diff options
Diffstat (limited to 'scripts/uboot-script-gen')
-rwxr-xr-x | scripts/uboot-script-gen | 164 |
1 files changed, 157 insertions, 7 deletions
diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen index 4f9c04a..d8772bc 100755 --- a/scripts/uboot-script-gen +++ b/scripts/uboot-script-gen @@ -2,14 +2,153 @@ offset=$((2*1024*1024)) filesize=0 -prog_req=(mkimage file fdtput) +prog_req=(mkimage file fdtput mktemp awk) tmp_files=() +tmp_dirs=() function remove_tmp_files() { for i in "${tmp_files[@]}" do - rm -f "$i" + rm -r "$i" + done + + for i in "${tmp_dirs[@]}" + do + rm -rf "$i" + done +} + +function sanity_check_partial_dts() +{ + local domU_passthrough_path="$1" + local repo="$2" + local dir="$3" + local address_cells_val + local size_cells_val + local tmpdtb + local val + local file + + for devpath in $domU_passthrough_path + do + file=${devpath##*/} + file="$repo"/"$dir"/"$file".dts + + if ! test -f "$file" + then + echo "Device tree \"$file\" is not present" + cleanup_and_return_err + fi + + tmpdtb=`mktemp` + dtc -I dts -O dtb -o $tmpdtb "$file" + tmp_files+=($tmpdtb) + + val=$(fdtget $tmpdtb /passthrough \#address-cells) + if test -z "$address_cells_val" + then + address_cells_val="$val" + else + if test "$address_cells_val" -ne "$val" + then + echo "Address cells mismatch for ${DOMU_PASSTHROUGH_PATHS[$i]}" + cleanup_and_return_err + fi + fi + + val=$(fdtget $tmpdtb /passthrough \#size-cells) + if test -z "$size_cells_val" + then + size_cells_val="$val" + else + if test "$size_cells_val" -ne "$val" + then + echo "Size cells mismatch for ${DOMU_PASSTHROUGH_PATHS[$i]}" + cleanup_and_return_err + fi + fi + done +} + +function compile_merge_partial_dts() +{ + local repo=$(echo "$1" | awk '{print $1}') + local dir=$(echo "$1" | awk '{print $2}') + local tmp + local tmp_dtb_dir + + if [[ "$repo" =~ .*@.*:.* ]] + then + tmp=`mktemp -d` + tmp_dirs+=($tmp) + + echo "Cloning git repo \"$git_repo\"" + git clone "$repo" $tmp + if [ $? -ne 0 ] + then + echo "Error occurred while cloning \"$git_repo\"" + cleanup_and_return_err + fi + + repo=$tmp + fi + + tmp_dtb_dir=`mktemp -d "partial-dtbs-XXX"` + + if test -z "$dir" + then + dir="." + fi + + i=0 + while test $i -lt $NUM_DOMUS + do + if test -z "${DOMU_PASSTHROUGH_PATHS[$i]}" + then + echo "DOMU_PASSTHROUGH_PATHS[$i] is not defined" + cleanup_and_return_err + fi + + sanity_check_partial_dts "${DOMU_PASSTHROUGH_PATHS[$i]}" "$repo" "$dir" + + tmp=`mktemp "$tmp_dtb_dir/partial-dts-domU$i-XXX"` + tmp_files+=($tmp) + + j=1 + + for devpath in ${DOMU_PASSTHROUGH_PATHS[$i]} + do + file=${devpath##*/} + file="$repo"/"$dir"/"$file".dts + + echo "/include/ \"$file\"" >> "$tmp" + + # All the subsequent dts files should not have dts version mentioned + if [ $j -gt 1 ] + then + sed -i '/\/dts-v/d' "$file" + fi + + j=$(( $j + 1 )) + done + + dtc -I dts -O dtb -o "$tmp".dtb "$tmp" + if [ $? -ne 0 ] + then + echo "Could not compile \"$tmp\"" + cleanup_and_return_err + fi + + if test "${DOMU_PASSTHROUGH_DTB[$i]}" + then + echo "Can't set both PASSTHROUGH_DTS_REPO and DOMU_PASSTHROUGH_DTB" + cleanup_and_return_err + fi + + DOMU_PASSTHROUGH_DTB[$i]="$tmp".dtb + + i=$(( $i + 1 )) done } @@ -133,14 +272,14 @@ function xen_device_tree_editing() dt_set "/chosen/dom0-ramdisk" "reg" "hex" "0x0 $ramdisk_addr 0x0 $(printf "0x%x" $ramdisk_size)" fi - for devpath in $XEN_PASSTHROUGH_PATHS - do - dt_set "$devpath" "xen,passthrough" "str_a" - done - i=0 while test $i -lt $NUM_DOMUS do + for devpath in ${DOMU_PASSTHROUGH_PATHS[$i]} + do + dt_set "$devpath" "xen,passthrough" "str_a" + done + if test "${DOMU_ROOTFS[$i]}" || test "${DOMU_NOBOOT[$i]}" then i=$(( $i + 1 )) @@ -815,6 +954,11 @@ then exit 1 fi +if test -z "$NUM_DOMUS" +then + NUM_DOMUS=0 +fi + if test "$XEN" then os="xen" @@ -852,6 +996,12 @@ fi # tftp or move the files to a partition cd "$uboot_dir" +if test "$PASSTHROUGH_DTS_REPO" +then + compile_merge_partial_dts "$PASSTHROUGH_DTS_REPO" + echo "Done compiling the partial device trees" +fi + if test "$FIT" then if ! test "$FDTEDIT" |