The ZipCPU blog
Home Page: http://zipcpu.com
The files in this repository host the ZipCPU blog articles via GitHub pages.
While you are welcome to browse these files via Github's interface, I personally think you'll find them much more interesting to look at from either the web-site's main page, the topics page which offers a categorical list of past posts and future posts, or the about page which will tell you more about Gisselquist Technology, the ZipCPU, and other projects/products that Gisselquist Technology provides.
Hi Daniel,
In https://zipcpu.com/tutorial/lsn-01-wires.pdf on page 24, the g++ compilation step in example ex-01-thruwire fails for me with below link error:
$ make
Building a Verilator-based simulation of thruwire
g++ -I/usr/share/verilator/include -I obj_dir \
/usr/share/verilator/include/verilated.cpp \
thruwire.cpp obj_dir/Vthruwire__ALL.a \
-o thruwire
/usr/bin/ld: /tmp/ccZsNn1l.o: in function `VerilatedContext::threadPoolp()':
verilated.cpp:(.text+0xbd8e): undefined reference to `VlThreadPool::VlThreadPool(VerilatedContext*, unsigned int)'
collect2: error: ld returned 1 exit status
make: *** [Makefile:44: thruwire] Error 1
Do I miss any environment setting? The very same error happens when I try the make in example ex-01-maskbus. My system is a standard Debian 12 Linux, and comes with verilator version 5.006:
$ verilator -V
Verilator 5.006 2023-01-22 rev (Debian 5.006-3)
Copyright 2003-2023 by Wilson Snyder. Verilator is free software; you can
redistribute it and/or modify the Verilator internals under the terms of
either the GNU Lesser General Public License Version 3 or the Perl Artistic
License Version 2.0.
See https://verilator.org for documentation
Summary of configuration:
Compiled in defaults if not in environment:
SYSTEMC =
SYSTEMC_ARCH =
SYSTEMC_INCLUDE =
SYSTEMC_LIBDIR =
VERILATOR_ROOT = /usr/share/verilator
SystemC system-wide = 1
Environment:
MAKE =
PERL =
SYSTEMC =
SYSTEMC_ARCH =
SYSTEMC_INCLUDE =
SYSTEMC_LIBDIR =
VERILATOR_BIN =
VERILATOR_ROOT =
Supported features (compiled-in or forced by environment):
COROUTINES = 1
SYSTEMC = 1
There are a few links on the blog that point out to, what I suppose, was a previous project organization. You can find them looking for:
https://github.com/ZipCPU/wb2axip/blob/master/*.v
Nowadays they are at:
https://github.com/ZipCPU/wb2axip/blob/master/rtl/*.v
maybe, social plugs..
Both statements are the same.
The tag ``~<taskname>:`` can be used for a line or block that should not be used when...
The blog post:
https://github.com/ZipCPU/website/blob/master/img/sby-taskcmd.svg
https://zipcpu.com/zipcpu/2018/12/20/sby-makefile.html
BTW, thanks for the blog posts they are awesome.
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