Android Build-Make otapackage (Overall)

Process analysis for Android make Otapackage, based on 4.0.4_r2-1

Code Files directory: Aosp/build/core/makefile

. Phony:otapackageotapackage: $ (internal_ota_package_target)

Internal_ota_package_target: = $ (product_out)/$ (name). zip$ (Internal_ota_package_target): Key_cert_pair: = $ (DEFAULT  _key_cert_pair) $ (internal_ota_package_target): $ (built_target_files_package) $ (otatools) @echo "package OTA: [Email Protected] "$ (hide)./build/tools/releasetools/ota_from_target_files-v-P $ (host_out)-K $ ( Key_cert_pair) \ $ (built_target_files_package) [email protected]

1 lines: Is the target we need to generate, $ (product_out)/$ (name). zip. Contains the path $ (product_out) and the file name $ (name). zip

$ (product_out)

# depending on the various images guarantees that the underlying#  directories are up-to-date.$ (built_target_files_package):                  $ (Installed_bootimage_target)                   $ (INSTALLED_ Radioimage_target)                   $ (Installed_recoveryimage_target)                   $ (installed_systemimage)                   $ (Installed_userdataimage_target)                   $ (INSTALLED_ANDROID_ Info_txt_target)    &Nbsp;             $ (Built_ota_tools)                   $ (APKCERTS_ FILE)                  $ ( Host_out_executables)/fs_config                  | $ (ACP)          @echo   "package  Target files: [email protected] "        $ (hide)  rm  -rf [email protected] $ (zip_root)         $ (hide)  mkdir -p $ (dir [email protected])  $ (zip_root)          @# Components of the recovery image         $ (Hide)  mkdir -p $ (zip_root)/recovery        $ (hide)  $ ( call package_files-copy-root,                  $ (Target_recovery_root_out), $ (zip_root)/recovery/ramdisk) ifdef INSTALLED_ kernel_target        $ (hide)  $ (ACP)  $ (INSTALLED_KERNEL_ TARGET)  $ (zip_root)/recovery/kernelendififdef installed_2ndbootloader_target         $ (hide)  $ (ACP)                   $ (Installed_2ndbootloader_target)  $ (zip_root)/RECOVERY/ secondendififdef board_kernel_cmdline        $ (hide)  echo   "$ (board_kernel_cmdline)"  > $ (zip_root)/recovery/cmdlineendififdef board_kernel_base         $ (hide)  echo  "$ (board_kernel_base)"  > $ (zip_root)/recovery/baseendififdef  board_kernel_pagesize        $ (hide)  echo  "$ (board_kernel_ PAGESIZE) " > $ (zip_root)/recovery/pagesizeendif        @#  components of the boot image        $ (Hide)  mkdir -p $ (zip_root)/boot        $ (hide)  $ (call  package_files-copy-root,                  $ (Target_root_out), $ (zip_root)/boot/ramdisk) ifdef installed_kernel_target         $ (hide)  $ (ACP)  $ (installed_kernel_target)  $ (zip_root) /boot/kernelendififdef installed_2ndbootloader_target        $ ( Hide)  $ (ACP)  &Nbsp;               $ (INSTALLED_ 2ndbootloader_target)  $ (zip_root)/boot/secondendififdef board_kernel_cmdline         $ (hide)  echo  "$ (board_kernel_cmdline)"  > $ (zip_root)/boot/ cmdlineendififdef board_kernel_base        $ (hide)  echo   "$ (board_kernel_base)"  > $ (zip_root)/boot/baseendififdef board_kernel_pagesize         $ (hide)  echo  "$ (board_kernel_pagesize)"  > $ ( Zip_root)/boot/pagesizeendif        $ (hide)  $ (foreach t,$ ( Installed_radioimage_target),                     mkdir -p $ (zip_root)/radio;                      $ (ACP)  $ (t)  $ (zip_root)/RADIO/$ ( notdir $ (t));)         @# Contents of the  system image        $ (hide)  $ (call package_ files-copy-root,                  $ (Systemimage_source_dir), $ (zip_root)/system)         @#  contents of the data image        $ (Hide)  $ (call package_files-copy-root,                  $ (Target_out_data), $ (zip_root)/data)          @# Extra contents of the OTA package         $ (hide)  mkdir -p $ (zip_root)/ota/bin        $ (hide)  $ (ACP)  $ (INSTALLED_ Android_info_txt_target)  $ (zip_root)/ota/        $ (hide)  $ ( ACP)  $ (private_ota_tools)  $ (zip_root)/ota/bin/        @#  Files that do not end up in any images, but are  necessary to        @# build them.         $ (hide)  mkdir -p $ (zip_root)/meta         $ (hide)  $ (ACP)  $ (apkcerts_file)  $ (zip_root)/meta/apkcerts.txt         $ (hide)  echo  "$ (Product_ota_public_keys)"  > $ (Zip_ Root)/meta/otakeys.txt        $ (hide)  echo  "Recovery_api_ version=$ (Private_recovery_api_version) " > $ (zip_root)/meta/misc_info.txtifdef board_flash_block_size         $ (hide)  echo  "blocksize=$ (board_flash_block_size)"  >>  $ (zip_root)/meta/misc_info.txtendififdef board_bootimage_partition_size         $ (hide)  echo  "boot_size=$ (board_bootimage_partition_size)"  >> $ ( Zip_root)/meta/misc_info.txtendififdef board_recoveryimage_partition_size         $ (hide)  echo  "recovery_size=$ (board_recoveryimage_partition_size)"  >>  $ (zip_root)/meta/misc_info.txtendififdef board_systemimage_partition_size         $ (hide)  echo  "system_size=$ (board_systemimage_partition_size)"  >>  $ (zip_root)/meta/misc_info.txtendififdef board_userdataimage_partition_size         $ (HIDE)  echo  "userdata_size=$ (board_userdataimage_partition_size)"  >> $ (zip_root)/META/ misc_info.txtendif        $ (hide)  echo  "tool_extensions=$ ( tool_extensions) " >> $ (zip_root)/meta/misc_info.txtifdef mkyaffs2_extra_flags         $ (hide)  echo  "mkyaffs2_extra_flags=$ (mkyaffs2_extra_flags)"  >> $ (zip_root)/meta/misc_info.txtendififdef internal_userimages_sparse_ext_flag         $ (hide)  echo  "extfs_sparse_flag=$ (Internal_userimages_ Sparse_ext_flag) " >> $ (zip_root)/meta/misc_info.txtendif         $ (hide)  echo  "default_system_dev_certificate=$ (default_system_dev_certificate)"   >> $ (zip_root)/meta/misc_info.txtifdef product_extra_recovery_keys         $ (hide)  echo  "extra_recovery_keys=$ (Product_extra_recovery_keys)"  >> $ (zip_root)/META/misc_ info.txtendif        @# zip everything up,  preserving symlinks        $ (hide)   (cd $ (Zip_root)  && ZIP -QRY&NBSP, .... /$ (notdir [email protected])  .)         @# Run fs_config on all the  System, boot ramdisk, and recovery ramdisk files in the zip,  and save the output        $ (hide)  zipinfo  -1 [email protected] | awk  ' begin { fs= ' system/" } /^system \// {print  "system/"  $$2} '  | $ (host_out_executables)/fs_config > $ (zip_ Root)/meta/filesystem_config.txt        $ (hide)  zipinfo -1 [email protected] | awk  ' BEGIN  { fs= "boot/ramdisk/"  } /^boot\/ramdisk\// {print $$2} '  | $ (HOST_OUT_ Executables)/fs_config > $ (zip_root)/meta/boot_filesystem_config.txt         $ (hide)  zipinfo -1 [email protected] | awk  ' BEGIN  { fs= "recovery/ramdisk/"  } /^recovery\/ramdisk\// {print $$2} '  | $ ( Host_out_executables)/fs_config > $ (zip_root)/meta/recovery_filesystem_config.txt         $ (hide)   (cd $ (Zip_root)  && zip -q .. /$ (notdir [email protected])  meta/*filesystem_config.txt)

This article is from the "Android" blog, so be sure to keep this source http://rosemary.blog.51cto.com/9548014/1771546

Android Build-Make otapackage (Overall)