Marcelina Kościelnicka [Tue, 27 Jul 2021 13:24:48 +0000 (15:24 +0200)]
opt_expr: Propagate constants to port connections.
This adds one simple piece of functionality to opt_expr: when a cell
port is connected to a fully-constant signal (as determined by sigmap),
the port is reconnected directly to the constant value. This is just
enough optimization to fix the "non-constant $meminit input" problem
without requiring a full opt_clean or a separate pass.
github-actions[bot] [Tue, 27 Jul 2021 00:52:14 +0000 (00:52 +0000)]
Bump version
Miodrag Milanovic [Mon, 26 Jul 2021 09:25:32 +0000 (11:25 +0200)]
Add version bump workflow
Miodrag Milanovic [Wed, 21 Jul 2021 07:46:53 +0000 (09:46 +0200)]
Update to latest verific
Rupert Swarbrick [Mon, 19 Jul 2021 08:23:41 +0000 (09:23 +0100)]
Use new read_id_num helper function elsewhere in hierarchy.cc
Rupert Swarbrick [Wed, 27 May 2020 14:54:42 +0000 (15:54 +0100)]
Extract connection checking logic from expand_module in hierarchy.cc
No functional change, but pulls more logic out of the expand_module
function.
whitequark [Tue, 20 Jul 2021 13:12:11 +0000 (13:12 +0000)]
Merge pull request #2885 from whitequark/cxxrtl-fix-2883
cxxrtl: treat wires with multiple defs as not inlinable
whitequark [Tue, 20 Jul 2021 13:12:03 +0000 (13:12 +0000)]
Merge pull request #2884 from whitequark/cxxrtl-fix-2882
cxxrtl: treat assignable internal wires used only for debug as locals
whitequark [Tue, 20 Jul 2021 10:30:39 +0000 (10:30 +0000)]
cxxrtl: treat wires with multiple defs as not inlinable.
Fixes #2883.
whitequark [Tue, 20 Jul 2021 10:10:42 +0000 (10:10 +0000)]
cxxrtl: treat assignable internal wires used only for debug as locals.
This issue was introduced in commit
4aa65f40 while fixing #2739.
Fixes #2882.
whitequark [Tue, 20 Jul 2021 09:30:08 +0000 (09:30 +0000)]
Merge pull request #2881 from whitequark/cxxrtl-sideways-colon
cxxrtl: escape colon in variable names in VCD writer
whitequark [Mon, 19 Jul 2021 16:20:49 +0000 (16:20 +0000)]
cxxrtl: escape colon in variable names in VCD writer.
The following VCD file crashes GTKWave's VCD loader:
$var wire 1 ! x:1 $end
$enddefinitions $end
In practice, a colon can be a part of a variable name that is
translated from a Verilog function, something like:
update$func$.../hdl/hazard3_csr.v:350$2534.$result
whitequark [Sun, 18 Jul 2021 07:35:23 +0000 (07:35 +0000)]
Merge pull request #2880 from whitequark/cxxrtl-fix-2877
cxxrtl: add debug_item::{get,set}
whitequark [Sun, 18 Jul 2021 06:07:27 +0000 (06:07 +0000)]
cxxrtl: add debug_item::{get,set}.
Fixes #2877.
whitequark [Sat, 17 Jul 2021 17:22:15 +0000 (17:22 +0000)]
Merge pull request #2879 from whitequark/cxxrtl-fix-2739-again
cxxrtl: treat internal wires used only for debug as constants
whitequark [Sat, 17 Jul 2021 14:23:57 +0000 (14:23 +0000)]
cxxrtl: treat internal wires used only for debug as constants.
Fixes #2739 (again).
Rupert Swarbrick [Thu, 21 May 2020 16:36:29 +0000 (17:36 +0100)]
Add support for parsing the SystemVerilog 'bind' construct
This doesn't do anything useful yet: the patch just adds support for
the syntax to the lexer and parser and adds some tests to check the
syntax parses properly. This generates AST nodes, but doesn't yet
generate RTLIL.
Since our existing hierarchical_identifier parser doesn't allow bit
selects (so you can't do something like foo[1].bar[2].baz), I've also
not added support for a trailing bit select (the "constant_bit_select"
non-terminal in "bind_target_instance" in the spec). If we turn out to
need this in future, we'll want to augment hierarchical_identifier and
its other users too.
