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comparison ueda/sverp/struct.h @ 0:cd92449fdb51

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initial import of ueda and ifctf-part-lib from ifctfvax CVS
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 20 Jul 2015 00:24:37 +0000
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1 /*
2 * Data structures for our structural Verilog to flat netlist processor
3 */
4
5 /*
6 * Definition of a module as a thing in itself, before elaboration
7 */
8 struct module_def {
9 char *name;
10 struct module_def *next;
11 int is_primitive;
12 /* ports and internal nets */
13 struct module_net_def *nets;
14 int nports;
15 /* counts of individual wires (buses expanded) */
16 int nwires_ports;
17 int nwires_internal;
18 /* downward instantiations */
19 struct module_def_subinst *subinst;
20 /* primitives only */
21 int prim_numeric_pins;
22 int prim_is_mapped;
23 };
24
25 /*
26 * Definition of a wire or bus visible in a module (thing-in-itself),
27 * either port or internal wire.
28 */
29 struct module_net_def {
30 char *name;
31 struct module_net_def *next;
32 int is_port;
33 int def_complete;
34 int is_bus;
35 int bus_msb;
36 int bus_lsb;
37 int bus_width;
38 int array_index;
39 };
40
41 /*
42 * Definition of an instantiation statement in a module as a thing-in-itself
43 */
44 struct module_def_subinst {
45 char *submod_name;
46 struct module_def *submod_def;
47 char *inst_name;
48 struct module_def_subinst *next;
49 struct connect_entry *connections;
50 int connect_by_order;
51 };
52
53 /*
54 * Definition of a connection from a module to a downward port
55 */
56 struct connect_entry {
57 struct connect_entry *next;
58 /* upper end of the connection */
59 struct module_net_def *up_netdef; /* NULL means no connect */
60 int up_offset;
61 int up_width;
62 /* lower end of the connection before link pass */
63 char *down_portname; /* NULL means connect by order */
64 int down_range_given;
65 int down_range_msb;
66 int down_range_lsb;
67 /* lower end of the connection after link pass */
68 struct module_net_def *down_portdef;
69 int down_offset;
70 int down_width;
71 /* source line number */
72 int src_lineno;
73 };
74
75 /* output of the elaboration pass */
76
77 struct output_net {
78 char *name; /* NULL means no connect */
79 int npoints; /* # of package pins connected to this net */
80 struct output_net *next;
81 /* no-connect pseudo-nets */
82 char *nc_module_name;
83 int nc_module_lineno;
84 char *nc_module_inst;
85 };
86
87 struct output_element {
88 struct module_def *prim_def;
89 char *hier_inst_name;
90 struct output_net **connections;
91 struct output_element *next;
92 };