nmutil.git
2 years agoPLRU interface signals (acc_i and acc_en) were reversed
Luke Kenneth Casson Leighton [Wed, 5 Jan 2022 14:23:13 +0000 (14:23 +0000)]
PLRU interface signals (acc_i and acc_en) were reversed
(no unit test exists for this module yet)

2 years agouse bit_length rather than log2_int function in mask.py
Luke Kenneth Casson Leighton [Wed, 5 Jan 2022 14:14:29 +0000 (14:14 +0000)]
use bit_length rather than log2_int function in mask.py

2 years agoredo grev
Jacob Lifshay [Thu, 23 Dec 2021 04:43:52 +0000 (20:43 -0800)]
redo grev

2 years agoremove redundant comments/docs
Jacob Lifshay [Thu, 23 Dec 2021 00:25:57 +0000 (16:25 -0800)]
remove redundant comments/docs

2 years agoadd additional command in comment
Jacob Lifshay [Wed, 22 Dec 2021 04:09:41 +0000 (20:09 -0800)]
add additional command in comment

2 years agorewrite TreeBitwiseLut to actually use a tree rather than a dict, hopefully making...
Jacob Lifshay [Wed, 22 Dec 2021 04:02:12 +0000 (20:02 -0800)]
rewrite TreeBitwiseLut to actually use a tree rather than a dict, hopefully making the code much easier to follow

2 years agomove writing rtlil into do_sim
Jacob Lifshay [Wed, 22 Dec 2021 03:57:15 +0000 (19:57 -0800)]
move writing rtlil into do_sim

2 years agoadd copyright notices
Jacob Lifshay [Wed, 22 Dec 2021 01:12:14 +0000 (17:12 -0800)]
add copyright notices

email and (C) aren't required according to https://www.gnu.org/licenses/gpl-howto.html

2 years agoremove unnecessary <no space here> messages
Jacob Lifshay [Wed, 22 Dec 2021 01:02:34 +0000 (17:02 -0800)]
remove unnecessary <no space here> messages

2 years agoformat code
Jacob Lifshay [Wed, 22 Dec 2021 00:58:24 +0000 (16:58 -0800)]
format code

2 years agoinput is a keyword in python
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 23:01:35 +0000 (23:01 +0000)]
input is a keyword in python

2 years agoinput is a keyword in python
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 22:55:19 +0000 (22:55 +0000)]
input is a keyword in python

2 years agocleanup chunk_size and list of steps in GRev
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 22:43:53 +0000 (22:43 +0000)]
cleanup chunk_size and list of steps in GRev

2 years agoadd NLnet Grant References
Luke Kenneth Casson Leighton [Fri, 17 Dec 2021 21:55:37 +0000 (21:55 +0000)]
add NLnet Grant References

2 years ago* moved the grev formal correctness assertions into the module
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

2 years agomore code-comments on BitwiseLut
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

2 years agorewrite GRev. put in code-comments and some more TODOs
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

2 years agoclean up rest of grev.py docs
Jacob Lifshay [Fri, 17 Dec 2021 03:27:06 +0000 (19:27 -0800)]
clean up rest of grev.py docs

2 years agoclarify docs
Jacob Lifshay [Fri, 17 Dec 2021 03:23:26 +0000 (19:23 -0800)]
clarify docs

2 years agoclarify docstring
Jacob Lifshay [Fri, 17 Dec 2021 03:14:33 +0000 (19:14 -0800)]
clarify docstring

2 years agoadd grev test and formal proof
Jacob Lifshay [Fri, 17 Dec 2021 03:12:54 +0000 (19:12 -0800)]
add grev test and formal proof

2 years agoclean up grev
Jacob Lifshay [Fri, 17 Dec 2021 03:12:39 +0000 (19:12 -0800)]
clean up grev

2 years agomove do_sim and hash_256 to separate module
Jacob Lifshay [Fri, 17 Dec 2021 01:37:26 +0000 (17:37 -0800)]
move do_sim and hash_256 to separate module

2 years agoadd docs
Jacob Lifshay [Fri, 17 Dec 2021 01:21:32 +0000 (17:21 -0800)]
add docs

2 years agosimplify lut.py
Jacob Lifshay [Fri, 17 Dec 2021 01:20:50 +0000 (17:20 -0800)]
simplify lut.py

2 years agowhoops just step through i not list
Luke Kenneth Casson Leighton [Sun, 12 Dec 2021 14:35:07 +0000 (14:35 +0000)]
whoops just step through i not list

2 years agoremove the pre-added array, remove the sub-function (sub-functions
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

2 years agomore comments
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

2 years agosome more hints/comments
Luke Kenneth Casson Leighton [Sat, 11 Dec 2021 15:37:35 +0000 (15:37 +0000)]
some more hints/comments

2 years agoadd some comments (locations for comments to be added)
Luke Kenneth Casson Leighton [Sat, 11 Dec 2021 15:29:09 +0000 (15:29 +0000)]
add some comments (locations for comments to be added)

