runqemu scripts: add support for booting an ISO image

Add support for booting an ISO image for runqemu scripts.

[YOCTO #3710]

(From OE-Core rev: edd629029979dc18905fce23b64216f15eea501f)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 13 insertions, 0 deletions

diff --git a/scripts/runqemu b/scripts/runqemu
index 188eccf003..c20c8dd3a6 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -27,6 +27,7 @@ usage() {
     echo "  ROOTFS - the rootfs image file or nfsroot directory to use"
     echo "  MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified)"
     echo "  RAMFS - boot a ramfs-based image"
+    echo "  ISO - boot an ISO image"
     echo "  VM - boot a vmdk image"
     echo "  Simplified QEMU command-line options can be passed with:"
     echo "    nographic - disables video console"
@@ -40,6 +41,7 @@ usage() {
     echo "  $MYNAME qemux86-64 core-image-sato ext3"
     echo "  $MYNAME path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial"
     echo "  $MYNAME qemux86 ramfs"
+    echo "  $MYNAME qemux86 iso"
     echo "  $MYNAME qemux86 qemuparams=\"-m 256\""
     echo "  $MYNAME qemux86 bootparams=\"psplash=false\""
     echo "  $MYNAME path/to/<image>-<machine>.vmdk"
@@ -132,6 +134,10 @@ while true; do
             FSTYPE=cpio.gz
             RAMFS=true
             ;;
+        "iso")
+            FSTYPE=iso
+            ISOFS=true
+            ;;
         "nographic")
             SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -nographic"
             SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT console=ttyS0"
diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal
index 9d570ed9c6..0e3dad0e13 100755
--- a/scripts/runqemu-internal
+++ b/scripts/runqemu-internal
@@ -475,6 +475,10 @@ if [ "x$RAMFS" = "xtrue" ]; then
     KERNCMDLINE="root=/dev/ram0 debugshell"
 fi
 
+if [ "x$ISOFS" = "xtrue" ]; then
+    QEMUOPTIONS="-cdrom $ROOTFS"
+fi
+
 if [ "x$QEMUOPTIONS" = "x" ]; then
     echo "Error: Unable to support this combination of options"
     cleanup
@@ -577,6 +581,9 @@ echo "Running $QEMU..."
 if [ "$FSTYPE" = "vmdk" ]; then
     echo $QEMUBIN $VM $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT
     LD_PRELOAD="$GL_LD_PRELOAD" $QEMUBIN $VM $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT
+elif [ "$FSTYPE" = "iso" ]; then
+    echo $QEMUBIN $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT
+    LD_PRELOAD="$GL_LD_PRELOAD" $QEMUBIN $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT
 else
     echo $QEMUBIN -kernel $KERNEL $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT --append '"'$KERNCMDLINE $SCRIPT_KERNEL_OPT'"'
     LD_PRELOAD="$GL_LD_PRELOAD" $QEMUBIN -kernel $KERNEL $QEMUOPTIONS $SERIALOPTS -no-reboot $SCRIPT_QEMU_OPT $SCRIPT_QEMU_EXTRA_OPT --append "$KERNCMDLINE $SCRIPT_KERNEL_OPT"