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buildroot
Signed-off-by: Mahammed Sadik Shaik <s-sadik@ti.com>
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‎.rstcheck.cfg‎

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[rstcheck]
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ignore_directives = ifconfig,tabs,tab,group-tab,code-tab
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ignore_directives = ifconfig,tabs,tab,group-tab,code-tab,graphviz
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# ignore the following languages because they require external compilers and
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# snippets in this repo depend on external code
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ignore_languages = c,cpp,c++

‎source/buildroot/Overview.rst‎

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@@ -48,366 +48,8 @@ The open-source Linux\ :sup:`®` distribution, based on the Buildroot build syst
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Each component in the diagram below is a **clickable hyperlink** that navigates
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directly to the corresponding source repository or documentation.
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.. container:: buildroot-arch-diagram
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.. graphviz::
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:caption: Buildroot-based Linux Architecture for TI Devices
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digraph buildroot_architecture {
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rankdir=TB;
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graph [splines=ortho, nodesep=0.7, ranksep=0.9,
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fontname="Arial", pad=0.7, bgcolor="white"];
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node [fontname="Arial", fontsize=7, margin=0];
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edge [fontname="Arial", fontsize=13, penwidth=2.5,
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arrowsize=1.5];
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subgraph cluster_outer {
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label="Buildroot-based Linux(R) Embedded Software for TI Devices";
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style="filled,bold";
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fillcolor="#F0F4FF";
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color="#1A237E";
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penwidth=5;
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fontsize=26;
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fontcolor="#1A237E";
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fontname="Arial Bold";
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legend [
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shape=none,
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label=<
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<TABLE BORDER="2" CELLBORDER="0" CELLSPACING="4"
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CELLPADDING="5" BGCOLOR="#FAFAFA"
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COLOR="#424242" STYLE="ROUNDED">
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<TR>
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<TD COLSPAN="2" BGCOLOR="#424242"
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STYLE="ROUNDED" WIDTH="150">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>Legend</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#2E7D32" STYLE="ROUNDED"
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WIDTH="18" HEIGHT="18">
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<FONT COLOR="white" POINT-SIZE="4"> </FONT>
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</TD>
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<TD ALIGN="LEFT" WIDTH="130">
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<FONT COLOR="#2E7D32" POINT-SIZE="11">
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<B>Applications Layer</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#E65100" STYLE="ROUNDED"
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WIDTH="18" HEIGHT="18">
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<FONT COLOR="white" POINT-SIZE="4"> </FONT>
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</TD>
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<TD ALIGN="LEFT" WIDTH="130">
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<FONT COLOR="#E65100" POINT-SIZE="11">
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<B>Buildroot Build System</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#4527A0" STYLE="ROUNDED"
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WIDTH="18" HEIGHT="18">
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<FONT COLOR="white" POINT-SIZE="4"> </FONT>
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</TD>
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<TD ALIGN="LEFT" WIDTH="130">
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<FONT COLOR="#4527A0" POINT-SIZE="11">
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<B>TI BSP Components</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#880E4F" STYLE="ROUNDED"
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WIDTH="18" HEIGHT="18">
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<FONT COLOR="white" POINT-SIZE="4"> </FONT>
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</TD>
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<TD ALIGN="LEFT" WIDTH="130">
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<FONT COLOR="#880E4F" POINT-SIZE="11">
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<B>Build Artifacts</B>
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</FONT>
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</TD>
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</TR>
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</TABLE>
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>
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];
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apps [
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shape=none,
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label=<
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<TABLE BORDER="4" CELLBORDER="0" CELLSPACING="7"
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CELLPADDING="7" BGCOLOR="#E8F5E9"
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COLOR="#2E7D32" STYLE="ROUNDED">
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<TR>
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<TD COLSPAN="2" BGCOLOR="#2E7D32"
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STYLE="ROUNDED" WIDTH="219">
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<FONT COLOR="white" POINT-SIZE="15">
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<B>&#9312; Applications</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#43A047" STYLE="ROUNDED"
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WIDTH="103" HEIGHT="51">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>GUI Applications</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#43A047" STYLE="ROUNDED"
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WIDTH="103" HEIGHT="51">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>Custom Applications</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#66BB6A" STYLE="ROUNDED"
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WIDTH="103" HEIGHT="51">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>Trusted Applications</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#66BB6A" STYLE="ROUNDED"
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WIDTH="103" HEIGHT="51">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>Middleware and Libraries</B>
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</FONT>
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</TD>
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</TR>
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</TABLE>
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>
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];
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buildroot [
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shape=none,
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label=<
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<TABLE BORDER="4" CELLBORDER="0" CELLSPACING="7"
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CELLPADDING="11" BGCOLOR="#FFFDE7"
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COLOR="#E65100" STYLE="ROUNDED">
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<TR>
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<TD COLSPAN="2" BGCOLOR="#E65100"
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STYLE="ROUNDED" WIDTH="336"
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HREF="https://gitlab.com/buildroot.org/buildroot/"
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TARGET="_blank"
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TOOLTIP="Buildroot official repository">
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<FONT COLOR="white" POINT-SIZE="23">
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<B>&#9313; Buildroot Build System</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#F9A825" STYLE="ROUNDED"
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WIDTH="162" HEIGHT="78"
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HREF="https://gitlab.com/buildroot.org/buildroot/"
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TARGET="_blank"
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TOOLTIP="Buildroot Core repository">
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<FONT COLOR="#3E2723" POINT-SIZE="19">
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<B>Buildroot</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#FFB300" STYLE="ROUNDED"
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WIDTH="162" HEIGHT="78"
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HREF="https://github.com/TexasInstruments/buildroot-external-TI"
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TARGET="_blank"
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TOOLTIP="TI Buildroot external tree repository">
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<FONT COLOR="#3E2723" POINT-SIZE="19">
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<B>Buildroot External-TI</B>
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</FONT>
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</TD>
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</TR>
