diff --git a/prepare-emmc-qemu/prepare-emmc-qemu b/prepare-emmc-qemu/prepare-emmc-qemu
new file mode 100755
index 0000000..e7cbadf
--- /dev/null
+++ b/prepare-emmc-qemu/prepare-emmc-qemu
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+set -eu
+
+print_help() {
+    script_name=$(basename $0)
+    echo NAME
+    echo '\t'$script_name: Assemble an OpenBMC eMMC image that can be booted under QEMU
+    echo
+    echo SYNOPSYS
+    echo '\t'$script_name '<TARGET>' '<BUILDDIR>' '[IMAGESIZE]'
+    echo
+    echo DESCRIPTION
+    echo '\t''TARGET':'\t\t'The name of the target machine, used to locate the required images.
+    echo '\t''BUILDDIR':'\t'The path to the OpenBMC build directory.
+    echo '\t''IMAGESIZE':'\t'The output image size, may be specified with units. Defaults to 16G.
+    echo
+    echo EXAMPLE:
+    echo '\t'$script_name 'p10bmc' '~/src/openbmc/openbmc/build/p10bmc'
+}
+
+if [ $# -eq 0 ]
+then
+    print_help
+    exit 1
+fi
+
+if [ "$1" = "-h" -o "$1" = "--help" ]
+then
+    print_help
+    exit 0
+fi
+
+if [ $# -lt 2 ]
+then
+    print_help
+    exit 1
+fi
+
+set -x
+
+target="$1"
+build_dir="$2"
+image_size=${3:-16G}
+
+fw_dir=${build_dir}/tmp/deploy/images/${target}
+wicxz="${fw_dir}/obmc-phosphor-image-${target}.wic.xz"
+mmc="mmc-${target}.img"
+
+dd of=$mmc if=/dev/zero bs=1M count=128
+dd of=$mmc if=${fw_dir}/u-boot-spl.bin conv=notrunc
+dd of=$mmc if=${fw_dir}/u-boot.bin conv=notrunc bs=1K seek=64
+xzdec $wicxz | dd of=$mmc conv=notrunc bs=1M seek=2
+truncate --size ${image_size} $mmc
+
+set +x
+
+echo
+echo For an AST2600-based machine, invoke QEMU with the following parameters:
+echo
+echo '\t'-drive file=$(realpath ${mmc}),if=sd,format=raw,index=2