yosys.git
5 years agoMake can now install Python libraries to system path
Benedikt Tutzer [Fri, 21 Dec 2018 13:08:23 +0000 (14:08 +0100)]
Make can now install Python libraries to system path

5 years agoAdded python-api to install
Benedikt Tutzer [Tue, 11 Dec 2018 07:42:57 +0000 (08:42 +0100)]
Added python-api to install

5 years agoAdded sample code for python-api
Benedikt Tutzer [Tue, 11 Dec 2018 07:13:42 +0000 (08:13 +0100)]
Added sample code for python-api

5 years agothrow exception when member is NULL
Benedikt Tutzer [Thu, 6 Dec 2018 11:17:09 +0000 (12:17 +0100)]
throw exception when member is NULL

6 years agoadded all variable in __init__.py to allow importing of the whole module
Benedikt Tutzer [Thu, 25 Oct 2018 14:32:28 +0000 (16:32 +0200)]
added all variable in __init__.py to allow importing of the whole module

6 years agochanged dlopen flags to support plugins
Benedikt Tutzer [Thu, 25 Oct 2018 14:19:22 +0000 (16:19 +0200)]
changed dlopen flags to support plugins

6 years agoremoved debug output from make
Benedikt Tutzer [Thu, 25 Oct 2018 13:06:55 +0000 (15:06 +0200)]
removed debug output from make

6 years agoremoved deletes
Benedikt Tutzer [Thu, 25 Oct 2018 13:06:26 +0000 (15:06 +0200)]
removed deletes

6 years agoadded py_wrap_generator
Benedikt Tutzer [Thu, 25 Oct 2018 10:27:56 +0000 (12:27 +0200)]
added py_wrap_generator

6 years agoExposed generator script to make-process
Benedikt Tutzer [Wed, 19 Sep 2018 08:32:34 +0000 (10:32 +0200)]
Exposed generator script to make-process

6 years agoadded functions whose definitions are split over multiple lines
Benedikt Tutzer [Thu, 23 Aug 2018 12:48:20 +0000 (14:48 +0200)]
added functions whose definitions are split over multiple lines

6 years agoadded default yosys license text
Benedikt Tutzer [Thu, 23 Aug 2018 12:39:44 +0000 (14:39 +0200)]
added default yosys license text

6 years agoFixed segfault / multiple free issue with lists
Benedikt Tutzer [Thu, 23 Aug 2018 11:57:37 +0000 (13:57 +0200)]
Fixed segfault / multiple free issue with lists

6 years agoDo not pass heap object to Python. This way they should be completely managed by...
Benedikt Tutzer [Wed, 22 Aug 2018 12:42:42 +0000 (14:42 +0200)]
Do not pass heap object to Python. This way they should be completely managed by Python and destroyed when out of scope. Also, the file in which a function/struct was found is added to the comment before the function

6 years agoFixed Identation
Benedikt Tutzer [Wed, 22 Aug 2018 09:59:22 +0000 (11:59 +0200)]
Fixed Identation

6 years agoWrapped functions that use unsigned int or type_t as types
Benedikt Tutzer [Tue, 21 Aug 2018 13:25:43 +0000 (15:25 +0200)]
Wrapped functions that use unsigned int or type_t as types

6 years agoadded operators <, == and !=
Benedikt Tutzer [Tue, 21 Aug 2018 12:49:35 +0000 (14:49 +0200)]
added operators <, == and !=

6 years agoAdded previousely missed functions
Benedikt Tutzer [Tue, 21 Aug 2018 11:15:08 +0000 (13:15 +0200)]
Added previousely missed functions

6 years agoDeleted duplicate Destructor
Benedikt Tutzer [Tue, 21 Aug 2018 09:07:59 +0000 (11:07 +0200)]
Deleted duplicate Destructor

6 years agoadded some checks if python is enabled to make sure everything compiles if python...
Benedikt Tutzer [Mon, 20 Aug 2018 14:04:43 +0000 (16:04 +0200)]
added some checks if python is enabled to make sure everything compiles if python is disabled in the makefile

