Marcelina Kościelnicka [Tue, 30 Mar 2021 02:00:45 +0000 (04:00 +0200)]
equiv: Suggest running async2sync or clk2fflogic where appropriate.
See #2713.
Zachary Snow [Mon, 29 Mar 2021 15:03:46 +0000 (11:03 -0400)]
verilog: revise hot comment warnings
Eddie Hung [Tue, 30 Mar 2021 05:02:06 +0000 (22:02 -0700)]
abc9: uniquify blackboxes like whiteboxes (#2695)
* abc9_ops: uniquify blackboxes too
* abc9_ops: update comment
* abc9_ops: allow bypass for param-less blackboxes
* Add tests
Eddie Hung [Tue, 30 Mar 2021 05:01:57 +0000 (22:01 -0700)]
abc9: fix SCC issues (#2694)
* xilinx: add SCC test for DSP48E1
* xilinx: Gate DSP48E1 being a whitebox behind ALLOW_WHITEBOX_DSP48E1
Have a test that checks it works through ABC9 when enabled
* abc9 to break SCCs using $__ABC9_SCC_BREAKER module
* Add test
* abc9_ops: remove refs to (* abc9_keep *) on wires
* abc9_ops: do not bypass cells in an SCC
* Add myself to CODEOWNERS for abc9*
* Fix compile
* abc9_ops: run -prep_hier before scc
* Fix tests
* Remove bug reference pending fix
* abc9: fix for -prep_hier -dff
* xaiger: restore PI handling
* abc9_ops: -prep_xaiger sigmap
* abc9_ops: -mark_scc -> -break_scc
* abc9: eliminate hard-coded abc9.box from tests
Also tidy up
* Address review
Marcelina Kościelnicka [Tue, 30 Mar 2021 00:30:17 +0000 (02:30 +0200)]
Bump version
Marcelina Kościelnicka [Mon, 29 Mar 2021 23:15:49 +0000 (01:15 +0200)]
preproc: Fix up conditional handling.
Fixes #2710.
Fixes #2711.
Zachary Snow [Sun, 28 Mar 2021 21:45:38 +0000 (17:45 -0400)]
gha: trim macOS dependencies
- Only install needed dependencies rather than using Brewfile
- Remove brew update (recent enough formulae already baked in)
- Saves ~16 minutes in macOS CI
Zachary Snow [Sun, 28 Mar 2021 19:28:23 +0000 (15:28 -0400)]
gha: combine jobs using matrix
Zachary Snow [Wed, 24 Mar 2021 15:23:23 +0000 (11:23 -0400)]
rtlil: add const accessors for modules, wires, and cells
whitequark [Wed, 24 Mar 2021 23:39:19 +0000 (23:39 +0000)]
Merge pull request #2702 from modwizcode/patch-1
Clarify bugpoint documentation regarding output
Iris Johnson [Wed, 24 Mar 2021 21:24:33 +0000 (16:24 -0500)]
Clarify bugpoint documentation regarding output
Bugpoint's current documentation does specify that the result of a run is stored as the current design,
however it's easy to skim over what that means in practice.
Add a documentation comment to explain specifically that an after bugpoint `write_xyz` pass is required to save
the reduced design.
Zachary Snow [Tue, 23 Mar 2021 16:49:11 +0000 (12:49 -0400)]
ast: make design available to process_module()
Marcelina Kościelnicka [Tue, 23 Mar 2021 16:39:06 +0000 (17:39 +0100)]
rtlil: Fix process memwr roundtrip.
Fixes #2646 fallout.
N. Engelhardt [Tue, 23 Mar 2021 16:41:13 +0000 (17:41 +0100)]
Merge pull request #2696 from nakengelhardt/guidelines
split CodingReadme into multiple files
Marcelina Kościelnicka [Tue, 23 Mar 2021 13:51:37 +0000 (14:51 +0100)]
quicklogic: Add .gitignore file for test outputs.
