN.out[i+N];
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f_buf_func[i].vdd=supply.vdd;
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t_buf_func[i].vdd=supply.vdd;
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f_buf_func[i].vss=supply.vss;
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t_buf_func[i].vss=supply.vss;
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t_buf_func[i].pr_B = _reset_BXX[i];
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t_buf_func[i].sr_B = _reset_BXX[i];
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f_buf_func[i].pr_B = _reset_BXX[i];
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f_buf_func[i].sr_B = _reset_BXX[i];
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)
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}
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// Note that in token false/0 is send on out1, true/1 is send on out2.
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// test
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export template<pint N>
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defproc demux (avMx1of2<N> in; avMx1of2<N> out1; avMx1of2<N> out2; bool? reset_B; avMx1of2<1> cond; power supply) {
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//control
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bool _en, _reset_BX,_reset_BXX[2*N], _out_v, _in_c_v_;
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OR2_X1 out_or(.a=out1.v, .b=out2.v, .y=_out_v,.vdd=supply.vdd,.vss=supply.vss);
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A_3C_RB_X4 inack_ctl(.c1=_en,.c2=_in_c_v_,.c3=_out_v,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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cond.a = in.a; // @TODO THIS SHOULD BE IMPROVED UPON IN FUTURE VERSIONS
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// actually it might be fine
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cond.v = _in_c_v_;
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A_1C1P_X1 en_ctl(.c1=in.a,.p1=_out_v,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<2*N> reset_bufarray(.in=_reset_BX, .out=_reset_BXX);
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//validity
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bool _in_v, _c_f_buf[N], _c_t_buf[N], _c_v;
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sigbuf<N> c_buf_t(.in=cond.d.d[0].t, .out=_c_t_buf, .supply=supply);
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sigbuf<N> c_buf_f(.in=cond.d.d[0].f, .out=_c_f_buf, .supply=supply);
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OR2_X1 c_f_c_t_or(.a=cond.d.d[0].t, .b=cond.d.d[0].f, .y=_c_v,.vdd=supply.vdd,.vss=supply.vss);
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vtree<N> vc(.in=in.d,.out=_in_v,.supply=supply);
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A_2C_B_X1 c_el(.c1=_c_v, .c2=_in_v, .y=_in_c_v_,.vdd=supply.vdd,.vss=supply.vss);
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BUF_X4 in_v_buf(.a=_in_v, .y=in.v,.vdd=supply.vdd,.vss=supply.vss);
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//function
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//func buffer out1
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bool _out1_a_B;
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A_2C2N_RB_X4 out1_f_buf_func[N];
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A_2C2N_RB_X4 out1_t_buf_func[N];
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sigbuf<N*4> out_en_buf(.in=_en, .supply=supply);
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INV_X1 out1_a_inv(.a=out1.a,.y=_out1_a_B, .vdd = supply.vdd, .vss = supply.vss);
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sigbuf<N*2> out1_a_B_buf(.in=_out1_a_B, .supply=supply);
