tests/functional: Add a ppc sam460ex test

The test sequence boots from kernel a sam460ex machine with a
virtio-net device to check PCI.

The buildroot is built with config :

  BR2_powerpc=y
  BR2_powerpc_440fp=y

and the kernel with the '44x/canyonlands' deconfig and virtio support.

Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20250203092606.491933-1-clg@redhat.com>
[thuth: sort meson.build alphabetically]
Signed-off-by: Thomas Huth <thuth@redhat.com>

MAINTAINERS

@@ -1562,6 +1562,7 @@ F: pc-bios/canyonlands.dt[sb]
 F: pc-bios/u-boot-sam460ex-20100605.bin
 F: roms/u-boot-sam460ex
 F: docs/system/ppc/amigang.rst
+F: tests/functional/test_ppc_sam460ex.py
 
 pegasos2
 M: BALATON Zoltan <balaton@eik.bme.hu>

tests/functional/meson.build

@@ -197,6 +197,7 @@ tests_ppc_system_thorough = [
   'ppc_bamboo',
   'ppc_mac',
   'ppc_mpc8544ds',
+  'ppc_sam460ex',
   'ppc_tuxrun',
   'ppc_virtex_ml507',
 ]

tests/functional/test_ppc_sam460ex.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots a sam460ex machine with a PPC 460EX CPU
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from qemu_test import LinuxKernelTest, Asset
+from qemu_test import exec_command_and_wait_for_pattern
+
+
+class sam460exTest(LinuxKernelTest):
+
+    ASSET_BR2_SAM460EX_LINUX = Asset(
+        'https://github.com/legoater/qemu-ppc-boot/raw/refs/heads/main/buildroot/qemu_ppc_sam460ex-2023.11-8-gdcd9f0f6eb-20240105/vmlinux',
+        '6f46346f3e20e8b5fc050ff363f350f8b9d76a051b9e0bd7ea470cc680c14df2')
+
+    def test_ppc_sam460ex_buildroot(self):
+        self.set_machine('sam460ex')
+        self.require_netdev('user')
+
+        linux_path = self.ASSET_BR2_SAM460EX_LINUX.fetch()
+
+        self.vm.set_console()
+        self.vm.add_args('-kernel', linux_path,
+                         '-device', 'virtio-net-pci,netdev=net0',
+                         '-netdev', 'user,id=net0')
+        self.vm.launch()
+
+        self.wait_for_console_pattern('Linux version')
+        self.wait_for_console_pattern('Hardware name: amcc,canyonlands 460EX')
+        self.wait_for_console_pattern('/init as init process')
+        self.wait_for_console_pattern('lease of 10.0.2.15 obtained')
+        self.wait_for_console_pattern('buildroot login:')
+        exec_command_and_wait_for_pattern(self, 'root', '#')
+        exec_command_and_wait_for_pattern(self, 'poweroff', 'System Halted')
+
+if __name__ == '__main__':
+    LinuxKernelTest.main()