Marcelina Kościelnicka [Tue, 23 Mar 2021 13:47:32 +0000 (14:47 +0100)]
json: Improve the "processes in module" message a bit.
N. Engelhardt [Mon, 22 Mar 2021 18:16:25 +0000 (19:16 +0100)]
split CodingReadme into multiple files
Xiretza [Thu, 18 Mar 2021 20:53:02 +0000 (21:53 +0100)]
verilog: check entire user type stack for type definition
Zachary Snow [Thu, 18 Mar 2021 17:38:25 +0000 (13:38 -0400)]
sv: allow typenames as function return types
Miodrag Milanović [Fri, 19 Mar 2021 07:47:07 +0000 (08:47 +0100)]
Merge pull request #2681 from msinger/fix-issue2606
Fix check for bad std::regex
Xiretza [Tue, 16 Mar 2021 15:42:14 +0000 (16:42 +0100)]
verilog: rebuild user_type_stack from globals before parsing file
This was actually a ticking UB bomb: after running the parser, the type
maps contain pointers to children of the current AST, which is
recursively deleted after the pass has executed. This leaves the
pointers in user_type_stack dangling, which just happened to never be a
problem due to another bug that causes typedefs from higher-level type
maps to never be considered.
Rebuilding the type stack from the design's globals ensures the AstNode
pointers are valid.
Marcelina Kościelnicka [Wed, 17 Mar 2021 18:32:50 +0000 (19:32 +0100)]
Add simple CI using github actions.
Xiretza [Mon, 15 Mar 2021 14:55:18 +0000 (15:55 +0100)]
modtools: fix use-after-free of cell pointers in ModWalker
cell_inputs and cell_outputs retain cell pointers as their keys across
invocations of setup(), which may however be invalidated in the meantime
(as happens in e.g. passes/opt/share.cc:1432). A later rehash of the
dicts (caused by inserting in ModWalker::add_wire()) will cause them to
be dereferenced.
Lofty [Wed, 17 Mar 2021 02:34:30 +0000 (02:34 +0000)]
quicklogic: PolarPro 3 support
Co-authored-by: Grzegorz Latosiński <glatosinski@antmicro.com>
Co-authored-by: Maciej Kurc <mkurc@antmicro.com>
Co-authored-by: Tarachand Pagarani <tpagarani@quicklogic.com>
Co-authored-by: Lalit Sharma <lsharma@quicklogic.com>
Co-authored-by: kkumar23 <kkumar@quicklogic.com>
Marcelina Kościelnicka [Wed, 17 Mar 2021 17:30:49 +0000 (18:30 +0100)]
ast: Use better parameter serialization for paramod names.
Calling log_signal is problematic for several reasons:
- with recent changes, empty string is serialized as { }, which violates
the "no spaces in IdString" rule
- the type (plain / real / signed / string) is dropped, wrongly conflating
functionally different values and potentially introducing a subtle
elaboration bug
Instead, use a custom simple serialization scheme.
Michael Singer [Wed, 17 Mar 2021 22:22:50 +0000 (23:22 +0100)]
Fix check for bad std::regex (fixes #2606)
gatecat [Wed, 17 Mar 2021 12:16:53 +0000 (12:16 +0000)]
Blackbox all whiteboxes after synthesis
This prevents issues like processes in whiteboxes triggering an error in
the JSON backend.
Signed-off-by: gatecat <gatecat@ds0.me>
Zachary Snow [Tue, 16 Mar 2021 14:54:22 +0000 (10:54 -0400)]
bugpoint: add runner option
Zachary Snow [Tue, 16 Mar 2021 15:06:40 +0000 (11:06 -0400)]
sv: carry over global typedefs from previous files
This breaks the ability to use a global typename as a standard
identifier in a subsequent input file. This is otherwise backwards
compatible, including for sources which previously included conflicting
typedefs in each input file.