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(i:N:
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out1_f_buf_func[i].y=out1.d.d[i].f;
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out1_t_buf_func[i].y=out1.d.d[i].t;
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out1_f_buf_func[i].c1=out_en_buf.out[i];
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out1_t_buf_func[i].c1=out_en_buf.out[i+N];
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out1_f_buf_func[i].c2=out1_a_B_buf.out[i];
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out1_t_buf_func[i].c2=out1_a_B_buf.out[i+N];
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out1_f_buf_func[i].n1=in.d.d[i].f;
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out1_t_buf_func[i].n1=in.d.d[i].t;
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out1_f_buf_func[i].vdd=supply.vdd;
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out1_t_buf_func[i].vdd=supply.vdd;
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out1_f_buf_func[i].vss=supply.vss;
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out1_t_buf_func[i].vss=supply.vss;
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out1_t_buf_func[i].pr_B = _reset_BXX[i];
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out1_t_buf_func[i].sr_B = _reset_BXX[i];
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out1_f_buf_func[i].pr_B = _reset_BXX[i];
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out1_f_buf_func[i].sr_B = _reset_BXX[i];
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out1_f_buf_func[i].n2=_c_f_buf[i];
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out1_t_buf_func[i].n2=_c_f_buf[i];
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)
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//func buffer out2
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bool _out2_a_B;
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A_2C2N_RB_X4 out2_f_buf_func[N];
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A_2C2N_RB_X4 out2_t_buf_func[N];
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// sigbuf<N*2> out2_en_buf(.in=_en, .supply=supply);
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INV_X1 out2_a_inv(.a=out2.a,.y=_out2_a_B, .vdd = supply.vdd, .vss = supply.vss);
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sigbuf<N*2> out2_a_B_buf(.in=_out2_a_B);
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(i:N:
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out2_f_buf_func[i].y=out2.d.d[i].f;
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out2_t_buf_func[i].y=out2.d.d[i].t;
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out2_f_buf_func[i].c1=out_en_buf.out[i+2*N];
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out2_t_buf_func[i].c1=out_en_buf.out[i+3*N];
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out2_f_buf_func[i].c2=out2_a_B_buf.out[i];
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out2_t_buf_func[i].c2=out2_a_B_buf.out[i+N];
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out2_f_buf_func[i].n1=in.d.d[i].f;
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out2_t_buf_func[i].n1=in.d.d[i].t;
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out2_f_buf_func[i].vdd=supply.vdd;
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out2_t_buf_func[i].vdd=supply.vdd;
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out2_f_buf_func[i].vss=supply.vss;
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out2_t_buf_func[i].vss=supply.vss;
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out2_t_buf_func[i].pr_B = _reset_BXX[i+N];
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out2_t_buf_func[i].sr_B = _reset_BXX[i+N];
