Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 22:55:19 +0000 (22:55 +0000)]
input is a keyword in python
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 22:43:53 +0000 (22:43 +0000)]
cleanup chunk_size and list of steps in GRev
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 21:55:37 +0000 (21:55 +0000)]
add NLnet Grant References
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 21:52:14 +0000 (21:52 +0000)]
* moved the grev formal correctness assertions into the module
(under the protection of "if platform == formal")
* moved grev assert on internal variable (dut._steps) inside the
unit test process() function so that it is after the elaborate()
which is where ._steps gets created
(this keeps Grev._steps a private variable for unit tests only)
* added TODO comment about the copyright notice at the top of test_grev.py
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 12:24:07 +0000 (12:24 +0000)]
more code-comments on BitwiseLut
also minor rewrite/style to avoid yosys creating large copies
of expressions (store in temporary signals).
the temp signals have the advantage of drastically simplifying and
clarifying the yosys graphviz output, making it easier to visually
inspect the correctness of the HDL
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 12:22:27 +0000 (12:22 +0000)]
rewrite GRev. put in code-comments and some more TODOs
Jacob Lifshay [Fri, 17 Dec 2021 03:27:06 +0000 (19:27 -0800)]
clean up rest of grev.py docs
Jacob Lifshay [Fri, 17 Dec 2021 03:23:26 +0000 (19:23 -0800)]
clarify docs
Jacob Lifshay [Fri, 17 Dec 2021 03:14:33 +0000 (19:14 -0800)]
clarify docstring
Jacob Lifshay [Fri, 17 Dec 2021 03:12:54 +0000 (19:12 -0800)]
add grev test and formal proof
Jacob Lifshay [Fri, 17 Dec 2021 03:12:39 +0000 (19:12 -0800)]
clean up grev
Jacob Lifshay [Fri, 17 Dec 2021 01:37:26 +0000 (17:37 -0800)]
move do_sim and hash_256 to separate module
Jacob Lifshay [Fri, 17 Dec 2021 01:21:32 +0000 (17:21 -0800)]
add docs
Jacob Lifshay [Fri, 17 Dec 2021 01:20:50 +0000 (17:20 -0800)]
simplify lut.py
Luke Kenneth Casson Leighton [Sun, 12 Dec 2021 14:35:07 +0000 (14:35 +0000)]
whoops just step through i not list
Luke Kenneth Casson Leighton [Sun, 12 Dec 2021 14:32:24 +0000 (14:32 +0000)]
remove the pre-added array, remove the sub-function (sub-functions
are a bit... naff), accumulate the list on-demand, provide comments
about what that list is for
Luke Kenneth Casson Leighton [Sat, 11 Dec 2021 15:57:05 +0000 (15:57 +0000)]
more comments
reason: understanding lambda networks (aka butterfly aka generalised-rev)
is a bit of a pig
Luke Kenneth Casson Leighton [Sat, 11 Dec 2021 15:37:35 +0000 (15:37 +0000)]
some more hints/comments
Luke Kenneth Casson Leighton [Sat, 11 Dec 2021 15:29:09 +0000 (15:29 +0000)]
add some comments (locations for comments to be added)
Jacob Lifshay [Fri, 10 Dec 2021 23:42:11 +0000 (15:42 -0800)]
add initial grev implementation
Jacob Lifshay [Fri, 10 Dec 2021 23:30:44 +0000 (15:30 -0800)]
remove unused import
Luke Kenneth Casson Leighton [Wed, 8 Dec 2021 12:48:11 +0000 (12:48 +0000)]
fix to nmutil workaround for detecting new Simulator API
the engine argument if already provided, just use that
Luke Kenneth Casson Leighton [Mon, 6 Dec 2021 17:00:56 +0000 (17:00 +0000)]
add a PLRUs module which selects between multiple PLRUs
Jacob Lifshay [Thu, 2 Dec 2021 01:50:41 +0000 (17:50 -0800)]
add nmigen/_toolchain/__init__ as toolchain.py to avoid depending on internal API
Jacob Lifshay [Thu, 2 Dec 2021 01:44:22 +0000 (17:44 -0800)]
remove redundant overrides of stuff that's aready in unittest in python >=3.7
Jacob Lifshay [Thu, 2 Dec 2021 01:39:40 +0000 (17:39 -0800)]
add missing import Statement for assertRepr
Jacob Lifshay [Thu, 2 Dec 2021 01:26:13 +0000 (17:26 -0800)]
change FHDLTestCase to use get_test_path
Fixes the issue with FHDLTestCase sometimes using the same directory for
different test cases, causing problems for running tests in parallel.
