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284 Commits

Author SHA1 Message Date
David Shah
d7939f96e6 place_sa: Fix temp printing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-22 15:03:33 +02:00
David Shah
ce4ad44fd1 Print quasi-TNS statistic during placement 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-22 14:58:27 +02:00
David Shah
63baa10032 ice40: Make the packer deterministic 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-22 12:57:22 +02:00
David Shah
71176ac538 Fixing 5k bitstream gen and place heuristics 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-22 12:34:42 +02:00
Clifford Wolf
9b98a7175b Add total visit counts to router log output 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 20:41:20 +02:00
Clifford Wolf
2c98231f88 Updates from clangformat 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 19:36:20 +02:00
Clifford Wolf
bfae4663fc Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 
# Conflicts:
#	common/route.cc
 2018-06-21 19:31:50 +02:00
Clifford Wolf
38dc1cc550 Work "overtime" to find better solutions in routing search algorithm 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 19:17:04 +02:00
Miodrag Milanovic
8fac26c2b7 Fixed return codes for packer, placer and router 2018-06-21 17:56:45 +02:00
Miodrag Milanovic
54549d36e9 log_error now trows exception, main is covering catch 2018-06-21 17:44:18 +02:00
Clifford Wolf
fcfb85e9dc Zero-initialize PortRef budgets 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 16:25:25 +02:00
Clifford Wolf
4fefdbd57c Cleanup parse_json_file API, some other cleanups 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 16:16:58 +02:00
Clifford Wolf
a29bfc788e Add ctx->checksum(), slightly improve log messages 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 15:47:41 +02:00
Clifford Wolf
477c33efba Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-21 14:27:50 +02:00
Clifford Wolf
08020400b3 Fix build of "dummy" architexture 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 14:16:07 +02:00
Clifford Wolf
993f6ef7d3 Improve log messages, move many messages to verbose mode 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 14:09:50 +02:00
Clifford Wolf
693c34ad06 Improvements in router 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-21 14:08:45 +02:00
Miodrag Milanovic
9c03909eba Make arch specific main window 2018-06-21 13:41:33 +02:00
David Shah
56ed679f83 Add frequency setting and fix slack calculation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-21 11:59:20 +02:00
David Shah
9e28e45bd5 place_sa: Make the heuristic closer to arachne, seems to improve routability 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-21 11:45:58 +02:00
David Shah
e526a4115b place_sa: Use int64_t for "wirelength" metric 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-21 10:45:18 +02:00
David Shah
1df8a8b440 place_sa: Reduce effect of rounding errors 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 20:25:48 +02:00
David Shah
93ed8ca405 Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-20 20:14:08 +02:00
David Shah
c27c96f4f0 place_sa: Improvements including supporting force and ordering consistency 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 20:12:23 +02:00
Clifford Wolf
f2ae9a713b Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-20 19:37:16 +02:00
Clifford Wolf
9475997a2d Improve --tmfuzz mode and iCE40 delay estimator 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 19:22:03 +02:00
David Shah
c515e5da2d Improving placement timing heuristic 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 17:54:07 +02:00
David Shah
4fc9625040 WIP: adding timing budget to placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 17:08:57 +02:00
David Shah
e45508f6c4 Improving timing annotator 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 15:15:51 +02:00
Clifford Wolf
2da90889ef Add "nextpnr-ice40 --tmfuzz" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 14:04:10 +02:00
Clifford Wolf
3fda636e70 Minor refactoring of router infrastructure 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 13:32:50 +02:00
David Shah
c667f640d5 Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-20 13:01:30 +02:00
David Shah
4648d3bc83 Working on the timing annotator 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 13:01:22 +02:00
Clifford Wolf
37f7802c6c Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-20 12:58:08 +02:00
Clifford Wolf
7c3593ea5a Updates from clangformat 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 12:57:59 +02:00
Clifford Wolf
cb9c6c6ef2 Changes to estimatePosition API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 12:57:38 +02:00
Clifford Wolf
c3837027b2 Add better iCE40 delay estimates 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 12:50:38 +02:00
