def _generate_boot_partition(self):
"""
Generates the start and size (in cylinders) of the boot partition.
"""
boot = Partition('boot')
# Config variables
boot_partition_size_mb = \
self._config.get_clean('CONFIG_INSTALLER_UBOOT_PARTITION_SIZE')
if self._config.has_option('CONFIG_BSP_ARCH_SD_CARD_INSTALLER_BOOTLOADER_OUT_OF_FS'):
boot.start = 1 # Leave room for the MBR at cylinder 0
else:
boot.start = 0
if boot_partition_size_mb == geometry.FULL_SIZE:
boot.size = geometry.FULL_SIZE
else:
boot_partition_size_b = float(int(boot_partition_size_mb) << 20)
boot_partition_size = math.ceil(boot_partition_size_b /
geometry.CYLINDER_BYTE_SIZE)
boot.size = int(boot_partition_size)
# Boot partition is bootable
boot.bootable = True
# Boot partition is FAT32/VFAT
boot.type = Partition.TYPE_FAT32_LBA
boot.filesystem = Partition.FILESYSTEM_VFAT
# Boot components are: bootloader and kernel.
boot.components = [boot.COMPONENT_BOOTLOADER, boot.COMPONENT_KERNEL]
self._partitions.append(boot)
def _generate_rootfs_partition(self):
"""
Generates the information for the rootfs (filesystem) partition.
"""
rootfs = Partition('rootfs')
rootfs.filesystem = Partition.FILESYSTEM_UNKNOWN
if self._config.has_option('CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT3'):
rootfs.filesystem = Partition.FILESYSTEM_EXT3
elif self._config.has_option('CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT4'):
rootfs.filesystem = Partition.FILESYSTEM_EXT4
elif self._config.has_option('CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT4_NO_JOURNAL'):
rootfs.filesystem = Partition.FILESYSTEM_EXT4_WRITEBACK
rootfs.type = Partition.TYPE_UNKNOWN
if (rootfs.filesystem == Partition.FILESYSTEM_EXT3 or
rootfs.filesystem == Partition.FILESYSTEM_EXT4 or
rootfs.filesystem == Partition.FILESYSTEM_EXT4_WRITEBACK):
rootfs.type = Partition.TYPE_LINUX_NATIVE
# If the partition filesystem for rootfs was not specified, assume
# Linux native, ext4.
if rootfs.filesystem == Partition.FILESYSTEM_UNKNOWN:
rootfs.filesystem = Partition.FILESYSTEM_EXT4
rootfs.type = Partition.TYPE_LINUX_NATIVE
# Take the whole SD card
rootfs.start = 1
rootfs.size = geometry.FULL_SIZE
rootfs.bootable = False
rootfs.components = [rootfs.COMPONENT_ROOTFS]
self._partitions.append(rootfs)
def _generate_rootfs_partition(self):
"""
Generates the information for the rootfs (filesystem) partition.
"""
rootfs = Partition('rootfs')
rootfs.filesystem = Partition.FILESYSTEM_UNKNOWN
if self._config.has_option('CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT3'):
rootfs.filesystem = Partition.FILESYSTEM_EXT3
elif self._config.has_option('CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT4'):
rootfs.filesystem = Partition.FILESYSTEM_EXT4
elif self._config.has_option(
'CONFIG_INSTALLER_SD_ROOTFS_TYPE_EXT4_NO_JOURNAL'):
rootfs.filesystem = Partition.FILESYSTEM_EXT4_WRITEBACK
rootfs.type = Partition.TYPE_UNKNOWN
if (rootfs.filesystem == Partition.FILESYSTEM_EXT3
or rootfs.filesystem == Partition.FILESYSTEM_EXT4
or rootfs.filesystem == Partition.FILESYSTEM_EXT4_WRITEBACK):
rootfs.type = Partition.TYPE_LINUX_NATIVE
# If the partition filesystem for rootfs was not specified, assume
# Linux native, ext4.
if rootfs.filesystem == Partition.FILESYSTEM_UNKNOWN:
rootfs.filesystem = Partition.FILESYSTEM_EXT4
rootfs.type = Partition.TYPE_LINUX_NATIVE
# Take the whole SD card
rootfs.start = 1
rootfs.size = geometry.FULL_SIZE
rootfs.bootable = False
rootfs.components = [rootfs.COMPONENT_ROOTFS]
self._partitions.append(rootfs)
def _generate_boot_partition(self):
boot = Partition('boot')
if self._config.has_option('CONFIG_BSP_ARCH_SD_CARD_INSTALLER_BOOTLOADER_OUT_OF_FS'):
boot.start = 1 # Leave room for the MBR at cylinder 0
else:
boot.start = 0
boot.size = geometry.FULL_SIZE
boot.bootable = True
boot.type = Partition.TYPE_FAT32_LBA
boot.filesystem = Partition.FILESYSTEM_VFAT
boot.components = [boot.COMPONENT_BOOTLOADER]
self._partitions.append(boot)
def _generate_boot_partition(self):
boot = Partition('boot')
if self._config.has_option(
'CONFIG_BSP_ARCH_SD_CARD_INSTALLER_BOOTLOADER_OUT_OF_FS'):
boot.start = 1 # Leave room for the MBR at cylinder 0
else:
boot.start = 0
boot.size = geometry.FULL_SIZE
boot.bootable = True
boot.type = Partition.TYPE_FAT32_LBA
boot.filesystem = Partition.FILESYSTEM_VFAT
boot.components = [boot.COMPONENT_BOOTLOADER]
self._partitions.append(boot)
def _generate_boot_partition(self):
"""
Generates the start and size (in cylinders) of the boot partition.