Xiretza [Tue, 16 Mar 2021 23:18:36 +0000 (00:18 +0100)]
verilog: fix buf/not primitives with multiple outputs
From IEEE1364-2005, section 7.3 buf and not gates:
> These two logic gates shall have one input and one or more outputs.
> The last terminal in the terminal list shall connect to the input of the
> logic gate, and the other terminals shall connect to the outputs of
> the logic gate.
yosys does not follow this and instead interprets the first argument as
the output, the second as the input and ignores the rest.
gatecat [Wed, 17 Mar 2021 12:06:09 +0000 (12:06 +0000)]
blackbox: Include whiteboxed modules
Signed-off-by: gatecat <gatecat@ds0.me>
Lofty [Wed, 17 Mar 2021 02:43:25 +0000 (02:43 +0000)]
Replace assert in get_reference with more useful error message
Zachary Snow [Thu, 4 Mar 2021 19:07:56 +0000 (14:07 -0500)]
verilog: support module scope identifiers in parametric modules
Marcelina Kościelnicka [Tue, 9 Mar 2021 19:42:14 +0000 (20:42 +0100)]
json: Add support for memories.
Previously, memories were silently discarded by the JSON backend, making
round-tripping modules with them crash.
Since there are already some users using JSON to implement custom
external passes that use memories (and infer width/size from memory
ports), let's fix this by just making JSON backend and frontend support
memories as first-class objects.
Processes are still not supported, and will now cause a hard error.
Fixes #1908.
Marcelina Kościelnicka [Fri, 12 Mar 2021 16:05:39 +0000 (17:05 +0100)]
proc_arst: Add special-casing of clock signal in conditionals.
The already-existing special case for conditionals on clock has been
remade as follows:
- now triggered for the last remaining edge trigger after all others
have been converted to async reset, not just when there is only one
sync rule in the first place
- does not require all contained assignments to be constant, as opposed
to a reset conditional — merely const-folds the condition
In addition, the code has been refactored a bit; as a bonus, the
priority order of async resets found is now preserved in resulting sync
rule ordering (though this is not yet respected by proc_dff).
Fixes #2656.
Marcelina Kościelnicka [Tue, 9 Mar 2021 20:32:16 +0000 (21:32 +0100)]
opt_clean: Remove init attribute bits together with removed DFFs.
Fixes #2546.
Marcelina Kościelnicka [Tue, 9 Mar 2021 01:54:56 +0000 (02:54 +0100)]
rtlil: Disallow 0-width chunks in SigSpec.
Among other problems, this also fixes equality comparisons between
SigSpec by enforcing a canonical form.
Also fix another minor issue with possible non-canonical SigSpec.
Fixes #2623.
whitequark [Sun, 14 Mar 2021 15:02:16 +0000 (15:02 +0000)]
Merge pull request #2658 from zachjs/parameters-across-files
sv: allow globals in one file to depend on globals in another
Zachary Snow [Thu, 11 Mar 2021 18:05:04 +0000 (13:05 -0500)]
sv: allow globals in one file to depend on globals in another
This defers the simplification of globals so that globals in one file
may depend on globals in other files. Adds a simplify() call downstream
because globals are appended at the end.
whitequark [Fri, 12 Mar 2021 01:34:06 +0000 (01:34 +0000)]
Merge pull request #2653 from zachjs/global-parameter
verilog: disallow overriding global parameters
whitequark [Thu, 11 Mar 2021 20:01:10 +0000 (20:01 +0000)]
Merge pull request #2642 from whitequark/cxxrtl-noproc-fixes
CXXRTL: some -noproc fixes
Zachary Snow [Thu, 11 Mar 2021 16:49:15 +0000 (11:49 -0500)]
verilog: disallow overriding global parameters
It was previously possible to override global parameters on a
per-instance basis. This could be dangerous when using positional
parameter bindings, hiding oversupplied parameters.