David Shah
5ca4663294 Working on the timing budget annnotator 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 12:21:56 +02:00
David Shah
2a41211ce1 Another stub delay calculation function 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 11:53:49 +02:00
David Shah
1436ae21a2 Adding stubs for delay annotation and cell timing lookup 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 11:44:28 +02:00
David Shah
5d1b87b0a4 place_sa: Set placement strengths 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 11:19:25 +02:00
Clifford Wolf
a06d2aeb4d Add PlaceStrength 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-20 11:09:49 +02:00
David Shah
1b3432b701 place_sa: Refactor to put SA placer in its own class 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-20 10:46:14 +02:00
Clifford Wolf
5af5bd23d0 Add Context::sorted_shuffle API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 16:23:23 +02:00
Clifford Wolf
3bf68753bb Improve "initial placement" log messages in placer_sa 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 15:44:44 +02:00
David Shah
7e7aea2c69 place_sa: Add log output during initial placement 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-19 15:34:07 +02:00
Miodrag Milanovic
b5c1b09079 Small gui improvements and open json functionality 2018-06-19 15:17:34 +02:00
Clifford Wolf
3a505638a6 Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 
# Conflicts:
#	common/place_sa.cc
#	ice40/arch.h
 2018-06-19 15:03:54 +02:00
Clifford Wolf
d7f424b809 Improved log messages in SA placer, minor changes from clangformat 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 15:00:24 +02:00
David Shah
9008669867 Major performance improvement to placement validity check 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-19 14:44:49 +02:00
Clifford Wolf
2603c6d805 Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-19 14:34:45 +02:00
David Shah
786bd6b25a place_sa: Use context-wide rng 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-19 14:31:49 +02:00
Clifford Wolf
fd40d6f58d Updates from clangformat 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 14:10:42 +02:00
Clifford Wolf
5f37da9704 Add Context::force and "nextpnr-ice40 --force" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 14:10:42 +02:00
Clifford Wolf
d2ff5fec08 Add rng to Context, start using ctx->verbose 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 12:49:40 +02:00
Clifford Wolf
c910846c5c Refactor Arch/Context design hierarchy 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-19 12:08:37 +02:00
Clifford Wolf
79d1075345 Getting rid of old IdString API users, Add ctx to many internal APIs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 17:08:35 +02:00
Clifford Wolf
58dfdfa9c8 Getting rid of users of old IdString API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 16:32:19 +02:00
Clifford Wolf
7ef4d0726b Getting rid of users of old IdString API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 16:08:19 +02:00
Clifford Wolf
0dd185a141 Getting rid of users of old IdString API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 15:53:18 +02:00
Clifford Wolf
71d07fd0bf Updates from clangformat 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:57:38 +02:00
Clifford Wolf
3d7444ba9b Deprecate old IdString API with implizit global context 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:56:14 +02:00
Clifford Wolf
babd5f39ab Towards IdString as per-context facility 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:53:01 +02:00
Clifford Wolf
3fe353ea03 Fixed include of "design.h" in "route.h" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:20:37 +02:00
Clifford Wolf
ce2a9f2af1 Move contents of design.h to nextpnr.h 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:18:56 +02:00
Clifford Wolf
cbcd2ea3ac Rename chip.h to arch.h 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:12:39 +02:00
Clifford Wolf
8ee149f4fc Rename Design to Context, derive from Arch instead of instantiating 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 14:06:37 +02:00
Clifford Wolf
ad18cdb087 Rename Chip to Arch and ChipArgs to ArchArgs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 13:35:25 +02:00
Clifford Wolf
2f5e9542c2 Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-18 13:13:51 +02:00
David Shah
ef2d0d2cb9 Fix hash specialisation for BelType and warnings in place_sa.cc 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-18 12:20:06 +02:00
Clifford Wolf
e0aa5c969e Improvements in router 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-18 11:58:37 +02:00
David Shah
fc7490370b Improving code style and fixing dummy 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-18 11:43:59 +02:00
Clifford Wolf
b728cb71d1 Improve router log output 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-17 19:43:07 +02:00
