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-rwxr-xr-xscripts/runqemu71
1 files changed, 25 insertions, 46 deletions
diff --git a/scripts/runqemu b/scripts/runqemu
index dfa7f4bc2..231b1bf51 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -46,6 +46,11 @@ if [ "x$1" = "x" ]; then
usage
fi
+error() {
+ echo "Error: "$*
+ usage
+}
+
MACHINE=${MACHINE:=""}
KERNEL=""
FSTYPE=""
@@ -65,12 +70,8 @@ process_filename() {
case /$EXT/ in
/bin/)
# A file ending in .bin is a kernel
- if [ -z "$KERNEL" ]; then
- KERNEL=$filename
- else
- echo "Error: conflicting KERNEL args [$KERNEL] and [$filename]"
- usage
- fi
+ [ -z "$KERNEL" ] && KERNEL=$filename || \
+ error "conflicting KERNEL args [$KERNEL] and [$filename]"
;;
/ext[234]/|/jffs2/|/btrfs/)
# A file ending in a supportted fs type is a rootfs image
@@ -78,13 +79,11 @@ process_filename() {
FSTYPE=$EXT
ROOTFS=$filename
else
- echo "Error: conflicting FSTYPE types [$FSTYPE] and [$EXT]"
- usage
+ error "conflicting FSTYPE types [$FSTYPE] and [$EXT]"
fi
;;
*)
- echo "Error: unknown file arg [$filename]"
- usage
+ error "unknown file arg [$filename]"
;;
esac
}
@@ -97,20 +96,12 @@ while [ $i -le $# ]; do
arg=${!i}
case $arg in
"qemux86" | "qemux86-64" | "qemuarm" | "qemumips" | "qemuppc")
- if [ -z "$MACHINE" ]; then
- MACHINE=$arg
- else
- echo "Error: conflicting MACHINE types [$MACHINE] and [$arg]"
- usage
- fi
+ [ -z "$MACHINE" ] && MACHINE=$arg || \
+ error "conflicting MACHINE types [$MACHINE] and [$arg]"
;;
"ext2" | "ext3" | "jffs2" | "nfs" | "btrfs")
- if [ -z "$FSTYPE" -o "$FSTYPE" = "$arg" ]; then
- FSTYPE=$arg
- else
- echo "Error: conflicting FSTYPE types [$FSTYPE] and [$arg]"
- usage
- fi
+ [ -z "$FSTYPE" -o "$FSTYPE" = "$arg" ] && FSTYPE=$arg || \
+ error "conflicting FSTYPE types [$FSTYPE] and [$arg]"
;;
*-image*)
if [ -z "$ROOTFS" ]; then
@@ -127,8 +118,7 @@ while [ $i -le $# ]; do
LAZY_ROOTFS="true"
fi
else
- echo "Error: conflicting ROOTFS args [$ROOTFS] and [$arg]"
- usage
+ error "conflicting ROOTFS args [$ROOTFS] and [$arg]"
fi
;;
"nographic")
@@ -146,10 +136,8 @@ while [ $i -le $# ]; do
# to use simplified options instead
serial_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-serial\)'`
kvm_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-enable-kvm\)'`
- if [ ! -z "$serial_option" -o ! -z "$kvm_option" ]; then
- echo "Error: Please use simplified serial or kvm options instead"
- usage
- fi
+ [ ! -z "$serial_option" -o ! -z "$kvm_option" ] && \
+ error "Please use simplified serial or kvm options instead"
;;
"bootparams="*)
SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT ${arg##bootparams=}"
@@ -172,21 +160,18 @@ while [ $i -le $# ]; do
if [ -z "$FSTYPE" -o "$FSTYPE" = "nfs" ]; then
FSTYPE=nfs
else
- echo "Error: conflicting FSTYPE types [$arg] and nfs"
- usage
+ error "conflicting FSTYPE types [$arg] and nfs"
fi
if [ -z "$ROOTFS" ]; then
ROOTFS=$arg
else
- echo "Error: conflicting ROOTFS args [$ROOTFS] and [$arg]"
- usage
+ error "conflicting ROOTFS args [$ROOTFS] and [$arg]"
fi
elif [ -f "$arg" ]; then
process_filename $arg
else
- echo "Error: unable to classify arg [$arg]"
- usage
+ error "unable to classify arg [$arg]"
fi
;;
esac
@@ -229,19 +214,16 @@ fi
# Report errors for missing combinations of options
if [ -z "$MACHINE" -a -z "$KERNEL" ]; then
- echo "Error: you must specify at least a MACHINE or KERNEL argument"
- usage
+ error "you must specify at least a MACHINE or KERNEL argument"
fi
if [ "$FSTYPE" = "nfs" -a -z "$ROOTFS" ]; then
- echo "Error: NFS booting without an explicit ROOTFS path is not yet supported"
- usage
+ error "NFS booting without an explicit ROOTFS path is not yet supported"
fi
if [ -z "$MACHINE" ]; then
MACHINE=`basename $KERNEL | sed 's/.*-\(qemux86-64\|qemux86\|qemuarm\|qemumips\|qemuppc\).*/\1/'`
if [ -z "$MACHINE" ]; then
- echo "Error: Unable to set MACHINE from kernel filename [$KERNEL]"
- usage
+ error "Unable to set MACHINE from kernel filename [$KERNEL]"
fi
echo "Set MACHINE to [$MACHINE] based on kernel [$KERNEL]"
fi
@@ -349,8 +331,7 @@ if [ -z "$KERNEL" ]; then
KERNEL=$OE_TMPDIR/deploy/images/$kernel_file
if [ -z "$KERNEL" ]; then
- echo "Error: Unable to determine default kernel for MACHINE [$MACHINE]"
- usage
+ error "Unable to determine default kernel for MACHINE [$MACHINE]"
fi
fi
# KERNEL is now set for all cases
@@ -359,8 +340,7 @@ if [ -z "$FSTYPE" ]; then
eval FSTYPE=\$${machine2}_DEFAULT_FSTYPE
if [ -z "$FSTYPE" ]; then
- echo "Error: Unable to determine default fstype for MACHINE [$MACHINE]"
- usage
+ error "Unable to determine default fstype for MACHINE [$MACHINE]"
fi
fi
@@ -381,8 +361,7 @@ if [ -z "$ROOTFS" ]; then
findimage $T $MACHINE $FSTYPE
if [ -z "$ROOTFS" ]; then
- echo "Error: Unable to determine default rootfs for MACHINE [$MACHINE]"
- usage
+ error "Unable to determine default rootfs for MACHINE [$MACHINE]"
fi
fi
# ROOTFS is now set for all cases