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474 commits

Author SHA1 Message Date
Aman Goel 90e0938f9a Update to .smv backend
Splitting VAR and ASSIGN into IVAR, VAR, DEFINE and ASSIGN. This allows better handling by nuXmv for post-processing (since now only state variables are listed under VAR).
2018-10-01 19:03:10 -04:00
Miodrag Milanovic 41affeeeb9 added prefix to FDirection constants, fixing windows build 2018-09-21 20:43:49 +02:00
acw1251 efac8a45a6 Fixed typo in "verilog_write" help message 2018-09-18 13:34:30 -04:00
Clifford Wolf 12440fcc8f Add $lut support to Verilog back-end
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-09-06 00:18:01 +02:00
Jim Lawson 380c6f0e97 Remove unused functions. 2018-08-27 10:18:33 -07:00
Jim Lawson 93d19dc2fb Add support for module instances.
Don't pad logical operands to one bit.
Use operand width and signedness in $reduce_bool.
Shift amounts are unsigned and shouldn't be padded.
Group "is invalid" with the wire declaration, not its use (otherwise it is incorrectly wired to 0).
2018-08-23 14:35:11 -07:00
Clifford Wolf 67b1026297
Merge pull request #591 from hzeller/virtual-override
Consistent use of 'override' for virtual methods in derived classes.
2018-08-15 14:05:38 +02:00
Clifford Wolf dfc0c8ffc8
Merge pull request #576 from cr1901/no-resource
Gate POSIX-only signals and resource module to only run on POSIX Pyth…
2018-08-15 14:00:19 +02:00
Clifford Wolf 1dd156f516 Fix use of signed integers in JSON back-end
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-08-14 23:31:25 +02:00
jpathy 7db05b2cc1
Use realpath
Use `os.path.realpath` instead to make sure symlinks are followed. This is also required to work for nix package manager.
2018-08-06 06:51:07 +00:00
Henner Zeller 3aa4484a3c Consistent use of 'override' for virtual methods in derived classes.
o Not all derived methods were marked 'override', but it is a great
  feature of C++11 that we should make use of.
o While at it: touched header files got a -*- c++ -*- for emacs to
  provide support for that language.
o use YS_OVERRIDE for all override keywords (though we should probably
  use the plain keyword going forward now that C++11 is established)
2018-07-20 23:51:06 -07:00
William D. Jones 0caa62802c Gate POSIX-only signals and resource module to only run on POSIX Python implementations. 2018-07-06 01:44:34 -04:00
Sergiusz Bazanski 1690dafde1 Fix protobuf build 2018-06-20 19:28:43 +01:00
Serge Bazanski 53e9a1549c Add Protobuf backend
Signed-off-by: Serge Bazanski <q3k@symbioticeda.com>
2018-06-19 13:34:56 +01:00
Clifford Wolf d9a2b43014 Add $dlatch support to write_verilog
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-04-22 16:03:26 +02:00
Clifford Wolf 5ca91ca019 Add "write_blif -inames -iattr"
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-04-15 14:07:21 +02:00
Clifford Wolf 4d6af2969c Add smtio.py support for parsing SMT2 (_ bvX n) syntax for BitVec constants
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-04-04 18:12:27 +02:00
Clifford Wolf 25a864fc73 Fixed -stbv handling in SMT2 back-end 2018-04-04 17:28:07 +02:00
Clifford Wolf dd5fab69c1 Add smtio status msgs when --progress is inactive
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-29 21:59:30 +02:00
Clifford Wolf a48c7e5abf Bugfix in smtio.py VCD file generator
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-29 12:45:31 +02:00
Clifford Wolf 77bd645c35 Add $mem support to SMT2 clock tagging
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-27 02:11:20 +02:00
Clifford Wolf 3f00702475 Improve yosys-smtbmc log output and error handling
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-17 18:06:17 +01:00
Clifford Wolf 4d4e3a8ca6 Improve handling of invalid check-sat result in smtio.py
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-17 12:17:53 +01:00
Clifford Wolf 3545c0fffb Remove debug prints from yosys-smtbmc VCD writer
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-08 16:24:35 +01:00
Clifford Wolf 8b604004da Check results of (check-sat) in yosys-smtbmc
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-07 22:54:19 +01:00
Clifford Wolf cedbc35f4b Imporove yosys-smtbmc error handling, Improve VCD output
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-05 12:17:22 +01:00
Clifford Wolf 8b7602e660 Improve SMT2 encoding of $reduce_{and,or,bool}
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-04 21:22:20 +01:00
Clifford Wolf 45a6fce92c Fix a hangup in yosys-smtbmc error handling
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-04 21:13:30 +01:00
Clifford Wolf ae4e204c76 Improved error handling in yosys-smtbmc
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-03 20:00:07 +01:00
Clifford Wolf a44e1edaa3 Terminate running SMT solver when smtbmc is terminated
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-03 14:50:40 +01:00
Clifford Wolf 3ced2cca6e Fix smtbmc smtc/aiw parser for wire names containing []
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-03 14:15:49 +01:00
Clifford Wolf 90ae426078 Mangle names with square brackets in VCD files to work around issues in gtkwave
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-03-01 14:15:27 +01:00
Clifford Wolf 675dd5347a Small fixes and improvements in $allconst/$allseq handling
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-02-26 11:58:44 +01:00
Clifford Wolf b13e6bd375 Add smtbmc support for exist-forall problems
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-02-23 19:33:30 +01:00
Clifford Wolf 17583b6a21 Add support for mockup clock signals in yosys-smtbmc vcd output
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-02-20 17:45:22 +01:00
Clifford Wolf c9672e2e2e Fix handling of zero-length cell connections in SMT2 back-end
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-02-08 19:12:12 +01:00
Clifford Wolf e4f0218907 Fixed gcc 7.2 "statement will never be executed" warning 2018-02-03 14:31:47 +01:00
Clifford Wolf e97f10b142 Fix smtio.py for large SMT2 S-expressions 2018-01-29 12:34:28 +01:00
Clifford Wolf 54aeca0983 Move user-provided smt2 info stmts to the top of the yosys-smtbmc smt2 output 2018-01-18 14:25:22 +01:00
Clifford Wolf 9804ebedbf Add "no driver for signal bit" error msg to btor back-end 2017-12-24 17:30:36 +01:00
Clifford Wolf 292984896b Simple fix BTOR memory encoding 2017-12-17 18:57:54 +01:00
Clifford Wolf bbdcc1f9d4 Improve BTOR memory encoding 2017-12-17 18:55:17 +01:00
Clifford Wolf 30f23281ed Add array support to btor back-end 2017-12-15 02:19:06 +01:00
Clifford Wolf ad901671c5 Add $anyconst/$anyseq support to btor back-end 2017-12-15 00:40:24 +01:00
Clifford Wolf 162c29bd6b Merge branch 'master' into btor-ng 2017-12-14 03:13:47 +01:00
Clifford Wolf 9419de3e37 Add yosys-smtbmc VCD writer support for memories with async writes 2017-12-14 03:06:00 +01:00
Clifford Wolf a48ec49017 Merge branch 'master' into btor-ng 2017-12-14 02:17:01 +01:00
Clifford Wolf 2625da6440 Add smt2 back-end support for async write memories 2017-12-14 02:07:10 +01:00
Clifford Wolf 546de7fa4f Add "write_btor -s" mode 2017-12-13 00:15:44 +01:00
Clifford Wolf 0881bbf2e7 Add state initval handling to btor back-end 2017-12-12 23:44:08 +01:00