diff options
author | Andrew Geissler <geissonator@yahoo.com> | 2020-08-21 23:58:33 +0300 |
---|---|---|
committer | Andrew Geissler <geissonator@yahoo.com> | 2020-09-04 02:23:19 +0300 |
commit | 635e0e4637e40ba03f69204265427550fd404f4c (patch) | |
tree | 0d690d7b8b3c0b0e5ac9b807152b6cc0560d2037 /poky/documentation/ref-manual | |
parent | afce0b5cf42bd06e31b142730c0acf3d60a8cf2f (diff) | |
download | openbmc-635e0e4637e40ba03f69204265427550fd404f4c.tar.xz |
poky: subtree update:23deb29c1b..c67f57c09e
Adrian Bunk (1):
librsvg: Upgrade 2.40.20 -> 2.40.21
Alejandro Hernandez (1):
musl: Upgrade to latest release 1.2.1
Alex Kiernan (8):
systemd: Upgrade v245.6 -> v246
systemd: Move musl patches to SRC_URI_MUSL
systemd: Fix path to modules-load.d et al
nfs-utils: Drop StandardError=syslog from systemd unit
openssh: Drop StandardError=syslog from systemd unit
volatile-binds: Drop StandardOutput=syslog from systemd unit
systemd: Upgrade v246 -> v246.1
systemd: Upgrade v246.1 -> v246.2
Alexander Kanavin (16):
sysvinit: update 2.96 -> 2.97
kbd: update 2.2.0 -> 2.3.0
gnu-config: update to latest revision
go: update 1.14.4 -> 1.14.6
meson: update 0.54.3 -> 0.55.0
nasm: update 2.14.02 -> 2.15.03
glib-2.0: correct build with latest meson
rsync: update 3.2.1 -> 3.2.2
vala: update 0.48.6 -> 0.48.7
logrotate: update 3.16.0 -> 3.17.0
mesa: update 20.1.2 -> 20.1.4
libcap: update 2.36 -> 2.41
net-tools: fix upstream version check
meson.bbclass: add a cups-config entry
oeqa: write @OETestTag content into json test reports for each case
libhandy: upstream has moved to gnome
Alistair Francis (1):
binutils: Remove RISC-V PIE patch
Andrei Gherzan (2):
initscripts: Fix various shellcheck warnings in populate-volatile.sh
initscripts: Fix populate-volatile.sh bug when file/dir exists
Anuj Mittal (4):
harfbuzz: upgrade 2.6.8 -> 2.7.1
sqlite3: upgrade 3.32.3 -> 3.33.0
stress-ng: upgrade 0.11.17 -> 0.11.18
x264: upgrade to latest revision
Armin Kuster (1):
glibc: Secruity fix for CVE-2020-6096
Bruce Ashfield (25):
linux-yocto/5.4: update to v5.4.53
linux-yocto/5.4: fix perf build with binutils 2.35
kernel/yocto: allow dangling KERNEL_FEATURES
linux-yocto/5.4: update to v5.4.54
systemtap: update to 4.3 latest
kernel-devsrc: fix x86 (32bit) on target module build
lttng-modules: update to 2.12.2 (fixes v5.8+ builds)
yocto-bsps: update reference BSPs to 5.4.54
kernel-yocto: enhance configuration queue analysis capabilities
strace: update to 5.8 (fix build against v5.8 uapi headers)
linux-yocto-rt/5.4: update to rt32
linux-yocto/5.4: update to v5.4.56
linux-yocto/5.4: update to v5.4.57
kernel-yocto: set cwd before querying the meta data dir
kernel-yocto: make # is not set matching more precise
kernel-yocto: split meta data gathering into patch and config phases
make-mod-scripts: add HOSTCXX definitions and gmp-native dependency
kernel-devsrc: fix on target modules prepare for ARM
kernel-devsrc: 5.8 + gcc10 require gcc-plugins + libmpc-dev
linux-yocto/5.4: update to v5.4.58
linux-yocto/5.4: perf cs-etm: Move definition of 'traceid_list' global variable from header file
libc-headers: update to v5.8
linux-yocto: introduce 5.8 reference kernel
kernel-yocto/5.8: add gmp-native dependency
linux-yocto/5.8: update to v5.8.1
Chandana kalluri (1):
qemu.inc: Use virtual/libgl instead of mesa
Changhyeok Bae (2):
iproute2: upgrade 5.7.0 -> 5.8.0
ethtool: upgrade 5.7 -> 5.8
Changqing Li (5):
layer.conf: fix adwaita-icon-theme signature change problem
gtk-icon-cache.bbclass: add features_check