6 years agoTwo passes are not allowed to have the same filename
Benedikt Tutzer [Mon, 20 Aug 2018 13:28:09 +0000 (15:28 +0200)]
Two passes are not allowed to have the same filename

6 years agoThe share directory cannot be searched when used as a Python library, only in shell...
Benedikt Tutzer [Mon, 20 Aug 2018 13:27:50 +0000 (15:27 +0200)]
The share directory cannot be searched when used as a Python library, only in shell mode

6 years agoPython passes are now looked for in share/plugins and can be added by specifying...
Benedikt Tutzer [Mon, 20 Aug 2018 13:11:06 +0000 (15:11 +0200)]
Python passes are now looked for in share/plugins and can be added by specifying a relative or absolute path

6 years agoFixed issue when using a python plugin in the yosys shell
Benedikt Tutzer [Mon, 20 Aug 2018 12:44:03 +0000 (14:44 +0200)]
Fixed issue when using a python plugin in the yosys shell

6 years agoPython Passes can now be added with the -m option or with the plugin command. There...
Benedikt Tutzer [Thu, 16 Aug 2018 14:00:11 +0000 (16:00 +0200)]
Python Passes can now be added with the -m option or with the plugin command. There are still issues when run in shell mode, but they can be used just fine in a python script

6 years agoAdded Wrappers for:
Benedikt Tutzer [Mon, 13 Aug 2018 13:18:46 +0000 (15:18 +0200)]
Added Wrappers for:
-IdString
-Const
-CaseRule
-SwitchRule
-SyncRule
-Process
-SigChunk
-SigBit
-SigSpec
With all their member functions as well as the remaining member
functions for Cell, Wire, Module and Design and static functions of
rtlil.h

6 years agoSaving id and pointer to c++ object. Object is valid only if both id and pointer...
Benedikt Tutzer [Wed, 1 Aug 2018 08:27:35 +0000 (10:27 +0200)]
Saving id and pointer to c++ object. Object is valid only if both id and pointer match the pair saved in the corresponding map in kernel/rtlil.cc. Otherwise, the object was destroyed in c++ and should not be accessed any more

6 years agoSetup is called automatically when the module is loaded, shutdown when python exits
Benedikt Tutzer [Wed, 1 Aug 2018 08:08:23 +0000 (10:08 +0200)]
Setup is called automatically when the module is loaded, shutdown when python exits

6 years agoCleaned up comments
Benedikt Tutzer [Wed, 1 Aug 2018 06:05:39 +0000 (08:05 +0200)]
Cleaned up comments

6 years agoremoved unused library and already present compiler flag
Benedikt Tutzer [Wed, 1 Aug 2018 06:04:08 +0000 (08:04 +0200)]
removed unused library and already present compiler flag

6 years agoAdded Monitor class that can monitor all changes in a Design or in a Module
Benedikt Tutzer [Tue, 10 Jul 2018 10:51:02 +0000 (12:51 +0200)]
Added Monitor class that can monitor all changes in a Design or in a Module

6 years agoadded destructors for wires and cells
Benedikt Tutzer [Tue, 10 Jul 2018 06:52:36 +0000 (08:52 +0200)]
added destructors for wires and cells

6 years agoremoved debug output
Benedikt Tutzer [Mon, 9 Jul 2018 14:02:10 +0000 (16:02 +0200)]
removed debug output

6 years agocommands can now be run on arbitrary designs, not only on the active one
Benedikt Tutzer [Mon, 9 Jul 2018 14:01:56 +0000 (16:01 +0200)]
commands can now be run on arbitrary designs, not only on the active one

6 years agomultiple designs can now exist independent from each other. Cells/Wires/Modules can...
Benedikt Tutzer [Mon, 9 Jul 2018 13:48:06 +0000 (15:48 +0200)]
multiple designs can now exist independent from each other. Cells/Wires/Modules can now move to a different parent without referencing issues