Note that you can't easily use the BNF from the spec:
bind_directive ::=
"bind" bind_target_scope [ : bind_target_instance_list]
bind_instantiation ;
| "bind" bind_target_instance bind_instantiation ;
even if you fix the lookahead problem, because code like this matches
both branches in the BNF:
bind a b b_i (.*);
The problem is that 'a' could either be a module name or a degenerate
hierarchical reference. This seems to be a genuine syntactic
ambiguity, which the spec resolves (p739) by saying that we have to
wait until resolution time (the hierarchy pass) and take whatever is
defined, treating 'a' as an instance name if it names both an instance
and a module.
To keep the parser simple, it currently accepts this invalid syntax:
bind a.b : c d e (.*);
This is invalid because we're in the first branch of the BNF above, so
the "a.b" term should match bind_target_scope: a module or interface
identifier, not an arbitrary hierarchical identifier.
This will fail in the hierarchy pass (when it's implemented in a
future patch).
whitequark [Fri, 16 Jul 2021 11:12:19 +0000 (11:12 +0000)]
Merge pull request #2874 from whitequark/cxxrtl-fix-2589
cxxrtl: run hierarchy pass regardless of (*top*) attribute presence
whitequark [Fri, 16 Jul 2021 11:01:10 +0000 (11:01 +0000)]
Merge pull request #2873 from whitequark/cxxrtl-fix-2500
cxxrtl: emit debug items for unused public wires
whitequark [Fri, 16 Jul 2021 10:34:30 +0000 (10:34 +0000)]
Merge pull request #2872 from whitequark/cxxrtl-fix-2521
cxxrtl: don't expect user cell inputs to be wires
whitequark [Fri, 16 Jul 2021 10:27:47 +0000 (10:27 +0000)]
cxxrtl: run hierarchy pass regardless of (*top*) attribute presence.
The hierarchy pass does a lot more than just finding the top module,
mainly resolving implicit (positional, wildcard) module connections.
Fixes #2589.
whitequark [Fri, 16 Jul 2021 10:05:24 +0000 (10:05 +0000)]
cxxrtl: emit debug items for unused public wires.
This greatly improves debug information coverage.
Fixes #2500.
whitequark [Fri, 16 Jul 2021 09:51:15 +0000 (09:51 +0000)]
cxxrtl: don't expect user cell inputs to be wires.
Ports can be connected to constants, too. (Usually resets.)
Fixes #2521.
whitequark [Fri, 16 Jul 2021 08:33:30 +0000 (08:33 +0000)]
Merge pull request #2871 from whitequark/cxxrtl-fix-2540-2841
cxxrtl: don't mark buffered internal wires as UNUSED for debug
whitequark [Fri, 16 Jul 2021 07:36:18 +0000 (07:36 +0000)]
cxxrtl: don't mark buffered internal wires as UNUSED for debug.
Public wires may alias buffered internal wires, so keep BUFFERED
wires in debug information even if they are private. Debug items are
only created for public wires, so this does not otherwise affect how
debug information is emitted.
Fixes #2540.
Fixes #2841.
whitequark [Fri, 16 Jul 2021 00:13:16 +0000 (00:13 +0000)]
Merge pull request #2870 from whitequark/cxxrtl-fix-2739
cxxrtl: mark dead local wires as unused even with inlining disabled
whitequark [Thu, 15 Jul 2021 22:27:27 +0000 (22:27 +0000)]
cxxrtl: mark dead local wires as unused even with inlining disabled.
Fixes #2739.
Zachary Snow [Tue, 22 Jun 2021 14:39:57 +0000 (10:39 -0400)]
sv: fix two struct access bugs
- preserve signedness of struct members
- fix initial width detection of struct members (e.g., in case expressions)
Rupert Swarbrick [Wed, 14 Jul 2021 16:27:13 +0000 (17:27 +0100)]
Add a test for interfaces on modules loaded on-demand
Rupert Swarbrick [Wed, 27 May 2020 09:42:37 +0000 (10:42 +0100)]
Extract missing module support in hierarchy.cc to a helper function
I think the code is now a bit easier to follow (and has lost some
levels of indentation!).