Miodrag Milanovic [Thu, 11 Mar 2021 14:56:32 +0000 (15:56 +0100)]
Add _pm.h files to GENLIST, fixes vcxsrc target
Dan Ravensloft [Wed, 10 Mar 2021 19:31:55 +0000 (19:31 +0000)]
Replace assert in xaiger with more useful error message
whitequark [Tue, 9 Mar 2021 00:36:03 +0000 (16:36 -0800)]
Merge pull request #2643 from zachjs/fix-param-no-default-log
Fix param without default log line
Marcelina Kościelnicka [Mon, 8 Mar 2021 19:18:11 +0000 (20:18 +0100)]
Bump version
Marcelina Kościelnicka [Tue, 23 Feb 2021 18:42:51 +0000 (19:42 +0100)]
memory_dff: Remove now-useless write port handling.
Marcelina Kościelnicka [Tue, 23 Feb 2021 15:48:29 +0000 (16:48 +0100)]
verilog: Use proc memory writes in the frontend.
Marcelina Kościelnicka [Mon, 22 Feb 2021 23:21:46 +0000 (00:21 +0100)]
Add support for memory writes in processes.
Marcelina Kościelnicka [Mon, 1 Mar 2021 19:01:39 +0000 (20:01 +0100)]
sim: Avoid a crash on empty cell connection.
Fixes #2513.
Marcelina Kościelnicka [Sat, 6 Mar 2021 02:59:03 +0000 (03:59 +0100)]
proc_dff: Fix emitted FF when a register is not assigned in async reset
Fixes #2619.
Marcelina Kościelnicka [Fri, 5 Mar 2021 00:23:25 +0000 (01:23 +0100)]
memory_dff: Remove code looking for $mux cells.
This job is now performed by `opt_dff`, which runs before this pass.
Marcelina Kościelnicka [Thu, 4 Mar 2021 16:55:57 +0000 (17:55 +0100)]
tests/bram: Do not generate write address collisions.
These have no defined semantics, making the tests non-deterministic.
Zachary Snow [Sun, 7 Mar 2021 21:06:25 +0000 (16:06 -0500)]
Fix param without default log line
Dan Ravensloft [Fri, 5 Mar 2021 22:13:15 +0000 (22:13 +0000)]
Replace assert in abc9_ops with more useful error message
whitequark [Sun, 7 Mar 2021 14:29:30 +0000 (14:29 +0000)]
cxxrtl: don't assert on edge sync rules tied to a constant.
These are commonly the result of tying an async reset to an inactive
level.
whitequark [Sun, 7 Mar 2021 14:28:45 +0000 (14:28 +0000)]
cxxrtl: allow `always` sync rules in debug_eval.
These can be produced from `always @*` processes, if `-noproc`
is used.
whitequark [Sun, 7 Mar 2021 13:48:03 +0000 (05:48 -0800)]
Merge pull request #2626 from zachjs/param-no-default
sv: support for parameters without default values
whitequark [Sun, 7 Mar 2021 11:45:41 +0000 (03:45 -0800)]
Merge pull request #2632 from zachjs/width-limit
verilog: impose limit on maximum expression width
Zachary Snow [Wed, 3 Mar 2021 19:36:19 +0000 (14:36 -0500)]
sv: fix some edge cases for unbased unsized literals
- Fix explicit size cast of unbased unsized literals
- Fix unbased unsized literal bound directly to port
- Output `is_unsized` flag in `dumpAst`
Marcelina Kościelnicka [Sat, 6 Mar 2021 10:05:57 +0000 (11:05 +0100)]
proc_clean: Fix empty case removal conditions.
Fixes #2639.
Marcelina Kościelnicka [Sat, 6 Mar 2021 00:18:24 +0000 (01:18 +0100)]
Remove a few functions that, in fact, did not exist in the first place.