gcc-runtime.inc: fix m32 compile fail with x86-64 compiler
libffi: fix multilib header conflict
gpgme: fix multilib header conflict
Chen Qi (3):
grub: set CVE_PRODUCT to grub2
runqemu: fix permission check of /dev/vhost-net
fribidi: extend CVE_PRODUCT to include fribidi
Chris Laplante (11):
lib/oe/log_colorizer.py: add LogColorizerProxyProgressHandler
bitbake: build: print traceback if progress handler can't be created
bitbake: build: create_progress_handler: fix calling 'get' on NoneType
bitbake: progress: modernize syntax, format
bitbake: progress: fix hypothetical NameError if 'progress' isn't set
bitbake: progress: filter ANSI escape codes before looking for progress text
bitbake: tests/color: add test suite for ANSI color code filtering
bitbake: data: emit filename/lineno information for shell functions
bitbake: build: print a backtrace when a Bash shell function fails
bitbake: build: print a backtrace with the original metadata locations of Bash shell funcs
bitbake: build: make shell traps less chatty when 'bitbake -v' is used
Dan Callaghan (1):
stress-ng: create a symlink for /usr/bin/stress
Daniel Ammann (1):
wic: fix typo
Daniel Gomez (1):
allarch: Add missing allarch ttf-bitstream-vera
Diego Sueiro (1):
cml1: Add the option to choose the .config root dir
Dmitry Baryshkov (3):
mesa: enable freedreno Vulkan driver if freedreno is enabled
arch-armv8-2a.inc: add tune include for armv8.2a
tune-cortexa55.inc: switch to using armv8.2a include file
Fredrik Gustafsson (13):
package_manager: Move to package_manager/__init__.py
rpm: Move manifest to its own subdir
ipk: Move ipk manifest to its own subdir
deb: Move deb manifest to its own subdir
rpm: Move rootfs to its own dir
ipk: Move rootfs to its own dir
deb: Move rootfs to its own dir
rpm: Move sdk to its own dir
ipk: Move sdk to its own dir
deb: Move sdk to its own dir
rpm: Move package manager to its own dir
ipk: Move package manager to its own dir
deb: Move package manager to its own dir
Guillaume Champagne (1):
weston: add missing packageconfigs
Jeremy Puhlman (1):
gobject-introspection: disable scanner caching in install
Joe Slater (3):
libdnf: allow reproducible binary builds
gconf: use python3
gcr: make sure gcr-oids.h is generated
Jonathan Richardson (1):
cortex-m0plus.inc: Add tuning for cortex M0 plus
Joshua Watt (3):
bitbake: bitbake: command: Handle multiconfig in findSigInfo
lib/oe/reproducible.py: Fix git HEAD check
perl: Add check for non-arch Storable.pm file
Khasim Mohammed (2):
wic/bootimg-efi: Add support for IMAGE_BOOT_FILES
wic/bootimg-efi: Update docs for IMAGE_BOOT_FILES support in bootimg-efi
Khem Raj (23):
qemumips: Use 34Kf CPU emulation
libunwind: Backport a fix for -fno-common option to compile
dhcp: Use -fcommon compiler option
inetutils: Fix build with -fno-common
libomxil: Use -fcommon compiler option
kexec-tools: Fix build with -fno-common
distcc: Fix build with -fno-common
libacpi: Fix build with -fno-common
minicom: Fix build when using -fno-common
binutils: Upgrade to 2.35 release
xf86-video-intel: Fix build with -fno-common
glibc: Upgrade to 2.32 release
go: Upgrade to 1.14.7
webkitgtk: Upgrade to 2.28.4
kexec-tools: Fix additional duplicate symbols on aarch64/x86_64 builds
gcc: Upgrade to 10.2.0
buildcpio.py: Apply patch to fix build with -fno-common
buildgalculator: Patch to fix build with -fno-common
localedef: Update to include floatn.h fix
xserver-xorg: Fix build with -fno-common/mips
binutils: Let crosssdk gold linker generate 4096 btyes long .interp section
