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author | gingold | 2006-08-06 06:45:40 +0000 |
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committer | gingold | 2006-08-06 06:45:40 +0000 |
commit | 63925c8de8d3171e6b258796e4d167524691490a (patch) | |
tree | a8e7971f5889da0b7bba2cd7f9624c704d0145df /translate/grt/grt-vpi.adb | |
parent | 3841c37a946481815c89928ccd15b71b608aa526 (diff) | |
download | ghdl-63925c8de8d3171e6b258796e4d167524691490a.tar.gz ghdl-63925c8de8d3171e6b258796e4d167524691490a.tar.bz2 ghdl-63925c8de8d3171e6b258796e4d167524691490a.zip |
bugs fixed
Diffstat (limited to 'translate/grt/grt-vpi.adb')
-rw-r--r-- | translate/grt/grt-vpi.adb | 199 |
1 files changed, 183 insertions, 16 deletions
diff --git a/translate/grt/grt-vpi.adb b/translate/grt/grt-vpi.adb index f811306..f2c30b6 100644 --- a/translate/grt/grt-vpi.adb +++ b/translate/grt/grt-vpi.adb @@ -507,6 +507,189 @@ package body Grt.Vpi is end vpi_get_value; ------------------------------------------------------------------------ + -- void vpiHandle vpi_put_value(vpiHandle obj, p_vpi_value value, + -- p_vpi_time when, int flags) + -- Alter the simulation value of an object. + -- see IEEE 1364-2001, chapter 27.14, page 675 + -- FIXME + + procedure ii_vpi_put_value_bin_str_B2 (SigPtr : Ghdl_Signal_Ptr; + Value : Character) + is + Tempval : Value_Union; + begin + -- use the Set_Effective_Value procedure to update the signal + case Value is + when '0' => + Tempval.B2 := false; + when '1' => + Tempval.B2 := true; + when others => + dbgPut_Line("ii_vpi_put_value_bin_str_B2: " + & "wrong character - signal wont be set"); + return; + end case; + SigPtr.Driving_Value := Tempval; + Set_Effective_Value (SigPtr, Tempval); + end ii_vpi_put_value_bin_str_B2; + + procedure ii_vpi_put_value_bin_str_E8 (SigPtr : Ghdl_Signal_Ptr; + Value : Character) + is + Tempval : Value_Union; + begin + case Value is + when 'U' => + Tempval.E8 := 0; + when 'X' => + Tempval.E8 := 1; + when '0' => + Tempval.E8 := 2; + when '1' => + Tempval.E8 := 3; + when 'Z' => + Tempval.E8 := 4; + when 'W' => + Tempval.E8 := 5; + when 'L' => + Tempval.E8 := 6; + when 'H' => + Tempval.E8 := 7; + when '-' => + Tempval.E8 := 8; + when others => + dbgPut_Line("ii_vpi_put_value_bin_str_B8: " + & "wrong character - signal wont be set"); + return; + end case; + SigPtr.Driving_Value := Tempval; + Set_Effective_Value (SigPtr, Tempval); + end ii_vpi_put_value_bin_str_E8; + + + procedure ii_vpi_put_value_bin_str(Obj : VhpiHandleT; + ValueStr : Ghdl_C_String) + is + Info : Verilog_Wire_Info; + Len : Ghdl_Index_Type; + begin + -- Check the Obj type. + -- * The vpiHandle has a reference (field Ref) to a VhpiHandleT + -- when it doesnt come from a callback. + case Vhpi_Get_Kind(Obj) is + when VhpiPortDeclK + | VhpiSigDeclK => + null; + when others => + return; + end case; + + -- The following code segment was copied from the + -- ii_vpi_get_value function. + -- Get verilog compat info. + Get_Verilog_Wire (Obj, Info); + if Info.Kind = Vcd_Bad then + return; + end if; + + if Info.Irange = null then + Len := 1; + else + Len := Info.Irange.I32.Len; + end if; + + -- Step 1: convert vpi object to internal format. + -- p_vpi_handle -> Ghdl_Signal_Ptr + -- To_Signal_Arr_Ptr (Info.Addr) does part of the magic + + -- Step 2: convert datum to appropriate type. + -- Ghdl_C_String -> Value_Union + + -- Step 3: assigns value to object