Merge "mkbootimg: add version and patch level"

am: 5417aa0cf5

* commit '5417aa0cf50bc1d5f6ea5d27de8ad7ebfa878607':
  mkbootimg: add version and patch level
This commit is contained in:
Sami Tolvanen 2016-03-08 16:08:04 +00:00 committed by android-build-merger
commit 181f429f0f
2 changed files with 26 additions and 4 deletions

View file

@ -43,7 +43,11 @@ struct boot_img_hdr
uint32_t tags_addr; /* physical addr for kernel tags */
uint32_t page_size; /* flash page size we assume */
uint32_t unused[2]; /* future expansion: should be 0 */
/* operating system version; "1.2.34" -> 010234 */
uint32_t os_version;
/* operating system patch level; "2016-01-01" -> 20160101 */
uint32_t os_patch_level;
uint8_t name[BOOT_NAME_SIZE]; /* asciiz product name */

View file

@ -20,6 +20,7 @@ from os import fstat
from struct import pack
from hashlib import sha1
import sys
import re
def filesize(f):
if f is None:
@ -47,7 +48,7 @@ def pad_file(f, padding):
def write_header(args):
BOOT_MAGIC = 'ANDROID!'.encode()
args.output.write(pack('8s', BOOT_MAGIC))
args.output.write(pack('8I',
args.output.write(pack('10I',
filesize(args.kernel), # size in bytes
args.base + args.kernel_offset, # physical load addr
filesize(args.ramdisk), # size in bytes
@ -55,8 +56,9 @@ def write_header(args):
filesize(args.second), # size in bytes
args.base + args.second_offset, # physical load addr
args.base + args.tags_offset, # physical addr for kernel tags
args.pagesize)) # flash page size we assume
args.output.write(pack('8x')) # future expansion: should be 0
args.pagesize, # flash page size we assume
args.os_version, # operating system version
args.os_patch_level)) # security patch level
args.output.write(pack('16s', args.board.encode())) # asciiz product name
args.output.write(pack('512s', args.cmdline[:512].encode()))
@ -97,6 +99,18 @@ def write_padded_file(f_out, f_in, padding):
def parse_int(x):
return int(x, 0)
def match_to_int(x):
if (x and x.lastindex == 3):
return (parse_int(x.group(3)) +
parse_int(x.group(2)) * 100 +
parse_int(x.group(1)) * 10000)
return 0
def parse_os_version(x):
return match_to_int(re.search(r'^(\d+)\.(\d{1,2})\.(\d{1,2})', x))
def parse_os_patch_level(x):
return match_to_int(re.search(r'^(\d{4,})-(\d{2})-(\d{2})', x))
def parse_cmdline():
parser = ArgumentParser()
@ -111,6 +125,10 @@ def parse_cmdline():
parser.add_argument('--ramdisk_offset', help='ramdisk offset', type=parse_int, default=0x01000000)
parser.add_argument('--second_offset', help='2nd bootloader offset', type=parse_int,
default=0x00f00000)
parser.add_argument('--os_version', help='operating system version', type=parse_os_version,
default=0)
parser.add_argument('--os_patch_level', help='operating system patch level',
type=parse_os_patch_level, default=0)
parser.add_argument('--tags_offset', help='tags offset', type=parse_int, default=0x00000100)
parser.add_argument('--board', help='board name', default='', action=ValidateStrLenAction,
maxlen=16)