The only non-trivial change is that I removed the check for
cell->type[0] != '$' when deciding whether to complain if we couldn't
find a module. This will always be true because of the early exit
earlier in the function.
whitequark [Wed, 14 Jul 2021 12:00:30 +0000 (12:00 +0000)]
Merge pull request #2866 from rswarbrick/found-init
Delete unused found_init variable
Rupert Swarbrick [Wed, 14 Jul 2021 09:19:07 +0000 (10:19 +0100)]
Delete unused found_init variable
Spotted during compilation:
passes/proc/proc_init.cc: In function ‘void {anonymous}::proc_init(Yosys::RTLIL::Module*, Yosys::SigMap&, Yosys::RTLIL::Process*)’:
passes/proc/proc_init.cc:31:7: warning: variable ‘found_init’ set but not used [-Wunused-but-set-variable]
Marcelina Kościelnicka [Mon, 12 Jul 2021 18:04:59 +0000 (20:04 +0200)]
kernel/mem: Add a coalesce_inits helper.
While this helper is already useful to squash sequential initializations
into one in cxxrtl, its main purpose is to squash overlapping masked memory
initializations (when they land) and avoid having to deal with them in
cxxrtl runtime.
GCHQDeveloper560 [Wed, 16 Jun 2021 12:19:43 +0000 (13:19 +0100)]
Add support for the Bitwuzla solver
Marcelina Kościelnicka [Mon, 12 Jul 2021 15:10:40 +0000 (17:10 +0200)]
kernel/mem: Use delayed removal for inits as well.
Marcelina Kościelnicka [Mon, 12 Jul 2021 15:40:12 +0000 (17:40 +0200)]
kernel/mem: Add documentation for more helper functions.
Marcelina Kościelnicka [Sun, 11 Jul 2021 23:00:57 +0000 (01:00 +0200)]
cxxrtl: Support memory writes in processes.
Marcelina Kościelnicka [Sat, 10 Jul 2021 21:47:01 +0000 (23:47 +0200)]
cxxrtl: Add support for memory read port reset.
Marcelina Kościelnicka [Sat, 10 Jul 2021 12:33:16 +0000 (14:33 +0200)]
cxxrtl: Add support for mem read port initial data.
Marcelina Kościelnicka [Sat, 10 Jul 2021 01:55:51 +0000 (03:55 +0200)]
cxxrtl: Convert to Mem helpers.
This *only* does conversion, but doesn't add any new functionality —
support for memory read port init/reset is still upcoming.
Marcelina Kościelnicka [Mon, 12 Jul 2021 04:26:13 +0000 (06:26 +0200)]
kernel/mem: Commit new values of attributes in emit.
Marcelina Kościelnicka [Mon, 12 Jul 2021 00:11:54 +0000 (02:11 +0200)]
kernel/mem: Make the Mem helpers inherit from AttrObject.
Marcelina Kościelnicka [Sun, 11 Jul 2021 21:57:53 +0000 (23:57 +0200)]
rtlil: Make Process handling more uniform with Cell and Wire.
- add a backlink to module from Process
- make constructor and destructor protected, expose Module functions
to add and remove processes
Marcelina Kościelnicka [Sat, 10 Jul 2021 18:46:48 +0000 (20:46 +0200)]
ice40: Fix LUT input indices in opt_lut -dlogic (again).
Fixes #2061.
Miodrag Milanovic [Fri, 9 Jul 2021 07:02:27 +0000 (09:02 +0200)]
Update to latest Verific with extensions for initial assertions
Zachary Snow [Thu, 17 Jun 2021 19:59:59 +0000 (15:59 -0400)]
sv: fix a few struct and enum memory leaks
gatecat [Tue, 6 Jul 2021 10:46:45 +0000 (11:46 +0100)]
ecp5: Add DCSC blackbox
Signed-off-by: gatecat <gatecat@ds0.me>
Claire Xen [Mon, 5 Jul 2021 14:59:37 +0000 (16:59 +0200)]
Merge pull request #2835 from YosysHQ/verific_command
Support command files in Verific
Xiretza [Tue, 16 Mar 2021 15:41:31 +0000 (16:41 +0100)]
Makefile: allow running multiple sanitizers at once
Xiretza [Mon, 14 Jun 2021 11:54:47 +0000 (13:54 +0200)]
Makefile: use git/make -C instead of cd
Xiretza [Mon, 14 Jun 2021 10:16:19 +0000 (12:16 +0200)]
Makefile: pass PRETTY=0 to ABC
Xiretza [Mon, 14 Jun 2021 09:35:38 +0000 (11:35 +0200)]
Makefile: don't bake DESTDIR into libyosys DT_SONAME
DESTDIR is only used as a temporary destination for installed files
before they are packaged into an archive; the "real" installed location
is determined by PREFIX/{BIN,LIB,DAT}DIR.