6 years agoIntroduced namespace and removed class-prefixes to increase readability
Benedikt Tutzer [Thu, 28 Jun 2018 13:07:21 +0000 (15:07 +0200)]
Introduced namespace and removed class-prefixes to increase readability

6 years agochanged references from hash-ids to IdString names
Benedikt Tutzer [Thu, 28 Jun 2018 12:44:28 +0000 (14:44 +0200)]
changed references from hash-ids to IdString names

6 years agoadded wrappers for Design, Modules, Cells and Wires
Benedikt Tutzer [Mon, 25 Jun 2018 15:08:29 +0000 (17:08 +0200)]
added wrappers for Design, Modules, Cells and Wires

6 years agoadded ENABLE_PYTHON option in build environment
Benedikt Tutzer [Fri, 22 Jun 2018 09:15:03 +0000 (11:15 +0200)]
added ENABLE_PYTHON option in build environment

6 years agoAdd simplified "read" command, enable extnets in implicit Verific import
Clifford Wolf [Thu, 21 Jun 2018 14:56:55 +0000 (16:56 +0200)]
Add simplified "read" command, enable extnets in implicit Verific import

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge branch 'master' of github.com:YosysHQ/yosys
Clifford Wolf [Wed, 20 Jun 2018 21:45:26 +0000 (23:45 +0200)]
Merge branch 'master' of github.com:YosysHQ/yosys

6 years agoAdd automatic verific import in hierarchy command
Clifford Wolf [Wed, 20 Jun 2018 21:45:01 +0000 (23:45 +0200)]
Add automatic verific import in hierarchy command

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge pull request #572 from q3k/q3k/fix-protobuf-build
Clifford Wolf [Wed, 20 Jun 2018 18:40:59 +0000 (20:40 +0200)]
Merge pull request #572 from q3k/q3k/fix-protobuf-build

Fix protobuf build

6 years agoFix protobuf build
Sergiusz Bazanski [Wed, 20 Jun 2018 18:28:43 +0000 (19:28 +0100)]
Fix protobuf build

6 years agoMerge pull request #571 from q3k/q3k/protobuf-backend
Clifford Wolf [Tue, 19 Jun 2018 13:02:04 +0000 (15:02 +0200)]
Merge pull request #571 from q3k/q3k/protobuf-backend

Add Protobuf backend

6 years agoAdd Protobuf backend
Serge Bazanski [Tue, 19 Jun 2018 12:34:56 +0000 (13:34 +0100)]
Add Protobuf backend

Signed-off-by: Serge Bazanski <q3k@symbioticeda.com>
6 years agoBe slightly less aggressive in "deminout" pass
Clifford Wolf [Tue, 19 Jun 2018 12:29:38 +0000 (14:29 +0200)]
Be slightly less aggressive in "deminout" pass

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge pull request #570 from edcote/patch-4
Clifford Wolf [Tue, 19 Jun 2018 11:47:39 +0000 (13:47 +0200)]
Merge pull request #570 from edcote/patch-4

Include module name for area summary stats

6 years agoInclude module name for area summary stats
Edmond Cote [Tue, 19 Jun 2018 00:29:01 +0000 (17:29 -0700)]
Include module name for area summary stats

The PR prints the name of the module when displaying the final area count.

Pros:
- Easier for the user to `grep` for area information about a specific module

Cons:
- Arguably more verbose, less "pretty" than author desires

Verification:
~~~~
30c30
<    Chip area for this module: 20616.349000
---
>    Chip area for module '$paramod$d1738fc0bb353d517bc2caf8fef2abb20bced034\picorv32': 20616.349000
70c70
<    Chip area for this module: 88.697700
---
>    Chip area for module '\picorv32_axi_adapter': 88.697700
102c102
<    Chip area for this module: 20705.046700
---
>    Chip area for top module '\picorv32_axi': 20705.046700
~~~~