2 years agoadd initial grev implementation
Jacob Lifshay [Fri, 10 Dec 2021 23:42:11 +0000 (15:42 -0800)]
add initial grev implementation

2 years agoremove unused import
Jacob Lifshay [Fri, 10 Dec 2021 23:30:44 +0000 (15:30 -0800)]
remove unused import

2 years agofix to nmutil workaround for detecting new Simulator API
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

2 years agoadd a PLRUs module which selects between multiple PLRUs
Luke Kenneth Casson Leighton [Mon, 6 Dec 2021 17:00:56 +0000 (17:00 +0000)]
add a PLRUs module which selects between multiple PLRUs

2 years agoadd nmigen/_toolchain/__init__ as toolchain.py to avoid depending on internal API
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

2 years agoremove redundant overrides of stuff that's aready in unittest in python >=3.7
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

2 years agoadd missing import Statement for assertRepr
Jacob Lifshay [Thu, 2 Dec 2021 01:39:40 +0000 (17:39 -0800)]
add missing import Statement for assertRepr

2 years agochange FHDLTestCase to use get_test_path
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.

2 years agoswitch test_lut to use FHDLTestCase
Jacob Lifshay [Thu, 2 Dec 2021 01:24:18 +0000 (17:24 -0800)]
switch test_lut to use FHDLTestCase

2 years agoformat code
Jacob Lifshay [Thu, 2 Dec 2021 01:03:38 +0000 (17:03 -0800)]
format code

2 years agonote about not setting the muxid in ReservationStations2
Luke Kenneth Casson Leighton [Wed, 1 Dec 2021 13:27:38 +0000 (13:27 +0000)]
note about not setting the muxid in ReservationStations2

2 years agoupdate SRLatch API to include q_int
Luke Kenneth Casson Leighton [Sun, 28 Nov 2021 14:38:50 +0000 (14:38 +0000)]
update SRLatch API to include q_int

2 years agoadd Array-based version of BitwiseLut, renaming old version to TreeBitwiseLut in...
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

2 years agoadd formal tests for BitwiseLut
Jacob Lifshay [Wed, 17 Nov 2021 04:07:41 +0000 (20:07 -0800)]
add formal tests for BitwiseLut

2 years agoadd BitwiseLut and tests
Jacob Lifshay [Wed, 17 Nov 2021 03:08:35 +0000 (19:08 -0800)]
add BitwiseLut and tests

2 years agoreturn latchregister results so that it can be further set/modified
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

2 years agoallow name of ALU to be set in ReservationStations2
Luke Kenneth Casson Leighton [Sun, 7 Nov 2021 13:25:45 +0000 (13:25 +0000)]
allow name of ALU to be set in ReservationStations2

2 years agoreduce number of wait states in ReservationStations2 by detecting
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)

2 years agofixed bug in MultiCompUnit, can return to combinatorial setting
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

2 years agobugfix new ReservationStations2
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

2 years agoupdate ReservationStations2 to be a FSM. not a very efficient one, no
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

2 years agoadd start of new ReservationStations2 class
Luke Kenneth Casson Leighton [Wed, 3 Nov 2021 14:41:09 +0000 (14:41 +0000)]
add start of new ReservationStations2 class

2 years agoadd some debug output to Visitor2 (commented out)
Luke Kenneth Casson Leighton [Wed, 3 Nov 2021 14:40:07 +0000 (14:40 +0000)]
add some debug output to Visitor2 (commented out)

2 years agoadd name prefix to PrevControl and NextControl
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)

2 years agoReservationStations - or more to the point the CombMuxIn/MuxOut -
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

2 years agomove call to self.process onto i_data in multipipe just like in singlepipe
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

2 years agoredo ReservationStations setup of pseudoalus
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 21:28:42 +0000 (21:28 +0000)]
redo ReservationStations setup of pseudoalus

2 years agoadd ALUProxy to ReservationStations class
Luke Kenneth Casson Leighton [Mon, 1 Nov 2021 20:15:34 +0000 (20:15 +0000)]
add ALUProxy to ReservationStations class

2 years agowhitspace
Luke Kenneth Casson Leighton [Wed, 6 Oct 2021 12:36:29 +0000 (13:36 +0100)]
whitspace

2 years agowhitespace
Luke Kenneth Casson Leighton [Wed, 6 Oct 2021 12:32:14 +0000 (13:32 +0100)]
whitespace

2 years agoadd deduped
Jacob Lifshay [Sat, 9 Oct 2021 01:00:10 +0000 (18:00 -0700)]
add deduped

2 years agomove type info into doc strings, since lkcl complains that he can't read type annotat...
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

2 years agoadd get_test_path function from simd_signal's util.py
Jacob Lifshay [Fri, 1 Oct 2021 22:13:08 +0000 (15:13 -0700)]
add get_test_path function from simd_signal's util.py

2 years agovarname error (extz_data not exts_data)
Luke Kenneth Casson Leighton [Thu, 30 Sep 2021 14:15:12 +0000 (15:15 +0100)]
varname error (extz_data not exts_data)

2 years agomorph exts/extz and add new "ext" function which takes shape arg
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

2 years agolikewise replace data_o with o_data and data_i with i_data
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

2 years agobig rename, global/search/replace of ready_o with o_ready and the other
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

2 years agorename run_test to run_tst so nosetests3 skips it
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

2 years agoRemove comment sign and add correct path for nmigen intersphinx.
R Veera Kumar [Sat, 5 Jun 2021 01:59:55 +0000 (07:29 +0530)]
Remove comment sign and add correct path for nmigen intersphinx.

