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path: root/bsp/update-targets.sh
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#!/usr/bin/env sh

help() {
    cat >&2 <<EOF
$0: BSP Generator for the SiFive Freedom E SDK
    --help                     Prints this help text.
    --target-name              Specify bsp target name.
    --sdk-path=*               The path to the freedom-e-sdk clone directory, public or private.
    --target-dts=*.dts         The path to the target device tree that will be used.
EOF
}

unset DTSFILE
unset CUSTOM_PATH
unset CUSTOM_NAME
while [[ "$1" != "" ]]
do
    case "$1" in
    --help)               help "$0";                                 exit 0;;
    --target-name)        CUSTOM_NAME="$2";                          shift 2;;
    --sdk-path=*)         CUSTOM_PATH="$(echo "$1" | cut -d= -f2-)"; shift 1;;
    --sdk-path)           CUSTOM_PATH="$2";                          shift 2;;
    --target-dts=*)       DTSFILE="$(echo "$1" | cut -d= -f2-)";     shift 1;;
    --target-dts)         DTSFILE="$2";                              shift 2;;
    *) echo "$0: Unknown argument $1" >&2;                        exit 1;;
    esac
done

if [[ "$CUSTOM_PATH" == "" && "$CUSTOM_NAME" == "" && "$DTSFILE" == "" ]]
then
    TARGET_LIST="$(ls -d coreip*) "
    TARGET_LIST+="sifive-hifive1 freedom-e310-arty "
else
    if [[ ! -f "$DTSFILE" &&  "$DTSFILE" != "*.dts" ]]
    then
        echo "[ERROR] $0: $DTSFILE must be a dts file" >&2
        help "$0"
        exit 1
    fi
    if [[ "$CUSTOM_NAME" == "" ]]
    then
        echo "[ERROR] $0: --target-name is mandatory" >&2
        help "$0"
        exit 1
    fi
    CUSTOM_TARGET="$CUSTOM_PATH/bsp/$CUSTOM_NAME"
    if [[ ! -d "$CUSTOM_TARGET" ]]
    then
        echo "[ERROR] $0: "$CUSTOM_TARGET" not found!" >&2
        help "$0"
        exit 1
    fi
    cp $DTSFILE $CUSTOM_TARGET
    TARGET_LIST="$CUSTOM_TARGET "
fi

DTC=dtc
MEE_HEADER_GENERATOR=freedom-metal_header-generator
LDSCRIPT_GENERATOR=freedom-ldscript-generator

DTS_FILENAME=design.dts
DTB_FILENAME=temp.dtb
HEADER_FILENAME=metal.h
LDSCRIPT_FILENAME=metal.lds

update_target() {
    TARGET=$1

    echo "Updating target $TARGET"
    
    # Compile temporary .dtb
    $DTC -I dts -O dtb -o $TARGET/$DTB_FILENAME $TARGET/$DTS_FILENAME || die "Failed to compile $TARGET/$DTS_FILENAME to dtb"

    # Produce parameterized files
    $MEE_HEADER_GENERATOR -d $TARGET/$DTB_FILENAME -o $TARGET/$HEADER_FILENAME || die "Failed to produce $TARGET/$HEADER_FILENAME"
    $LDSCRIPT_GENERATOR -d $TARGET/$DTB_FILENAME -l $TARGET/$LDSCRIPT_FILENAME || die "Failed to produce $TARGET/$LDSCRIPT_FILENAME"

    # Remove temporary .dtb
    rm $TARGET/$DTB_FILENAME

    echo ""
}

for TARGET in $TARGET_LIST
do
    update_target $TARGET
done