1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
-- API to build a netlist.
-- Copyright (C) 2017 Tristan Gingold
--
-- This file is part of GHDL.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
-- MA 02110-1301, USA.
with Netlists.Gates; use Netlists.Gates;
package Netlists.Builders is
type Context is private;
type Context_Acc is access Context;
function New_Internal_Name (Ctxt : Context_Acc) return Sname;
-- Create a builder for Design. Must be called once.
function Build_Builders (Design : Module) return Context_Acc;
-- Set the parent for the new instances.
procedure Set_Parent (Ctxt : Context_Acc; Parent : Module);
function Build_Dyadic (Ctxt : Context_Acc;
Id : Dyadic_Module_Id;
L, R : Net) return Net;
function Build_Monadic (Ctxt : Context_Acc;
Id : Monadic_Module_Id;
Op : Net) return Net;
function Build_Compare (Ctxt : Context_Acc;
Id : Compare_Module_Id;
L, R : Net) return Net;
function Build_Reduce (Ctxt : Context_Acc;
Id : Reduce_Module_Id;
Op : Net) return Net;
function Build_Const_UB32 (Ctxt : Context_Acc;
Val : Uns32;
W : Width) return Net;
function Build_Const_UL32 (Ctxt : Context_Acc;
Val : Uns32;
Xz : Uns32;
W : Width) return Net;
function Build_Edge (Ctxt : Context_Acc; Src : Net) return Net;
function Build_Mux2 (Ctxt : Context_Acc;
Sel : Net;
I0, I1 : Net) return Net;
function Build_Mux4 (Ctxt : Context_Acc;
Sel : Net;
I0, I1, I2, I3 : Net) return Net;
function Build_Concat2 (Ctxt : Context_Acc; I0, I1 : Net) return Net;
function Build_Concat3 (Ctxt : Context_Acc; I0, I1, I2 : Net) return Net;
function Build_Concat4 (Ctxt : Context_Acc; I0, I1, I2, I3 : Net)
return Net;
function Build_Trunc
(Ctxt : Context_Acc; Id : Module_Id; I : Net; W : Width) return Net;
function Build_Extend
(Ctxt : Context_Acc; Id : Module_Id; I : Net; W : Width) return Net;
function Build_Extract
(Ctxt : Context_Acc; I : Net; Off, W : Width) return Net;
function Build_Extract_Bit
(Ctxt : Context_Acc; I : Net; Off : Width) return Net;
function Build_Dyn_Extract
(Ctxt : Context_Acc;
I : Net; P : Net; Step : Uns32; Off : Int32; W : Width) return Net;
function Build_Insert
(Ctxt : Context_Acc; I : Net; V : Net; Off : Width) return Net;
function Build_Dyn_Insert
(Ctxt : Context_Acc; I : Net; V : Net; P : Net; Step : Uns32; Off : Int32)
return Net;
function Build_Output (Ctxt : Context_Acc; W : Width) return Net;
function Build_Signal (Ctxt : Context_Acc; Name : Sname; W : Width)
return Net;
function Build_Isignal (Ctxt : Context_Acc; Name : Sname; Init : Net)
return Net;
procedure Build_Assert (Ctxt : Context_Acc; Cond : Net);
procedure Build_Assume (Ctxt : Context_Acc; Cond : Net);
-- A simple flip-flop.
function Build_Dff (Ctxt : Context_Acc;
Clk : Net;
D : Net) return Net;
-- A flip-flop with an initial value (only for fpga)
-- The width is derived from INIT and D can be No_Net.
function Build_Idff (Ctxt : Context_Acc;
Clk : Net;
D : Net;
Init : Net) return Net;
function Build_Adff (Ctxt : Context_Acc;
Clk : Net;
D : Net; Rst : Net; Rst_Val : Net) return Net;
function Build_Iadff (Ctxt : Context_Acc;
Clk : Net;
D : Net; Rst : Net; Rst_Val : Net;
Init : Net) return Net;
private
type Module_Arr is array (Module_Id range <>) of Module;
type Context is record
Design : Module;
Parent : Module;
Num : Uns32;
M_Dyadic : Module_Arr (Dyadic_Module_Id);
M_Monadic : Module_Arr (Monadic_Module_Id);
M_Compare : Module_Arr (Compare_Module_Id);
M_Concat : Module_Arr (Concat_Module_Id);
M_Const_UB32 : Module;
M_Const_UL32 : Module;
M_Edge : Module;
M_Mux2 : Module;
M_Mux4 : Module;
M_Output : Module;
M_Signal : Module;
M_Isignal : Module;
M_Dff : Module;
M_Idff : Module;
M_Adff : Module;
M_Iadff : Module;
M_Truncate : Module_Arr (Truncate_Module_Id);
M_Extend : Module_Arr (Extend_Module_Id);
M_Reduce : Module_Arr (Reduce_Module_Id);
M_Extract : Module;
M_Insert : Module;
M_Dyn_Extract : Module;
M_Dyn_Insert : Module;
M_Assert : Module;
M_Assume : Module;
end record;
end Netlists.Builders;
|
