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https://git.yoctoproject.org/meta-ti
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3fd4674264
Convert devicetree prefix matching functionality into a generic class that can be used by the kernel and wic images. That way dynamically generated KERNEL_DEVICETREE list will be the same when populating /boot dir of rootfs and/or FAT boot partition of a wic image. Signed-off-by: Denys Dmytriyenko <denys@konsulko.com> Signed-off-by: Ryan Eatmon <reatmon@ti.com>
44 lines
1.8 KiB
Plaintext
44 lines
1.8 KiB
Plaintext
# Generate list of DTBs from the kernel source
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def get_dtbs_from_kernel(dts_dir, dts_prefix):
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import os
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import glob
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matches = []
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for prefix in dts_prefix.split():
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filenames = glob.glob(dts_dir + prefix + '*.dts')
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filenames += glob.glob(dts_dir + prefix + '*.dtso')
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for filename in filenames:
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# Before v6.2 kernels DTB Overlays shared the same name as DTB files
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# so we need to search the file to find the type
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with open(filename) as f:
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file_postfix = '.dtbo' if '/plugin/;' in f.read() else '.dtb'
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filename = os.path.split(filename)[1]
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filename = os.path.splitext(filename)[0] + file_postfix
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filename = os.path.join(os.path.split(prefix)[0], filename)
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matches.append(filename)
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return ' '.join(matches)
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# Generate list of "merged" DTBs from the kernel source
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# It is TI custom feature to merge DTB overlays into a single DTB
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def get_merge_dtbs_from_kernel(dts_dir, dts_pattern):
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import os
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matches = []
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if dts_dir == "":
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return ' '
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for pattern in dts_pattern.split():
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pattern_dir = os.path.split(pattern)[0]
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pattern_target = os.path.split(pattern)[1].replace(".","-") + "s"
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makefile = dts_dir + "/" + pattern_dir + "/Makefile"
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if os.path.exists(makefile):
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with open(makefile) as f:
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if pattern_target in f.read():
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matches.append(pattern)
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return ' '.join(matches)
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KERNEL_DEVICETREE = " \
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${@get_dtbs_from_kernel('${STAGING_KERNEL_DIR}/arch/${ARCH}/boot/dts/', '${KERNEL_DEVICETREE_PREFIX}')} \
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${@get_merge_dtbs_from_kernel('${STAGING_KERNEL_DIR}/arch/${ARCH}/boot/dts/', '${KERNEL_DEVICETREE_DTBMERGE}')} \
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"
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do_image_wic[depends] += "virtual/kernel:do_shared_workdir"
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