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yosys
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Commit Graph

306 Commits

Author SHA1 Message Date
Andrew Zonenberg 367d6b2194 Fixed bug where counter extraction on non-GreenPAK devices incorrectly handled parallel counter output 2017-09-14 10:27:10 -07:00
Andrew Zonenberg c8f2f082c6 Added support for inferring counters with reset to full scale instead of zero 2017-09-14 10:26:43 -07:00
Andrew Zonenberg 122532b7e1 Added RESET_TO_MAX parameter to $__COUNT_ cell. Cannot yet be extracted. 2017-09-14 10:26:32 -07:00
Andrew Zonenberg 0484ad666d Added support for inferring counters with active-low reset 2017-09-14 10:26:21 -07:00
Andrew Zonenberg a84172b23b Initial support for extraction of counters with clock enable 2017-09-14 10:26:10 -07:00
Andrew Zonenberg c4a70a8cc3 Fixed typo in comment. Fixed bug where extract_counter would create up counters when it meant to create down counters. 2017-09-14 10:25:51 -07:00
Clifford Wolf 7d41c5e177 Further improve extract_fa (but still buggy) 2017-09-02 16:39:17 +02:00
Clifford Wolf 18609f3df8 Merge branch 'master' of github.com:cliffordwolf/yosys 2017-09-01 12:35:09 +02:00
Clifford Wolf 8a66bd30c6 Update more stuff to use get_src_attribute() and set_src_attribute() 2017-09-01 12:26:55 +02:00
Jason Lowdermilk 8dc6083de7 updated to use get_src_attribute() and set_src_attribute(). 2017-08-31 14:51:56 -06:00
Andrew Zonenberg ed1e3ed39b extract_counter: Added optimizations to remove unused high-order bits 2017-08-30 18:15:12 -07:00
Andrew Zonenberg 634f18be96 extract_counter: Minor changes requested to comply with upstream policy, fixed a few typos 2017-08-30 16:28:25 -07:00
Jason Lowdermilk 32c0f1193e Add support for source line tracking through synthesis phase 2017-08-29 14:46:35 -06:00
Andrew Zonenberg 3fc1b9f3fd Finished refactoring counter extraction to be nice and generic. Implemented techmapping from $__COUNT_ to GP_COUNTx cells. 2017-08-28 22:18:57 -07:00
Andrew Zonenberg 46b01f05bb Refactored extract_counter to be generic vs GreenPAK specific 2017-08-28 22:18:47 -07:00
Andrew Zonenberg b5c15636c5 Refactoring: Renamed greenpak4_counters pass to extract_counter, moved it to techmap/ since it's going to become a generic pass 2017-08-28 22:18:34 -07:00
Clifford Wolf 908f34aafc Rename recover_reduce to extract_reduce, fix args handling 2017-08-28 19:52:06 +02:00
Clifford Wolf 3aad3ed3da Merge branch 'recover-reduce' of https://github.com/azonenberg/yosys into azonenberg-recover-reduce 2017-08-28 19:46:17 +02:00
Clifford Wolf ebbb0e9479 Further improve extract_fa pass 2017-08-28 19:43:26 +02:00
Robert Ou 849b885775 recover_reduce: Update documentation 
The documentation now describes the commands performed in the deleted
recover_reduce script.
 2017-08-27 02:19:19 -07:00
Robert Ou 74d0f17fd4 recover_reduce: Reindent using tabs 2017-08-27 02:12:41 -07:00
Robert Ou 8a5887464c recover_reduce: Rename recover_reduce_core to recover_reduce 
Clifford has commented on PR #387 stating that he does not like the
driver script and would prefer to only have the core script with
appropriate notes in the documentation.

Also rename to .cc (rather than .cpp) for consistency.
 2017-08-27 02:01:32 -07:00
Robert Ou 99dad40ed0 recover_reduce: Add driver script for the $reduce_* recover feature 
Conflicts:
	passes/techmap/Makefile.inc
 2017-08-27 01:57:20 -07:00
Robert Ou 8b7dc792ee recover_reduce_core: Finish implementing the core function 2017-08-27 01:56:49 -07:00
Robert Ou fa310c98f8 recover_reduce_core: Initial commit 
Conflicts:
	passes/techmap/Makefile.inc
 2017-08-27 01:56:49 -07:00
Clifford Wolf 382cc90c65 Further improve extract_fa (seems to be fully functional now) 2017-08-25 13:41:54 +02:00
Clifford Wolf 0bf612506c Rename "adders" to "extract_fa" 2017-08-25 12:04:40 +02:00
Clifford Wolf 15cdda7c4b Towards more generic "adder" function extractor 2017-08-23 14:20:10 +02:00
Clifford Wolf 51cbec7f75 Add experimental adders pass 2017-08-22 13:52:13 +02:00
Robert Ou 9a64ba3338 abc: Allow +/ filenames in the abc command 2017-08-14 12:11:11 -07:00
Clifford Wolf 5c09f24e48 Fix typo in "abc" pass help message 2017-07-29 16:21:58 +02:00
Clifford Wolf b3bc7068d1 Fix handling of empty cell port assignments (i.e. ignore them) 2017-07-21 19:32:31 +02:00
Clifford Wolf 155a80dfb7 Fix handling of init values in "abc -dff" and "abc -clk" 2017-06-20 15:32:23 +02:00
Clifford Wolf f6421c83a2 Switched abc "clock domain not found" error to log_cmd_error() 2017-06-20 04:22:34 +02:00
Clifford Wolf fad52abf70 Add aliases for common sets of gate types to "abc -g" 2017-05-24 11:39:05 +02:00
Clifford Wolf 05cdd58c8d Add $_ANDNOT_ and $_ORNOT_ gates 2017-05-17 09:08:29 +02:00
Larry Doolittle 2021ddecb3 Squelch trailing whitespace 2017-04-12 15:11:09 +02:00
Clifford Wolf cf25dc9ce7 Copy attributes to _TECHMAP_REPLACE_ cells 2017-02-16 12:28:42 +01:00
Clifford Wolf db7314bc02 Fix techmap for inout ports connected to inout ports 2017-02-13 16:55:25 +01:00
Clifford Wolf 8927e19b13 Update ABC scripts to use "&nf" instead of "map" 2017-02-01 11:15:20 +01:00
Clifford Wolf 55785a96eb Improved ABC default scripts 2016-11-19 18:20:54 +01:00
Clifford Wolf 74702b04c2 Build fixes for VS 2015 2016-10-16 20:37:02 +02:00
Clifford Wolf e4c5ee9b89 Avoid using strcasecmp() 2016-10-14 18:20:36 +02:00
Clifford Wolf ffbb4e992e Added MEMID handling to "flatten" pass 2016-10-14 10:36:37 +02:00
Clifford Wolf ee91350add Added "zinit" pass 2016-10-12 12:05:19 +02:00
Clifford Wolf 8ebba8a35f Added $ff and $_FF_ cell types 2016-10-12 01:18:39 +02:00
Clifford Wolf d8ad889594 Bugfix in techmap parameter handling 2016-09-14 20:46:54 +02:00
Clifford Wolf 73b7232ec8 Fixed some compiler warnings in attrmap command 2016-08-10 13:44:08 +02:00
Clifford Wolf b0aab4e304 Added "attrmap" command 2016-08-09 19:56:55 +02:00
Clifford Wolf 3c6d31fd06 Added "attrmvcp" pass 2016-08-09 11:18:48 +02:00