tests/functional: Convert the microblaze avocado tests into standalone tests

The machine_microblaze.py file contained two tests, one for each
endianness. Since we only support one QEMU target binary per file
in the new functional test environment, we have to split this file
up into two files now.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240830133841.142644-23-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/functional/test_microblaze_s3adsp1800.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots a microblaze Linux kernel and checks the console
+#
+# Copyright (c) 2018, 2021 Red Hat, Inc.
+#
+# This work is licensed under the terms of the GNU GPL, version 2 or
+# later. See the COPYING file in the top-level directory.
+
+import time
+from qemu_test import exec_command, exec_command_and_wait_for_pattern
+from qemu_test import QemuSystemTest, Asset
+from qemu_test import wait_for_console_pattern
+from qemu_test.utils import archive_extract
+
+class MicroblazeMachine(QemuSystemTest):
+
+    timeout = 90
+
+    ASSET_IMAGE = Asset(
+        ('https://qemu-advcal.gitlab.io/qac-best-of-multiarch/download/'
+         'day17.tar.xz'),
+        '3ba7439dfbea7af4876662c97f8e1f0cdad9231fc166e4861d17042489270057')
+
+    def test_microblaze_s3adsp1800(self):
+        self.set_machine('petalogix-s3adsp1800')
+        file_path = self.ASSET_IMAGE.fetch()
+        archive_extract(file_path, self.workdir)
+        self.vm.set_console()
+        self.vm.add_args('-kernel', self.workdir + '/day17/ballerina.bin')
+        self.vm.launch()
+        wait_for_console_pattern(self, 'This architecture does not have '
+                                       'kernel memory protection')
+        # Note:
+        # The kernel sometimes gets stuck after the "This architecture ..."
+        # message, that's why we don't test for a later string here. This
+        # needs some investigation by a microblaze wizard one day...
+
+if __name__ == '__main__':
+    QemuSystemTest.main()