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out2_f_buf_func[i].pr_B = _reset_BXX[i+N];
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out2_f_buf_func[i].sr_B = _reset_BXX[i+N];
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out2_f_buf_func[i].n2=_c_t_buf[i];
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out2_t_buf_func[i].n2=_c_t_buf[i];
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)
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}
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export template<pint N>
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defproc fork (avMx1of2<N> in; avMx1of2<N> out1; avMx1of2<N> out2 ; bool? reset_B; power supply) {
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// control
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bool _en, _reset_BX,_reset_BXX[N*2];
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A_4C_RB_X4 inack_ctl(.c1=_en,.c2=in.v,.c3=out1.v,.c4=out2.v,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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A_1C2P_X1 en_ctl(.c1=in.a,.p1=out1.v,.p2=out2.v,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
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//reset_buffers
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<N*2> reset_bufarray(.in=_reset_BX, .out=_reset_BXX);
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//validity
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bool _in_v;
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vtree<N> vc(.in=in.d,.out=_in_v,.supply=supply);
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BUF_X4 in_v_buf(.a=_in_v, .y=in.v,.vdd=supply.vdd,.vss=supply.vss);
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//function
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//func buffer out1
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bool _out1_a_B;
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A_2C1N_RB_X4 out1_f_buf_func[N];
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A_2C1N_RB_X4 out1_t_buf_func[N];
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sigbuf<N*2> out1_en_buf(.in=_en, .supply=supply);
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INV_X1 out1_a_inv(.a=out1.a,.y=_out1_a_B);
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sigbuf<N*2> out1_a_B_buf(.in=_out1_a_B);
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(i:N:
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|
out1_f_buf_func[i].y=out1.d.d[i].f;
|
|
out1_t_buf_func[i].y=out1.d.d[i].t;
|
|
out1_f_buf_func[i].c1=out1_en_buf.out[i];
|
|
out1_t_buf_func[i].c1=out1_en_buf.out[i+N];
|
|
out1_f_buf_func[i].c2=out1_a_B_buf.out[i];
|
|
out1_t_buf_func[i].c2=out1_a_B_buf.out[i+N];
|
|
out1_f_buf_func[i].n1=in.d.d[i].f;
|
|
out1_t_buf_func[i].n1=in.d.d[i].t;
|
|
out1_f_buf_func[i].vdd=supply.vdd;
|
|
out1_t_buf_func[i].vdd=supply.vdd;
|
|
out1_f_buf_func[i].vss=supply.vss;
|
|
out1_t_buf_func[i].vss=supply.vss;
|
|
out1_t_buf_func[i].pr_B = _reset_BXX[i];
|
|
out1_t_buf_func[i].sr_B = _reset_BXX[i];
|
|
out1_f_buf_func[i].pr_B = _reset_BXX[i];
|
|
out1_f_buf_func[i].sr_B = _reset_BXX[i];
|
|
)
|
|
//func buffer out2
|
|
bool _out2_a_B;
|
|
A_2C1N_RB_X4 out2_f_buf_func[N];
|
|
A_2C1N_RB_X4 out2_t_buf_func[N];
|
|
sigbuf<N*2> out2_en_buf(.in=_en, .supply=supply);
|
|
INV_X1 out2_a_inv(.a=out2.a,.y=_out2_a_B);
|
|
sigbuf<N*2> out2_a_B_buf(.in=_out2_a_B);
|
|
(i:N:
|
|
out2_f_buf_func[i].y=out2.d.d[i].f;
|
|
out2_t_buf_func[i].y=out2.d.d[i].t;
|
|
out2_f_buf_func[i].c1=out2_en_buf.out[i];
|
|
out2_t_buf_func[i].c1=out2_en_buf.out[i+N];
|
|
out2_f_buf_func[i].c2=out2_a_B_buf.out[i];
|
|
out2_t_buf_func[i].c2=out2_a_B_buf.out[i+N];
|
|
out2_f_buf_func[i].n1=in.d.d[i].f;
|
|
out2_t_buf_func[i].n1=in.d.d[i].t;
|
|
out2_f_buf_func[i].vdd=supply.vdd;
|
|