Jacob Lifshay [Thu, 2 Dec 2021 01:24:18 +0000 (17:24 -0800)]
switch test_lut to use FHDLTestCase
Jacob Lifshay [Thu, 2 Dec 2021 01:03:38 +0000 (17:03 -0800)]
format code
Luke Kenneth Casson Leighton [Wed, 1 Dec 2021 13:27:38 +0000 (13:27 +0000)]
note about not setting the muxid in ReservationStations2
Luke Kenneth Casson Leighton [Sun, 28 Nov 2021 14:38:50 +0000 (14:38 +0000)]
update SRLatch API to include q_int
Jacob Lifshay [Wed, 17 Nov 2021 18:58:22 +0000 (10:58 -0800)]
add Array-based version of BitwiseLut, renaming old version to TreeBitwiseLut in case we need it
Jacob Lifshay [Wed, 17 Nov 2021 04:07:41 +0000 (20:07 -0800)]
add formal tests for BitwiseLut
Jacob Lifshay [Wed, 17 Nov 2021 03:08:35 +0000 (19:08 -0800)]
add BitwiseLut and tests
Luke Kenneth Casson Leighton [Mon, 8 Nov 2021 23:33:02 +0000 (23:33 +0000)]
return latchregister results so that it can be further set/modified
Luke Kenneth Casson Leighton [Sun, 7 Nov 2021 13:25:45 +0000 (13:25 +0000)]
allow name of ALU to be set in ReservationStations2
Luke Kenneth Casson Leighton [Sun, 7 Nov 2021 13:14:05 +0000 (13:14 +0000)]
reduce number of wait states in ReservationStations2 by detecting
opportunities for sending (and receiving) data immediately.
the previous version was a 4-cycle FSM. however it is perfectly
fine to detect, in the very first phase (as part of ACCEPTANCE),
if the ALU is already ready to accept. effectively this combines
phase 1 and phase 2. if the ALU was *not* ready then and only
then will a given FSM move to phase 2 (after buffering the data)
likewise, when data comes out of the ALU, there is an opportunity
to signal to the RS output that the data is in fact ready... *if*
the RS output was in fact waiting for it already. again, this
combines phase 3 and phase 4. again: if the RS output was not
ready, then a given FSM will move to phase 4 (again, after
buffering the data)
Luke Kenneth Casson Leighton [Sun, 7 Nov 2021 12:47:30 +0000 (12:47 +0000)]
fixed bug in MultiCompUnit, can return to combinatorial setting
https://bugs.libre-soc.org/show_bug.cgi?id=742
wrmask was interfering by being in too many places, and it is the
amalgamation of "data ok" signals. wrmask had to be set and left
set, in order for (unnecessary) determination of end of the requests
Luke Kenneth Casson Leighton [Thu, 4 Nov 2021 19:12:30 +0000 (19:12 +0000)]
bugfix new ReservationStations2
it is awful - horribly inefficient - but it "works"
lots of delays. but, it passes i.e. does not blow up or cause hanging
Luke Kenneth Casson Leighton [Thu, 4 Nov 2021 14:51:23 +0000 (14:51 +0000)]
update ReservationStations2 to be a FSM. not a very efficient one, no
combinatorial bypass at the moment. takes 4 cycles to get any data through.
this can be reduced to 2, later
Luke Kenneth Casson Leighton [Wed, 3 Nov 2021 14:41:09 +0000 (14:41 +0000)]
add start of new ReservationStations2 class
Luke Kenneth Casson Leighton [Wed, 3 Nov 2021 14:40:07 +0000 (14:40 +0000)]
add some debug output to Visitor2 (commented out)
Luke Kenneth Casson Leighton [Wed, 3 Nov 2021 14:39:04 +0000 (14:39 +0000)]
add name prefix to PrevControl and NextControl
(useful for multi-fan-in/out)
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 23:10:23 +0000 (23:10 +0000)]
ReservationStations - or more to the point the CombMuxIn/MuxOut -
are completely broken. deep joy
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 21:46:22 +0000 (21:46 +0000)]
move call to self.process onto i_data in multipipe just like in singlepipe
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 21:28:42 +0000 (21:28 +0000)]
redo ReservationStations setup of pseudoalus
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 20:15:34 +0000 (20:15 +0000)]
add ALUProxy to ReservationStations class
Luke Kenneth Casson Leighton [Wed, 6 Oct 2021 12:36:29 +0000 (13:36 +0100)]
whitspace
Luke Kenneth Casson Leighton [Wed, 6 Oct 2021 12:32:14 +0000 (13:32 +0100)]
whitespace
Jacob Lifshay [Sat, 9 Oct 2021 01:00:10 +0000 (18:00 -0700)]
add deduped
Jacob Lifshay [Fri, 8 Oct 2021 23:43:03 +0000 (16:43 -0700)]
move type info into doc strings, since lkcl complains that he can't read type annotations.