Dan Ravensloft [Fri, 5 Mar 2021 21:45:11 +0000 (21:45 +0000)]
Replace assert in addModule with more useful error message
whitequark [Fri, 5 Mar 2021 13:30:19 +0000 (05:30 -0800)]
Merge pull request #2635 from whitequark/cxxrtl-memrd-async-addr
cxxrtl: follow aliases to outlines when emitting $memrd.ADDR
whitequark [Fri, 5 Mar 2021 12:57:22 +0000 (04:57 -0800)]
Merge pull request #2634 from whitequark/cxxrtl-debug-wire-types
cxxrtl: add pass debug flag to show assigned wire types
whitequark [Fri, 5 Mar 2021 12:14:07 +0000 (04:14 -0800)]
Merge pull request #2633 from whitequark/cxxrtl-no-top
cxxrtl: don't crash on empty designs
whitequark [Fri, 5 Mar 2021 12:08:48 +0000 (12:08 +0000)]
cxxrtl: follow aliases to outlines when emitting $memrd.ADDR.
whitequark [Fri, 5 Mar 2021 11:44:39 +0000 (11:44 +0000)]
cxxrtl: add pass debug flag to show assigned wire types.
Refs #2543.
whitequark [Fri, 5 Mar 2021 11:05:19 +0000 (11:05 +0000)]
cxxrtl: don't crash on empty designs.
Zachary Snow [Thu, 4 Mar 2021 20:08:16 +0000 (15:08 -0500)]
verilog: impose limit on maximum expression width
Designs with unreasonably wide expressions would previously get stuck
allocating memory forever.
Claire Xen [Thu, 4 Mar 2021 15:45:21 +0000 (16:45 +0100)]
Update command-reference-manual.tex
Claire Xen [Thu, 4 Mar 2021 15:43:30 +0000 (16:43 +0100)]
Update README
Zachary Snow [Tue, 2 Mar 2021 15:43:53 +0000 (10:43 -0500)]
sv: support for parameters without default values
- Modules with a parameter without a default value will be automatically
deferred until the hierarchy pass
- Allows for parameters without defaults as module items, rather than
just int the `parameter_port_list`, despite being forbidden in the LRM
- Check for parameters without defaults that haven't been overriden
- Add location info to parameter/localparam declarations
whitequark [Tue, 2 Mar 2021 06:46:07 +0000 (22:46 -0800)]
Merge pull request #2620 from zachjs/port-int-types
verilog: fix sizing of ports with int types in module headers
Zachary Snow [Mon, 1 Mar 2021 18:31:25 +0000 (13:31 -0500)]
verilog: fix sizing of ports with int types in module headers
Declaring the ports as standard module items already worked as expected.
This adds a missing usage of `checkRange()` so that headers such as
`module m(output integer x);` now work correctly.
Marcelina Kościelnicka [Mon, 1 Mar 2021 18:33:05 +0000 (19:33 +0100)]
Bump version
Zachary Snow [Thu, 25 Feb 2021 20:53:55 +0000 (15:53 -0500)]
verilog: fix handling of nested ifdef directives
- track depth so we know whether to consider higher-level elsifs
- error on unmatched endif/elsif/else
Zachary Snow [Wed, 10 Feb 2021 00:58:15 +0000 (19:58 -0500)]
Set aside extraneous tests in simple_abc9 test suite
New test cases on one branch may be automatically copied from simple/ to
simple_abc9/, causing failures when switching to another branch. This
updates the simple_abc9 script to set aside extraneous tests in a
non-destructive way.
