[meta-xilinx] [PATCH 2/5] qemu-xilinx-multiarch-helper-native: Recipe to provide a helper script

[Alistair Francis]

On Wed, May 24, 2017 at 8:47 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>
> ---
>  .../qemu/files/qemu-system-aarch64-multiarch       | 23 ++++++++++++++++++++++
>  .../qemu-xilinx-multiarch-helper-native_1.0.bb     | 20 +++++++++++++++++++
>  2 files changed, 43 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..7bd976b25e
> --- /dev/null
> +++ b/recipes-devtools/qemu/files/qemu-system-aarch64-multiarch
> @@ -0,0 +1,23 @@
> +#!/bin/bash
> +
> +BINPATH=$(dirname $0)
> +MACHINE_PATH=$(mktemp -d)
> +DTB_DIR=$(dirname $(echo $* | grep -Po "\-hw-dtb.*?\.dtb" | sed 's/-hw-dtb\s*//'))
> +DEPLOY_DIR=$DTB_DIR/../../
> +MACHINE_NAME=$(basename $(readlink -f $DEPLOY_DIR))
> +

I think there needs to be a check here to make sure the ROM exists. If
not can we print something nice explaining how to get it?

Thanks,
Alistair

> +# start the microblaze instance
> +$BINPATH/qemu-system-microblazeel \
> +       -M microblaze-fdt \
> +       -display none \
> +       -hw-dtb $DTB_DIR/zynqmp-pmu.dtb \
> +       -kernel $DEPLOY_DIR/pmu-rom.elf \
> +       -device loader,file=$DEPLOY_DIR/pmu-$MACHINE_NAME.elf \
> +       -machine-path $MACHINE_PATH \
> +       -device loader,addr=0xfd1a0074,data=0x1011003,data-len=4 \
> +       -device loader,addr=0xfd1a007C,data=0x1010f03,data-len=4 \
> +       &
> +
> +# replace with the primary QEMU instance
> +$BINPATH/qemu-system-aarch64 $* -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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