Xiretza [Mon, 14 Jun 2021 06:55:22 +0000 (08:55 +0200)]
Makefile: clean up PYOSYS configuration
Miodrag Milanovic [Mon, 5 Jul 2021 07:16:54 +0000 (09:16 +0200)]
Add additional help
whitequark [Sat, 19 Jun 2021 12:10:29 +0000 (12:10 +0000)]
Merge pull request #2842 from whitequark/fix-wasi-build
Fix WASI build after commit
1d88bea1
whitequark [Sat, 19 Jun 2021 02:59:57 +0000 (02:59 +0000)]
Fix WASI build after commit
1d88bea1.
Miodrag Milanović [Fri, 18 Jun 2021 10:07:50 +0000 (12:07 +0200)]
Merge pull request #2836 from YosysHQ/gatecat/pyosys-sigint
pyosys: Clear SIGINT handler after Python loads
Rupert Swarbrick [Tue, 26 May 2020 16:46:10 +0000 (17:46 +0100)]
Move interface expansion in hierarchy.cc into a helper class
There should be no functional change, but this splits up the control
flow across functions, using class fields to hold the state that's
being tracked. The result should be a bit easier to read.
This is part of work to add bind support, but I'm doing some
refactoring in the hierarchy pass to make the code a bit easier to
work with. The idea is that (eventually) the IFExpander object will
hold all the logic for expanding interfaces, and then other code can
do bind insertion.
Zachary Snow [Mon, 14 Jun 2021 19:32:01 +0000 (15:32 -0400)]
sv: fix up end label checking
- disallow [gen]blocks with an end label but not begin label
- check validity of module end label
- fix memory leak of package name and end label
- fix memory leak of module end label
Ashton Snelgrove [Wed, 16 Jun 2021 19:47:47 +0000 (13:47 -0600)]
Include blif reader header in public facing extension header files.
gatecat [Wed, 16 Jun 2021 11:34:36 +0000 (12:34 +0100)]
pyosys: Clear SIGINT handler after Python loads
Signed-off-by: gatecat <gatecat@ds0.me>
Miodrag Milanovic [Wed, 16 Jun 2021 09:21:44 +0000 (11:21 +0200)]
Support command files in Verific
Xiretza [Thu, 18 Mar 2021 20:52:06 +0000 (21:52 +0100)]
verilog: fix leaking of type names in parser
Xiretza [Thu, 18 Mar 2021 09:38:36 +0000 (10:38 +0100)]
verilog: fix wildcard port connections leaking memory
Xiretza [Tue, 16 Mar 2021 23:14:27 +0000 (00:14 +0100)]
ast: delete wires and localparams after finishing const evaluation
Xiretza [Tue, 16 Mar 2021 15:43:03 +0000 (16:43 +0100)]
verilog: fix leaking ASTNodes
Xiretza [Tue, 16 Mar 2021 23:08:43 +0000 (00:08 +0100)]
ast: fix error condition causing assert to fail
type2str returns a string that doesn't start with $ or \, so it can't be
assigned to an IdString.
Zachary Snow [Mon, 14 Jun 2021 15:59:01 +0000 (11:59 -0400)]
macos: fix leak in proc_self_dirname()
Rupert Swarbrick [Mon, 20 Apr 2020 14:58:30 +0000 (15:58 +0100)]
Simplify some RTLIL destructors
No change in behaviour, but use range-based for loops instead of
iterators.
