aboutsummaryrefslogtreecommitdiffstats
path: root/common/design.h
blob: f4c24f155f61db791e81c4481a8387a4eb94d5ed (plain)
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
/*
 *  nextpnr -- Next Generation Place and Route
 *
 *  Copyright (C) 2018  Clifford Wolf <clifford@clifford.at>
 *
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#ifndef DESIGN_H
#define DESIGN_H

#include <assert.h>
#include <stdint.h>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

// replace with proper IdString later
typedef std::string IdString;

// replace with haslib later
template <typename T> using pool = std::unordered_set<T>;
template <typename T, typename U> using dict = std::unordered_map<T, U>;
using std::vector;

struct GraphicElement
{
    // This will control colour, and there should be separate
    // visibility controls in some cases also
    enum
    {
        // Wires entirely inside tiles, e.g. between switchbox and bels
        G_LOCAL_WIRES,
        // Standard inter-tile routing
        G_GENERAL_WIRES,
        // Special inter-tile wires, e.g. carry chains
        G_DEDICATED_WIRES,
        G_BEL_OUTLINE,
        G_SWITCHBOX_OUTLINE,
        G_TILE_OUTLINE,
        G_BEL_PINS,
        G_SWITCHBOX_PINS,
        G_BEL_MISC,
        G_TILE_MISC,
    } style;

    enum
    {
        G_LINE,
        G_BOX,
        G_CIRCLE,
        G_LABEL
    } type;

    float x1, y1, x2, y2, z;
    std::string text;
};

#include "chip.h"

struct CellInfo;

struct PortRef
{
    CellInfo *cell;
    IdString port;
};

struct NetInfo
{
    IdString name;
    PortRef driver;
    vector<PortRef> users;
    dict<IdString, std::string> attrs;

    // wire -> (uphill_wire, delay)
    dict<WireId, std::pair<WireId, DelayInfo>> wires;
};

enum PortType
{
    PORT_IN = 0,
    PORT_OUT = 1,
    PORT_INOUT = 2
};

struct PortInfo
{
    IdString name;
    NetInfo *net;
    PortType type;
};

struct CellInfo
{
    IdString name, type;
    dict<IdString, PortInfo> ports;
    dict<IdString, std::string> attrs, params;

    BelId bel;
    // cell_port -> bel_pin
    dict<IdString, IdString> pins;
};

struct Design
{
    struct Chip chip;

    Design(ChipArgs args) : chip(args)
    {
        // ...
    }

    dict<IdString, NetInfo *> nets;
    dict<IdString, CellInfo *> cells;
};

#endif