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</TABLE>
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>
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];
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artifacts [
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shape=none,
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label=<
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<TABLE BORDER="4" CELLBORDER="0" CELLSPACING="7"
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CELLPADDING="7" BGCOLOR="#F3E5F5"
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COLOR="#880E4F" STYLE="ROUNDED">
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<TR>
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<TD BGCOLOR="#880E4F" STYLE="ROUNDED" WIDTH="147">
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<FONT COLOR="white" POINT-SIZE="15">
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<B>Build Artifacts</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#AD1457" STYLE="ROUNDED" HEIGHT="47">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>SD Card Image</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#C2185B" STYLE="ROUNDED" HEIGHT="47">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>Boot Artifacts</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#D81B60" STYLE="ROUNDED" HEIGHT="47">
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<FONT COLOR="white" POINT-SIZE="13">
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<B>Root Filesystem</B>
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</FONT>
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</TD>
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</TR>
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</TABLE>
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>
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];
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tibsp [
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shape=none,
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label=<
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<TABLE BORDER="4" CELLBORDER="0" CELLSPACING="7"
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CELLPADDING="7" BGCOLOR="#EDE7F6"
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COLOR="#4527A0" STYLE="ROUNDED">
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<TR>
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<TD COLSPAN="4" BGCOLOR="#4527A0"
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STYLE="ROUNDED" WIDTH="351">
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<FONT COLOR="white" POINT-SIZE="15">
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<B>&#9314; TI BSP Components</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD COLSPAN="4" BGCOLOR="#512DA8" STYLE="ROUNDED">
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<FONT COLOR="white" POINT-SIZE="11">
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<B>Firmware and Security Components</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#7B1FA2" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/"
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TARGET="_blank"
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TOOLTIP="Trusted Firmware-A repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>TF-A</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#8E24AA" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://github.com/OP-TEE/optee_os"
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TARGET="_blank"
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TOOLTIP="OP-TEE OS repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>OP-TEE</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#AB47BC" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://git.ti.com/cgit/processor-firmware/ti-linux-firmware"
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TARGET="_blank"
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TOOLTIP="TI Linux Firmware repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>TI Linux Firmware</B>
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<BR/>
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<FONT POINT-SIZE="8">
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(N/A for AM62Lx-EVM)
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</FONT>
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</FONT>
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</TD>
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<TD BGCOLOR="#9C27B0" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://github.com/u-boot/u-boot"
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TARGET="_blank"
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TOOLTIP="U-Boot repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>U-Boot</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD COLSPAN="4" BGCOLOR="#1565C0" STYLE="ROUNDED">
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<FONT COLOR="white" POINT-SIZE="11">
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<B>Linux Kernel Components</B>
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</FONT>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="#1976D2" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/"
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TARGET="_blank"
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TOOLTIP="Linux Kernel repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>TI Linux Kernel</B>
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</FONT>
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</TD>
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<TD COLSPAN="2" BGCOLOR="#1E88E5"
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STYLE="ROUNDED" HEIGHT="51"
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HREF="https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel"
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TARGET="_blank"
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TOOLTIP="TI Linux Kernel repository">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>TI Kernel Drivers</B>
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</FONT>
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</TD>
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<TD BGCOLOR="#42A5F5" STYLE="ROUNDED"
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WIDTH="81" HEIGHT="51"
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HREF="https://github.com/torvalds/linux/tree/master/arch/arm64/boot/dts/ti"
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TARGET="_blank"
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TOOLTIP="TI Device Tree sources">
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<FONT COLOR="white" POINT-SIZE="12">
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<B>Device Tree</B>
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</FONT>
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</TD>
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</TR>
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</TABLE>
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>
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];
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}
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// Invisible anchor node for right column row 3
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anc_top [style=invis, width=0, height=0, label=""];
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// Row 1: apps (left) | legend (right)
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{ rank=same; apps; legend; }
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// Row 2: buildroot (left) | artifacts (right)
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{ rank=same; buildroot; artifacts; }
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// Row 3: tibsp (left) | anchor (right)
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{ rank=same; tibsp; anc_top; }
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// Data-flow edges
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apps -> buildroot [
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color="#2E7D32",
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penwidth=3.0,
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arrowsize=1.5,
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fontcolor="#2E7D32",
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fontsize=13,
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fontname="Arial Bold"
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];
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tibsp -> buildroot [
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color="#4527A0",
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penwidth=3.0,
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arrowsize=1.5,
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fontcolor="#4527A0",
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fontsize=13,
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fontname="Arial Bold"
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];
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buildroot -> artifacts [
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color="#E65100",
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penwidth=3.5,
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arrowsize=1.8,
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label=" Output ",
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fontcolor="#E65100",
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fontsize=13,
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fontname="Arial Bold",
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style=bold
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];
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// Invisible ordering edges
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apps -> buildroot [style=invis, weight=10];
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buildroot -> tibsp [style=invis, weight=10];
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legend -> artifacts [style=invis, weight=10];
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artifacts -> anc_top [style=invis, weight=10];
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}
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.. graphviz:: buildroot_architecture.gv
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:caption: Buildroot-based Linux Architecture for TI Devices
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*************************
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Key Features of Buildroot

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