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ref-manual: Added variable description for SPL_BINARY

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(From yocto-docs rev: 00e579123540006c364f7751a37e29c74acf361b)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2018-03-27 15:01:18 -07:00
committed by Richard Purdie
parent 40e4b86836
commit 376637d678
1 changed files with 42 additions and 0 deletions
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documentation/ref-manual/ref-variables.xml
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@@ -12982,6 +12982,48 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
</glossdef>
</glossentry>
<glossentry id='var-SPL_BINARY'><glossterm>SPL_BINARY</glossterm>
<info>
SPL_BINARY[doc] = "The file type of the Secondary Program Loader (SPL)."
</info>
<glossdef>
<para role="glossdeffirst">
<!-- <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
The file type for the Secondary Program Loader (SPL).
Some devices use an SPL from which to boot (e.g. the
BeagleBone development board).
For such cases, you can declare the file type of the
SPL binary in the <filename>u-boot.inc</filename> include
file, which is used in the U-Boot recipe.
</para>
<para>
The SPL file type is set to "null" by default in the
<filename>u-boot.inc</filename> file as follows:
<literallayout class='monospaced'>
# Some versions of u-boot build an SPL (Second Program Loader) image that
# should be packaged along with the u-boot binary as well as placed in the
# deploy directory. For those versions they can set the following variables
# to allow packaging the SPL.
SPL_BINARY ?= ""
SPL_BINARYNAME ?= "${@os.path.basename(d.getVar("SPL_BINARY"))}"
SPL_IMAGE ?= "${SPL_BINARYNAME}-${MACHINE}-${PV}-${PR}"
SPL_SYMLINK ?= "${SPL_BINARYNAME}-${MACHINE}"
</literallayout>
The <filename>SPL_BINARY</filename> variable helps form
various <filename>SPL_*</filename> variables used by
the OpenEmbedded build system.
</para>
<para>
See the BeagleBone machine configuration example in the
"<ulink url='&YOCTO_DOCS_BSP_URL;#creating-a-new-bsp-layer-using-the-bitbake-layers-script'>Creating a new BSP Layer Using the <filename>bitbake-layers</filename> Script</ulink>"
section in the Yocto Project Board Support Package
Developer's Guide for additional information.
</para>
</glossdef>
</glossentry>
<glossentry id='var-SRC_URI'><glossterm>SRC_URI</glossterm>
<info>
SRC_URI[doc] = "The list of source files - local or remote. This variable tells the OpenEmbedded build system what bits to pull in for the build and how to pull them in."