Claire Xen [Mon, 1 Mar 2021 17:00:48 +0000 (18:00 +0100)]
Merge pull request #2523 from tomverbeure/define_synthesis
Add -nosynthesis flag for read_verilog command
Claire Xen [Mon, 1 Mar 2021 16:46:33 +0000 (17:46 +0100)]
Merge pull request #2524 from bkbncn/patch-1
Add boost-python3
whitequark [Mon, 1 Mar 2021 16:10:32 +0000 (08:10 -0800)]
Merge pull request #2617 from RobertBaruch/doc
RTLIL Documentation: switch in process is optional
whitequark [Mon, 1 Mar 2021 16:10:19 +0000 (08:10 -0800)]
Merge pull request #2615 from zachjs/genrtlil-conflict
genrtlil: improve name conflict error messaging
whitequark [Mon, 1 Mar 2021 04:29:44 +0000 (20:29 -0800)]
Merge pull request #2618 from zachjs/int-types
sv: extended support for integer types
Zachary Snow [Sun, 28 Feb 2021 20:49:16 +0000 (15:49 -0500)]
sv: extended support for integer types
- Standard data declarations can now use any integer type
- Parameters and localparams can now use any integer type
- Function returns types can now use any integer type
- Fix `parameter logic`, `localparam reg`, etc. to be 1 bit (previously 32 bits)
- Added longint type (64 bits)
- Unified parser source for integer type widths
Robert Baruch [Sat, 27 Feb 2021 17:58:03 +0000 (09:58 -0800)]
RTLIL Documentation: switch in process is optional
Claire Xen [Sat, 27 Feb 2021 15:52:30 +0000 (16:52 +0100)]
Update issue_template.md
Zachary Snow [Fri, 26 Feb 2021 23:08:23 +0000 (18:08 -0500)]
genrtlil: improve name conflict error messaging
Michael Singer [Thu, 25 Feb 2021 00:21:36 +0000 (01:21 +0100)]
Add tests for $countbits
Michael Singer [Tue, 23 Feb 2021 00:19:06 +0000 (01:19 +0100)]
Implement $countones, $isunknown and $onehot{,0}
Michael Singer [Mon, 22 Feb 2021 23:55:55 +0000 (00:55 +0100)]
Implement $countbits function
Zachary Snow [Thu, 25 Feb 2021 21:02:55 +0000 (16:02 -0500)]
Extend simplify() recursion warning
Marcelina Kościelnicka [Thu, 25 Feb 2021 23:24:33 +0000 (00:24 +0100)]
Bump version
whitequark [Thu, 25 Feb 2021 21:54:16 +0000 (13:54 -0800)]
Merge pull request #2554 from hzeller/master
Fix digit-formatting calculation for small numbers.
Marcelina Kościelnicka [Tue, 23 Feb 2021 11:06:21 +0000 (12:06 +0100)]
btor, smt2, smv: Add a hint on how to deal with funny FF types.
Marcelina Kościelnicka [Mon, 22 Feb 2021 18:19:42 +0000 (19:19 +0100)]
Fix handling of unique/unique0/priority cases in the frontend.
Basically:
- priority converts to (* full_case *)
- unique0 converts to (* parallel_case *)
- unique converts to (* parallel_case, full_case *)
Fixes #2596.
TimRudy [Wed, 24 Feb 2021 20:48:15 +0000 (15:48 -0500)]
Extend "delay" expressions to handle pair and triplet, i.e. rise, fall and turn-off (#2566)
whitequark [Wed, 24 Feb 2021 19:12:56 +0000 (19:12 +0000)]
Merge pull request #2607 from zachjs/logger-error-atexit
Fix double-free on unmatched logger error pattern
Zachary Snow [Wed, 24 Feb 2021 01:39:13 +0000 (20:39 -0500)]
Fix double-free on unmatched logger error pattern
When an expected logger error pattern is unmatched, the logger raises
another (hidden) error. Because of the previous ordering of actions,
`logv_error_with_prefix()` would inadvertently invoke `yosys_atexit()`
twice, causing a double-free.
Marcelina Kościelnicka [Tue, 23 Feb 2021 20:23:26 +0000 (21:23 +0100)]
Add tests for some common techmap files.
Marcelina Kościelnicka [Tue, 23 Feb 2021 11:12:37 +0000 (12:12 +0100)]
Fix syntax error in
adff2dff.v
Fixes #2600.