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-rw-r--r--src/ghdldrv/ghdlsimul.adb1
-rw-r--r--src/simul/simul-vhdl_elab.adb34
-rw-r--r--src/simul/simul-vhdl_elab.ads11
3 files changed, 25 insertions, 21 deletions
diff --git a/src/ghdldrv/ghdlsimul.adb b/src/ghdldrv/ghdlsimul.adb
index fd260b5ec..05dd4f705 100644
--- a/src/ghdldrv/ghdlsimul.adb
+++ b/src/ghdldrv/ghdlsimul.adb
@@ -146,6 +146,7 @@ package body Ghdlsimul is
Simul.Vhdl_Elab.Gather_Processes (Inst);
Simul.Vhdl_Elab.Elab_Processes;
+ Simul.Vhdl_Elab.Compute_Sources;
if Errorout.Nbr_Errors > 0 then
raise Errorout.Compilation_Error;
diff --git a/src/simul/simul-vhdl_elab.adb b/src/simul/simul-vhdl_elab.adb
index 3e5acc3d8..03bd3f863 100644
--- a/src/simul/simul-vhdl_elab.adb
+++ b/src/simul/simul-vhdl_elab.adb
@@ -516,6 +516,7 @@ package body Simul.Vhdl_Elab is
procedure Gather_Process_Drivers
(Inst : Synth_Instance_Acc; Proc : Node; Proc_Idx : Process_Index_Type)
is
+ Prev_Instance_Pool : constant Areapools.Areapool_Acc := Instance_Pool;
Driver_List: Iir_List;
It : List_Iterator;
El : Node;
@@ -534,7 +535,7 @@ package body Simul.Vhdl_Elab is
Next (It);
end loop;
- Instance_Pool := null;
+ Instance_Pool := Prev_Instance_Pool;
Trans_Analyzes.Free_Drivers_List (Driver_List);
end Gather_Process_Drivers;
@@ -542,6 +543,7 @@ package body Simul.Vhdl_Elab is
Proc_Idx : Process_Index_Type;
List : Iir_List)
is
+ Prev_Instance_Pool : constant Areapools.Areapool_Acc := Instance_Pool;
It : List_Iterator;
El : Node;
Sig : Sub_Signal_Type;
@@ -573,7 +575,7 @@ package body Simul.Vhdl_Elab is
Next (It);
end loop;
- Instance_Pool := null;
+ Instance_Pool := Prev_Instance_Pool;
end Gather_Sensitivity;
procedure Gather_Process_Sensitivity
@@ -890,9 +892,8 @@ package body Simul.Vhdl_Elab is
end if;
end;
when Iir_Kinds_Concurrent_Signal_Assignment
- | Iir_Kind_Concurrent_Assertion_Statement
- | Iir_Kind_Concurrent_Procedure_Call_Statement
- | Iir_Kinds_Process_Statement =>
+ | Iir_Kind_Concurrent_Assertion_Statement
+ | Iir_Kind_Concurrent_Procedure_Call_Statement =>
Processes_Table.Append ((Proc => Stmt,
Inst => Inst,
Drivers => No_Driver_Index,
@@ -901,6 +902,13 @@ package body Simul.Vhdl_Elab is
Gather_Process_Drivers (Inst, Stmt, Processes_Table.Last);
pragma Assert (Is_Expr_Pool_Empty);
Gather_Process_Sensitivity (Inst, Stmt, Processes_Table.Last);
+ when Iir_Kinds_Process_Statement =>
+ Processes_Table.Append ((Proc => Stmt,
+ Inst => Inst,
+ Drivers => No_Driver_Index,
+ Sensitivity => No_Sensitivity_Index));
+ -- Do not yet compute drivers or sensitivity as it may depends
+ -- on declarations within the process.
when Iir_Kind_Psl_Default_Clock
| Iir_Kind_Psl_Declaration
| Iir_Kind_Psl_Endpoint_Declaration =>
@@ -1036,7 +1044,10 @@ package body Simul.Vhdl_Elab is
-- For the debugger.
Top_Instance := Top;
+ end Gather_Processes;
+ procedure Compute_Sources is
+ begin
-- Compute total number of sources.
for I in Signals_Table.First .. Signals_Table.Last loop
declare
@@ -1073,7 +1084,7 @@ package body Simul.Vhdl_Elab is
end if;
end;
end loop;
- end Gather_Processes;
+ end Compute_Sources;
procedure Elab_Processes
is
@@ -1093,13 +1104,14 @@ package body Simul.Vhdl_Elab is
Synth.Vhdl_Decls.Synth_Declarations
(Proc_Inst, Get_Declaration_Chain (Proc), True);
exit when Is_Error (Proc_Inst);
+
+ pragma Assert (Is_Expr_Pool_Empty);
+ Gather_Process_Drivers (Proc_Inst, Proc, I);
+ pragma Assert (Is_Expr_Pool_Empty);
+ Gather_Process_Sensitivity (Proc_Inst, Proc, I);
+
end if;
end loop;
Instance_Pool := null;
end Elab_Processes;
-
- procedure Elab_Drivers is
- begin
- null;
- end Elab_Drivers;
end Simul.Vhdl_Elab;
diff --git a/src/simul/simul-vhdl_elab.ads b/src/simul/simul-vhdl_elab.ads
index 9a0554a00..32ded4a8d 100644
--- a/src/simul/simul-vhdl_elab.ads
+++ b/src/simul/simul-vhdl_elab.ads
@@ -31,21 +31,12 @@ with Elab.Vhdl_Context; use Elab.Vhdl_Context;
package Simul.Vhdl_Elab is
procedure Gather_Processes (Top : Synth_Instance_Acc);
+ procedure Compute_Sources;
procedure Elab_Processes;
-- For the debugger.
Top_Instance : Synth_Instance_Acc;
- -- For each signals:
- -- * drivers (process + area), sources
- -- * sensitivity
- -- * waveform assignments
- -- * decomposition level: none, vectors, full.
- -- * force/release
- -- * need to track activity
- -- * need to track events
- procedure Elab_Drivers;
-
-- Change the meaning of W (width) in T for simulation.
procedure Convert_Type_Width (T : Type_Acc);