tests/functional: Add aarch64 windows validation OS test

Signed-off-by: Pierrick Bouvier <[email protected]>

tests/functional/meson.build

@@ -19,6 +19,7 @@ test_timeouts = {
   'aarch64_sbsaref_freebsd' : 720,
   'aarch64_tuxrun' : 240,
   'aarch64_virt' : 720,
+  'aarch64_virt_windows' : 720,
   'acpi_bits' : 420,
   'arm_aspeed_palmetto' : 120,
   'arm_aspeed_romulus' : 120,
@@ -68,6 +69,7 @@ tests_aarch64_system_thorough = [
   'aarch64_tuxrun',
   'aarch64_virt',
   'aarch64_xlnx_versal',
+  'aarch64_virt_windows',
   'multiprocess',
 ]
 

tests/functional/test_aarch64_virt_windows.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots Windows Validation OS.
+# https://learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/validation-os-overview
+#
+# Copyright (c) 2024 Linaro Ltd.
+#
+# Author:
+#  Pierrick Bouvier <[email protected]>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import logging
+import os
+import shutil
+import time
+
+from qemu_test import BUILD_DIR
+from qemu_test import QemuSystemTest, Asset
+from qemu_test.tesseract import tesseract_available, tesseract_ocr
+from unittest import skipUnless
+
+
+class Aarch64VirtWindowsMachine(QemuSystemTest):
+    # VM image comes from iso download at:
+    # https://aka.ms/DownloadValidationOS_arm64
+    ASSET_WINVOS_IMG = Asset(
+        ('https://fileserver.linaro.org/s/iTFEgXfpa9FfrGk/'
+         'download/ValidationOS.vhdx'),
+         'ae6d95d6657a2d644ecff42abd713b11c808756416ee610a1fcf86cb34d49675')
+
+    @skipUnless(tesseract_available(4), 'tesseract OCR tool not available')
+    def test_win_virt_tcg(self):
+        self.set_machine('virt')
+        self.require_accelerator('tcg')
+
+        orig_img_path = self.ASSET_WINVOS_IMG.fetch()
+        img_path = os.path.join(self.workdir, 'winvos.vhdx')
+        shutil.copy(orig_img_path, img_path)
+        os.chmod(img_path, 0o644)
+
+        self.vm.add_args('-accel', 'tcg')
+        self.vm.add_args('-cpu', 'max,pauth-impdef=on')
+        self.vm.add_args('-machine',
+                         'virt,its=on,'
+                         'virtualization=false,'
+                         'gic-version=3')
+        self.vm.add_args('-smp', '1', '-m', '1024')
+        self.vm.add_args('-bios', os.path.join(BUILD_DIR, 'pc-bios',
+                                               'edk2-aarch64-code.fd'))
+        self.vm.add_args('-device', 'ramfb')
+        self.vm.add_args('-device', 'nvme,drive=hd0,serial=00000001')
+        self.vm.add_args('-drive', f'if=none,media=disk,id=hd0,file={img_path}')
+
+        self.vm.launch()
+
+        screenshot_path = os.path.join(self.workdir, "dump_winvos.ppm")
+        # We now capture screen and use tesseract to perform OCR.
+        # Windows boot is silent, until a terminal and a prompt appear.
+        # To debug this test, launch the test, and display captured screen with:
+        # feh $(find | grep dump_winvos.ppm)
+        while True:
+            time.sleep(1)
+            self.vm.cmd('human-monitor-command',
+                        command_line='screendump %s' % screenshot_path)
+            lines = tesseract_ocr(screenshot_path)
+            # wait for prompt to appear 'C:\windows\system32>'
+            # tesseract can't recognize 'C' because character is mixed with
+            # border of window.
+            if 'windows\system32>' in ''.join(lines).lower():
+                break
+
+
+if __name__ == '__main__':
+    QemuSystemTest.main()