aboutsummaryrefslogtreecommitdiff
path: root/scripts/uboot-script-gen
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/uboot-script-gen')
-rwxr-xr-xscripts/uboot-script-gen164
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"