gcc-cross-canadian: Correct the regexp to delete versioned gcc binary
curl: Upgrade to 7.72.0
Konrad Weihmann (2):
rootfs-post: remove traling blanks from tasks
cve-update: handle baseMetricV2 as optional
Lee Chee Yang (4):
buildhistory: use pid for temporary txt file name
checklayer: check layer in BBLAYERS before test
ghostscript: fix CVE-2020-15900
qemu : fix CVE-2020-15863
Mark Hatle (1):
package.bbclass: Sort shlib2 output for hash equivalency
Martin Jansa (2):
net-tools: upgrade to latest revision in upstream repo instead of old debian snapshot
perf: backport a fix for confusing non-fatal error
Matt Madison (1):
cogl-1.0: correct X11 dependencies
Matthew (3):
ltp: remove --with-power-management-testsuite from EXTRA_OECONF
ltp: remove OOM tests from runtest/mm
ltp: make copyFrom scp command non-fatal
Mikko Rapeli (2):
alsa-topology-conf: use ${datadir} in do_install()
alsa-ucm-conf: use ${datadir} in do_install()
Ming Liu (3):
conf/machine: set UBOOT_MACHINE for qemumips and qemumips64
multilib.conf: add u-boot to NON_MULTILIB_RECIPES
libubootenv: uprev to v0.3
Mingli Yu (2):
ccache: Upgrade to 3.7.11
Revert "python3: define a profile directory path"
Naoto Yamaguchi (1):
patch.py: Change to more strictly fuzz detection
Nathan Rossi (4):
libexif: Enable native and nativesdk
cmake.bbclass: Rework compiler program variables for allarch
python3: Improve handling of python3 manifest generation
python3-manifest.json: Updates
Oleksandr Kravchuk (9):
python3-setuptools: update to 49.2.0
bash-completion: update to 2.11
python3: update to 3.8.5
re2c: update to 2.0
diffoscope: update to 153
json-c: update to 0.15
git: update 2.28.0
libwpe: update to 1.7.1
python3-setuptools: update to 49.3.1
Richard Purdie (20):
perl: Avoid race continually rebuilding miniperl
gcc: Fix mangled patch
bitbake: server/process: Fix UI first connection tracking
bitbake: server/process: Account for xmlrpc connections
Revert "lib/oe/log_colorizer.py: add LogColorizerProxyProgressHandler"
lib/package_manager: Fix missing imports
populate_sdk_ext: Ensure buildtools doesn't corrupt OECORE_NATIVE_SYSROOT
buildtools: Handle generic environment setup injection
uninative: Handle PREMIRRORS generically
maintainers: Update entries for Mark Hatle
gcr: Fix patch Upstream-Status from v2 patch
bitbake: server/process: Remove pointless process forking
bitbake: server/process: Simplfy idle callback handler function
bitbake: server/process: Pass timeout/xmlrpc parameters directly to the server
bitbake: server/process: Add extra logfile flushing
packagefeed-stability: Remove as obsolete
build-compare: Drop recipe
qemu: Upgrade 5.0.0 -> 5.1.0
selftest/tinfoil: Increase wait event timeout
lttng-tools: upgrade 2.12.1 -> 2.12.2
Ross Burton (3):
popt: upgrade to 1.18
conf/machine: set UBOOT_MACHINE for qemuarm and qemuarm64
gcc: backport a fix for out-of-line atomics on aarch64
TeohJayShen (2):
oeqa/manual/bsp-hw.json : remove shutdown_system test
oeqa/manual/bsp-hw.json : remove X_server_can_start_up_with_runlevel_5_boot test
Trevor Gamblin (1):
llvm: upgrade 9.0.1 -> 10.0.1
Tyler Hicks (1):
kernel-devicetree: Fix intermittent build failures caused by DTB builds
Usama Arif (3):
kernel-fitimage: build configuration for image tree when dtb is not present
oeqa/selftest/imagefeatures: Add testcase for fitImage
ref-manual: Add documentation for kernel-fitimage
Vasyl Vavrychuk (1):
runqemu: Check gtk or sdl option is passed together with gl or gl-es options.
