Convert all shell variables to lowercase

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

13 files changed, 64 insertions, 57 deletions

diff --git a/images/CrOS.sh b/images/CrOS.sh
index eb9ff05..b79e9a4 100644
--- a/images/CrOS.sh
+++ b/images/CrOS.sh
@@ -30,7 +30,7 @@ make_CrOS_image() {
 	if [[ -f $opt_cmdline_file ]] ; then
 		config=$opt_cmdline_file
 	else
-		echo "$CMDLINE" > $boot_dir/cmdline
+		echo "$cmdline" > $boot_dir/cmdline
 		config=$boot_dir/cmdline
 	fi
 
diff --git a/images/FIT.sh b/images/FIT.sh
index 0ed5482..f56ccba 100644
--- a/images/FIT.sh
+++ b/images/FIT.sh
@@ -17,8 +17,8 @@ make_FIT_image() {
 			arch = "$arch";
 			os = "linux";
 			compression = "none";
-			load = <$LOADADDR>;
-			entry = <$LOADADDR>;
+			load = <$loadaddr>;
+			entry = <$loadaddr>;
 			hash-1 {
 				algo = "crc32";
 			};
@@ -30,7 +30,7 @@ EOF
 
 	local dtb
 
-	for dtb in $DTBS ; do
+	for dtb in $dtbs ; do
 		local src=${dtb/:*/}
 		local dst=${dtb/*:/}
 		dst=${dst/*\//}
@@ -52,14 +52,14 @@ EOF
 EOF
 	done
 
-	local config=$(echo $DTBS | sed 's/.*[:/]//')
+	local config=$(echo $dtbs | sed 's/.*[:/]//')
 	cat <<EOF >> $kernel_its
 	};
 
 	configurations {
 		default = "conf-$config";
 EOF
-	for dtb in $DTBS ; do
+	for dtb in $dtbs ; do
 		local dst=${dtb/*:/}
 		dst=${dst/*\//}
 
diff --git a/images/srec.sh b/images/srec.sh
index 6f89b92..a9e9b0c 100644
--- a/images/srec.sh
+++ b/images/srec.sh
@@ -7,7 +7,7 @@ make_srec_image() {
 	objcopy -I binary -O srec --srec-forceS3 --srec-len 516 \
 		$image.xz $image.xz.srec
 
-	for dtb in $DTBS ; do
+	for dtb in $dtbs ; do
 		local src=${dtb/:*/}
 
 		objcopy -I binary -O srec --srec-forceS3 --srec-len 516 \
diff --git a/images/uImage.sh b/images/uImage.sh
index 40e7cf3..716900e 100644
--- a/images/uImage.sh
+++ b/images/uImage.sh
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0+
 
 make_uImage_image() {
-	mkimage -A $arch -O linux -T kernel -C none -a $LOADADDR -e $LOADADDR \
+	mkimage -A $arch -O linux -T kernel -C none -a $loadaddr -e $loadaddr \
 		-n "Linux-${version}" -d $output_dir/arch/$arch/boot/$kernel_image \
 		$output_dir/arch/$arch/boot/uImage
 }
diff --git a/kbuild.sh b/kbuild.sh
index d91e67b..98a59bc 100755
--- a/kbuild.sh
+++ b/kbuild.sh
@@ -5,13 +5,12 @@ set -e
 
 kbuild_root=$(dirname $(readlink -f "$0"))
 
-#OPTIONS='CONFIG_DEBUG_SECTION_MISMATCH=y'
-#OPTIONS='C=1'
-OPTIONS="KALLSYMS_EXTRA_PASS=0"
-KCFLAGS="-Werror -Wno-error=cpp"
+#kbuild_options='CONFIG_DEBUG_SECTION_MISMATCH=y'
+#kbuild_options='C=1'
+kbuild_options="KALLSYMS_EXTRA_PASS=0"
 
-NFS_ROOT=$HOME/src/netboot
-TFTP_ROOT=$HOME/tftpboot
+nfs_root=$HOME/src/netboot
+tftp_root=$HOME/tftpboot
 
 #
 # Options parsing
@@ -76,6 +75,8 @@ done
 # Platform
 #
 
+kcflags="-Werror -Wno-error=cpp"
+
 if [[ -z "$platform" ]] ; then
 	for f in $kbuild_root/platforms/*.sh ; do
 		pattern=$(cat $f | grep "dir_pattern=" | head -1)
@@ -112,8 +113,8 @@ fi
 
 source "${kbuild_root}/arch/$arch.sh" || exit 1
 
-target_dir=${target_dir:-$NFS_ROOT/$arch_dir}
-output_dir=${output_dir:-$PWD/output/$arch_dir}
+target_dir=${target_dir:-$nfs_root/$arch_dir}
+output_dir=$PWD/output/$arch_dir
 
 #
 # Parallelize make with twice as many jobs as CPUs
@@ -122,7 +123,7 @@ output_dir=${output_dir:-$PWD/output/$arch_dir}
 num_cpus=$(cat /proc/cpuinfo | grep '^processor\b' | wc -l)
 pmake="make -j$((num_cpus*2))"
 