out2_t_buf_func[i].vdd=supply.vdd;
|
|
out2_f_buf_func[i].vss=supply.vss;
|
|
out2_t_buf_func[i].vss=supply.vss;
|
|
out2_t_buf_func[i].pr_B = _reset_BXX[i];
|
|
out2_t_buf_func[i].sr_B = _reset_BXX[i];
|
|
out2_f_buf_func[i].pr_B = _reset_BXX[i];
|
|
out2_f_buf_func[i].sr_B = _reset_BXX[i];
|
|
)
|
|
}
|
|
|
|
// Demux
|
|
export template<pint N; pbool CONDITION_SIGN>
|
|
// @TODO docs
|
|
// also note this is not used in the final texel chip
|
|
defproc demux_td (avMx1of2<N> in; avMx1of2<N> out; a1of1 token; bool? reset_B; avMx1of2<1> cond; power supply) {
|
|
//control
|
|
bool _en, _reset_BX,_reset_BXX[N], _out_v, _in_c_v_, _reset_BXt;
|
|
avMx1of2<N> out1 = out;
|
|
|
|
|
|
OR2_X1 out_or(.a=out1.v, .b=token.r, .y=_out_v,.vdd=supply.vdd,.vss=supply.vss);
|
|
A_3C_RB_X4 inack_ctl(.c1=_en,.c2=_in_c_v_,.c3= _out_v,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
A_1C1P_X1 en_ctl(.c1=in.a,.p1=_out_v,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
|
|
BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
BUF_X1 reset_buf_token(.a=_reset_BX, .y=_reset_BXt,.vdd=supply.vdd,.vss=supply.vss);
|
|
sigbuf<N> reset_bufarray(.in=_reset_BX, .out=_reset_BXX, .supply=supply);
|
|
//validity
|
|
bool _in_v, _c_tk_buf, _c_d_buf[N], _c_v, cond_inv_t, cond_inv_f;
|
|
|
|
|
|
cond.a = in.a;
|
|
cond.v = _c_v;
|
|
|
|
OR2_X1 c_f_c_t_or(.a=cond.d.d[0].t, .b=cond.d.d[0].f, .y=_c_v,.vdd=supply.vdd,.vss=supply.vss);
|
|
|
|
//orientation of condition
|
|
[ CONDITION_SIGN ->
|
|
BUF_X1 c_buf_tk(.a=cond.d.d[0].t, .y=_c_tk_buf, .vss = supply.vss, .vdd = supply.vdd);
|
|
sigbuf<N> c_buf_d(.in=cond.d.d[0].f, .out=_c_d_buf, .supply=supply);
|
|
[] else ->
|
|
|
|
BUF_X1 c_buf_tk(.a=cond.d.d[0].f, .y=_c_tk_buf, .vss = supply.vss, .vdd = supply.vdd);
|
|
sigbuf<N> c_buf_d(.in=cond.d.d[0].t, .out=_c_d_buf, .supply=supply);
|
|
]
|
|
|
|
|
|
vtree<N> vc(.in=in.d,.out=_in_v,.supply=supply);
|
|
|
|
A_2C_B_X1 c_el(.c1=_c_v, .c2=_in_v, .y=_in_c_v_,.vdd=supply.vdd,.vss=supply.vss);
|
|
BUF_X4 in_v_buf(.a=_in_v, .y=in.v,.vdd=supply.vdd,.vss=supply.vss);
|
|
|
|
|
|
//function
|
|
//func buffer out1
|
|
bool _out1_a_B;
|
|
A_2C2N_RB_X4 out1_f_buf_func[N];
|
|
A_2C2N_RB_X4 out1_t_buf_func[N];
|
|
sigbuf<N*2> out1_en_buf(.in=_en, .supply=supply);
|
|
INV_X1 out1_a_inv(.a=out1.a,.y=_out1_a_B, .vss = supply.vss, .vdd = supply.vdd);
|
|
sigbuf<N*2> out1_a_B_buf(.in=_out1_a_B, .supply=supply);
|
|
(i:N:
|
|
out1_f_buf_func[i].y=out1.d.d[i].f;
|
|
out1_t_buf_func[i].y=out1.d.d[i].t;
|
|
out1_f_buf_func[i].c1=out1_en_buf.out[i];
|
|
out1_t_buf_func[i].c1=out1_en_buf.out[i+N];
|
|
out1_f_buf_func[i].c2=out1_a_B_buf.out[i];
|
|
out1_t_buf_func[i].c2=out1_a_B_buf.out[i+N];
|
|
out1_f_buf_func[i].n1=in.d.d[i].f;
|
|
out1_t_buf_func[i].n1=in.d.d[i].t;
|
|
out1_f_buf_func[i].vdd=supply.vdd;
|
|
out1_t_buf_func[i].vdd=supply.vdd;
|
|
out1_f_buf_func[i].vss=supply.vss;
|
|
out1_t_buf_func[i].vss=supply.vss;
|
|
out1_t_buf_func[i].pr_B = _reset_BXX[i];
|
|
out1_t_buf_func[i].sr_B = _reset_BXX[i];
|
|
out1_f_buf_func[i].pr_B = _reset_BXX[i];
|
|
out1_f_buf_func[i].sr_B = _reset_BXX[i];
|
|
out1_f_buf_func[i].n2=_c_d_buf[i];
|
|
out1_t_buf_func[i].n2=_c_d_buf[i];
|
|
)
|
|
|
|
//token out
|
|
|
|
bool token_a_out;
|
|
A_2C2N_RB_X4 token_buf;
|
|
INV_X1 outt_a_inv(.a=token.a,.y=token_a_out, .vss = supply.vss, .vdd = supply.vdd);
|
|
|
|
|
|
token_buf.y = token.r;
|
|
token_buf.c1 = _en;
|
|
token_buf.c2 = token_a_out;
|
|
token_buf.n1 = _c_tk_buf;
|
|
token_buf.n2 = _in_v;
|
|
|
|
token_buf.vdd = supply.vdd;
|
|
token_buf.vss = supply.vss;
|
|
token_buf.pr_B = _reset_BXt;
|
|
token_buf.sr_B = _reset_BXt;
|
|
}
|
|
|
|
/**
|
|
* Drops a packet if condition is met, otherwise passes it on.
|
|
* This is a very lazy implementation, where the cond MUST NOT CHANGE DURING OPERATION.
|
|