Clifford Wolf
3cfd6841dc Improve router log messages 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-17 19:27:48 +02:00
David Shah
2f9810a346 Speed up placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 16:18:59 +02:00
David Shah
f66999a883 Minor performance tweaks and fixes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 16:03:16 +02:00
David Shah
748171dae2 place_sa: Adding seed option 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 15:04:53 +02:00
David Shah
681c9654d7 place_sa: Add a rip-up feature when initial placement fails 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 14:36:19 +02:00
David Shah
153b800f6a place_sa: Make placement independant of unordered_map ordering 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 13:24:42 +02:00
David Shah
1b077320dc General reformatting 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 12:53:39 +02:00
David Shah
6a937e0b45 Updating copyrights 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 11:49:57 +02:00
David Shah
3afce5ff5a Improving the placer output 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 11:45:41 +02:00
David Shah
c604426341 place_sa: Ignore Bels locked by manual placement for SA swaps 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 11:33:31 +02:00
David Shah
f9bfccf68e Add 'get or default' functions 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 11:14:49 +02:00
David Shah
e95f38e88e place_sa: Run a validity check at the end of placement 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-17 10:55:19 +02:00
David Shah
0df9a11b1f Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-16 18:45:56 +02:00
David Shah
e497575c8e place: Fix placer validity checks 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 18:45:48 +02:00
ZipCPU
218c4cd740 Renamed place.h to place_sa.h in place_sa.cc 
Signed-off-by: ZipCPU <dgisselq@ieee.org>
 2018-06-16 12:09:51 -04:00
ZipCPU
41156d188e Changed place.h place_sa.h 2018-06-16 12:03:25 -04:00
ZipCPU
6d68af1e62 Renamed placer to Simulated-Annealing placer 2018-06-16 11:59:42 -04:00
David Shah
bb92dc09a8 ice40: Promote reset signal 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 17:09:41 +02:00
David Shah
c4241db117 Tweaking placer and router 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 16:54:57 +02:00
Clifford Wolf
ad0df6cea8 Update placer for new Chip API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-16 15:38:26 +02:00
Clifford Wolf
4d14bc2914 Merge remote-tracking branch 'origin/master' into chipdbng 2018-06-16 15:25:03 +02:00
Clifford Wolf
6acf23cf37 Some refactoring of Chip API (prep for chipdb refactoring) 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-16 15:23:04 +02:00
David Shah
ef2164708b router: Fixing loop issue 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:49:38 +02:00
David Shah
c0a2627179 place: Tidying up the SA placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
71903e29d4 place: Reformat placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
2479b4ecbf Improve placement heuristic 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
Clifford Wolf
579455d1b0 Fix router for routing to the same dest wire twice 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-16 14:44:10 +02:00
David Shah
432fe52274 Remove dead code 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
47566cf5e9 Improving SA placer performance 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
2d993d8ee9 Very slow SA placer based on arachne-pnr 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
32dcf6b3fe Experimenting with more unplacing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
104c2dad9b Adding randomness and changes metrics to placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
828c96f80b Updating placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
2f01ec5157 Update basic placer to use new API 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
3ef45d2a27 Another heuristic experiment 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
b1e08fa064 Playing about with placement heuristics 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
David Shah
6b74d326d4 experiment: Simple heuristic-based placer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-16 14:44:10 +02:00
Clifford Wolf
5d343a168b Fix router for routing to the same dest wire twice 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-15 20:56:40 +02:00
Clifford Wolf
8c46cc2fce Add output of estimated total wire delay to router (as metric for placement quality) 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-14 19:13:14 +02:00
Clifford Wolf
66ced800d7 Increase ripup penalties over time 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-14 15:45:47 +02:00
Clifford Wolf
