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