[meta-xilinx] [PATCH v2 3/6] qemu-xilinx-multiarch-helper-native: Recipe to provide a helper script

[Alistair Francis]

On Tue, May 30, 2017 at 4:45 AM, Nathan Rossi <nathan at nathanrossi.com> wrote:
> This recipe provides a helper script which is executed instead of the
> main qemu-system-aarch64 binary. This script is used to configure a
> multiarch QEMU setup where a MicroBlaze PMU instance is running along
> side the ZynqMP AArch64 instance.
>
> Signed-off-by: Nathan Rossi <nathan at nathanrossi.com>

Reviewed-by: Alistair Francis <alistair.francis at xilinx.com>

Thanks,
Alistair

> ---
> Changes in v2:
>   * Rework the script to accept '--pmu-args', passed in the single set
>     of args from runqemu and split into APU/PMU specific args
>   * Handle PMU ROM missing and generate an informative error pointing
>     users at README.qemu.md
> ---
>  .../qemu/files/qemu-system-aarch64-multiarch       | 32 ++++++++++++++++++++++
>  .../qemu-xilinx-multiarch-helper-native_1.0.bb     | 20 ++++++++++++++
>  2 files changed, 52 insertions(+)
>  create mode 100644 recipes-devtools/qemu/files/qemu-system-aarch64-multiarch
>  create mode 100644 recipes-devtools/qemu/qemu-xilinx-multiarch-helper-native_1.0.bb
>
> diff --git a/recipes-devtools/qemu/files/qemu-system-aarch64-multiarch b/recipes-devtools/qemu/files/qemu-system-aarch64-multiarch
> new file mode 100644
> index 0000000000..15124c1b7e
> --- /dev/null
> +++ b/recipes-devtools/qemu/files/qemu-system-aarch64-multiarch
> @@ -0,0 +1,32 @@
> +#!/bin/bash
> +
> +BINPATH=$(dirname $0)
> +MACHINE_PATH=$(mktemp -d)
> +
> +APU_ARGS=
> +PMU_ARGS=
> +
> +while [ ! -z "$1" ]; do
> +       if [ "$1" = "-pmu-args" ]; then
> +               PMU_ARGS+=" $2"
> +               shift
> +       else
> +               APU_ARGS+=" $1"
> +       fi
> +       shift
> +done
> +
> +PMU_ROM=$(last=; for i in $PMU_ARGS; do if [ "$last" = "-kernel" ]; then echo "$i"; break; fi; last=$i; done)
> +if [ ! -e $PMU_ROM ]; then
> +       echo "------"
> +       echo "Error: Missing PMU ROM - $PMU_ROM"
> +       echo "    See 'meta-xilinx/README.qemu.md' for more information on accquiring the PMU ROM."
> +       echo "------"
> +       exit 255
> +fi
> +
> +# start the PMU instance
> +$BINPATH/qemu-system-microblazeel $PMU_ARGS -machine-path $MACHINE_PATH &
> +# start the APU instance
> +$BINPATH/qemu-system-aarch64 $APU_ARGS -machine-path $MACHINE_PATH
> +
> diff --git a/recipes-devtools/qemu/qemu-xilinx-multiarch-helper-native_1.0.bb b/recipes-devtools/qemu/qemu-xilinx-multiarch-helper-native_1.0.bb
> new file mode 100644
> index 0000000000..a9b11c6c67
> --- /dev/null
> +++ b/recipes-devtools/qemu/qemu-xilinx-multiarch-helper-native_1.0.bb
> @@ -0,0 +1,20 @@
> +SUMMARY = "Helper scripts for executing a multi-arch instance of Xilinx QEMU"
> +LICENSE = "MIT"
> +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
> +RDEPENDS_${PN} = "qemu-xilinx-native"
> +
> +inherit native
> +
> +FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
> +
> +SRC_URI = "file://qemu-system-aarch64-multiarch"
> +
> +do_configure[noexec] = "1"
> +do_compile[noexec] = "1"
> +
> +SYSROOT_DIRS += "${bindir}/qemu-xilinx"
> +
> +do_install() {
> +       install -Dm 0755 ${WORKDIR}/qemu-system-aarch64-multiarch ${D}${bindir}/qemu-xilinx/qemu-system-aarch64-multiarch
> +}
> +
> --
> 2.11.0
>
> --
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