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# Handle severals environments generation for u-boot
#Env binary size
ENV_SIZE = "0x1000"
ENV_BIN_DIR = "${WORKDIR}/target_env_bin"
# Env deploy dir is the name of directory where binary envs will be deployed
ENV_DEPLOY_DIR="u-boot-envs"
# Env deploy src dir is the name of directory where txt envs will be deployed
ENV_SRC_DEPLOY_DIR="u-boot-envs-src"
do_build_mkimage_tool () {
HOSTCC="${CC}" HOSTLD="${LD}" HOSTLDFLAGS="${LDFLAGS}" HOSTSTRIP=true oe_runmake sandbox_defconfig
HOSTCC="${CC}" HOSTLD="${LD}" HOSTLDFLAGS="${LDFLAGS}" HOSTSTRIP=true oe_runmake tools
}
python do_environment_mkimage() {
import subprocess
import shutil
# list env variant target files
target_root_dir = d.getVar('WORKDIR',True)
# env files only for UBOOT_CONFIG
env_uboot_config = d.getVar('UBOOT_CONFIG',True)
env_files = []
for f in os.listdir(target_root_dir):
if f.endswith(".env"):
env_files.append(os.path.join(target_root_dir,f))
env_bin_dir = d.getVar("ENV_BIN_DIR",True)
# cleans if it exists env_bin directory
shutil.rmtree(env_bin_dir, ignore_errors=True)
# create env bin directory
os.mkdir(env_bin_dir)
print 'Building binary environments in : %s' % env_bin_dir
# iterate targets list to build binary environment files
for target_env in env_files :
# get only filename without path and extension
target_filename = os.path.splitext(os.path.basename(target_env))[0]
if target_filename not in env_uboot_config:
continue
# build output file path with ext
target_bin = os.path.join(env_bin_dir,
target_filename + '.bin')
# generated mkenvimage tool command line
cmd_mkimg ='cat %s | grep -v -E "^$|^\#" |' \
' ./tools/mkenvimage -s %s -r -o %s -' \
% ( target_env,
d.getVar("ENV_SIZE",True), target_bin)
print 'Building binary for %s target:' % (target_filename)
print '%s' % cmd_mkimg
# execute shell command
ret = subprocess.call(cmd_mkimg, shell=True)
if ret: return ret
return 0
}
do_deploy_append() {
install -d ${DEPLOYDIR}
# deploy binary U-boot environments
echo "Deploying U-boot Environments binary files in ${DEPLOYDIR}/${ENV_DEPLOY_DIR}"
install -d ${DEPLOYDIR}/${ENV_DEPLOY_DIR}
cp ${ENV_BIN_DIR}/*.bin ${DEPLOYDIR}/${ENV_DEPLOY_DIR}
}
addtask build_mkimage_tool after do_compile before do_environment_mkimage
addtask environment_mkimage after do_build_mkimage_tool before do_deploy
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