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The microcode data file released by Intel has microcode for many Intel
processors, which by default all get installed onto the target image.
In some situations it may desirable to choose microcode for only a
selected processor or processors. This change provides an easier way
to filter and select only the microcode of interest for BSPs from
recipe space.
A new variable, UCODE_FILTER_PARAMETERS, is introduced, which can be
defined to contain parameters to the iucode_tool which will filter the
microcode of interest for the BSP under consideration. More
information on the iucode-tool parameters is available here:
http://manned.org/iucode-tool.
This filtering makes the generated microcode files very
machine-specific, hence making the recipe machine-specific. BSPs using
the common Intel kernel will not be using the filtered microcode, and
will be able to share the intel-microcode packages with the common
Intel package arch for the recipe.
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
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The iucode-tool is needed for applying microcode updates from
userland.
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
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package_deb doesn't yet handle non-ASCII characters in control files, so remove
a unicode "registered trademark" character.
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
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This recipe provides the microcode datafile for Intel Processors.
The recipe provides:
1. microcode.dat file for microcode updating from user space with the
iucode-tool utility.
2. the microcode cpio file which gets bundled with the initrd to support
microcode loading at early boot time.
[ YOCTO #5114 ]
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
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iucode_tool is a program to manipulate Intel i686 and X86-64 processor
microcode update collections, and to use the kernel facilities to update
the microcode on Intel system processors.
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
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