diff mbox series

[RFC,RESEND,42/42] tests/functional: Test Aarch64 virt machine with split-accelerator

Message ID 20250620172751.94231-43-philmd@linaro.org
State New
Headers show
Series accel/split/arm: Run EL2 using TCG and EL1/EL0 in hardware with HVF | expand

Commit Message

Philippe Mathieu-Daudé June 20, 2025, 5:27 p.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 tests/functional/meson.build                |  1 +
 tests/functional/test_aarch64_virt_split.py | 69 +++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 tests/functional/test_aarch64_virt_split.py
diff mbox series

Patch

diff --git a/tests/functional/meson.build b/tests/functional/meson.build
index e9f19d54a27..20d18eb8f5d 100644
--- a/tests/functional/meson.build
+++ b/tests/functional/meson.build
@@ -98,6 +98,7 @@  tests_aarch64_system_thorough = [
   'aarch64_tuxrun',
   'aarch64_virt',
   'aarch64_virt_gpu',
+  'aarch64_virt_split',
   'aarch64_xen',
   'aarch64_xlnx_versal',
   'multiprocess',
diff --git a/tests/functional/test_aarch64_virt_split.py b/tests/functional/test_aarch64_virt_split.py
new file mode 100644
index 00000000000..840ffe2f732
--- /dev/null
+++ b/tests/functional/test_aarch64_virt_split.py
@@ -0,0 +1,69 @@ 
+#!/usr/bin/env python3
+#
+# Copyright (c) 2024 Linaro Ltd.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os
+import re
+
+from qemu_test import QemuSystemTest, Asset
+from qemu_test import exec_command, wait_for_console_pattern
+from qemu_test import exec_command_and_wait_for_pattern
+
+def test_nested_guest(test_instance):
+
+    # TODO:
+    # - kvm-unit-tests
+    # - boot KVM guest
+    pass
+
+def get_accel_transitions(vm):
+    hmp = vm.cmd('human-monitor-command', command_line='info accel')
+    for line in hmp.split('\r\n'):
+        match = re.search(r'Transitions: (\d+)', line)
+        if match is not None:
+            return int(match[1])
+    return 0
+
+
+class Aarch64VirtSplit(QemuSystemTest):
+
+    ASSET_KERNEL = Asset(
+        ('https://fileserver.linaro.org/s/Jao8KCct246QFy2/'
+         'download/Image-6.14.5+initramfs_with_kvm_unit_tests.xz'),
+         '9cc074434b41bce61f0534381dd6912ca6f33524077b02b5f4062a5e696d1b30')
+
+    def test_aarch64_virt_split(self):
+        self.set_machine('virt')
+        self.require_accelerator('split')
+
+        self.vm.set_console()
+
+        kernel = self.uncompress(self.ASSET_KERNEL)
+
+        self.vm.add_args('-accel', 'split')
+        self.vm.add_args('-cpu', 'host')
+        self.vm.add_args('-m', '2G')
+        self.vm.add_args('-M', 'virtualization=on,'
+                               'gic-version=max')
+        self.vm.add_args('-kernel', kernel)
+        self.vm.add_args('-netdev', 'user,id=net0')
+        self.vm.add_args('-append', 'console=ttyAMA0 '
+                                    'kvm-arm.mode=nvhe')
+
+        self.vm.launch()
+        wait_for_console_pattern(self, "CPU: All CPU(s) started at EL2")
+        wait_for_console_pattern(self, "kvm [1]: Hyp nVHE mode initialized")
+        wait_for_console_pattern(self, 'Welcome to Buildroot',
+                                 failure_message='Synchronous Exception at')
+        exec_command_and_wait_for_pattern(self, 'root', '#')
+
+        self.assertGreater(get_accel_transitions(self.vm), 13,
+                           "Not enough accel transitions")
+
+        test_nested_guest(self)
+
+
+if __name__ == '__main__':
+    QemuSystemTest.main()