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| author | Tristan Gingold <tgingold@free.fr> | 2020-03-22 08:21:04 +0100 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2020-03-22 08:21:36 +0100 |
| commit | e3bac06b441a7e5b95b0a0f662c5e0fce8f57d3c (patch) | |
| tree | b9e6def1e57a6380aee8662d7db41d370874aff2 /src/synth/netlists-builders.adb | |
| parent | 2eef024e6d1e59778c07e6ccc353c7fb96fb8bc5 (diff) | |
| download | ghdl-e3bac06b441a7e5b95b0a0f662c5e0fce8f57d3c.tar.gz ghdl-e3bac06b441a7e5b95b0a0f662c5e0fce8f57d3c.tar.bz2 ghdl-e3bac06b441a7e5b95b0a0f662c5e0fce8f57d3c.zip | |
netlists: add id_nop gate.
Diffstat (limited to 'src/synth/netlists-builders.adb')
| -rw-r--r-- | src/synth/netlists-builders.adb | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/synth/netlists-builders.adb b/src/synth/netlists-builders.adb index 6262295de..78954af95 100644 --- a/src/synth/netlists-builders.adb +++ b/src/synth/netlists-builders.adb @@ -417,10 +417,8 @@ package body Netlists.Builders is procedure Create_Objects_Module (Ctxt : Context_Acc) is Outputs : Port_Desc_Array (0 .. 0); - Inputs : Port_Desc_Array (0 .. 0); Inputs2 : Port_Desc_Array (0 .. 1); begin - Inputs := (0 => Create_Input ("i")); Inputs2 := (0 => Create_Input ("i"), 1 => Create_Input ("init")); Outputs := (0 => Create_Output ("o")); @@ -428,7 +426,7 @@ package body Netlists.Builders is Ctxt.M_Output := New_User_Module (Ctxt.Design, New_Sname_Artificial (Name_Output, No_Sname), Id_Output, 1, 1, 0); - Set_Ports_Desc (Ctxt.M_Output, Inputs, Outputs); + Set_Ports_Desc (Ctxt.M_Output, Inputs2 (0 .. 0), Outputs); Ctxt.M_Ioutput := New_User_Module (Ctxt.Design, @@ -439,7 +437,7 @@ package body Netlists.Builders is Ctxt.M_Signal := New_User_Module (Ctxt.Design, New_Sname_Artificial (Name_Signal, No_Sname), Id_Signal, 1, 1, 0); - Set_Ports_Desc (Ctxt.M_Signal, Inputs, Outputs); + Set_Ports_Desc (Ctxt.M_Signal, Inputs2 (0 .. 0), Outputs); Ctxt.M_Isignal := New_User_Module (Ctxt.Design, @@ -450,7 +448,12 @@ package body Netlists.Builders is Ctxt.M_Port := New_User_Module (Ctxt.Design, New_Sname_Artificial (Name_Port, No_Sname), Id_Port, 1, 1, 0); - Set_Ports_Desc (Ctxt.M_Port, Inputs, Outputs); + Set_Ports_Desc (Ctxt.M_Port, Inputs2 (0 .. 0), Outputs); + + Ctxt.M_Nop := New_User_Module + (Ctxt.Design, New_Sname_Artificial (Get_Identifier ("nop"), No_Sname), + Id_Nop, 1, 1, 0); + Set_Ports_Desc (Ctxt.M_Nop, Inputs2 (0 .. 0), Outputs); end Create_Objects_Module; procedure Create_Dff_Modules (Ctxt : Context_Acc) @@ -1301,6 +1304,19 @@ package body Netlists.Builders is return O; end Build_Port; + function Build_Nop (Ctxt : Context_Acc; I : Net) return Net + is + Wd : constant Width := Get_Width (I); + Inst : Instance; + O : Net; + begin + Inst := New_Internal_Instance (Ctxt, Ctxt.M_Nop); + Connect (Get_Input (Inst, 0), I); + O := Get_Output (Inst, 0); + Set_Width (O, Wd); + return O; + end Build_Nop; + function Build_Dff (Ctxt : Context_Acc; Clk : Net; D : Net) return Net @@ -1522,5 +1538,4 @@ package body Netlists.Builders is Set_Width (O, W); return O; end Build_Formal_Input; - end Netlists.Builders; |