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SDB - Self-describing Bus
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SDB - Self-describing Bus
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d8dca1b9
Commit
d8dca1b9
authored
Apr 11, 2013
by
Alessandro Rubini
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specification: bless as versin 1.1
Signed-off-by:
Alessandro Rubini
<
rubini@gnudd.com
>
parent
dd8a13bc
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docs/specification/sdb.tex
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d8dca1b9
...
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@@ -30,12 +30,12 @@
\parskip
10pt
\makesavenoteenv
{
tabular
}
\title
{
Self-Describing Bus (SDB)
Specification
\\
for Logic Cores -- proposed
Version 1.1
}
\title
{
Self-Describing Bus (SDB)
\\
Specification for Logic Cores --
Version 1.1
}
\author
{
Alessandro Rubini (Consultant for CERN)
\\
Wesley Terpstra (GSI),
\\
Manohar Vanga (CERN, BE/CO/HT)
}
\date
{
March 28
th 2013
}
\date
{
April 11
th 2013
}
\begin{document}
\maketitle
...
...
@@ -69,7 +69,8 @@ The mailing list is part of the project
with the same name on
\texttt
{
ohwr.org
}
. The direct
link is
\texttt
{
http://www.ohwr.org/projects/fpga-config-space
}
.
This document describes a post-1.0 (But pre-1.1) status. It describes version 1 of the data
This document is the official 1.1 version of the specification.
It describes version 1 of the data
structures. All future
\textbf
{
compatible
}
releases of this
specification will be blessed 1.
\textit
{
x
}
, for some ever-increasing
version of
\textit
{
x
}
. A compatible specification is one that
...
...
@@ -196,7 +197,7 @@ Neither of these is strictly in the scope of SDB; but especially as
far as interrupts are concerned, we really think FPGA designs should
be converted to the concept of MSI interrupts. Message-signalled
interrupts have a number of advantages over legacy interrupts, and
don't even need any description besides what SDB already offers.
they
don't even need any description besides what SDB already offers.
A more complete discussion of this is in the wiki page of the project:
...
...
@@ -1245,7 +1246,8 @@ offsets and must be accessed as big endian.
The
\textit
{
Etherbone
}
project, is an early adopter of SDB;
it includes also a number
of tools that work with SDB structures (including
\texttt
{
eb-ls
}
that
printed the table of devices shown above). The project is at
printed the table of devices shown above).
\\
The project lives at
\texttt
{
http://www.ohwr.org/projects/etherbone-core
}
.
The
\textit
{
sdbfs
}
work started as a separate project but it is now
...
...
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