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Keeping the rt recipes in their own layer has led to maintenance issues,
particularly with the linux-yocto-rt recipes. As these kernel types are part of
the same linux-yocto source repository, it seems reasonable to include the rt
kernel recipes alongside the standard recipes. A new recipes-rt directory for
the other recipes provides adequate separation and eliminates the need for a
separate layer.
As there is no meta-rt/conf/layer.conf to force the kernel, users must now
specify the rt kernel in their local.conf or in the machine.conf:
PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-rt"
The merging of the rt recipes into the core also eliminates complications with
multiple layer dependencies for new BSP layers. Having to either separate RT
BSPs from standard BSPs or force users to add meta-rt to bblayers even when not
building an RT BSP (because the RT BSPs in the same layer would fail to parse
without it) was sub-optimal at best.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Without a default KMACHINE and SRCREV_machine the git URL will fail to
expand to something usable and we get a parsing error. This approach was
also used in the non-rt version of this recipe.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Add images including the SDK without the addition of the grapical environment or
packages.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Remove "minimal" from the image recipe names for -rt. Additional recipes types
will be added (-rt-sdk for example) and there is no need to keep so many image
type descriptors.
Drop the -live image as it is now obsolete.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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meta-rt resides in oe-core, as such it should only support the
qemu* machines. BSP layers should add support for specific
hardware platforms.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Add the initial linux-yocto-rt_3.0 recipe.
qemumips and qemuppc doesn't work quite yet, so they have been omitted from
COMPATIBLE_MACHINE.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Use the more standard recipes-*/*/*.bb layout.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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AUTOREV is handy is a development aid, but it really shouldn't be used as a
default as it breaks the consistency and repeatability of a build. It also
causes additional fetches which may not be desired or expected.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Rename the recipe to match the linux-yocto recipe renames using the kernel
version in the PV portion of the filename.
Add the SRCREVs to the recipe as was done with the core linux-yocto recipes.
Add qemux86 as it is also present in the linux-yocto-2.6.34.git repository.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The RT kernel recipe was not updated to reflect the new git SRC_REV format nor
to take advantage of the recent updates made to the underlying infrastructure.
These fixes bring it up to date with the other linux-yocto* recipes and fix
various build issues people were seeing.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
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Add support for the atom-pc machine to the meta-rt layer. This has
been boot tested on the Intel n450 development board (Black Sand).
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
CC: Tom Zanussi <tom.zanussi@intel.com>
CC: Bruce Ashfield <bruce.ashfield@windriver.com>
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Add poky-image-minimal-rt* image recipes. They are based on the minimal recipe
and add rt-tests for basic evaluation of a board with a PREEMPT_RT kernel.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
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directory
The rt-tests test-suite is a collection of tests meant to measure the latency
and determinism of the Linux PREEMPT_RT kernel.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
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The meta-rt layer provides a preempt_rt kernel recipe
using the linux-yocto-stable git tree. It overrides
the virtual/kernel provider and defines the compatible
machines and per-machine SRCREVs. The initial layer
supports only qemux86-64.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>
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Darren Hart
Saul Wold
Richard Purdie