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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/scripts/get_default_envs.sh
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/scripts/get_default_envs.sh')
-rwxr-xr-xroms/u-boot/scripts/get_default_envs.sh42
1 files changed, 42 insertions, 0 deletions
diff --git a/roms/u-boot/scripts/get_default_envs.sh b/roms/u-boot/scripts/get_default_envs.sh
new file mode 100755
index 000000000..d1f2ce4d5
--- /dev/null
+++ b/roms/u-boot/scripts/get_default_envs.sh
@@ -0,0 +1,42 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2016, Lukasz Majewski <l.majewski@majess.pl>
+#
+
+# This file extracts default envs from built u-boot
+# usage: get_default_envs.sh [build dir] > u-boot-env-default.txt
+set -ue
+
+: "${OBJCOPY:=${CROSS_COMPILE:-}objcopy}"
+
+ENV_OBJ_FILE="built-in.o"
+ENV_OBJ_FILE_COPY="copy_${ENV_OBJ_FILE}"
+
+echoerr() { echo "$@" 1>&2; }
+
+if [ "$#" -eq 1 ]; then
+ path=${1}
+else
+ path=$(readlink -f $0)
+ path=${path%/scripts*}
+fi
+
+env_obj_file_path=$(find ${path} -path "*/env/*" -not -path "*/spl/*" \
+ -not -path "*/tools/*" -name "${ENV_OBJ_FILE}")
+[ -z "${env_obj_file_path}" ] && \
+ { echoerr "File '${ENV_OBJ_FILE}' not found!"; exit 1; }
+
+cp ${env_obj_file_path} ${ENV_OBJ_FILE_COPY}
+
+# NOTE: objcopy saves its output to file passed in
+# (copy_${ENV_OBJ_FILE} in this case)
+
+${OBJCOPY} -O binary -j ".rodata.default_environment" ${ENV_OBJ_FILE_COPY}
+
+# Replace default '\0' with '\n' and sort entries
+tr '\0' '\n' < ${ENV_OBJ_FILE_COPY} | sort --field-separator== -k1,1 --stable
+
+rm ${ENV_OBJ_FILE_COPY}
+
+exit 0