2 years agoAdd Makefile modified for sphinx
R Veera Kumar [Fri, 4 Jun 2021 20:08:12 +0000 (01:38 +0530)]
Add Makefile modified for sphinx

2 years agoInitial addition of sphinx documentation system.
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.

3 years agoupdate README
Luke Kenneth Casson Leighton [Tue, 4 May 2021 14:58:03 +0000 (15:58 +0100)]
update README

3 years agoadd OS Independent classifier
Luke Kenneth Casson Leighton [Sun, 18 Apr 2021 11:44:10 +0000 (12:44 +0100)]
add OS Independent classifier

3 years agoadd pypi upload to Makefile
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:57:51 +0000 (00:57 +0100)]
add pypi upload to Makefile

3 years agoupdate license classifier
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:57:14 +0000 (00:57 +0100)]
update license classifier

3 years agoupdate for release to pypi
Luke Kenneth Casson Leighton [Sun, 11 Apr 2021 23:54:03 +0000 (00:54 +0100)]
update for release to pypi

3 years agoAllow groups to start closed
Cesar Strauss [Sun, 21 Feb 2021 17:10:10 +0000 (14:10 -0300)]
Allow groups to start closed

3 years agoextra comments in byte_reverse function
Luke Kenneth Casson Leighton [Sun, 21 Feb 2021 15:27:40 +0000 (15:27 +0000)]
extra comments in byte_reverse function

3 years agoUse "src_loc_at" to look for a suitable name in the call stack
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

3 years agoMove the selection field function to nmutil
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.

3 years agoAllow choosing a non-default solver in assertFormal
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.

3 years agoDefine default zoom level for formal engines
Cesar Strauss [Mon, 4 Jan 2021 19:40:55 +0000 (16:40 -0300)]
Define default zoom level for formal engines

3 years agoImplement the "submodule" attribute 24jan2021_ls180
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).

3 years agoAllow applying a style to a group of signals
Cesar Strauss [Sat, 5 Dec 2020 22:37:46 +0000 (19:37 -0300)]
Allow applying a style to a group of signals

3 years agowhoops misclassified in setup.py as GPLv3+, it is actually LGPLv3+
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+

3 years agoadd LGPLv3+ license
Luke Kenneth Casson Leighton [Fri, 4 Dec 2020 13:34:49 +0000 (13:34 +0000)]
add LGPLv3+ license

3 years agoadd grant links, and record of funding under #538
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

3 years agoZoom level is affected by the time resolution unit in the VCD file
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

3 years agoAvoid use of "trace_bit" to print trace bits
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.

3 years agoAdd support for displaying individual bits from wide signals
Cesar Strauss [Tue, 17 Nov 2020 10:53:37 +0000 (07:53 -0300)]
Add support for displaying individual bits from wide signals

3 years agoAlso export Passive from the chosen Simulator module
Cesar Strauss [Wed, 28 Oct 2020 10:27:23 +0000 (07:27 -0300)]
Also export Passive from the chosen Simulator module

3 years agoCalculate the zoom level from the clock period
Cesar Strauss [Sat, 24 Oct 2020 14:44:11 +0000 (11:44 -0300)]
Calculate the zoom level from the clock period

3 years agouse unittest.TestCase rather than FHDLTestCase
Luke Kenneth Casson Leighton [Mon, 12 Oct 2020 11:58:34 +0000 (12:58 +0100)]
use unittest.TestCase rather than FHDLTestCase

3 years agoadd overflow detection to DIVS
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.

3 years agoformat code
Jacob Lifshay [Wed, 7 Oct 2020 02:33:07 +0000 (19:33 -0700)]
format code

3 years agoReport cxxsim selected, only when using the new API
Cesar Strauss [Sun, 27 Sep 2020 21:31:29 +0000 (18:31 -0300)]
Report cxxsim selected, only when using the new API

3 years agoAdd a few extra imports for convenience
Cesar Strauss [Thu, 24 Sep 2020 22:26:16 +0000 (19:26 -0300)]
Add a few extra imports for convenience

3 years agoRun-time selecion of simulator engine
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.

3 years agoadd extra name in plru for debugging
Luke Kenneth Casson Leighton [Mon, 14 Sep 2020 15:54:40 +0000 (16:54 +0100)]
add extra name in plru for debugging

3 years agoswitch off print statements
Luke Kenneth Casson Leighton [Mon, 14 Sep 2020 13:48:29 +0000 (14:48 +0100)]
switch off print statements