* Means that this should be used in a very small set of circumstances.
|
|
*
|
|
* params:
|
|
* N: size of packet
|
|
* CONDITION_DROP: value of cond when packets are dropped.
|
|
*/
|
|
export template<pint N; pbool CONDITION_DROP>
|
|
defproc dropper_static (avMx1of2<N> in; avMx1of2<N> out; bool? cond; power supply) {
|
|
bool _drop, _dropB;
|
|
INV_X1 inv(.a = cond, .vss = supply.vss, .vdd = supply.vdd);
|
|
|
|
[~CONDITION_DROP ->
|
|
_dropB = cond;
|
|
_drop = inv.y;
|
|
[] CONDITION_DROP ->
|
|
_drop = cond;
|
|
_dropB = inv.y;
|
|
]
|
|
|
|
bool _in_vX;
|
|
vtree<N> vt(.in = in.d, .supply = supply);
|
|
BUF_X4 in_v_buf(.a = vt.out, .y = _in_vX, .vss = supply.vss, .vdd = supply.vdd);
|
|
AND2_X1 and2(.a = _drop, .b = _in_vX, .vss = supply.vss, .vdd = supply.vdd);
|
|
OR2_X1 or2(.a = out.a, .b = and2.y, .vss = supply.vss, .vdd = supply.vdd);
|
|
A_2C_B_X1 ack_Cel(.c1 = or2.y, .c2 = _in_vX, .y = in.a);
|
|
// _in_vX = in.v;
|
|
|
|
// Sigbufs
|
|
sigbuf<N*2> sb_dropB(.in = _dropB, .supply = supply);
|
|
sigbuf<N*2+1> sb_in_v(.in = _in_vX, .supply = supply);
|
|
sb_in_v.out[2*N] = in.v;
|
|
|
|
AND3_X1 and_t[N];
|
|
AND3_X1 and_f[N];
|
|
(i:N:
|
|
and_t[i].a = in.d.d[i].t;
|
|
and_f[i].a = in.d.d[i].f;
|
|
|
|
and_t[i].y = out.d.d[i].t;
|
|
and_f[i].y = out.d.d[i].f;
|
|
|
|
and_t[i].b = sb_dropB.out[i];
|
|
and_f[i].b = sb_dropB.out[i+N];
|
|
|
|
and_t[i].c = sb_in_v.out[i];
|
|
and_f[i].c = sb_in_v.out[i+N];
|
|
|
|
and_t[i].vss = supply.vss;
|
|
and_t[i].vdd = supply.vdd;
|
|
)
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
export
|
|
defproc arbiter_handshake(a1of1 in1; a1of1 in2; a1of1 out; power supply)
|
|
{
|
|
bool _y1_arb,_y2_arb;
|
|
|
|
A_2C_B_X1 ack_cell1(.c1 = out.a,.c2 = _y1_arb,.y = in1.a,.vdd = supply.vdd, .vss = supply.vss);
|
|
A_2C_B_X1 ack_cell2(.c1 = out.a,.c2 = _y2_arb,.y = in2.a,.vdd = supply.vdd, .vss = supply.vss);
|
|
OR2_X1 or_cell(.a = _y1_arb, .b = _y2_arb, .y = out.r,.vdd = supply.vdd, .vss = supply.vss);
|
|
ARBITER arbiter(.a = in1.r, .b = in2.r, .c = in2.a, .d = in1.a, .y1 = _y1_arb, .y2 = _y2_arb, .vdd = supply.vdd, .vss = supply.vss);
|
|
|
|
}
|
|
//The buffer_t_valid doesn't work
|
|
// export
|
|
// defproc buffer_t_valid(a1of1 in; a1of1 out; bool? reset_B; power supply)
|
|
// {
|
|
// //control
|
|
// bool _en, _reset_BX;
|
|
// A_3C_RB_X4 inack_ctl(.c1=_en,.c2=in.r,.c3=out.r,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
// A_1C1P_X1 en_ctl(.c1=in.a,.p1=out.r,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
|
|
|
|
// //function
|
|
// bool _out_a_B;
|
|
// INV_X1 inv_outa(.a = out.a,.y=_out_a_B,.vdd = supply.vdd,.vss=supply.vss);
|
|
// A_2C1N_RB_X4 buf_func(.c1 = _en,.c2 = _out_a_B, .n1 = in.r,.y = out.r, .pr_B = _reset_BX, .sr_B = _reset_BX,.vdd = supply.vdd,.vss=supply.vss);
|
|
|
|
|
|
// //reset buffers
|
|
// BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
// }
|
|
|
|
|
|
|
|
export template<pint N>
|
|
defproc merge (avMx1of2<N> in1; avMx1of2<N> in2; avMx1of2<N> out ; bool? reset_B; power supply) {
|
|
|
|
//out acknowledge sigbuffer and inverter
|
|
bool _out_a_B,_out_a_BX[2*N];
|
|
INV_X1 out_a_inverter(.a = out.a, .y = _out_a_B);
|
|
sigbuf<2*N> out_a_buffer(.in = _out_a_B,.out = _out_a_BX,.supply=supply);
|
|
|
|
//control
|
|
bool _in1_a_B,_in2_a_B,_en,_en_X[2*N], _reset_BX,_reset_BXX[2*N];
|
|
bool _in1_arb,_in2_arb,_in1_arb_X[2*N],_in2_arb_X[2*N];
|
|
A_4C_RB_X4 in1ack_ctl(.c1=_in1_arb,.c2=_en,.c3=in1.v,.c4=out.v,.y=in1.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
A_4C_RB_X4 in2ack_ctl(.c1=_in2_arb,.c2=_en,.c3=in2.v,.c4=out.v,.y=in2.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
A_4P1N1N_X1 en_ctl(.p1 = in1.a,.p2=in2.a,.p3=out.a,.p4 = out.v, .na1 = in1.a,.nb1 = in2.a,.y = _en,.vdd=supply.vdd,.vss=supply.vss);
|
|
