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-rw-r--r--src/synth/include/synth.h2
-rw-r--r--src/synth/netlists.adb103
-rw-r--r--src/synth/netlists.ads15
3 files changed, 120 insertions, 0 deletions
diff --git a/src/synth/include/synth.h b/src/synth/include/synth.h
index c89eab7fc..fa6b78e2c 100644
--- a/src/synth/include/synth.h
+++ b/src/synth/include/synth.h
@@ -134,6 +134,8 @@ namespace GhdlSynth {
struct Attribute { unsigned int id; };
GHDLSYNTH_ADA_WRAPPER_WW(get_first_attribute, Attribute, Instance);
+ GHDLSYNTH_ADA_WRAPPER_WWD(get_first_input_port_attribute, Attribute, Module, Port_Idx);
+ GHDLSYNTH_ADA_WRAPPER_WWD(get_first_output_port_attribute, Attribute, Module, Port_Idx);
GHDLSYNTH_ADA_WRAPPER_WW(get_attribute_name, Name_Id, Attribute);
GHDLSYNTH_ADA_WRAPPER_DW(get_attribute_type, Param_Type, Attribute);
GHDLSYNTH_ADA_WRAPPER_WW(get_attribute_pval, Pval, Attribute);
diff --git a/src/synth/netlists.adb b/src/synth/netlists.adb
index 31a3321b2..0a0a560ed 100644
--- a/src/synth/netlists.adb
+++ b/src/synth/netlists.adb
@@ -1292,6 +1292,107 @@ package body Netlists is
return Attributes_Table.Table (Attr).Chain;
end Get_Attribute_Next;
+ function Port_Attribute_Hash (Params : Port_Desc_Idx)
+ return Hash_Value_Type is
+ begin
+ return Hash_Value_Type (Params);
+ end Port_Attribute_Hash;
+
+ function Port_Attribute_Build (Params : Port_Desc_Idx)
+ return Port_Desc_Idx is
+ begin
+ return Params;
+ end Port_Attribute_Build;
+
+ function Port_Attribute_Build_Value (Obj : Port_Desc_Idx) return Attribute
+ is
+ pragma Unreferenced (Obj);
+ begin
+ return No_Attribute;
+ end Port_Attribute_Build_Value;
+
+ package Ports_Attribute_Maps is new Dyn_Maps
+ (Params_Type => Port_Desc_Idx,
+ Object_Type => Port_Desc_Idx,
+ Value_Type => Attribute,
+ Hash => Port_Attribute_Hash,
+ Build => Port_Attribute_Build,
+ Build_Value => Port_Attribute_Build_Value,
+ Equal => "=");
+
+ Ports_Attribute_Map : Ports_Attribute_Maps.Instance;
+
+ procedure Set_Port_Attribute
+ (Port : Port_Desc_Idx; Id : Name_Id; Ptype : Param_Type; Pv : Pval)
+ is
+ Attr : Attribute;
+ Idx : Ports_Attribute_Maps.Index_Type;
+ Prev : Attribute;
+ begin
+ Ports_Attribute_Maps.Get_Index (Ports_Attribute_Map, Port, Idx);
+
+ Prev := Ports_Attribute_Maps.Get_Value (Ports_Attribute_Map, Idx);
+ Attributes_Table.Append ((Name => Id,
+ Typ => Ptype,
+ Val => Pv,
+ Chain => Prev));
+ Attr := Attributes_Table.Last;
+
+ Ports_Attribute_Maps.Set_Value (Ports_Attribute_Map, Idx, Attr);
+ end Set_Port_Attribute;
+
+ procedure Set_Input_Port_Attribute (M : Module;
+ Port : Port_Idx;
+ Id : Name_Id;
+ Ptype : Param_Type;
+ Pv : Pval)
+ is
+ Idx : constant Port_Desc_Idx :=
+ Get_Input_First_Desc (M) + Port_Desc_Idx (Port);
+ begin
+ Set_Port_Attribute (Idx, Id, Ptype, Pv);
+ end Set_Input_Port_Attribute;
+
+ procedure Set_Output_Port_Attribute (M : Module;
+ Port : Port_Idx;
+ Id : Name_Id;
+ Ptype : Param_Type;
+ Pv : Pval)
+ is
+ Idx : constant Port_Desc_Idx :=
+ Get_Output_First_Desc (M) + Port_Desc_Idx (Port);
+ begin
+ Set_Port_Attribute (Idx, Id, Ptype, Pv);
+ end Set_Output_Port_Attribute;
+
+ function Get_Port_First_Attribute (Port : Port_Desc_Idx) return Attribute
+ is
+ Idx : Ports_Attribute_Maps.Index_Type;
+ Res : Attribute;
+ begin
+ Ports_Attribute_Maps.Get_Index (Ports_Attribute_Map, Port, Idx);
+ Res := Ports_Attribute_Maps.Get_Value (Ports_Attribute_Map, Idx);
+ return Res;
+ end Get_Port_First_Attribute;
+
+ function Get_First_Input_Port_Attribute (M : Module; Port : Port_Idx)
+ return Attribute
+ is
+ Idx : constant Port_Desc_Idx :=
+ Get_Input_First_Desc (M) + Port_Desc_Idx (Port);
+ begin
+ return Get_Port_First_Attribute (Idx);
+ end Get_First_Input_Port_Attribute;
+
+ function Get_First_Output_Port_Attribute (M : Module; Port : Port_Idx)
+ return Attribute
+ is
+ Idx : constant Port_Desc_Idx :=
+ Get_Output_First_Desc (M) + Port_Desc_Idx (Port);
+ begin
+ return Get_Port_First_Attribute (Idx);
+ end Get_First_Output_Port_Attribute;
+
-- Statistics
function Count_Free_Inputs (Head : Input) return Natural
@@ -1499,4 +1600,6 @@ begin
Val => No_Pval,
Chain => No_Attribute));
pragma Assert (Attributes_Table.Last = No_Attribute);
+
+ Ports_Attribute_Maps.Init (Ports_Attribute_Map);
end Netlists;
diff --git a/src/synth/netlists.ads b/src/synth/netlists.ads
index a516efee4..55afc39be 100644
--- a/src/synth/netlists.ads
+++ b/src/synth/netlists.ads
@@ -332,8 +332,23 @@ package Netlists is
procedure Set_Attribute
(Inst : Instance; Id : Name_Id; Ptype : Param_Type; Pv : Pval);
+ procedure Set_Input_Port_Attribute (M : Module;
+ Port : Port_Idx;
+ Id : Name_Id;
+ Ptype : Param_Type;
+ Pv : Pval);
+ procedure Set_Output_Port_Attribute (M : Module;
+ Port : Port_Idx;
+ Id : Name_Id;
+ Ptype : Param_Type;
+ Pv : Pval);
+
-- Return the first attribute for INST. Returns No_Attribute if none.
function Get_First_Attribute (Inst : Instance) return Attribute;
+ function Get_First_Input_Port_Attribute (M : Module; Port : Port_Idx)
+ return Attribute;
+ function Get_First_Output_Port_Attribute (M : Module; Port : Port_Idx)
+ return Attribute;
-- Get name/type/value of an attribute.
function Get_Attribute_Name (Attr : Attribute) return Name_Id;