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Author SHA1 Message Date
David Shah
d790d0bb91
Merge pull request #163 from daveshah1/timing_opt 
Adding criticality calculation and experimental timing optimisation pass
 2018-12-07 21:19:41 +00:00
Serge Bazanski
a9e1fab9fc
Merge pull request #168 from YosysHQ/ci/cirrus 
ci: implement using CirrusCI
 2018-12-06 12:35:14 +01:00
David Shah
144363693d ice40: Report error for unsupported PLL FEEDBACK_PATH values 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 11:29:33 +00:00
David Shah
e7fc42ac84 ice40: Improve bitstream error handling 
Fixes #161 and provides a clearer error for #170

Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 11:19:48 +00:00
David Shah
b732e42fa3 timing_opt: Reduce iterations to 30, tidy up logging 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 11:00:16 +00:00
David Shah
56dfd5564a timing: Fix xclock crit calc and compiler warnings 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
2b84b33cd6 timing_opt: Reduce search diameter to 2 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
745960fa85 timing_opt: Neighbour related fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
f53dc8d3c9 timing_opt: Improve heuristics 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
a990a1576c timing_opt: Fix criticality and cost calculations 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
f3adf5a576 timing_opt: Make an optional pass controlled by command line 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
0f40e5fe8c timing: Fixes to criticality calculation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
254c5ea359 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
e1c74ad3db timing_opt: Fixes including single-move legality 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
b51308708b timing_opt: Debugging and integration 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
1b7214a18a timing_opt: Implement the BFS-based path optimisation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
51a662d37e timing_opt: Implement critical path finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
cd9a65a84c timing_opt: Neigbour bel validity checking 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
2de506c071 timing_opt: Functions to calculate arc delay limits 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
83e3277577 timing_opt: Implement neighbour Bel finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
9a42b64a68 timing: Add criticality calculation to timing analysis 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
88e1e6bdf4 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:52:46 +00:00
David Shah
2fef79c276
Merge pull request #164 from YosysHQ/carry_opt 
ice40: Carry chain optimisations
 2018-12-06 10:52:06 +00:00
David Shah
dbaabae235 ice40: Put debug logging behind ctx->debug 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:51:17 +00:00
Miodrag Milanovic
fdb632f24c Fix crash exiting nextpnr gui 2018-12-06 08:31:40 +01:00
Sergiusz Bazanski
70c30c9c96 ci: more RAM 2018-12-06 01:05:07 +01:00
Sergiusz Bazanski
659b859360 ci: run test binaries 2018-12-06 00:18:51 +01:00
Sergiusz Bazanski
f4793a671e ci: downloadmoreram.com 2018-12-05 23:44:20 +01:00
Sergiusz Bazanski
331134cff2 ci: implement using CirrusCI 2018-12-05 23:33:58 +01:00
Miodrag Milanovic
a6315833d3 Renamed LogLevel members, to prevent issue with system defines on Windows 2018-12-05 19:58:38 +01:00
Miodrag Milanović
697e2ed490
Merge pull request #165 from smunaut/build_pipe 
build: Make use of the pipe option to avoid temporary files
 2018-12-05 19:05:38 +01:00
Miodrag Milanović
6ae143685a
Merge pull request #166 from ajeakins/master 
Fix crash starting the GUI on macOS where we must request a core profile
 2018-12-05 19:04:36 +01:00
David Shah
d298687dc2 ice40: Fix carry chain splitting 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-05 10:12:23 +00:00
Adrian Jeakins
92ddef9fc3 Fix crash starting the GUI on macOS where we must request a core profile. 
See http://doc.qt.io/qt-5/qabstractopenglfunctions.html
 2018-12-04 23:05:06 +00:00
Sylvain Munaut
99e1b6db47 build: Make use of the pipe option to avoid temporary files 
This is really useful when building the ice40 with the gigantic .cc
files that generate multi gigabyte .s temporary files ... this way the
assembler just processed it in streaming way.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-12-04 20:20:50 +01:00
David Shah
51cda136b1 ice40: Don't split carry chain in simple feed-out cases 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:31:32 +00:00
David Shah
0c93b55650 ice40: Include I3 connectivity in chain 
Thanks @smunaut

Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:02:26 +00:00
David Shah
12aca1558f
Merge pull request #162 from whitequark/reset-fanout 
ice40: add reset global promotion threshold
 2018-12-04 10:14:12 +00:00
whitequark
7fad6058bd ice40: add reset global promotion threshold. 2018-12-04 07:40:55 +00:00
David Shah
6e728c9a9b
Merge pull request #160 from dmsc/sb_ledda_ip 
ice40: Add support for placing SB_LEDDA_IP block.
 2018-12-02 08:48:58 +00:00
Daniel Serpell
d4b3c1d819 ice40: Add support for placing SB_LEDDA_IP block. 
Signed-off-by: Daniel Serpell <daniel.serpell@gmail.com>
 2018-12-01 22:27:04 -03:00
David Shah
dc549cd56b
Merge pull request #159 from YosysHQ/ecp5_pllplace 
ecp5: Pre-place PLLs and use dedicated routes into globals
 2018-12-01 09:14:34 +00:00
David Shah
5ddf99cf5d ecp5: Pre-place PLLs and use dedicated routes into globals 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-30 16:09:56 +00:00
David Shah
58e9c6f32e
Merge pull request #158 from YosysHQ/improve_error 
Error reporting improvements
 2018-11-29 19:46:05 +00:00
David Shah
8af367ad0a ice40: Add a warning for unconstrained IO 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-29 19:35:19 +00:00
David Shah
90138fc120 rulecheck: Improve message printed at start 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-29 19:28:15 +00:00
David Shah
4e05d09397 Improve reporting of unknown cell types 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-29 19:26:23 +00:00
David Shah
dbc14ea76d json: Improve reporting of multiple drivers 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-29 19:20:51 +00:00
David Shah
fc08856537
Merge pull request #157 from whitequark/fanout-thresh 
ice40: raise CE global promotion threshold
 2018-11-29 09:12:47 +00:00
David Shah
3ff3b0f6b5
Merge pull request #156 from whitequark/fanout 
ice40: print fanout of nets promoted to globals
 2018-11-29 09:08:40 +00:00