sigbuf<2*N> en_buffer(.in = _en,.out = _en_X,.supply=supply);
|
|
INV_X1 in1ack_ctl_inv(.a=in1.a,.y=_in1_a_B,.vdd=supply.vdd,.vss=supply.vss);
|
|
INV_X1 in2ack_ctl_inv(.a=in2.a,.y=_in2_a_B,.vdd=supply.vdd,.vss=supply.vss);
|
|
|
|
//reset_buffers
|
|
BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
sigbuf<N*2> reset_bufarray(.in=_reset_BX, .out=_reset_BXX);
|
|
|
|
//validity
|
|
a1of1 _in1_temp,_in2_temp,_out_temp;
|
|
bool _in1_arb_temp,_in2_arb_temp;
|
|
vtree<N> vc1(.in=in1.d,.out=in1.v,.supply=supply);
|
|
vtree<N> vc2(.in=in2.d,.out=in2.v,.supply=supply);
|
|
arbiter_handshake validity_arb(.in1 = _in1_temp,.in2 = _in2_temp,.out =_out_temp, .supply = supply);
|
|
_in1_temp.r = in1.v;
|
|
_in2_temp.r = in2.v;
|
|
_in1_temp.a = _in1_arb_temp;
|
|
_in2_temp.a = _in2_arb_temp;
|
|
_out_temp.r = _out_temp.a;
|
|
AND2_X1 AND_arb1(.a = _in2_a_B,.b = _in1_arb_temp, .y = _in1_arb);
|
|
AND2_X1 AND_arb2(.a = _in1_a_B,.b = _in2_arb_temp, .y = _in2_arb);
|
|
sigbuf<2*N> arb2function1(.in = _in1_arb,.out = _in1_arb_X,.supply=supply);
|
|
sigbuf<2*N> arb2function2(.in = _in2_arb,.out = _in2_arb_X,.supply=supply);
|
|
|
|
//function
|
|
A_2C2N2N_RB_X1 merge_func_t[N];
|
|
A_2C2N2N_RB_X1 merge_func_f[N];
|
|
(i:N:
|
|
merge_func_t[i].c1 = _en_X[i];
|
|
merge_func_t[i].c2 = _out_a_BX[i];
|
|
merge_func_t[i].na1 = _in1_arb_X[i];
|
|
merge_func_t[i].na2 = in1.d.d[i].t;
|
|
merge_func_t[i].nb1 = _in2_arb_X[i];
|
|
merge_func_t[i].nb2 = in2.d.d[i].t;
|
|
merge_func_t[i].y = out.d.d[i].t;
|
|
merge_func_t[i].vdd=supply.vdd;
|
|
merge_func_t[i].vss=supply.vss;
|
|
merge_func_t[i].pr_B = _reset_BXX[i];
|
|
merge_func_t[i].sr_B = _reset_BXX[i];
|
|
|
|
merge_func_f[i].c1 = _en_X[i+N];
|
|
merge_func_f[i].c2 = _out_a_BX[i+N];
|
|
merge_func_f[i].na1 = _in1_arb_X[i+N];
|
|
merge_func_f[i].na2 = in1.d.d[i].f;
|
|
merge_func_f[i].nb1 = _in2_arb_X[i+N];
|
|
merge_func_f[i].nb2 = in2.d.d[i].f;
|
|
merge_func_f[i].y = out.d.d[i].f;
|
|
merge_func_f[i].vdd=supply.vdd;
|
|
merge_func_f[i].vss=supply.vss;
|
|
merge_func_f[i].pr_B = _reset_BXX[i+N];
|
|
merge_func_f[i].sr_B = _reset_BXX[i+N];
|
|
)
|
|
}
|
|
|
|
export
|
|
defproc buffer_t(a1of1 in; a1of1 out; bool? reset_B; power supply)
|
|
{
|
|
//control
|
|
bool _en, _reset_BX;
|
|
A_2C1N_RB_X4 inack_ctl(.c1=_en,.c2=in.r,.n1=out.r,.y=in.a,.pr_B=_reset_BX,.sr_B=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
A_1C1P_X1 en_ctl(.c1=in.a,.p1=out.r,.y=_en,.vdd=supply.vdd,.vss=supply.vss);
|
|
|
|
//function
|
|
bool _out_a_B;
|
|
INV_X1 inv_outa(.a = out.a,.y=_out_a_B,.vdd = supply.vdd,.vss=supply.vss);
|
|
A_2C1N_RB_X4 buf_func(.c1 = _en,.c2 = _out_a_B, .n1 = in.r,.y = out.r, .pr_B = _reset_BX, .sr_B = _reset_BX,.vdd = supply.vdd,.vss=supply.vss);
|
|
|
|
|
|
//reset buffers
|
|
BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
}
|
|
// A template creating a FIFO of N buffers tokens
|
|
export template<pint N>
|
|
defproc fifo_t(a1of1 in; a1of1 out; bool? reset_B; power supply)
|
|
{
|
|
buffer_t fifo_element[N];
|
|
bool _reset_BXX[N];
|
|
fifo_element[0].in.r = in.r;
|
|
fifo_element[0].in.a = in.a;
|
|
fifo_element[0].supply = supply;
|
|
fifo_element[0].reset_B = _reset_BXX[0];
|
|
(i:1..N-1:
|
|
fifo_element[i].in.r = fifo_element[i-1].out.r;
|
|
fifo_element[i].in.a = fifo_element[i-1].out.a;
|
|
fifo_element[i].supply = supply;
|
|
fifo_element[i].reset_B = _reset_BXX[i];
|
|
)
|
|
fifo_element[N-1].out.r = out.r;
|
|
fifo_element[N-1].out.a = out.a;
|
|
|
|
// reset buffers
|
|
bool _reset_BX;
|
|
BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
|
|
sigbuf<N> reset_bufarray(.in=_reset_BX, .out=_reset_BXX, .supply = supply);
|
|
}
|
|
|
|
// Programmable delay line.
|
|
// N is the number of layers,
|
|
// the longest layer having 2**N DLY elements
|
|
// Circuit for creating delays, there are N delay layers.
