public virtual string TransformText()
{
this.GenerationEnvironment = null;
#line 9 ""
this.Write(@"library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
-- library SYSTEM_TYPES;
use work.SYSTEM_TYPES.ALL;
-- library CUSTOM_TYPES;
use work.CUSTOM_TYPES.ALL;
-- User defined packages here
-- #### USER-DATA-IMPORTS-START
-- #### USER-DATA-IMPORTS-END
entity ");
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#line 23 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Network.Name));
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#line 23 ""
this.Write(" is\n port(\n\n");
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#line 26 ""
var feedbacks = RS.FeedbackBusses.ToArray();
var processes = Network.Processes.Where(x => !x.IsSimulation).ToArray();
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this.Write("\n");
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#line 31 ""
foreach (var bus in Network.Busses.Where(x => x.IsTopLevelInput || x.IsTopLevelOutput))
{
var signaltype = "inout";
if (bus.IsTopLevelInput && !bus.IsTopLevelOutput)
{
signaltype = "in";
}
else if (bus.IsTopLevelOutput && !bus.IsTopLevelInput)
{
signaltype = "out";
}
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this.Write(" -- Top-level bus ");
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this.Write(this.ToStringHelper.ToStringWithCulture(bus.Name));
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this.Write(" signals\n");
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foreach (var signal in bus.Signals)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(bus.InstanceName + "_" + signal.Name)));
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this.Write(": ");
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this.Write(this.ToStringHelper.ToStringWithCulture(signaltype));
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(RS.VHDLWrappedTypeName(signal)));
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this.Write(";\n");
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}
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this.Write("\n");
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}
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this.Write("\n");
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foreach (var bus in Network.Busses.Where(x => !(x.IsTopLevelInput || x.IsTopLevelOutput || x.IsInternal)))
{
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this.Write(" -- Interconnection bus ");
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this.Write(this.ToStringHelper.ToStringWithCulture(bus.Name));
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this.Write(" signals\n");
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foreach (var signal in bus.Signals)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(bus.InstanceName + "_" + signal.Name)));
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this.Write(": inout ");
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this.Write(this.ToStringHelper.ToStringWithCulture(RS.VHDLWrappedTypeName(signal)));
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#line 49 ""
this.Write(";\n");
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#line 50 ""
}
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}
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this.Write(@"
-- User defined signals here
-- #### USER-DATA-ENTITYSIGNALS-START
-- #### USER-DATA-ENTITYSIGNALS-END
-- Enable signal
ENB : in Std_logic;
-- Finished signal
FIN : out Std_logic;
-- Reset signal
RST : in Std_logic;
-- Clock signal
CLK : in Std_logic
);
end ");
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#line 69 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Network.Name));
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#line 69 ""
this.Write(";\n\narchitecture RTL of ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Network.Name));
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this.Write(" is \n -- User defined signals here\n -- #### USER-DATA-SIGNALS-START\n -- #### " +
"USER-DATA-SIGNALS-END\n\n");
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if (feedbacks.Any())
{
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this.Write(" -- Feedback signals\n");
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foreach (var signal in feedbacks.SelectMany(x => x.Signals))
{
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this.Write(" signal ");
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#line 79 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("current_" + (signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
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this.Write(", ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("next_" + (signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
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this.Write(": ");
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this.Write(this.ToStringHelper.ToStringWithCulture(RS.VHDLWrappedTypeName(signal)));
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this.Write(";\n");
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#line 80 ""
}
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#line 81 ""
}
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this.Write("\n -- Process ready triggers\n");
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foreach (var p in processes)
{
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this.Write("\n signal ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + p.InstanceName)));
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#line 86 ""
this.Write(this.ToStringHelper.ToStringWithCulture(p.IsClocked ? string.Empty : ", " + Naming.ToValidName("RDY_" + p.InstanceName)));
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this.Write(" : std_logic;\n");
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}
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this.Write("\n\n\n\n -- The primary ready driver signal\n signal RDY : std_logic;\n\nbegin\n\n");
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foreach (var p in processes)
{
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this.Write("\n -- Entity ");
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this.Write(this.ToStringHelper.ToStringWithCulture(p.InstanceName));
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this.Write(" signals\n ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(p.InstanceName)));
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this.Write(": entity work.");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(p.Name)));
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this.Write("\n");
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var lastel = p.SharedVariables.Cast <object>().Concat(p.SharedSignals).LastOrDefault();
if (lastel != null)
{
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this.Write(" generic map(\n");
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foreach (var variable in p.SharedVariables)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("reset_" + variable.Name)));
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this.Write(" => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(RS.GetResetExpression(variable)));
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this.Write(this.ToStringHelper.ToStringWithCulture(variable == lastel ? "" : ","));
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this.Write("\n");
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}
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foreach (var variable in p.SharedSignals)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("reset_" + variable.Name)));
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this.Write(" => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(RS.GetResetExpression(variable)));
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#line 109 ""
this.Write(this.ToStringHelper.ToStringWithCulture(variable == lastel ? "" : ","));
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this.Write("\n");
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}
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this.Write(" )\n");
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}
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this.Write(" port map (\n");
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foreach (var bus in p.InputBusses.Union(p.OutputBusses))
{
var isInput = p.InputBusses.Contains(bus);
var isOutput = p.OutputBusses.Contains(bus);
var isBoth = isInput && isOutput;
var type = "Input/Output";
if (isInput && !isOutput)
{
type = "Input";
}
else if (isOutput && !isInput)
{
type = "Output";
}
var output_prefix = string.Empty;
var input_prefix = string.Empty;
if (feedbacks.Contains(bus))
{
input_prefix = output_prefix = "current_";
}
var busname = RS.GetLocalBusName(bus, p);
var signals = bus.Signals.AsEnumerable();
if (isOutput && !isBoth)
{
signals = RS.WrittenSignals(p, bus);
}
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this.Write(" -- ");
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this.Write(this.ToStringHelper.ToStringWithCulture(type));
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this.Write(" bus ");
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this.Write(this.ToStringHelper.ToStringWithCulture(bus.Name));
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this.Write("\n");