Yi Zhao (1):
pbzip2: extend for nativesdk
Zhang Qiang (1):
kernel.bbclass: Configuration for environment with HOSTCXX
hongxu (1):
nativesdk-rpm: adjust RPM_CONFIGDIR paths dynamically
zangrc (8):
libevdev:upgrade 1.9.0 -> 1.9.1
mpg123:upgrade 1.26.2 -> 1.26.3
flex: Refresh patch
stress-ng:upgrade 0.11.15 -> 0.11.17
sudo:upgrade 1.9.1 -> 1.9.2
libcap: Upgrade 2.41 -> 2.42
libinput: Upgrade 1.15.6 -> 1.16.0
python3-setuptools: Upgrade 49.2.0 -> 49.2.1
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ic7fa1e8484c1c7722a70c75608aa4ab21fa7d755
Diffstat (limited to 'poky/documentation/ref-manual')
-rw-r--r-- | poky/documentation/ref-manual/ref-classes.xml | 76 | ||||
-rw-r--r-- | poky/documentation/ref-manual/ref-variables.xml | 144 |
2 files changed, 218 insertions, 2 deletions
diff --git a/poky/documentation/ref-manual/ref-classes.xml b/poky/documentation/ref-manual/ref-classes.xml index ab12373ae..1dcd5fdd0 100644 --- a/poky/documentation/ref-manual/ref-classes.xml +++ b/poky/documentation/ref-manual/ref-classes.xml @@ -1880,8 +1880,82 @@ This check was removed for YP 2.3 release <para> The <filename>kernel-fitimage</filename> class provides support to - pack zImages. + pack a kernel Image, device trees and a RAM disk into a single + FIT image. In theory, a FIT image can support any number of kernels, + RAM disks and device-trees. + However, <filename>kernel-fitimage</filename> currently only supports + limited usescases: just one kernel image, an optional RAM disk, and + any number of device tree. </para> + + <para> + To create a FIT image, it is required that + <filename><link linkend='var-KERNEL_CLASSES'>KERNEL_CLASSES</link></filename> + is set to "kernel-fitimage" and + <filename><link linkend='var-KERNEL_IMAGETYPE'>KERNEL_IMAGETYPE</link></filename> + is set to "fitImage". + </para> + + <para> + The options for the device tree compiler passed to mkimage -D feature + when creating the FIT image are specified using the + <filename><link linkend='var-UBOOT_MKIMAGE_DTCOPTS'>UBOOT_MKIMAGE_DTCOPTS</link></filename> + variable. + </para> + + <para> + Only a single kernel can be added to the FIT image created by + <filename>kernel-fitimage</filename> and the kernel image in FIT is + mandatory. + The address where the kernel image is to be loaded by U-boot is + specified by + <filename><link linkend='var-UBOOT_LOADADDRESS'>UBOOT_LOADADDRESS</link></filename> + and the entrypoint by + <filename><link linkend='var-UBOOT_ENTRYPOINT'>UBOOT_ENTRYPOINT</link></filename>. + </para> + + <para> + Multiple device trees can be added to the FIT image created by + <filename>kernel-fitimage</filename> and the device tree is optional. + The address where the device tree is to be loaded by U-boot is + specified by + <filename><link linkend='var-UBOOT_DTBO_LOADADDRESS'>UBOOT_DTBO_LOADADDRESS</link></filename> + for device tree overlays and by + <filename><link linkend='var-UBOOT_DTB_LOADADDRESS'>UBOOT_DTB_LOADADDRESS</link></filename> + for device tree binaries. + </para> + + <para> + Only a single RAM disk can be added to the FIT image created by + <filename>kernel-fitimage</filename> and the RAM disk in FIT is + optional. + The address where the RAM disk image is to be loaded by U-boot + is specified by + <filename><link linkend='var-UBOOT_RD_LOADADDRESS'>UBOOT_RD_LOADADDRESS</link></filename> + and the entrypoint by + <filename><link linkend='var-UBOOT_RD_ENTRYPOINT'>UBOOT_RD_ENTRYPOINT</link></filename>. + The ramdisk is added to FIT image when + <filename><link linkend='var-INITRAMFS_IMAGE'>INITRAMFS_IMAGE</link></filename> + is