|
|
// The block has the parameters:
|
|
// N -> the number is the number of layers with the longest being 2**N elements
|
|
// wl -> word length, length of each word
|
|
// N_dly_cfg -> the number of config bits in the ACK delay line
|
|
// The block has the pins:
|
|
// in -> input data
|
|
// out -> output data
|
|
// s -> bit word with size N that sets delay configuration. int(s) = number of delays
|
|
export template<pint N>
|
|
defproc delayprog (bool! out; bool? in, s[N]; power supply)
|
|
{
|
|
|
|
{ N >= 0 : "What?" };
|
|
{ N < 10 : "Delay prog size is given in 2**N. Given N is ridiculous." };
|
|
|
|
|
|
AND2_X1 and2[N];
|
|
MUX2_X1 mu2[N];
|
|
DLY4_X1 dly[(1<<N) -1];
|
|
|
|
bool _a[N+1]; // Holds the input to each row
|
|
|
|
_a[0] = in;
|
|
|
|
pint i_delay;
|
|
i_delay = 0; // Index of the last connected delay element
|
|
|
|
(i:0..N-1:
|
|
// For each row
|
|
and2[i].a = _a[i];
|
|
and2[i].b = s[i];
|
|
|
|
// Delays
|
|
dly[i_delay].a = and2[i].y;
|
|
i_delay = i_delay + 1;
|
|
(j:1..(1<<i)-1:
|
|
dly[i_delay].a = dly[i_delay-1].y;
|
|
i_delay = i_delay +1;
|
|
)
|
|
|
|
// Mux
|
|
mu2[i].a = _a[i];
|
|
mu2[i].s = s[i];
|
|
dly[i_delay-1].y = mu2[i].b;
|
|
_a[i+1] = mu2[i].y;
|
|
)
|
|
|
|
out = mu2[N-1].y;
|
|
|
|
|
|
// Connect everything to vdd/gnd
|
|
(i:N:and2[i].vdd = supply.vdd;)
|
|
(i:N:mu2[i].vdd = supply.vdd;)
|
|
(i:((1<<N)-1):dly[i].vdd = supply.vdd;)
|
|
|
|
(i:N:and2[i].vss = supply.vss;)
|
|
(i:N:mu2[i].vss = supply.vss;)
|
|
(i:((1<<N)-1):dly[i].vss = supply.vss;)
|
|
}
|
|
|
|
// Non programmable delays
|
|
// N is number of delays to have in series (not log!!).
|
|
// Is useful for testing purposes.
|
|
// But should probably remove before running innovus etc.
|
|
export template<pint N>
|
|
defproc delay_chain (bool out; bool in; power supply) {
|
|
{ N >= 0 : "What?" };
|
|
[N >= 1 ->
|
|
DLY4_X1 dly[N];
|
|
|
|
dly[0].vdd = supply.vdd;
|
|
dly[0].vss = supply.vss;
|
|
dly[0].a = in;
|
|
|
|
(i:1..N-1:
|
|
dly[i].vdd = supply.vdd;
|
|
dly[i].vss = supply.vss;
|
|
dly[i].a = dly[i-1].y;
|
|
)
|
|
|
|
dly[N-1].vdd = supply.vdd;
|
|
dly[N-1].vss = supply.vss;
|
|
dly[N-1].y = out;
|
|
[] N = 0 ->
|
|
in = out;
|
|
]
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Appends a hard-coded word "VAL" to an input.
|
|
* Works by piping through all sigs, but adding
|
|
* some extra sigs when the input is valid.
|
|
* N is size of channel to pipe through.
|
|
* NVAL is size of word to be put on output.
|
|
* VAL is word to be put on output.
|
|
* Output looks like
|
|
* 0..............N........N+NVAL-1
|
|
* --input_data----LSB....MSB
|
|
*
|
|
*/
|
|
export template<pint N, NVAL, VAL>
|
|
defproc append (avMx1of2<N> in; avMx1of2<N+NVAL> out; power supply)
|
|
{
|
|
{ N >= 0 : "What?" };
|
|
{ NVAL >= 0 : "What?" };
|
|
{ VAL < 1<<NVAL : "VAL too big!" };
|
|
|
|
// valid tree
|
|
vtree<N> in_val(.supply = supply);
|
|
(i:N:
|
|
in_val.in.d[i].t = in.d.d[i].t;
|
|
in_val.in.d[i].f = in.d.d[i].f;
|
|
)
|
|
|
|
// wire through most signals
|
|
(i:N:
|
|
in.d.d[i].t = out.d.d[i].t;
|
|
in.d.d[i].f = out.d.d[i].f;
|
|
)
|
|
in.a = out.a;
|
|
in.v = out.v;
|
|
|
|
// appender
|
|
pint bitval;
|
|
sigbuf<NVAL> sb(.in = in_val.out, .supply = supply);
|
|
TIELO_X1 tielows[NVAL];
|
|
(i:NVAL:tielows[i].vss = supply.vss; tielows[i].vdd = supply.vdd;)
|
|
(i:0..NVAL-1:
|
|
bitval = (VAL & ( 1 << i )) >> i;
|
|
[ bitval = 1 ->
|
|
out.d.d[i+N].t = sb.out[i];
|
|
out.d.d[i+N].f = tielows[i].y;
|
|
[] bitval = 0 ->
|
|
out.d.d[i+N].f = sb.out[i];
|
|
out.d.d[i+N].t = tielows[i].y;
|
|
[] bitval >= 2 -> {false : "fuck"};
|
|
]
|
|
)
|
|
|
|
}
|
|
/**
|
|
* Drops bits. Slices lines. Crop in. Enhance.