Closes https://bugs.libre-soc.org/show_bug.cgi?id=721
Jacob Lifshay [Fri, 1 Oct 2021 22:13:08 +0000 (15:13 -0700)]
add get_test_path function from simd_signal's util.py
Luke Kenneth Casson Leighton [Thu, 30 Sep 2021 14:15:12 +0000 (15:15 +0100)]
varname error (extz_data not exts_data)
Luke Kenneth Casson Leighton [Wed, 29 Sep 2021 18:09:21 +0000 (19:09 +0100)]
morph exts/extz and add new "ext" function which takes shape arg
Luke Kenneth Casson Leighton [Tue, 24 Aug 2021 11:52:12 +0000 (12:52 +0100)]
likewise replace data_o with o_data and data_i with i_data
Luke Kenneth Casson Leighton [Tue, 24 Aug 2021 10:21:57 +0000 (11:21 +0100)]
big rename, global/search/replace of ready_o with o_ready and the other
4 signals as well, valid_i -> i_valid
https://libera.irclog.whitequark.org/nmigen/2021-08-24#
30728292;
to be consistent with nmigen standards
Luke Kenneth Casson Leighton [Tue, 24 Aug 2021 10:14:24 +0000 (11:14 +0100)]
rename run_test to run_tst so nosetests3 skips it
R Veera Kumar [Sat, 5 Jun 2021 01:59:55 +0000 (07:29 +0530)]
Remove comment sign and add correct path for nmigen intersphinx.
R Veera Kumar [Fri, 4 Jun 2021 20:08:12 +0000 (01:38 +0530)]
Add Makefile modified for sphinx
R Veera Kumar [Fri, 4 Jun 2021 19:28:20 +0000 (00:58 +0530)]
Initial addition of sphinx documentation system.
Add run of sphinx-quickstart and manual modifications of files.
Luke Kenneth Casson Leighton [Tue, 4 May 2021 14:58:03 +0000 (15:58 +0100)]
update README
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 11:44:10 +0000 (12:44 +0100)]
add OS Independent classifier
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:57:51 +0000 (00:57 +0100)]
add pypi upload to Makefile
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:57:14 +0000 (00:57 +0100)]
update license classifier
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:54:03 +0000 (00:54 +0100)]
update for release to pypi
Cesar Strauss [Sun, 21 Feb 2021 17:10:10 +0000 (14:10 -0300)]
Allow groups to start closed
Luke Kenneth Casson Leighton [Sun, 21 Feb 2021 15:27:40 +0000 (15:27 +0000)]
extra comments in byte_reverse function
Cesar Strauss [Sun, 21 Feb 2021 14:44:26 +0000 (11:44 -0300)]
Use "src_loc_at" to look for a suitable name in the call stack
Cesar Strauss [Sun, 21 Feb 2021 12:44:56 +0000 (09:44 -0300)]
Move the selection field function to nmutil
Make it return a new Signal, while adding the wires to a Module.
That way, it becomes explicit that the function add wires to the design.
Cesar Strauss [Sat, 23 Jan 2021 09:43:43 +0000 (06:43 -0300)]
Allow choosing a non-default solver in assertFormal
It seems that small changes can dramatically affect the speed of the
default solver (yices2), while z3 is unaffected.
Let's use the one that gives the best results.
Cesar Strauss [Mon, 4 Jan 2021 19:40:55 +0000 (16:40 -0300)]
Define default zoom level for formal engines
Cesar Strauss [Sun, 6 Dec 2020 11:47:37 +0000 (08:47 -0300)]
Implement the "submodule" attribute
When encountered, it is merged to the module path attribute, and
consumed (it is not propagated to children).