312699e590 Add route-ripup routing loop 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-14 15:09:13 +02:00
Clifford Wolf
7787ce5fd9 Refactor position/delay estimation API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-14 12:43:00 +02:00
David Shah
b1cbae1293 python: Clear SIGINT handler after Python loads 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-14 10:08:54 +02:00
Clifford Wolf
9b3af68e44 Improve router error reporting 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-13 18:28:02 +02:00
Clifford Wolf
3d5954f997 Improve router error messages 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-13 18:10:09 +02:00
Clifford Wolf
794fc6df60 Add support for CellInfo->pins in router 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-13 17:52:18 +02:00
Clifford Wolf
9eb4943bd5 Fix router error handling for unplaced cells 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-13 17:26:03 +02:00
Clifford Wolf
aa4fedfd54 Add A*-like optimizations to router 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-13 16:52:21 +02:00
David Shah
a76f5c5678 Remove IO buffers when fed by SB_IO 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-13 10:50:05 +02:00
Miodrag Milanovic
9953012154 reveresed logic for enabling main file, and made tests link arch files 2018-06-12 19:56:03 +02:00
David Shah
330d393c59 Fixing regression due to IDStrings 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 16:04:02 +02:00
Clifford Wolf
da33da5bc2 Minor clangformat changes 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-12 15:52:38 +02:00
Clifford Wolf
136ce3d18f Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-12 15:51:51 +02:00
Clifford Wolf
9c275d0a65 Add fast IdString <-> PortPin conversion 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-12 15:50:33 +02:00
David Shah
b77a03d195 Minimal Python bindings for IdString 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 15:48:22 +02:00
Clifford Wolf
7e879953d6 Add proper fast IdString 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-12 15:37:28 +02:00
David Shah
6707b985b4 ice40: Add support for LC placement constraints in packer 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 15:13:50 +02:00
Clifford Wolf
a139654980 Add IdString API 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-12 15:08:01 +02:00
Clifford Wolf
d62e341d5a Merge branch 'master' of gitlab.com:SymbioticEDA/nextpnr 2018-06-12 14:25:12 +02:00
Clifford Wolf
391d49c13e Add nextpnr namespace 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-12 14:24:59 +02:00
David Shah
47eeda40bc Implement the placement validity checker 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 13:45:59 +02:00
David Shah
2f61a9b98a ice40: Start working on a packer, currently not tested 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 12:13:11 +02:00
David Shah
5f813410aa ice40: Adding cell utilities for packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 11:49:54 +02:00
David Shah
3ce32b6b1d Adding some utilities for packing 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-12 11:02:07 +02:00
Clifford Wolf
be73894bea Add "nextpnr.h" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-11 20:12:57 +02:00
Clifford Wolf
ac67482380 Remove pool, dict, vector namespace aliases 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-11 19:56:33 +02:00
Clifford Wolf
70f322ab44 Renamed LOC attribute to BEL, fix ice40 IO bel names 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-09 19:52:22 +02:00
David Shah
72f5e640af Adding basic placement constraints 
Specify the attribute (* LOC="bel_name" *) on any cell to constrain its
placement to that bel.

Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-09 19:38:37 +02:00
Clifford Wolf
dfbfbf87db Add very basic router 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-09 18:19:20 +02:00
Clifford Wolf
208d378322 Remove writing on sell types to cout (left over debug output?) 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-09 15:20:13 +02:00
David Shah
57cd67dbc1 Improving the Python bindings, particularly the map/pair wrappers 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-08 15:53:24 +02:00
David Shah
c16a971c0f python: Fixing builds as importable module 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-08 11:17:04 +02:00
David Shah
7f330af9f3 Reformat remaining files 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-06-08 11:04:02 +02:00
ZipCPU
4499864024 Applied clang-format to my own contributions 2018-06-07 15:38:24 -04:00
ZipCPU
a4f687548e Adjusted info message names for rule-checker and parser 2018-06-07 12:04:01 -04:00
Clifford Wolf
37d2fc65b1 Fix placer build for dummy arch 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-06-07 17:50:36 +02:00
ZipCPU
c352f6536b Moved placer definitions to place.h, main automatically runs placer now 2018-06-07 09:49:21 -04:00