|
|
* Useful if say, have an 8 bit packet coming in, but
|
|
* receiver only needs 3 of them.
|
|
* KEEPS all bits between the two bounds.
|
|
* e.g. drop_lines(8, 0, 3) would keep lines [0,1,2]
|
|
**/
|
|
export template<pint N, N0, N1>
|
|
defproc slice_data(avMx1of2<N> in; avMx1of2<std::min(N1,N)-std::max(N0,0)> out; power supply) {
|
|
// {N0 >= 0 : "N0 can be minimum 0!"};
|
|
// {N1 <= N : "N1 can be maximum N"};
|
|
|
|
pint _N1, _N0;
|
|
|
|
_N1 = std::min(N1,N);
|
|
_N0 = std::max(N0,0);
|
|
|
|
[_N0 = 0 & _N1 = N ->
|
|
in = out;
|
|
[] _N0 != 0 | _N1 != N ->
|
|
|
|
vtree<N> in_vt(.in = in.d, .out = in.v, .supply = supply);
|
|
(i:_N1-_N0:
|
|
in.d.d[i + _N0] = out.d.d[i];
|
|
)
|
|
|
|
// in.a = out.a;
|
|
|
|
A_2C_B_X1 Cel(.c1 = out.a, .c2 =in.v, .y = in.a, .vss = supply.vss, .vdd = supply.vdd);
|
|
|
|
]
|
|
|
|
|
|
|
|
}
|
|
|
|
// this is a wrapper for the demux, such that the condition bit is absorbed into the data
|
|
// and demux msb is just defaulting it to the msb
|
|
export template<pint N; pint CONDITION_BIT>
|
|
defproc demux_bit (avMx1of2<N+1> in; avMx1of2<N> out1; avMx1of2<N> out2; bool? reset_B; power supply)
|
|
{
|
|
demux<N> demux(.reset_B = reset_B, .out1=out1, .out2=out2);
|
|
|
|
in.d.d[CONDITION_BIT].f = demux.cond.d.d[0].f;
|
|
in.d.d[CONDITION_BIT].t = demux.cond.d.d[0].t;
|
|
|
|
A_2C_B_X1 val_Cel(.c1 = demux.in.v, .c2 = demux.cond.v, .y = in.v,
|
|
.vdd = supply.vdd, .vss = supply.vss);
|
|
|
|
// Not actually needed bc the current version of demux
|
|
// Something like below should be added once the handshakes are properly decoupled.
|
|
// wires the data and cond ack lines together anyway.
|
|
// A_2C_B_X1 ack_Cel(.c1 = demux.in.a, .c2 = demux.cond.a, .y = in.a,
|
|
// .vdd = supply.vdd, .vss = supply.vss);
|
|
|
|
// in.v = demux.in.v;
|
|
in.a = demux.in.a;
|
|
|
|
(i:0..CONDITION_BIT-1:
|
|
in.d.d[i].f = demux.in.d.d[i].f;
|
|
in.d.d[i].t = demux.in.d.d[i].t;)
|
|
|
|
(i:CONDITION_BIT+1..N:
|
|
in.d.d[i].f = demux.in.d.d[i-1].f;
|
|
in.d.d[i].t = demux.in.d.d[i-1].t;)
|
|
|
|
}
|
|
|
|
export template<pint N>
|
|
defproc demux_bit_msb (avMx1of2<N+1> in; avMx1of2<N> out1; avMx1of2<N> out2; bool? reset_B; power supply)
|
|
{
|
|
demux_bit<N,N> demux(.in = in, .out1 = out1, .out2 = out2, .reset_B = reset_B, .out1=out1, .out2=out2);
|
|
}
|
|
|
|
/**
|
|
* Create M sigbufs to buffer an M bool array to N strength.
|
|
* Done lazily.
|
|
**/
|
|
export template<pint M, N>
|
|
defproc sigbuf_boolarray(bool? in[M]; bool! out[M]; power supply) {
|
|
sigbuf<N> sb[M];
|
|
(i:M:
|
|
sb[i].in = in[i];
|
|
sb[i].out[0] = out[i];
|
|
sb[i].supply = supply;
|
|
)
|
|
|
|
}
|
|
|
|
|
|
}}
|