Marcelina Kościelnicka [Mon, 14 Jun 2021 14:28:10 +0000 (16:28 +0200)]
verilog: Squash a memory leak.
That was added in
ecc22f7fedfa639482dbc55a05709da85116a60f
Marcelina Kościelnicka [Fri, 11 Jun 2021 10:19:21 +0000 (12:19 +0200)]
Add regression test for #2824.
gatecat [Fri, 11 Jun 2021 10:11:12 +0000 (11:11 +0100)]
opt_muxtree: Update port_off and port_idx even for constant bits
Signed-off-by: gatecat <gatecat@ds0.me>
Marcelina Kościelnicka [Wed, 9 Jun 2021 16:41:57 +0000 (18:41 +0200)]
opt_expr: Fix mul/div/mod by POT patterns to support >= 32 bits.
The previous code, in addition to being needlessly limitted to 32 bits
in the first place, also had UB for the 31th bit (doing 1 << 31).
Marcelina Kościelnicka [Wed, 9 Jun 2021 14:14:16 +0000 (16:14 +0200)]
opt_expr: Optimize div/mod by const 1.
Turns out the code for div by a power of 2 is already almost capable of
optimizing this to a shift-by-0 or and-with-0, which will be further
folded into nothingness; let's beef it up to handle div by 1 as well.
Fixes #2820.
Claire Xen [Wed, 9 Jun 2021 11:22:52 +0000 (13:22 +0200)]
Merge pull request #2817 from YosysHQ/claire/fixemails
Fixing old e-mail addresses and deadnames
Claire Xenia Wolf [Wed, 9 Jun 2021 10:44:37 +0000 (12:44 +0200)]
Fix deadname SVN links
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
Claire Xenia Wolf [Wed, 9 Jun 2021 10:42:52 +0000 (12:42 +0200)]
Intersynth URL
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
Claire Xenia Wolf [Wed, 9 Jun 2021 10:40:33 +0000 (12:40 +0200)]
More deadname stuff
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
Claire Xenia Wolf [Wed, 9 Jun 2021 10:39:12 +0000 (12:39 +0200)]
Fix icestorm links
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
Claire Xenia Wolf [Wed, 9 Jun 2021 10:33:41 +0000 (12:33 +0200)]
More deadname stuff
Claire Xenia Wolf [Wed, 9 Jun 2021 10:16:56 +0000 (12:16 +0200)]
Use HTTPS for website links, gatecat email
git ls-tree -r --name-only HEAD | xargs sed -i -rf ~/fixemails.sed
s/((Claire|Xen|Xenia|Clifford)\s+)+(Wolf|Xen)\s+<(claire|clifford)@(symbioticeda.com|clifford.at|yosyshq.com)>/Claire Xenia Wolf <claire@yosyshq.com>/gi;
s/((Nina|Nak|N\.)\s+)+Engelhardt\s+<nak@(symbioticeda.com|yosyshq.com)>/N. Engelhardt <nak@yosyshq.com>/gi;
s/((David)\s+)+(Shah|gatecat)\s+<(dave|david|gatecat)@(symbioticeda.com|yosyshq.com|ds0.me)>/gatecat <gatecat@ds0.me>/gi;
s/((Miodrag)\s+)+Milanovic\s+<(miodrag|micko)@(symbioticeda.com|yosyshq.com)>/Miodrag Milanovic <micko@yosyshq.com>/gi;
s,https?://www.clifford.at/yosys/|http://yosyshq.net/yosys/,https://yosyshq.net/yosys/,g;
Claire Xenia Wolf [Wed, 9 Jun 2021 10:16:33 +0000 (12:16 +0200)]
Fix files with CRLF line endings
Zachary Snow [Sat, 5 Jun 2021 20:21:09 +0000 (16:21 -0400)]
verilog: check for module scope identifiers during width detection
The recent fix for case expression width detection causes the width of
the expressions to be queried before they are simplified. Because the
logic supporting module scope identifiers only existed in simplify,
looking them up would fail during width detection. This moves the logic
to a common helper used in both simplify() and detectSignWidthWorker().
Zachary Snow [Wed, 26 May 2021 22:22:31 +0000 (18:22 -0400)]
mem2reg: tolerate out of bounds constant accesses
This brings the mem2reg behavior in line with the nomem2reg behavior.