6 years agoBugfix in liberty parser (as suggested by aiju in #569)
Clifford Wolf [Fri, 15 Jun 2018 16:56:44 +0000 (18:56 +0200)]
Bugfix in liberty parser (as suggested by aiju in #569)

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd "synth_ice40 -json"
Clifford Wolf [Wed, 13 Jun 2018 11:35:10 +0000 (13:35 +0200)]
Add "synth_ice40 -json"

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix ice40_opt for cases where a port is connected to a signal with width != 1
Clifford Wolf [Mon, 11 Jun 2018 16:10:12 +0000 (18:10 +0200)]
Fix ice40_opt for cases where a port is connected to a signal with width != 1

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge pull request #561 from udif/pr_skip_typo
Clifford Wolf [Wed, 6 Jun 2018 09:57:41 +0000 (11:57 +0200)]
Merge pull request #561 from udif/pr_skip_typo

Fixed typo (sikp -> skip)

6 years agoFixed typo (sikp -> skip)
Udi Finkelstein [Tue, 5 Jun 2018 14:52:36 +0000 (17:52 +0300)]
Fixed typo (sikp -> skip)

6 years agoAdd (* gclk *) attribute support
Clifford Wolf [Fri, 1 Jun 2018 11:25:42 +0000 (13:25 +0200)]
Add (* gclk *) attribute support

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd setundef -anyseq / -anyconst support to -undriven mode
Clifford Wolf [Fri, 1 Jun 2018 09:57:28 +0000 (11:57 +0200)]
Add setundef -anyseq / -anyconst support to -undriven mode

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd "setundef -anyconst"
Clifford Wolf [Fri, 1 Jun 2018 09:49:58 +0000 (11:49 +0200)]
Add "setundef -anyconst"

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoBugfix in handling of array instances with empty ports
Clifford Wolf [Thu, 31 May 2018 16:09:31 +0000 (18:09 +0200)]
Bugfix in handling of array instances with empty ports

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoUpdate examples/cmos/counter.ys to use "synth" command
Clifford Wolf [Wed, 30 May 2018 12:17:36 +0000 (14:17 +0200)]
Update examples/cmos/counter.ys to use "synth" command

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMake -nordff the default in "prep"
Clifford Wolf [Wed, 30 May 2018 11:17:09 +0000 (13:17 +0200)]
Make -nordff the default in "prep"

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoUpdate ABC to git rev 6df1396
Clifford Wolf [Wed, 30 May 2018 11:04:40 +0000 (13:04 +0200)]
Update ABC to git rev 6df1396

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoDisable memory_dff for initialized FFs
Clifford Wolf [Mon, 28 May 2018 15:16:15 +0000 (17:16 +0200)]
Disable memory_dff for initialized FFs

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd some cleanup code to memory_nordff
Clifford Wolf [Mon, 28 May 2018 14:42:06 +0000 (16:42 +0200)]
Add some cleanup code to memory_nordff

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd comment to VIPER #13453 work-around
Clifford Wolf [Mon, 28 May 2018 11:36:35 +0000 (13:36 +0200)]
Add comment to VIPER #13453 work-around

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix Verific handling of single-bit anyseq/anyconst wires
Clifford Wolf [Fri, 25 May 2018 13:41:45 +0000 (15:41 +0200)]
Fix Verific handling of single-bit anyseq/anyconst wires

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix VerificClocking for cases where Verific generates chains of PRIM_SVA_POSEDGE
Clifford Wolf [Thu, 24 May 2018 16:13:38 +0000 (18:13 +0200)]
Fix VerificClocking for cases where Verific generates chains of PRIM_SVA_POSEDGE

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix verific handling of anyconst/anyseq attributes
Clifford Wolf [Thu, 24 May 2018 15:07:06 +0000 (17:07 +0200)]
Fix verific handling of anyconst/anyseq attributes

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge pull request #454 from rqou/emscripten-and-abc
Clifford Wolf [Sat, 19 May 2018 06:42:45 +0000 (08:42 +0200)]
Merge pull request #454 from rqou/emscripten-and-abc