-OPTIONS="KALLSYMS_EXTRA_PASS=0 KCFLAGS='$KCFLAGS'"
+kbuild_options="$kbuild_options KCFLAGS='$kcflags'"
 
 echo "Compiling for platform $platform with $num_cpus CPUs"
 
@@ -152,18 +153,18 @@ fi
 # Compile the kernel, modules and DTBs
 #
 
-dtbs=
-for dtb in $DTBS ; do
+kernel_dtbs=
+for dtb in $dtbs ; do
 	dtb=${dtb/:*/}
-	dtbs="$dtbs $dtb"
+	kernel_dtbs="$kernel_dtbs $dtb"
 done
 
-eval $pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile $OPTIONS \
-	$image_kernel $dtbs
+eval $pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile $kbuild_options \
+	$image_kernel $kernel_dtbs
 
 grep 'CONFIG_MODULES=y' $output_dir/.config > /dev/null && modules=modules
 if [[ x$modules == xmodules ]] ; then
-	eval $pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile $OPTIONS \
+	eval $pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile $kbuild_options \
 		$modules
 fi
 
@@ -188,7 +189,7 @@ copy_dtbs() {
 	local dtb
 	local target_dir=$1
 
-	for dtb in $DTBS ; do
+	for dtb in $dtbs ; do
 		local src=${dtb/:*/}
 		local dst=${dtb/*:/}
 		dst=${dst/*\//}
@@ -197,21 +198,27 @@ copy_dtbs() {
 	done
 }
 
-mkdir -p $BOOT_DIR
-cp $image_file $BOOT_DIR/
+mkdir -p $boot_dir
+cp $image_file $boot_dir/
 
 if [[ $image != FIT && $image != CrOS ]] ; then
-	copy_dtbs $BOOT_DIR/
+	copy_dtbs $boot_dir/
 fi
 
 if [[ x$modules = xmodules ]] ; then
 	$pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile INSTALL_MOD_PATH=$target_dir modules_install
-	echo "Kernel modules installed to $target_dir/lib/modules/$version"
 fi
 
 if [[ $do_package_deb = 1 ]] ; then
 	$pmake ARCH=$arch O=$output_dir CROSS_COMPILE=$cross_compile bindeb-pkg
 fi
 