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foreach (var signal in signals)
{
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if (isInput || isBoth)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(busname + "_" + signal.Name)));
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this.Write(" => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(input_prefix + bus.InstanceName + "_" + signal.Name)));
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this.Write(",\n");
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#line 139 ""
}
else
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(busname + "_" + signal.Name)));
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this.Write(" => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName(output_prefix + bus.InstanceName + "_" + signal.Name)));
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this.Write(",\n");
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}
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}
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this.Write("\n");
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if (isBoth)
{
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foreach (var signal in bus.Signals)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("out_" + busname + "_" + signal.Name)));
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this.Write(" => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("next_" + bus.InstanceName + "_" + signal.Name)));
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this.Write(",\n");
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}
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#line 148 ""
}
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this.Write("\n");
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#line 150 ""
}
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this.Write("\n CLK => CLK,\n RDY => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(p.IsClocked ? "RDY" : Naming.ToValidName("RDY_" + p.InstanceName)));
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this.Write(",\n FIN => ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + p.InstanceName)));
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this.Write(",\n ENB => ENB,\n RST => RST\n );\n\n");
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#line 159 ""
}
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this.Write("\n -- Connect ready signals\n");
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foreach (var p in processes)
{
var parents = RS.DependsOn(p).Select(x => x.InstanceName).Distinct().ToArray();
if (parents.Length == 0)
{
if (!p.IsClocked)
{
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this.Write(" ");
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#line 166 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("RDY_" + p.InstanceName)));
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this.Write(" <= RDY;\n");
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#line 167 ""
}
}
else if (parents.Length == 1)
{
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this.Write(" ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("RDY_" + p.InstanceName)));
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this.Write(" <= ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + parents.First())));
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this.Write(";\n");
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#line 170 ""
}
else
{
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this.Write(" -- Setup the RDY signal for ");
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this.Write(this.ToStringHelper.ToStringWithCulture(p.InstanceName));
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this.Write("\n process(\n ");
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this.Write(this.ToStringHelper.ToStringWithCulture(string.Join(", " + Environment.NewLine + " ", parents.Select(x => string.Format(Naming.ToValidName("FIN_" + x))))));
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#line 173 ""
this.Write("\n )\n begin\n if ");
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#line 176 ""
this.Write(this.ToStringHelper.ToStringWithCulture(string.Join(" AND ", parents.Skip(1).Select(x => string.Format("{0} = {1}", Naming.ToValidName("FIN_" + parents.First()), Naming.ToValidName("FIN_" + x))))));
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this.Write(" then\n ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("RDY_" + p.InstanceName)));
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#line 177 ""
this.Write(" <= ");
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#line 177 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + parents.First())));
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this.Write(";\n end if;\n end process;\n");
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}
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#line 181 ""
}
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this.Write("\n -- Setup the FIN feedback signals\n");
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if (processes.Length == 1)
{
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this.Write(" FIN <= ");
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this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + processes.First().InstanceName)));
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this.Write(";\n");
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#line 186 ""
}
else
{
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this.Write(" process(\n ");
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this.Write(this.ToStringHelper.ToStringWithCulture(string.Join(", " + Environment.NewLine + " ", processes.Select(x => Naming.ToValidName("FIN_" + x.InstanceName)))));
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this.Write("\n )\n begin\n if ");
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this.Write(this.ToStringHelper.ToStringWithCulture(string.Join(" AND ", processes.Skip(1).Select(x => string.Format("{0} = {1}", Naming.ToValidName("FIN_" + processes.First().InstanceName), Naming.ToValidName("FIN_" + x.InstanceName))))));
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this.Write(" then\n FIN <= ");
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#line 192 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("FIN_" + processes.First().InstanceName)));
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this.Write(";\n end if;\n end process;\n");
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}
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this.Write(@"
-- Propagate all clocked and feedback signals
process(
CLK,
RST)
variable readyflag: std_logic;
begin
if RST = '1' then
RDY <= '0';
readyflag := '1';
elsif rising_edge(CLK) then
if ENB = '1' then
readyflag := not readyflag;
RDY <= readyflag;
");
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if (feedbacks.Any())
{
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this.Write(" -- Forward feedback signals\n");
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foreach (var signal in feedbacks.SelectMany(x => x.Signals))
{
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this.Write(" current_");
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#line 214 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName((signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
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this.Write(" <= next_");
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#line 214 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName((signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
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this.Write(";\n");
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#line 215 ""
}
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}
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this.Write(" end if;\n end if;\n end process;\n\n");
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if (feedbacks.Where(x => x.IsTopLevelOutput).Any())
{
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this.Write(" -- Send feedback outputs to the actual output\n");
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foreach (var signal in feedbacks.Where(x => x.IsTopLevelOutput).SelectMany(x => x.Signals))
{
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this.Write(" ");
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#line 224 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName((signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
#line default
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#line 224 ""
this.Write(" <= ");
#line default
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#line 224 ""
this.Write(this.ToStringHelper.ToStringWithCulture(Naming.ToValidName("next_" + (signal.Parent as AST.Bus).InstanceName + "_" + signal.Name)));
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#line 224 ""
this.Write(";\n");
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#line 225 ""
}
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#line 226 ""
}
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#line 227 ""
this.Write("\n\n-- User defined processes here\n-- #### USER-DATA-CODE-START\n-- #### USER-DATA-C" +
"ODE-END\n\nend RTL;");
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return(this.GenerationEnvironment.ToString());
}