"""
boot = Partition('boot')
# Config variables
boot_partition_size_mb = \
self._config.get_clean('CONFIG_INSTALLER_UBOOT_PARTITION_SIZE')
if self._config.has_option(
'CONFIG_BSP_ARCH_SD_CARD_INSTALLER_BOOTLOADER_OUT_OF_FS'):
boot.start = 1 # Leave room for the MBR at cylinder 0
else:
boot.start = 0
if boot_partition_size_mb == geometry.FULL_SIZE:
boot.size = geometry.FULL_SIZE
else:
boot_partition_size_b = float(int(boot_partition_size_mb) << 20)
boot_partition_size = math.ceil(boot_partition_size_b /
geometry.CYLINDER_BYTE_SIZE)
boot.size = int(boot_partition_size)
# Boot partition is bootable
boot.bootable = True
# Boot partition is FAT32/VFAT
boot.type = Partition.TYPE_FAT32_LBA
boot.filesystem = Partition.FILESYSTEM_VFAT
# Boot components are: bootloader and kernel.
boot.components = [boot.COMPONENT_BOOTLOADER, boot.COMPONENT_KERNEL]
self._partitions.append(boot)
def read(self, filename):
"""
Reads the partitions information from the given file.
Side effect: Existing information for partitions will be overwritten.
"""
if not os.path.exists(filename):
self._logger.error('File %s does not exist' % filename)
return
# Reset the list
self._partitions[:] = []
config = ConfigParser.RawConfigParser()
config.readfp(open(filename))
# Uboot
if config.has_section("boot"):
name = ""
size = ""
start = ""
part_type = ""
filesystem = ""
bootable = False
if config.has_option("boot", "name"):
name = config.get("boot", "name")
if config.has_option("boot", "start"):
start = config.get("boot", "start")
if config.has_option("boot", "size"):
size = config.get("boot", "size")
if config.has_option("boot", "bootable"):
bootable = config.getboolean("boot", "bootable")
if config.has_option("boot", "type"):
part_type = config.get("boot", "type")
if config.has_option("boot", "filesystem"):
filesystem = config.get("boot", "filesystem")
uboot = Partition(name)
uboot.start = int(start)
if size == geometry.FULL_SIZE:
uboot.size = size
else:
uboot.size = int(size)
uboot.bootable = bootable
uboot.type = part_type
uboot.filesystem = filesystem
self._partitions.append(uboot)
# Filesystem
if config.has_section("rootfs"):
name = ""
size = ""
start = ""
part_type = ""
filesystem = ""
bootable = False
if config.has_option("rootfs", "name"):
name = config.get("rootfs", "name")
if config.has_option("rootfs", "start"):
start = config.get("rootfs", "start")
if config.has_option("rootfs", "size"):
size = config.get("rootfs", "size")
if config.has_option("rootfs", "bootable"):
bootable = config.getboolean("rootfs", "bootable")
if config.has_option("rootfs", "type"):
part_type = config.get("rootfs", "type")
if config.has_option("rootfs", "filesystem"):
filesystem = config.get("rootfs", "filesystem")
fs = Partition(name)
fs.start = int(start)
if size == geometry.FULL_SIZE:
fs.size = size
else:
fs.size = int(size)
fs.bootable = bootable
fs.type = part_type
fs.filesystem = filesystem
self._partitions.append(fs)
def read(self, filename):
"""
Reads the partitions information from the given file.
Side effect: Existing information for partitions will be overwritten.
"""
if not os.path.exists(filename):
self._logger.error('File %s does not exist' % filename)
return
# Reset the list
self._partitions[:] = []
config = ConfigParser.RawConfigParser()
config.readfp(open(filename))
# Uboot
if config.has_section("boot"):
name = ""
size = ""
start = ""
part_type = ""
filesystem = ""
bootable = False
if config.has_option("boot", "name"):
name = config.get("boot", "name")
if config.has_option("boot", "start"):
start = config.get("boot", "start")
if config.has_option("boot", "size"):
size = config.get("boot", "size")
if config.has_option("boot", "bootable"):
bootable = config.getboolean("boot", "bootable")
if config.has_option("boot", "type"):
part_type = config.get("boot", "type")
if config.has_option("boot", "filesystem"):
filesystem = config.get("boot", "filesystem")
uboot = Partition(name)
uboot.start = int(start)
if size == geometry.FULL_SIZE:
uboot.size = size
else:
uboot.size = int(size)
uboot.bootable = bootable
uboot.type = part_type
uboot.filesystem = filesystem
self._partitions.append(uboot)
# Filesystem
if config.has_section("rootfs"):
name = ""
size = ""
start = ""
part_type = ""
filesystem = ""
bootable = False
if config.has_option("rootfs", "name"):
name = config.get("rootfs", "name")
if config.has_option("rootfs", "start"):
start = config.get("rootfs", "start")
if config.has_option("rootfs", "size"):
size = config.get("rootfs", "size")
if config.has_option("rootfs", "bootable"):
bootable = config.getboolean("rootfs", "bootable")
if config.has_option("rootfs", "type"):
part_type = config.get("rootfs", "type")
if config.has_option("rootfs", "filesystem"):
filesystem = config.get("rootfs", "filesystem")
fs = Partition(name)
fs.start = int(start)
if size == geometry.FULL_SIZE:
fs.size = size
else:
fs.size = int(size)
fs.bootable = bootable
fs.type = part_type
fs.filesystem = filesystem
self._partitions.append(fs)