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Factor out delay shim

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This commit is contained in:
Peter Rugg
2023-07-13 16:06:14 +01:00
parent d509ab0fab
commit 5818a886dd
2 changed files with 5 additions and 29 deletions
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2
libs/BlueStuff

Submodule libs/BlueStuff updated: 47f25e0a9c...dbb3ece0de

32
src_SSITH_P3/src_BSV/P3_Core.bsv
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@@ -35,11 +35,10 @@ import GetPut_Aux :: *;
import Routable :: *;
import BlueBasics :: *;
import BlueAXI4 :: *;
import SourceSink :: *;
import WindCoreInterface :: *;
import Semi_FIFOF :: *;
import Cur_Cycle :: *;
import FF :: *;
import AXI4_DelayShim :: *;
// ================================================================
// Project imports
@@ -116,30 +115,6 @@ endinterface
// ================================================================
// XXX Move to BlueStuff when happy
module mkDelayShim #(Bit#(16) delay) (AXI4_Shim#(id_, addr_, data_, awuser_, wuser_, buser_, aruser_, ruser_));
let awff <- mkFIFOF;
let wff <- mkFIFOF;
FF#(AXI4_BFlit#(id_, buser_), 128) bff <- mkUGFFDelay(delay);
FF#(AXI4_ARFlit#(id_, addr_, aruser_), 128) arff <- mkUGFFDelay(delay);
let rff <- mkFIFOF;
interface AXI4_Master master;
interface aw = toSource(awff);
interface w = toSource(wff);
interface b = toSink(bff);
interface ar = toSource(arff);
interface r = toSink(rff);
endinterface
interface AXI4_Slave slave;
interface aw = toSink(awff);
interface w = toSink(wff);
interface b = toSource(bff);
interface ar = toSink(arff);
interface r = toSource(rff);
endinterface
interface clear = error("clear not supported");
endmodule
(* synthesize *)
module mkP3_Core (P3_Core_IFC);
@@ -211,8 +186,9 @@ module mkP3_Core (P3_Core_IFC);
Reg#(Bit#(16)) latencyCycles0 <- mkReg(defaultLatency);
Reg#(Bit#(16)) latencyCycles1 <- mkReg(defaultLatency);
let master_0_delay <- mkDelayShim(latencyCycles0);
let master_1_delay <- mkDelayShim(latencyCycles1);
NumProxy#(128) depthProxy = error("Do not look inside proxy");
let master_0_delay <- mkAXI4_DelayShim(depthProxy, latencyCycles0);
let master_1_delay <- mkAXI4_DelayShim(depthProxy, latencyCycles1);
// Support dynamic changing of latency
let latencyToggleShim <- mkAXI4Shim;