specified. + </para> + + <para> + The FIT image generated by <filename>kernel-fitimage</filename> class + is signed when the variables + <filename><link linkend='var-UBOOT_SIGN_ENABLE'>UBOOT_SIGN_ENABLE</link></filename>, + <filename><link linkend='var-UBOOT_MKIMAGE_DTCOPTS'>UBOOT_MKIMAGE_DTCOPTS</link></filename>, + <filename><link linkend='var-UBOOT_SIGN_KEYDIR'>UBOOT_SIGN_KEYDIR</link></filename> + and + <filename><link linkend='var-UBOOT_SIGN_KEYNAME'>UBOOT_SIGN_KEYNAME</link></filename> + are set appropriately. + The default values used for + <filename><link linkend='var-FIT_HASH_ALG'>FIT_HASH_ALG</link></filename> + and + <filename><link linkend='var-FIT_SIGN_ALG'>FIT_SIGN_ALG</link></filename> + in <filename>kernel-fitimage</filename> are "sha256" and "rsa2048" + respectively. + </para> + </section> <section id='ref-classes-kernel-grub'> diff --git a/poky/documentation/ref-manual/ref-variables.xml b/poky/documentation/ref-manual/ref-variables.xml index 9fe744aff..a5064807e 100644 --- a/poky/documentation/ref-manual/ref-variables.xml +++ b/poky/documentation/ref-manual/ref-variables.xml @@ -4991,6 +4991,30 @@ </glossdef> </glossentry> + <glossentry id='var-FIT_HASH_ALG'><glossterm>FIT_HASH_ALG</glossterm> + <info> + FIT_HASH_ALG[doc] = "Specifies the hash algorithm used in creating the FIT Image." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the hash algorithm used in creating the FIT Image. + For e.g. sha256. + </para> + </glossdef> + </glossentry> + + <glossentry id='var-FIT_SIGN_ALG'><glossterm>FIT_SIGN_ALG</glossterm> + <info> + FIT_SIGN_ALG[doc] = "Specifies the signature algorithm used in creating the FIT Image." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the signature algorithm used in creating the FIT Image. + For e.g. rsa2048. + </para> + </glossdef> + </glossentry> + <glossentry id='var-FONT_EXTRA_RDEPENDS'><glossterm>FONT_EXTRA_RDEPENDS</glossterm> <info> FONT_EXTRA_RDEPENDS[doc] = "When a recipe inherits the fontcache class, this variable specifies runtime dependencies for font packages. This variable defaults to 'fontconfig-utils'." @@ -5703,7 +5727,7 @@ <para role="glossdeffirst"> A space-separated list of files installed into the boot partition when preparing an image using the Wic tool - with the <filename>bootimg-partition</filename> source + with the <filename>bootimg-partition</filename> or <filename>bootimg-efi</filename> source plugin. By default, the files are installed under the same name as the source files. @@ -15960,6 +15984,38 @@ </glossdef> </glossentry> + <glossentry id='var-UBOOT_DTB_LOADADDRESS'><glossterm>UBOOT_DTB_LOADADDRESS</glossterm> + <info> + UBOOT_DTB_LOADADDRESS[doc] = "Specifies the load address for the dtb." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the load address for the dtb image used by U-boot. + During FIT image creation, the + <filename>UBOOT_DTB_LOADADDRESS</filename> variable is used + in <filename>kernel-fitimage</filename> class to specify the + load address to be used in creating the dtb sections of + Image Tree Source for the FIT image. + </para> + </glossdef> + </glossentry> + + <glossentry id='var-UBOOT_DTBO_LOADADDRESS'><glossterm>UBOOT_DTBO_LOADADDRESS</glossterm> + <info> + UBOOT_DTBO_LOADADDRESS[doc] = "Specifies the load address for the dtbo." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the load address for the dtbo image used by U-boot. + During FIT image creation, the + <filename>UBOOT_DTBO_LOADADDRESS</filename> variable is used + in <filename>kernel-fitimage</filename> class to specify the + load address to be used in creating the dtbo sections of + Image Tree Source for the FIT image. + </para> + </glossdef> + </glossentry> + <glossentry id='var-UBOOT_ENTRYPOINT'><glossterm>UBOOT_ENTRYPOINT</glossterm> <info> UBOOT_ENTRYPOINT[doc] = "Specifies the entry point for the U-Boot image." @@ -16045,6 +16101,51 @@ </glossdef> </glossentry> + <glossentry id='var-UBOOT_MKIMAGE_DTCOPTS'><glossterm>UBOOT_MKIMAGE_DTCOPTS</glossterm> + <info> + UBOOT_MKIMAGE_DTCOPTS[doc] = "Options for the device tree compiler passed to mkimage '-D' feature." + </info> + <glossdef> + <para role="glossdeffirst"> + Options for the device tree compiler passed to mkimage '-D' + feature while creating FIT image in + <filename>kernel-fitimage</filename> class. + </para> + </glossdef> + </glossentry> + + <glossentry id='var-UBOOT_RD_LOADADDRESS'><glossterm>UBOOT_RD_LOADADDRESS</glossterm> + <info> + UBOOT_RD_LOADADDRESS[doc] = "Specifies the load address for the ramdisk image." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the load address for the RAM disk image. + During FIT image creation, the + <filename>UBOOT_RD_LOADADDRESS</filename> variable is used + in <filename>kernel-fitimage</filename> class to specify the + load address to be used in creating the Image Tree Source for + the FIT image. + </para> + </glossdef> + </glossentry> + + <glossentry id='var-UBOOT_RD_ENTRYPOINT'><glossterm>UBOOT_RD_ENTRYPOINT</glossterm> + <info> + UBOOT_RD_ENTRYPOINT[doc] = "Specifies the entrypoint for the ramdisk image." + </info> + <glossdef> + <para role="glossdeffirst"> + Specifies the entrypoint for the RAM disk image. + During FIT image creation, the + <filename>UBOOT_RD_ENTRYPOINT</filename> variable is used + in <filename>kernel-fitimage</filename> class to specify the + entrypoint to be used in creating the Image Tree Source for + the FIT image. + </para> + </glossdef> + </glossentry> + <glossentry id='var-UBOOT_SUFFIX'><glossterm>UBOOT_SUFFIX</glossterm> <info> UBOOT_SUFFIX[doc] = "Points to the generated U-Boot extension." @@ -16063,6 +16164,47 @@ </glossdef> </glossentry> + <glossentry id='var-UBOOT_SIGN_ENABLE'><glossterm>UBOOT_SIGN_ENABLE</glossterm> + <info> + UBOOT_SIGN_KEYDIR[doc] = "Enable signing of FIT image." + </info> + <glossdef> + <para role="glossdeffirst"> + Enable signing of FIT image. The default value is "0". + </para> + </glossdef> + </glossentry> + + <glossentry id='var-UBOOT_SIGN_KEYDIR'><glossterm>UBOOT_SIGN_KEYDIR</glossterm> + <info> + UBOOT_SIGN_KEYDIR[doc] = "Location of the directory containing the RSA key and certificate used for signing FIT image." + </info> + <glossdef> + <para role="glossdeffirst"> + Location of the directory containing the RSA key and + certificate used for signing FIT image. + </para> + </glossdef> + </glossentry> + + <glossentry id='var-UBOOT_SIGN_KEYNAME'><glossterm>UBOOT_SIGN_KEYNAME</glossterm> + <info> + UBOOT_SIGN_KEYNAME[doc] = "The name of keys used for signing U-boot FIT image" + </info> + <glossdef> + <para role="glossdeffirst"> + The name of keys used for signing U-boot FIT image stored in + <filename><link linkend='var-UBOOT_SIGN_KEYDIR'>UBOOT_SIGN_KEYDIR</link></filename> + directory. For e.g. dev.key key and dev.crt certificate + stored in + <filename><link linkend='var-UBOOT_SIGN_KEYDIR'>UBOOT_SIGN_KEYDIR</link></filename> + directory will have + <filename><link linkend='var-UBOOT_SIGN_KEYNAME'>UBOOT_SIGN_KEYNAME</link></filename> + set to "dev". + </para> + </glossdef> + </glossentry> + <glossentry id='var-UBOOT_TARGET'><glossterm>UBOOT_TARGET</glossterm> <info> UBOOT_TARGET[doc] = "Specifies the target used for building U-Boot." |