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84 Commits

Author SHA1 Message Date
Sebastien Bourdeauducq a4782899f6 fhdl/verilog: fix tristate to instance connection 2014-10-29 18:18:17 +08:00
Florent Kermarrec dbaeaf7833 remove trailing whitespaces 2014-10-17 17:08:46 +08:00
Sebastien Bourdeauducq 135a4fea25 fhdl/verilog: fix representation of negative integers 
Give the explicit two's complement representation for the given bit width.

This results in less readable code compared to using unary minus,
but fixes a bug when trying to represent the most negative integer.
 2013-12-11 22:26:10 +01:00
Robert Jordens 8d3d61ba98 fhdl.size: rename to bitcontainer 2013-12-03 22:51:52 +01:00
Nina Engelhardt 6f9f08f6eb add ternary operator sel ? a : b 2013-08-12 13:15:56 +02:00
Sebastien Bourdeauducq eb1417c5ed fhdl: move insert_resets to tools 2013-08-08 11:32:58 +02:00
Nina Engelhardt 61b8958953 fix synthesis translate on/off switch 2013-07-26 15:55:16 +02:00
Sebastien Bourdeauducq b7ed19c6c5 fhdl: do not export Fragment 2013-07-25 18:52:54 +02:00
Sebastien Bourdeauducq 71b89e4c46 fhdl/verilog: lower complex slices before reset insertion 2013-06-30 14:32:47 +02:00
Sebastien Bourdeauducq 080afdc3f9 fhdl/verilog: fix signedness rules for comparison 2013-06-26 22:45:47 +02:00
Sebastien Bourdeauducq b56cb3cefc fhdl/verilog: improve error reporting 2013-06-24 19:44:25 +02:00
Sebastien Bourdeauducq 70ffe86356 New migen.fhdl.std to simplify imports + len->flen 2013-05-22 17:11:09 +02:00
Sebastien Bourdeauducq b862b070d6 fhdl/verilog: recursive Special lowering 2013-04-25 14:56:26 +02:00
Florent Kermarrec f599fe4ade Support for resetless clock domains 2013-04-23 11:54:05 +02:00
Sebastien Bourdeauducq 75d33a0c05 fhdl/verilog/_printinit: initialize undriven Special inputs (bug reported by Florent Kermarrec) 2013-04-11 18:55:49 +02:00
Sebastien Bourdeauducq 574becc1fc fhdl/specials: clean up clock domain handling 2013-03-26 11:58:34 +01:00
Sebastien Bourdeauducq 17f2b17654 fhdl/verilog: optionally disable clock domain creation 2013-03-18 18:45:19 +01:00
Sebastien Bourdeauducq 7a06e9457c Lowering of Special expressions + support ClockSignal/ResetSignal 2013-03-18 18:36:50 +01:00
Sebastien Bourdeauducq bd8bbd9305 Make ClockDomains part of fragments 2013-03-15 18:17:33 +01:00
Sebastien Bourdeauducq ecfe1646ec fhdl/verilog: implicit get_fragment 2013-03-12 16:16:06 +01:00
Sebastien Bourdeauducq 6fa30053bf fhdl/verilog: tristate outputs are always wire 2013-03-06 11:30:52 +01:00
Sebastien Bourdeauducq c10622f5e2 fhdl/verilog: insert reset before listing signals 2013-02-27 18:10:04 +01:00
Sebastien Bourdeauducq 7c4e6c35e5 fhdl/verilog: support special lowering and overrides 2013-02-23 19:03:16 +01:00
Sebastien Bourdeauducq 49cfba50fa New 'specials' API 2013-02-22 17:56:35 +01:00
Sebastien Bourdeauducq dc93a231c6 fhdl: tristate support 2013-02-15 00:17:24 +01:00
Sebastien Bourdeauducq 3201554f76 fhdl/verilog: fix spurious clock/reset signals on multiple calls to convert() 2013-01-23 15:13:06 +01:00
Sebastien Bourdeauducq badba89686 fhdl: support nested statement lists 2013-01-05 14:18:15 +01:00
Sebastien Bourdeauducq 70e97e0456 Fix various errors from new bitwidth/signedness system conversion 2012-11-29 23:36:55 +01:00
Sebastien Bourdeauducq 261166d92b fhdl/verilog: make signal behave as integers in arithmetic (MyHDL style) 
See http://jandecaluwe.com/hdldesign/counting.html
 2012-11-29 22:59:54 +01:00
Sebastien Bourdeauducq 50ed73c937 New specification for width and signedness 2012-11-29 21:22:38 +01:00
Sebastien Bourdeauducq 6eebfce44a Refactor Case 2012-11-29 01:11:15 +01:00
Sebastien Bourdeauducq fee22a4631 Remove Constant 2012-11-28 23:18:43 +01:00
Sebastien Bourdeauducq 9d3e218863 fhdl: use object creation counter (HUID) as hash. This finally makes the generated code textually the same across runs. 2012-11-23 18:38:03 +01:00
Sebastien Bourdeauducq 51e2e6ecd0 fhdl/verilog: remove empty cases 2012-11-18 16:32:51 +01:00
Sebastien Bourdeauducq c273866b08 fhdl: support expressions in instance ports 2012-09-22 20:51:10 +02:00
Sebastien Bourdeauducq 2fc9cae88a fhdl: support inverted clock ports in instances 2012-09-22 20:50:49 +02:00
Sebastien Bourdeauducq 2e14569b5c fhdl/verilog: sort clock domains by name 2012-09-11 10:00:03 +02:00
Sebastien Bourdeauducq 9a18a9df3f fhdl: list signals in execution order 2012-09-11 09:59:37 +02:00
Sebastien Bourdeauducq e16353a281 Multi-clock design support + new instance API 2012-09-10 23:45:02 +02:00
Sebastien Bourdeauducq 8de192dfbd x.bv.width -> len(x) 2012-07-13 18:32:54 +02:00
Sebastien Bourdeauducq 7f47a2568a fhdl: remove _StatementList 2012-07-13 17:07:56 +02:00
Sebastien Bourdeauducq ed27783a53 fhdl: arrays (TODO: use correct BV for intermediate signals) 2012-07-09 15:16:38 +02:00
Sebastien Bourdeauducq 398ece8fe2 fhdl/verilog: add option to display which comb blocks are run 
This is a debug hack to help find combinatorial loops in designs.
 2012-04-30 16:38:40 -05:00
Sebastien Bourdeauducq 2a4e49e381 fhdl: phase out pads 2012-04-02 19:21:43 +02:00
Sebastien Bourdeauducq 623e8e436a fhdl/verilog: do not attempt to initialize instance and mem output signals 2012-04-02 12:59:42 +02:00
Sebastien Bourdeauducq f3ae22f488 fhdl/verilog: initialize internal read-only signals with their reset values 2012-04-01 16:39:11 +02:00
Sebastien Bourdeauducq 90184b22d2 fhdl/verilog: fix signed constant conversion 2012-03-06 16:45:44 +01:00
Sebastien Bourdeauducq a1ad30faab fhdl/verilog: properly connect instance inouts 2012-02-17 11:08:41 +01:00
Sebastien Bourdeauducq ca7056b07f fhdl: support forwarding of bidirectional signals from instance ports 2012-02-16 18:34:32 +01:00
Sebastien Bourdeauducq 1eb348c573 fhdl: do not attempt slicing non-array signals to keep Verilog happy 2012-02-06 18:07:02 +01:00