Add option to statically link abc; emscripten fixes

6 years agoForce abc to align memory to 8 bytes
Robert Ou [Sat, 19 May 2018 05:45:43 +0000 (22:45 -0700)]
Force abc to align memory to 8 bytes

Apparently abc has a memory pool implementation that by default returns
memory that is unaligned. There is a workaround in the abc makefile that
uses uname to look for "arm" specifically and then sets the alignment.
However, ARM is not the only platform that requires proper alignment
(e.g. emscripten does too). For now, pessimistically force the alignment
for 8 bytes all the time (somehow 4 wasn't enough for fixing emscripten
despite being approximately a 32-bit platform).

6 years agoModify emscripten main to mount nodefs and to run arg as a script
Robert Ou [Tue, 14 Nov 2017 12:09:32 +0000 (04:09 -0800)]
Modify emscripten main to mount nodefs and to run arg as a script

6 years agoForce abc to be linked statically and without threads in emscripten
Robert Ou [Sat, 31 Mar 2018 21:50:21 +0000 (14:50 -0700)]
Force abc to be linked statically and without threads in emscripten

6 years agoFix infinite loop in abc command under emscripten
Robert Ou [Tue, 14 Nov 2017 12:08:36 +0000 (04:08 -0800)]
Fix infinite loop in abc command under emscripten

6 years agoFix reading techlibs under emscripten
Robert Ou [Tue, 14 Nov 2017 12:08:07 +0000 (04:08 -0800)]
Fix reading techlibs under emscripten

6 years agoAdd options to disable abc's usage of pthreads and readline
Robert Ou [Sat, 19 May 2018 05:42:24 +0000 (22:42 -0700)]
Add options to disable abc's usage of pthreads and readline

6 years agoAdd an option to statically link abc into yosys
Robert Ou [Tue, 14 Nov 2017 10:19:21 +0000 (02:19 -0800)]
Add an option to statically link abc into yosys

This is currently incomplete because the output filter no longer works.

6 years agoMakefile: Make abc always use stdint.h
Robert Ou [Sat, 19 May 2018 05:01:25 +0000 (22:01 -0700)]
Makefile: Make abc always use stdint.h

6 years agoMerge pull request #550 from jimparis/yosys-upstream
Clifford Wolf [Thu, 17 May 2018 12:10:24 +0000 (14:10 +0200)]
Merge pull request #550 from jimparis/yosys-upstream

Support SystemVerilog `` extension for macros

6 years agoMerge pull request #551 from olofk/ice40_cells_sim_ports
Clifford Wolf [Thu, 17 May 2018 12:03:58 +0000 (14:03 +0200)]
Merge pull request #551 from olofk/ice40_cells_sim_ports

Avoid mixing module port declaration styles in ice40 cells_sim.v

6 years agoAvoid mixing module port declaration styles in ice40 cells_sim.v
Olof Kindgren [Thu, 17 May 2018 11:54:40 +0000 (13:54 +0200)]
Avoid mixing module port declaration styles in ice40 cells_sim.v

The current code requires workarounds for several simulators
For modelsim, the file must be compiled with -mixedansiports and
xsim needs --relax.

6 years agoSupport SystemVerilog `` extension for macros
Jim Paris [Thu, 17 May 2018 04:09:56 +0000 (00:09 -0400)]
Support SystemVerilog `` extension for macros

6 years agoSkip spaces around macro arguments
Jim Paris [Thu, 17 May 2018 04:06:49 +0000 (00:06 -0400)]
Skip spaces around macro arguments

6 years agoFix handling of anyconst/anyseq attrs in VHDL code via Verific
Clifford Wolf [Tue, 15 May 2018 17:27:00 +0000 (19:27 +0200)]
Fix handling of anyconst/anyseq attrs in VHDL code via Verific

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoRemove mercurial from build instructions
Clifford Wolf [Tue, 15 May 2018 12:19:05 +0000 (14:19 +0200)]
Remove mercurial from build instructions

