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# The offsets of the partitions that change when Hoth is enabled
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# From the device tree, in kB
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FLASH_IMAGE_DESC_OFFSET:hoth = "${@960 if FLASH_SIZE == '65536' else 7232}"
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FLASH_HOTH_UPDATE_OFFSET:hoth = "${@1024 if FLASH_SIZE == '65536' else 31744}"
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FLASH_HOTH_MAILBOX_OFFSET:hoth = "${@65472 if FLASH_SIZE == '65536' else 7168}"
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FLASH_HOTH_SECONDARY_OFFSET:hoth = "${@61376 if FLASH_SIZE == '65536' else 7296}"
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# 64 bit kernels are larger, so they require a different layout
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FLASH_IMAGE_DESC_OFFSET:hoth:aarch64 = "${@61312 if FLASH_SIZE == '65536' else 7232}"
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FLASH_HOTH_UPDATE_OFFSET:hoth:aarch64 = "${@61376 if FLASH_SIZE == '65536' else 31744}"
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# Leave a zero-size u-boot env partition.
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FLASH_UBOOT_ENV_OFFSET = "${FLASH_KERNEL_OFFSET}"
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FLASH_UBOOT_ENV_OFFSET:flash-65536 = "${FLASH_KERNEL_OFFSET:flash-65536}"
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# Support BMC image to have secondary hoth firmware
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ENABLE_HOTH_SECONDARY ?= "no"
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python do_generate_static:append() {
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_append_image(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True),
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'image-hoth-update'),
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int(d.getVar('FLASH_HOTH_UPDATE_OFFSET', True)),
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int(d.getVar('FLASH_SIZE', True)))
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if d.getVar('ENABLE_HOTH_SECONDARY',True) == 'yes':
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_append_image(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True),
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'image-hoth-update-2nd'),
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int(d.getVar('FLASH_HOTH_SECONDARY_OFFSET', True)),
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int(d.getVar('FLASH_RWFS_OFFSET', True)))
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}
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do_generate_static[depends] += "virtual/hoth-firmware:do_deploy"
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do_generate_static[depends] += "${@'virtual/hoth-firmware-2nd:do_deploy' if ENABLE_HOTH_SECONDARY == 'yes' else ''}"
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python do_generate_layout () {
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import time
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import json
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def convertPart(name, startKb, endKb, static=False, wp=False, persist=False):
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regionTypes = []
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extraAttrs = {}
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if static:
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regionTypes.append('STATIC')
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if wp:
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regionTypes.append('WRITE_PROTECTED')
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if persist:
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regionTypes.append('PERSISTENT')
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if name == 'hoth_mailbox':
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regionTypes.append('MAILBOX')
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extraAttrs['mailbox_length'] = 1024
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start = int(startKb) * 1024
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end = int(endKb) * 1024
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return {
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'name': name,
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'offset': start,
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'length': end - start,
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'region_type': regionTypes,
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**extraAttrs,
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}
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# TODO: make this work for Aspeed too
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region = [
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convertPart(
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'u_boot',
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d.getVar('FLASH_UBOOT_OFFSET'),
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d.getVar('FLASH_KERNEL_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'kernel',
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d.getVar('FLASH_KERNEL_OFFSET'),
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d.getVar('FLASH_ROFS_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'rofs',
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d.getVar('FLASH_ROFS_OFFSET'),
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d.getVar('FLASH_IMAGE_DESC_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'image_descriptor',
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d.getVar('FLASH_IMAGE_DESC_OFFSET'),
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'hoth_update',
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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d.getVar('FLASH_RWFS_OFFSET')),
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convertPart(
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'rwfs',
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d.getVar('FLASH_RWFS_OFFSET'),
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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persist=True),
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convertPart(
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'hoth_mailbox',
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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d.getVar('FLASH_SIZE')),
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] if d.getVar('TARGET_ARCH') == "aarch64" else [
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convertPart(
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'u_boot',
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d.getVar('FLASH_UBOOT_OFFSET'),
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d.getVar('FLASH_IMAGE_DESC_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'image_descriptor',
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d.getVar('FLASH_IMAGE_DESC_OFFSET'),
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'hoth_update',
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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d.getVar('FLASH_KERNEL_OFFSET')),
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convertPart(
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'kernel',
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d.getVar('FLASH_KERNEL_OFFSET'),
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d.getVar('FLASH_ROFS_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'rofs',
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d.getVar('FLASH_ROFS_OFFSET'),
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d.getVar('FLASH_HOTH_SECONDARY_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'hoth_secondary',
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d.getVar('FLASH_HOTH_SECONDARY_OFFSET'),
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d.getVar('FLASH_RWFS_OFFSET')),
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convertPart(
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'rwfs',
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d.getVar('FLASH_RWFS_OFFSET'),
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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persist=True),
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convertPart(
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'hoth_mailbox',
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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d.getVar('FLASH_SIZE')),
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] if d.getVar('FLASH_SIZE') == '65536' else [
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convertPart(
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'u_boot',
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d.getVar('FLASH_UBOOT_OFFSET'),
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d.getVar('FLASH_KERNEL_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'kernel',
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d.getVar('FLASH_KERNEL_OFFSET'),
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'hoth_mailbox',
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d.getVar('FLASH_HOTH_MAILBOX_OFFSET'),
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d.getVar('FLASH_IMAGE_DESC_OFFSET')),
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convertPart(
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'image_descriptor',
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d.getVar('FLASH_IMAGE_DESC_OFFSET'),
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d.getVar('FLASH_ROFS_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'rofs',
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d.getVar('FLASH_ROFS_OFFSET'),
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d.getVar('FLASH_RWFS_OFFSET'),
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static=True,
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wp=True),
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convertPart(
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'rwfs',
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d.getVar('FLASH_RWFS_OFFSET'),
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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persist=True),
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convertPart(
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'hoth_update',
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d.getVar('FLASH_HOTH_UPDATE_OFFSET'),
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d.getVar('FLASH_SIZE')),
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]
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machine = d.getVar('MACHINE')
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platform = d.getVar('PLATFORM')
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name = '{} {} image'.format(machine, d.getVar('DISTRO'))
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version = d.getVar('GBMC_VERSION').split('.')
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if not platform:
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raise NameError('PLATFORM not found, unable to generate layout, stopping build')
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layout = {
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'name': name,
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'major': int(version[0]),
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'minor': int(version[1]),
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'point': int(version[2]),
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'subpoint': int(version[3]),
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'platform': platform,
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'flash_capacity': int(d.getVar('FLASH_SIZE')) * 1024,
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'build_timestamp': int(time.time()),
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'region': region,
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}
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dir = d.getVar('DEPLOY_DIR_IMAGE')
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os.makedirs(dir, exist_ok=True)
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path = os.path.join(dir, 'cr51-image-layout.json')
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with open(path, 'w') as f:
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json.dump(layout, f, sort_keys=True, indent=4)
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}
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addtask generate_layout before do_image_complete
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