+#
+# Print status and terminate
+#
+
 echo "Kernel image available in $image_file"
+if [[ x$modules = xmodules ]] ; then
+	echo "Kernel modules installed to $target_dir/lib/modules/$version"
+fi
 echo "Build $version completed at $(date)"
diff --git a/platforms/gen3.sh b/platforms/gen3.sh
index 7b7ae6d..f7ace45 100644
--- a/platforms/gen3.sh
+++ b/platforms/gen3.sh
@@ -1,9 +1,9 @@
 platform=gen3
 dir_pattern=renesas
 arch=arm64
-BOOT_DIR=$TFTP_ROOT/gen3
-DTBS="renesas/r8a7795-es1-h3ulcb.dtb renesas/r8a7795-es1-salvator-x.dtb renesas/r8a7795-h3ulcb.dtb renesas/r8a7795-h3ulcb-kf.dtb renesas/r8a7795-salvator-x.dtb renesas/r8a7795-salvator-xs.dtb renesas/r8a7796-m3ulcb.dtb renesas/r8a7796-salvator-x.dtb renesas/r8a77995-draak.dtb"
-DTBS=$(cd arch/arm64/boot/dts ; ls renesas/*.dts | sed 's/\.dts/.dtb/')
-#DTBS="renesas/r8a77965-salvator-xs.dtb"
+boot_dir=$tftp_root/gen3
+dtbs="renesas/r8a7795-es1-h3ulcb.dtb renesas/r8a7795-es1-salvator-x.dtb renesas/r8a7795-h3ulcb.dtb renesas/r8a7795-h3ulcb-kf.dtb renesas/r8a7795-salvator-x.dtb renesas/r8a7795-salvator-xs.dtb renesas/r8a7796-m3ulcb.dtb renesas/r8a7796-salvator-x.dtb renesas/r8a77995-draak.dtb"
+dtbs=$(cd arch/arm64/boot/dts ; ls renesas/*.dts | sed 's/\.dts/.dtb/')
+#dtbs="renesas/r8a77965-salvator-xs.dtb"
 image=FIT
-LOADADDR=0x48080000
+loadaddr=0x48080000
diff --git a/platforms/imx7.sh b/platforms/imx7.sh
index 736e5ae..5f27052 100644
--- a/platforms/imx7.sh
+++ b/platforms/imx7.sh
@@ -1,8 +1,8 @@
 platform=imx7
 dir_pattern=plusoptix
 arch=arm
-#BOOT_DIR=$TFTP_ROOT/imx7
-BOOT_DIR=$NFS_ROOT/arm32/boot
-DTBS="imx7d-sx-pl-emar.dtb imx7d-sx-pl-test.dtb"
+#boot_dir=$tftp_root/imx7
+boot_dir=$nfs_root/arm32/boot
+dtbs="imx7d-sx-pl-emar.dtb imx7d-sx-pl-test.dtb"
 image=zImage
-LOADADDR=0x80008000
+loadaddr=0x80008000
diff --git a/platforms/omap3.sh b/platforms/omap3.sh
index b6d7e2d..af5261a 100644
--- a/platforms/omap3.sh
+++ b/platforms/omap3.sh
@@ -1,6 +1,6 @@
 platform=omap3
 dir_pattern=media
 arch=arm
-BOOT_DIR=$TFTP_ROOT/omap3
-DTBS="omap3-beagle-xm.dtb omap3-overo-storm-tobi.dtb"
+boot_dir=$tftp_root/omap3
+dtbs="omap3-beagle-xm.dtb omap3-overo-storm-tobi.dtb"
 image=zImage
diff --git a/platforms/omap4+.sh b/platforms/omap4+.sh
index 646518b..3616c02 100644
--- a/platforms/omap4+.sh
+++ b/platforms/omap4+.sh
@@ -1,7 +1,7 @@
 platform=omap4+
 dir_pattern=omap
 arch=arm
-BOOT_DIR=$TFTP_ROOT/omap4
-DTBS="omap4-panda.dtb omap4-panda-es.dtb am57xx-evm-reva3.dtb:am57xx-beagle-x15.dtb"
+boot_dir=$tftp_root/omap4
+dtbs="omap4-panda.dtb omap4-panda-es.dtb am57xx-evm-reva3.dtb:am57xx-beagle-x15.dtb"
 image=FIT
-LOADADDR=0x80008000
+loadaddr=0x80008000
diff --git a/platforms/scarlet.sh b/platforms/scarlet.sh
index 4702900..908d200 100644
--- a/platforms/scarlet.sh
+++ b/platforms/scarlet.sh
@@ -1,8 +1,8 @@
 platform=scarlet
 arch=arm64
-BOOT_DIR=$NFS_ROOT/arm64/boot
-CMDLINE="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd ignore_loglevel"
-CMDLINE="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
-DTBS="rockchip/rk3399-gru-scarlet-inx.dtb"
+boot_dir=$nfs_root/arm64/boot
+cmdline="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd ignore_loglevel"
+cmdline="console=ttyS2,115200n8 earlyprintk=ttyS2,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
+dtbs="rockchip/rk3399-gru-scarlet-inx.dtb"
 image=CrOS
-LOADADDR=0
+loadaddr=0
diff --git a/platforms/soraka.sh b/platforms/soraka.sh
index d278b34..3166e99 100644
--- a/platforms/soraka.sh
+++ b/platforms/soraka.sh
@@ -1,7 +1,7 @@
 platform=soraka
 dir_pattern=libcamera
 arch=x86
-BOOT_DIR=$TFTP_ROOT/x86
-CMDLINE="console=ttyS0,115200n8 earlyprintk=ttyS0,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
+boot_dir=$tftp_root/x86
+cmdline="console=ttyS0,115200n8 earlyprintk=ttyS0,115200n8 console=tty1 ip=dhcp root=/dev/nfs rootwait rw noinitrd ignore_loglevel"
 image=CrOS
-KCFLAGS="$KCFLAGS -Wno-error=frame-larger-than="
+kcflags="$kcflags -Wno-error=frame-larger-than="
diff --git a/platforms/x86.sh b/platforms/x86.sh
index 5c61998..f635611 100644
--- a/platforms/x86.sh
+++ b/platforms/x86.sh
@@ -1,5 +1,5 @@
 platform=x86
 arch=x86
-BOOT_DIR=$TFTP_ROOT/x86
+boot_dir=$tftp_root/x86
 image=bzImage
-KCFLAGS="$KCFLAGS -Wno-error=frame-larger-than="
+kcflags="$kcflags -Wno-error=frame-larger-than="
diff --git a/platforms/zynqmp.sh b/platforms/zynqmp.sh
index 3f9b302..73bab8d 100644
--- a/platforms/zynqmp.sh
+++ b/platforms/zynqmp.sh
@@ -1,9 +1,9 @@
 platform=zynqmp
 dir_pattern=xilinx
 arch=arm64
-BOOT_DIR=$TFTP_ROOT/xilinx
-DTBS="xilinx/zynqmp-zcu106-revA.dtb"
+boot_dir=$tftp_root/xilinx
+dtbs="xilinx/zynqmp-zcu106-revA.dtb"
 image=Image
-LOADADDR=0x10000000
-KCFLAGS="$KCFLAGS -Wno-error=packed-not-aligned -Wno-error=sizeof-pointer-memaccess -Wno-error=stringop-truncation -Wno-error=stringop-overflow"
-target_dir=$NFS_ROOT/zynqmp
+loadaddr=0x10000000
+kcflags="$kcflags -Wno-error=packed-not-aligned -Wno-error=sizeof-pointer-memaccess -Wno-error=stringop-truncation -Wno-error=stringop-overflow"
+target_dir=$nfs_root/zynqmp