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix iopadmap for loops between tristate IO buffers
Clifford Wolf [Tue, 15 May 2018 12:02:27 +0000 (14:02 +0200)]
Fix iopadmap for loops between tristate IO buffers

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix iopadmap for cases where IO pins already have buffers on them
Clifford Wolf [Tue, 15 May 2018 11:13:43 +0000 (13:13 +0200)]
Fix iopadmap for cases where IO pins already have buffers on them

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoSome cleanups in setundef.cc
Clifford Wolf [Sun, 13 May 2018 14:36:12 +0000 (16:36 +0200)]
Some cleanups in setundef.cc

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoUse $(OS) in makefile to check for Darwin
Clifford Wolf [Sun, 13 May 2018 11:29:18 +0000 (13:29 +0200)]
Use $(OS) in makefile to check for Darwin

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoMerge pull request #505 from thefallenidealist/FreeBSD_build
Clifford Wolf [Sun, 13 May 2018 11:27:14 +0000 (13:27 +0200)]
Merge pull request #505 from thefallenidealist/FreeBSD_build

FreeBSD build

6 years agoAdd "#ifdef __FreeBSD__"
Christian Krämer [Sat, 5 May 2018 11:02:44 +0000 (13:02 +0200)]
Add "#ifdef __FreeBSD__"

(Re-commit e3575a8 with corrected author field)

6 years agoRevert "Add "#ifdef __FreeBSD__""
Clifford Wolf [Sun, 13 May 2018 11:06:36 +0000 (13:06 +0200)]
Revert "Add "#ifdef __FreeBSD__""

This reverts commit e3575a86c525f2511902e7022893c3923ba8093e.

6 years agoAlso interpret '&' in liberty functions
Sergiusz Bazanski [Sat, 12 May 2018 18:53:24 +0000 (19:53 +0100)]
Also interpret '&' in liberty functions

6 years agoAdd optimization of tristate buffer with constant control input
Clifford Wolf [Sat, 12 May 2018 13:18:27 +0000 (15:18 +0200)]
Add optimization of tristate buffer with constant control input

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd "hierarchy -simcheck"
Clifford Wolf [Sat, 12 May 2018 11:59:13 +0000 (13:59 +0200)]
Add "hierarchy -simcheck"

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoupdate README
Johnny Sorocil [Sun, 6 May 2018 16:22:18 +0000 (18:22 +0200)]
update README

6 years agoautotest.sh: Change from /bin/bash to /usr/bin/env bash
Johnny Sorocil [Sun, 6 May 2018 13:26:23 +0000 (15:26 +0200)]
autotest.sh: Change from /bin/bash to /usr/bin/env bash

This enables running tests on Unix systems which are not shipped with
bash installed in /bin/bash (eg *BSDs and Solaris).

6 years agoEnable building on FreeBSD
Johnny Sorocil [Sun, 6 May 2018 13:19:44 +0000 (15:19 +0200)]
Enable building on FreeBSD

6 years agoFurther improve handling of zero-length SVA consecutive repetition
Clifford Wolf [Sat, 5 May 2018 12:32:04 +0000 (14:32 +0200)]
Further improve handling of zero-length SVA consecutive repetition

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoFix handling of zero-length SVA consecutive repetition
Clifford Wolf [Sat, 5 May 2018 11:58:01 +0000 (13:58 +0200)]
Fix handling of zero-length SVA consecutive repetition

Signed-off-by: Clifford Wolf <clifford@clifford.at>
6 years agoAdd "#ifdef __FreeBSD__"
Johnny Sorocil [Sat, 5 May 2018 11:02:44 +0000 (13:02 +0200)]
Add "#ifdef __FreeBSD__"

6 years agoAdd ABC FAQ to "help abc"
Clifford Wolf [Fri, 4 May 2018 19:59:31 +0000 (21:59 +0200)]
Add ABC FAQ to "help abc"

Signed-off-by: Clifford Wolf <clifford@clifford.at>