automation: Add smoke test for ppc64le

Add an initial smoke test that boots xen on a ppc64/pseries machine and
checks for a magic string. Based on the riscv smoke test.

Eventually the powernv9 (POWER9 bare metal) machine type will want to be
tested as well, but for now we only boot on pseries.

Signed-off-by: Shawn Anastasio <sanastasio@raptorengineering.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Jiamei Xie <jiamei.xie@arm.com>

automation/gitlab-ci/test.yaml

@@ -71,6 +71,19 @@
   tags:
     - x86_64
 
+.qemu-ppc64le:
+  extends: .test-jobs-common
+  variables:
+    CONTAINER: debian:bullseye-ppc64le
+    LOGFILE: qemu-smoke-ppc64le.log
+  artifacts:
+    paths:
+      - smoke.serial
+      - '*.log'
+    when: always
+  tags:
+    - x86_64
+
 .xilinx-arm64:
   extends: .test-jobs-common
   variables:
@@ -444,3 +457,10 @@ qemu-smoke-riscv64-gcc:
     - ./automation/scripts/qemu-smoke-riscv64.sh 2>&1 | tee ${LOGFILE}
   needs:
     - archlinux-current-gcc-riscv64-debug
+
+qemu-smoke-ppc64le-pseries-gcc:
+  extends: .qemu-ppc64le
+  script:
+    - ./automation/scripts/qemu-smoke-ppc64le.sh pseries-5.2 2>&1 | tee ${LOGFILE}
+  needs:
+    - debian-bullseye-gcc-ppc64le-debug

automation/scripts/qemu-smoke-ppc64le.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -ex
+
+# machine type from first arg passed directly to qemu -M
+machine=$1
+
+# Run the test
+rm -f smoke.serial
+set +e
+
+touch smoke.serial
+
+timeout -k 1 20 \
+qemu-system-ppc64 \
+    -M $machine \
+    -m 2g \
+    -smp 1 \
+    -vga none \
+    -monitor none \
+    -nographic \
+    -serial file:smoke.serial \
+    -kernel binaries/xen
+
+set -e
+(grep -q "Hello, ppc64le!" smoke.serial) || exit 1
+exit 0