Cesar Strauss [Sat, 5 Dec 2020 22:37:46 +0000 (19:37 -0300)]
Allow applying a style to a group of signals
Luke Kenneth Casson Leighton [Fri, 4 Dec 2020 13:35:53 +0000 (13:35 +0000)]
whoops misclassified in setup.py as GPLv3+, it is actually LGPLv3+
Luke Kenneth Casson Leighton [Fri, 4 Dec 2020 13:34:49 +0000 (13:34 +0000)]
add LGPLv3+ license
Luke Kenneth Casson Leighton [Fri, 4 Dec 2020 12:56:35 +0000 (12:56 +0000)]
add grant links, and record of funding under #538
https://bugs.libre-soc.org/show_bug.cgi?id=538
Cesar Strauss [Wed, 2 Dec 2020 10:30:50 +0000 (07:30 -0300)]
Zoom level is affected by the time resolution unit in the VCD file
Cesar Strauss [Wed, 18 Nov 2020 10:55:31 +0000 (07:55 -0300)]
Avoid use of "trace_bit" to print trace bits
It turns out, "trace_bit" really depends on the "trace_bits" context to
update flags. Use the normal "trace" call instead.
Cesar Strauss [Tue, 17 Nov 2020 10:53:37 +0000 (07:53 -0300)]
Add support for displaying individual bits from wide signals
Cesar Strauss [Wed, 28 Oct 2020 10:27:23 +0000 (07:27 -0300)]
Also export Passive from the chosen Simulator module
Cesar Strauss [Sat, 24 Oct 2020 14:44:11 +0000 (11:44 -0300)]
Calculate the zoom level from the clock period
Luke Kenneth Casson Leighton [Mon, 12 Oct 2020 11:58:34 +0000 (12:58 +0100)]
use unittest.TestCase rather than FHDLTestCase
Jacob Lifshay [Wed, 7 Oct 2020 02:36:11 +0000 (19:36 -0700)]
add overflow detection to DIVS
overflow shouldn't occur when calling DIVS since it should have been
detected in the code calling DIVS to properly handle edge cases.
Jacob Lifshay [Wed, 7 Oct 2020 02:33:07 +0000 (19:33 -0700)]
format code
Cesar Strauss [Sun, 27 Sep 2020 21:31:29 +0000 (18:31 -0300)]
Report cxxsim selected, only when using the new API
Cesar Strauss [Thu, 24 Sep 2020 22:26:16 +0000 (19:26 -0300)]
Add a few extra imports for convenience
Cesar Strauss [Thu, 24 Sep 2020 11:41:29 +0000 (08:41 -0300)]
Run-time selecion of simulator engine
Allows alternating between cxxsim and pysim at run-time, with minimal
code changes to its users.
Luke Kenneth Casson Leighton [Mon, 14 Sep 2020 15:54:40 +0000 (16:54 +0100)]
add extra name in plru for debugging
Luke Kenneth Casson Leighton [Mon, 14 Sep 2020 13:48:29 +0000 (14:48 +0100)]
switch off print statements
Luke Kenneth Casson Leighton [Mon, 14 Sep 2020 13:44:51 +0000 (14:44 +0100)]
add pseudo-plru from ariane
Luke Kenneth Casson Leighton [Sun, 13 Sep 2020 13:39:57 +0000 (14:39 +0100)]
add masked util function
Luke Kenneth Casson Leighton [Sun, 13 Sep 2020 13:11:12 +0000 (14:11 +0100)]
add dummy Display function
Luke Kenneth Casson Leighton [Sun, 13 Sep 2020 13:05:53 +0000 (14:05 +0100)]
syntax error in byterev
Cesar Strauss [Tue, 1 Sep 2020 11:14:13 +0000 (08:14 -0300)]
Make GTKWave example self-contained
As a tutorial, it should be as simple as possible.
Do not attempt to be compliant with the CompALU API anymore, use plain
signals at the interface.
Cesar Strauss [Sat, 29 Aug 2020 22:30:42 +0000 (19:30 -0300)]
Simplify example, focusing on write_gtkw
Complete Shifter example remains at soc.experiment.alu_fsm.
Cesar Strauss [Sat, 29 Aug 2020 20:52:58 +0000 (17:52 -0300)]
Move write_gtkw from soc.experiment.alu_fsm
Move implementation to nmutil.gtkw.
Move example to a separate file.
Luke Kenneth Casson Leighton [Sat, 29 Aug 2020 13:51:52 +0000 (14:51 +0100)]
add reversal and lsb/msb mode to PriorityPicker
Luke Kenneth Casson Leighton [Wed, 26 Aug 2020 14:26:09 +0000 (15:26 +0100)]
sorting out div/mod routines, bug in simulator
Luke Kenneth Casson Leighton [Wed, 19 Aug 2020 04:44:20 +0000 (05:44 +0100)]
1 extra bit on mask shift size needed, to allow ">" to work
Luke Kenneth Casson Leighton [Mon, 17 Aug 2020 11:11:05 +0000 (12:11 +0100)]
allow byterev to accept a scalar int