Zachary Snow [Tue, 8 Jun 2021 16:06:32 +0000 (12:06 -0400)]
autoname: simple perf optimizations
Claire Xenia Wolf [Mon, 7 Jun 2021 22:39:36 +0000 (00:39 +0200)]
Fixing old e-mail addresses and deadnames
s/((Claire|Xen|Xenia|Clifford)\s+)+(Wolf|Xen)\s+<(claire|clifford)@(symbioticeda.com|clifford.at|yosyshq.com)>/Claire Xenia Wolf <claire@yosyshq.com>/gi;
s/((Nina|Nak|N\.)\s+)+Engelhardt\s+<nak@(symbioticeda.com|yosyshq.com)>/N. Engelhardt <nak@yosyshq.com>/gi;
s/((David)\s+)+Shah\s+<(dave|david)@(symbioticeda.com|yosyshq.com|ds0.me)>/David Shah <dave@ds0.me>/gi;
s/((Miodrag)\s+)+Milanovic\s+<(miodrag|micko)@(symbioticeda.com|yosyshq.com)>/Miodrag Milanovic <micko@yosyshq.com>/gi;
s,https?://www.clifford.at/yosys/,http://yosyshq.net/yosys/,g;
Claire Xenia Wolf [Mon, 7 Jun 2021 22:20:55 +0000 (00:20 +0200)]
Add claire deadname stuff to .mailmap
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
Zachary Snow [Thu, 27 May 2021 20:47:02 +0000 (16:47 -0400)]
sv: support tasks and functions within packages
Marcelina Kościelnicka [Mon, 31 May 2021 23:48:35 +0000 (01:48 +0200)]
kernel/mem: Recognize some deprecated memory port configs.
Transparency is meaningless for asynchronous ports, so we assume
transparent == false to simplify the code in this case. Likewise,
enable is meaningless, and we assume it is const-1. However,
turns out that nMigen emits the former, and Verilog frontend emits
the latter, so squash these issues when ingesting a $memrd cell.
Fixes #2811.
Marcelina Kościelnicka [Mon, 31 May 2021 13:53:18 +0000 (15:53 +0200)]
memory_map: Improve start_offset handling.
Fixes #2775.
Marcelina Kościelnicka [Sun, 25 Oct 2020 23:44:37 +0000 (00:44 +0100)]
memory_share: Add read port merging.
This is mostly meant for wide port recognition, but may also happen to
merge some ports with compatible initial/reset values (eg. 0 vs x).
Marcelina Kościelnicka [Mon, 26 Oct 2020 02:20:57 +0000 (03:20 +0100)]
memory_share: Improve sat-based port sharing.
Marcelina Kościelnicka [Thu, 27 May 2021 21:43:25 +0000 (23:43 +0200)]
Make a few passes auto-call Mem::narrow instead of rejecting wide ports.
This essentially adds wide port support for free in passes that don't
have a usefully better way of handling wide ports than just breaking
them up to narrow ports, avoiding "please run memory_narrow" annoyance.
Marcelina Kościelnicka [Thu, 27 May 2021 15:50:59 +0000 (17:50 +0200)]
backends/verilog: Add support for memory read port reset and init value.
Marcelina Kościelnicka [Tue, 25 May 2021 23:18:29 +0000 (01:18 +0200)]
backends/verilog: Add wide port support.
Marcelina Kościelnicka [Sun, 25 Oct 2020 22:01:59 +0000 (23:01 +0100)]
memory_share: Improve same-address merging, recognize wide write ports.
Marcelina Kościelnicka [Wed, 26 May 2021 01:07:51 +0000 (03:07 +0200)]
kernel/mem: Add helpers for write port widening.
Marcelina Kościelnicka [Wed, 26 May 2021 00:49:50 +0000 (02:49 +0200)]
kernel/mem: Add sub_addr helpers.
Marcelina Kościelnicka [Wed, 26 May 2021 00:06:44 +0000 (02:06 +0200)]
kernel/mem: Add prepare_wr_merge helper.
Marcelina Kościelnicka [Tue, 25 May 2021 20:37:03 +0000 (22:37 +0200)]
backends/verilog: Try to preserve mem write port priorities.