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* add attributes for enumerated values in ilangJeff Wang2020-02-171-1/+8
| | | | | | - information also useful for strongly-typed enums (not implemented) - resolves enum values in ilang part of #1594 - still need to output enums to VCD (or better yet FST) files
* lexer doesn't seem to return TOK_REG for logic anymoreJeff Wang2020-01-161-3/+4
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* allow enum typedefsJeff Wang2020-01-161-1/+6
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* partial rebase of PeterCrozier's enum work onto current masterJeff Wang2020-01-161-1/+90
| | | | | | | | | | | I tried to keep only the enum-related changes, and minimize the diff. (The original commit also had a lot of work done to get typedefs working, but yosys has diverged quite a bit since the 2018-03-09 commit, with a new typedef implementation.) I did not include the import related changes either. Original commit: "Initial implementation of enum, typedef, import. Still a WIP." https://github.com/PeterCrozier/yosys/commit/881833aa738e7404987646ea8076284e911fce3f
* kernel: require \B_SIGNED=0 on $shl, $sshl, $shr, $sshr.whitequark2019-12-041-5/+5
| | | | | | | Before this commit, these cells would accept any \B_SIGNED and in case of \B_SIGNED=1, would still treat the \B input as unsigned. Also fix the Verilog frontend to never emit such constructs.
* sv: Correct parsing of always_comb, always_ff and always_latchDavid Shah2019-11-211-2/+37
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Use "(id)" instead of "id" for types as temporary hackClifford Wolf2019-10-141-11/+69
|\ | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * sv: Disambiguate interface portsDavid Shah2019-10-031-3/+19
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * sv: Fix memories of typedefsDavid Shah2019-10-031-1/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * sv: Add %expectDavid Shah2019-10-031-0/+1
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * sv: Add support for memory typedefsDavid Shah2019-10-031-1/+19
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * sv: Fix typedef parametersDavid Shah2019-10-031-4/+17
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * sv: Switch parser to glr, prep for typedefDavid Shah2019-10-031-4/+34
|/ | | | Signed-off-by: David Shah <dave@ds0.me>
* substr() -> compare()Eddie Hung2019-08-071-4/+4
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* Some cleanups in "ignore specify parser"Clifford Wolf2019-07-031-79/+5
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Improve specify dummy parser, fixes #1144Clifford Wolf2019-06-281-2/+9
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Make genvar a signed typeEddie Hung2019-06-201-0/+1
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* Merge branch 'unpacked_arrays' of https://github.com/towoe/yosys-sv into ↵Clifford Wolf2019-06-201-1/+7
|\ | | | | | | towoe-unpacked_arrays
| * Unpacked array declaration using sizeTobias Wölfel2019-06-191-1/+7
| | | | | | | | | | | | | | | | Allows fixed-sized array dimension specified by a single number. This commit is based on the work from PeterCrozier https://github.com/YosysHQ/yosys/pull/560. But is split out of the original work.
* | Add "read_verilog -pwires" feature, closes #1106Clifford Wolf2019-06-191-2/+6
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Add defaultvalue attributeClifford Wolf2019-06-191-0/+11
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Fix handling of "logic" variables with initial valueClifford Wolf2019-06-191-2/+2
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Fixed brojen $error()/$info/$warning() on non-generate blocksUdi Finkelstein2019-06-111-2/+12
|/ | | | (within always/initial blocks)
* Merge branch 'pr_elab_sys_tasks' of https://github.com/udif/yosys into ↵Clifford Wolf2019-06-071-1/+10
|\ | | | | | | clifford/pr983
| * Initial implementation of elaboration system tasksUdi Finkelstein2019-05-031-1/+10
| | | | | | | | | | | | | | (IEEE1800-2017 section 20.11) This PR allows us to use $info/$warning/$error/$fatal **at elaboration time** within a generate block. This is very useful to stop a synthesis of a parametrized block when an illegal combination of parameters is chosen.
* | Cleanup tux3-implicit_named_connectionClifford Wolf2019-06-071-1/+1
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Merge branch 'implicit_named_connection' of https://github.com/tux3/yosys ↵Clifford Wolf2019-06-071-1/+10
|\ \ | | | | | | | | | into tux3-implicit_named_connection
| * | SystemVerilog support for implicit named port connectionstux32019-06-061-9/+17
| | | | | | | | | | | | | | | This is the `foo foo(.port1, .port2);` SystemVerilog syntax introduced in IEEE1800-2005.
* | | Fixed memory leak.Maciej Kurc2019-06-051-0/+4
| | | | | | | | | | | | Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
* | | Added support for parsing attributes on port connections.Maciej Kurc2019-05-311-10/+10
|/ / | | | | | | Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
* | fix indentation across filesStefan Biereigel2019-05-231-2/+2
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* | make lexer/parser aware of wand/wor net typesStefan Biereigel2019-05-231-1/+7
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* | Merge pull request #1013 from antmicro/parameter_attributesClifford Wolf2019-05-161-2/+2
|\ \ | | | | | | Support for attributes on parameters and localparams for Verilog frontend
| * | Added support for parsing attributes on parameters in Verilog frontent. ↵Maciej Kurc2019-05-161-2/+2
| | | | | | | | | | | | | | | | | | Content of those attributes is ignored. Signed-off-by: Maciej Kurc <mkurc@antmicro.com>
* | | Make the generated *.tab.hh include all the headers needed to define the union.Henner Zeller2019-05-141-1/+9
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* | Merge pull request #946 from YosysHQ/clifford/specifyClifford Wolf2019-05-061-22/+295
|\ \ | | | | | | Add specify parser
| * \ Merge branch 'master' of github.com:YosysHQ/yosys into clifford/specifyClifford Wolf2019-05-061-2/+8
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| * | | Improve $specrule interfaceClifford Wolf2019-04-231-8/+18
| | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | Improve $specrule interfaceClifford Wolf2019-04-231-20/+18
| | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | Add $specrule cells for $setup/$hold/$skew specify rulesClifford Wolf2019-04-231-2/+67
| | | | | | | | | | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | Rename T_{RISE,FALL}_AVG to T_{RISE,FALL}_TYP to better match verilog std ↵Clifford Wolf2019-04-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | nomenclature Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * | | Add specify parserClifford Wolf2019-04-231-22/+222
| | |/ | |/| | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | | verilog_parser: Fix Bison warningBen Widawsky2019-05-051-1/+1
| |/ |/| | | | | | | | | | | | | | | | | | | | | As of Bison 2.6, name-prefix is deprecated. This fixes frontends/verilog/verilog_parser.y:99.1-34: warning: deprecated directive, use ‘%define api.prefix {frontend_verilog_yy}’ [-Wdeprecated] %name-prefix "frontend_verilog_yy" For details: https://www.gnu.org/software/bison/manual/html_node/Multiple-Parsers.html Compile tested only. Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
* | Merge pull request #988 from YosysHQ/clifford/fix987Clifford Wolf2019-05-041-1/+4
|\ \ | | | | | | Add approximate support for SV "var" keyword
| * | Add approximate support for SV "var" keyword, fixes #987Clifford Wolf2019-05-041-1/+4
| |/ | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* / Add support for SVA "final" keywordClifford Wolf2019-05-041-1/+4
|/ | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* New behavior for front-end handling of whiteboxesClifford Wolf2019-04-201-5/+5
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Add "whitebox" attribute, add "read_verilog -wb"Clifford Wolf2019-04-181-5/+5
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Fix handling of cases that look like sva labels, fixes #862Clifford Wolf2019-03-101-43/+56
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Also add support for labels on sva module items, fixes #699Clifford Wolf2019-03-081-39/+61
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
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