diff options
Diffstat (limited to 'src/grt/grt-signals.ads')
| -rw-r--r-- | src/grt/grt-signals.ads | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/src/grt/grt-signals.ads b/src/grt/grt-signals.ads index 36ef69263..e5fbf1944 100644 --- a/src/grt/grt-signals.ads +++ b/src/grt/grt-signals.ads @@ -291,8 +291,8 @@ package Grt.Signals is type Ghdl_Signal is record -- Fields known by the compilers. - Value : Value_Union; - Driving_Value : Value_Union; + Value_Ptr : Ghdl_Value_Ptr; + Driving_Value : aliased Value_Union; Last_Value : Value_Union; Last_Event : Std_Time; Last_Active : Std_Time; @@ -351,6 +351,11 @@ package Grt.Signals is Table_Low_Bound => 0, Table_Initial => 128); + -- Read the value pointed by VALUE_PTR. It cannot be simply deferred as + -- pointer alignment may not be correct. + function Read_Value (Value_Ptr : Ghdl_Value_Ptr; Mode : Mode_Type) + return Value_Union; + -- Elementary propagation computation. -- See LRM 12.6.2 and 12.6.3 type Propagation_Kind_Type is @@ -495,7 +500,7 @@ package Grt.Signals is -- Set the effective value of signal SIG to VAL. -- If the value is different from the previous one, resume processes. - procedure Set_Effective_Value (Sig : Ghdl_Signal_Ptr; Val : Value_Union); + procedure Set_Effective_Value (Sig : Ghdl_Signal_Ptr; Val : Ghdl_Value_Ptr); -- Add PROC in the list of processes to be resumed in case of event on -- SIG. @@ -567,7 +572,7 @@ package Grt.Signals is function Ghdl_Signal_Driving (Sig : Ghdl_Signal_Ptr) return Ghdl_B1; - function Ghdl_Create_Signal_B1 (Init_Val : Ghdl_B1; + function Ghdl_Create_Signal_B1 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -589,7 +594,7 @@ package Grt.Signals is procedure Ghdl_Signal_Force_Effective_B1 (Sig : Ghdl_Signal_Ptr; Val : Ghdl_B1); - function Ghdl_Create_Signal_E8 (Init_Val : Ghdl_E8; + function Ghdl_Create_Signal_E8 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -611,7 +616,7 @@ package Grt.Signals is procedure Ghdl_Signal_Force_Effective_E8 (Sig : Ghdl_Signal_Ptr; Val : Ghdl_E8); - function Ghdl_Create_Signal_E32 (Init_Val : Ghdl_E32; + function Ghdl_Create_Signal_E32 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -629,7 +634,7 @@ package Grt.Signals is function Ghdl_Signal_Driving_Value_E32 (Sig : Ghdl_Signal_Ptr) return Ghdl_E32; - function Ghdl_Create_Signal_I32 (Init_Val : Ghdl_I32; + function Ghdl_Create_Signal_I32 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -647,7 +652,7 @@ package Grt.Signals is function Ghdl_Signal_Driving_Value_I32 (Sig : Ghdl_Signal_Ptr) return Ghdl_I32; - function Ghdl_Create_Signal_I64 (Init_Val : Ghdl_I64; + function Ghdl_Create_Signal_I64 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -665,7 +670,7 @@ package Grt.Signals is function Ghdl_Signal_Driving_Value_I64 (Sig : Ghdl_Signal_Ptr) return Ghdl_I64; - function Ghdl_Create_Signal_F64 (Init_Val : Ghdl_F64; + function Ghdl_Create_Signal_F64 (Val_Ptr : Ghdl_Value_Ptr; Resolv_Func : Resolver_Acc; Resolv_Inst : System.Address) return Ghdl_Signal_Ptr; @@ -738,25 +743,29 @@ package Grt.Signals is -- Create a new 'stable (VAL) signal. The prefixes are set by -- ghdl_signal_attribute_register_prefix. - function Ghdl_Create_Stable_Signal (Val : Std_Time) return Ghdl_Signal_Ptr; + function Ghdl_Create_Stable_Signal + (Val_Ptr : Ghdl_Value_Ptr; Val : Std_Time) return Ghdl_Signal_Ptr; -- Create a new 'quiet (VAL) signal. The prefixes are set by -- ghdl_signal_attribute_register_prefix. - function Ghdl_Create_Quiet_Signal (Val : Std_Time) return Ghdl_Signal_Ptr; + function Ghdl_Create_Quiet_Signal + (Val_Ptr : Ghdl_Value_Ptr; Val : Std_Time) return Ghdl_Signal_Ptr; -- Create a new 'transaction signal. The prefixes are set by -- ghdl_signal_attribute_register_prefix. - function Ghdl_Create_Transaction_Signal return Ghdl_Signal_Ptr; + function Ghdl_Create_Transaction_Signal + (Val_Ptr : Ghdl_Value_Ptr) return Ghdl_Signal_Ptr; - -- Create a new SIG'delayed (VAL) signal. - function Ghdl_Create_Delayed_Signal (Sig : Ghdl_Signal_Ptr; Val : Std_Time) - return Ghdl_Signal_Ptr; + -- Create a new SIG'delayed (VAL) signal (for a scalar signal). + function Ghdl_Create_Delayed_Signal + (Sig : Ghdl_Signal_Ptr; Val_Ptr : Ghdl_Value_Ptr; Val : Std_Time) + return Ghdl_Signal_Ptr; -- Add SIG in the set of prefix for the last created signal. procedure Ghdl_Signal_Attribute_Register_Prefix (Sig : Ghdl_Signal_Ptr); -- Create a new implicitly defined GUARD signal. - function Ghdl_Signal_Create_Guard (This : System.Address; - Proc : Guard_Func_Acc) - return Ghdl_Signal_Ptr; + function Ghdl_Signal_Create_Guard + (Val_Ptr : Ghdl_Value_Ptr; This : System.Address; Proc : Guard_Func_Acc) + return Ghdl_Signal_Ptr; -- Add SIG to the list of referenced signals that appear in the guard -- expression. |