using Set_Effective_Value + -- call (from grt-signals) + -- Set_Effective_Value(sig_ptr, conv_value); + + + -- Took the skeleton from ii_vpi_get_value function + -- This point of the function must convert the string value to the + -- native ghdl format. + case Info.Kind is + when Vcd_Bad => + return; + when Vcd_Bit + | Vcd_Bool + | Vcd_Bitvector => + for J in 0 .. Len - 1 loop + ii_vpi_put_value_bin_str_B2( + To_Signal_Arr_Ptr(Info.Addr)(J), ValueStr(Integer(J+1))); + end loop; + when Vcd_Stdlogic + | Vcd_Stdlogic_Vector => + for J in 0 .. Len - 1 loop + ii_vpi_put_value_bin_str_E8( + To_Signal_Arr_Ptr(Info.Addr)(J), ValueStr(Integer(J+1))); + end loop; + when Vcd_Integer32 => + null; + end case; + + -- Always return null, because this simulation kernel cannot send + -- a handle to the event back. + return; + end ii_vpi_put_value_bin_str; + + + -- vpiHandle vpi_put_value(vpiHandle obj, p_vpi_value value, + -- p_vpi_time when, int flags) + function vpi_put_value (aObj: vpiHandle; + aValue: p_vpi_value; + aWhen: p_vpi_time; + aFlags: integer) + return vpiHandle + is + pragma Unreferenced (aWhen); + pragma Unreferenced (aFlags); + begin + -- A very simple write procedure for VPI. + -- Basically, it accepts bin_str values and converts to appropriate + -- types (only std_logic and bit values and vectors). + + -- It'll use Set_Effective_Value procedure to update signals + + -- Ignoring aWhen and aFlags, for now. + + -- Checks the format of aValue. Only vpiBinStrVal will be accepted + -- for now. + case aValue.Format is + when vpiObjTypeVal=> + dbgPut_Line ("vpi_put_value: vpiObjTypeVal"); + when vpiBinStrVal=> + ii_vpi_put_value_bin_str(aObj.Ref, aValue.Str); + dbgPut_Line ("vpi_put_value: vpiBinStrVal"); + when vpiOctStrVal=> + dbgPut_Line ("vpi_put_value: vpiNet, vpiOctStrVal"); + when vpiDecStrVal=> + dbgPut_Line ("vpi_put_value: vpiNet, vpiDecStrVal"); + when vpiHexStrVal=> + dbgPut_Line ("vpi_put_value: vpiNet, vpiHexStrVal"); + when vpiScalarVal=> + dbgPut_Line ("vpi_put_value: vpiNet, vpiScalarVal"); + when vpiIntVal=> + dbgPut_Line ("vpi_put_value: vpiIntVal"); + when vpiRealVal=> dbgPut_Line("vpi_put_value: vpiRealVal"); + when vpiStringVal=> dbgPut_Line("vpi_put_value: vpiStringVal"); + when vpiTimeVal=> dbgPut_Line("vpi_put_value: vpiTimeVal"); + when vpiVectorVal=> dbgPut_Line("vpi_put_value: vpiVectorVal"); + when vpiStrengthVal=> dbgPut_Line("vpi_put_value: vpiStrengthVal"); + when others=> dbgPut_Line("vpi_put_value: unknown mFormat"); + end case; + + -- Must return a scheduled event caused by vpi_put_value() + -- Still dont know how to do it. + return null; + end vpi_put_value; + + ------------------------------------------------------------------------ -- void vpi_get_time(vpiHandle obj, s_vpi_time*t); -- see IEEE 1364-2001, page xxx Sim_Time : Std_Time; @@ -631,22 +814,6 @@ package body Grt.Vpi is return 0; end vpi_mcd_open; - -- vpiHandle vpi_put_value(vpiHandle obj, p_vpi_value value, - -- p_vpi_time when, int flags) - function vpi_put_value (aObj: vpiHandle; - aValue: p_vpi_value; - aWhen: p_vpi_time; - aFlags: integer) - return vpiHandle - is - pragma Unreferenced (aObj); - pragma Unreferenced (aValue); - pragma Unreferenced (aWhen); - pragma Unreferenced (aFlags); - begin - return null; - end vpi_put_value; - -- void vpi_register_systf(const struct t_vpi_systf_data*ss) procedure vpi_register_systf(aSs: System.Address) is |