tests/functional: Convert ARM bFLT linux-user avocado test

Straight forward conversion. Update the SHA1 hashes to
SHA256 hashes since SHA1 should not be used anymore nowadays.
Expose cpio_extract() in qemu_test.utils for possible reuse.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240822104238.75045-3-philmd@linaro.org>
[thuth: Add test to meson.build]
Message-ID: <20240830133841.142644-39-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

3 files changed, 57 insertions, 0 deletions

diff --git a/tests/functional/meson.build b/tests/functional/meson.build
index 35c4bad..cda89c4 100644
--- a/tests/functional/meson.build
+++ b/tests/functional/meson.build
@@ -44,6 +44,10 @@ tests_arm_system_thorough = [
   'arm_integratorcp',
 ]
 
+tests_arm_linuxuser_thorough = [
+  'arm_bflt',
+]
+
 tests_avr_system_thorough = [
   'avr_mega2560',
 ]
diff --git a/tests/functional/qemu_test/utils.py b/tests/functional/qemu_test/utils.py
index 99eae5f..2a1cb60 100644
--- a/tests/functional/qemu_test/utils.py
+++ b/tests/functional/qemu_test/utils.py
@@ -12,6 +12,7 @@ import gzip
 import lzma
 import os
 import shutil
+import subprocess
 import tarfile
 
 def archive_extract(archive, dest_dir, member=None):
@@ -45,3 +46,11 @@ def lzma_uncompress(xz_path, output_path):
         except:
             os.remove(output_path)
             raise
+
+def cpio_extract(cpio_handle, output_path):
+    cwd = os.getcwd()
+    os.chdir(output_path)
+    subprocess.run(['cpio', '-i'],
+                   input=cpio_handle.read(),
+                   stderr=subprocess.DEVNULL)
+    os.chdir(cwd)
diff --git a/tests/functional/test_arm_bflt.py b/tests/functional/test_arm_bflt.py
new file mode 100755
index 0000000..281925d
--- /dev/null
+++ b/tests/functional/test_arm_bflt.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+#
+# Test the bFLT loader format
+#
+# Copyright (C) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os
+import bz2
+
+from qemu_test import QemuUserTest, Asset
+from qemu_test import has_cmd
+from qemu_test.utils import cpio_extract
+from unittest import skipUnless
+
+
+class LoadBFLT(QemuUserTest):
+
+    ASSET_ROOTFS = Asset(
+        ('https://elinux.org/images/5/51/Stm32_mini_rootfs.cpio.bz2'),
+         'eefb788e4980c9e8d6c9d60ce7d15d4da6bf4fbc6a80f487673824600d5ba9cc')
+
+    @skipUnless(*has_cmd('cpio'))
+    @skipUnless(os.getenv('QEMU_TEST_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+    def test_stm32(self):
+        # See https://elinux.org/STM32#User_Space
+        rootfs_path_bz2 = self.ASSET_ROOTFS.fetch()
+        busybox_path = os.path.join(self.workdir, "bin/busybox")
+
+        with bz2.open(rootfs_path_bz2, 'rb') as cpio_handle:
+            cpio_extract(cpio_handle, self.workdir)
+
+        res = self.run_cmd(busybox_path)
+        ver = 'BusyBox v1.24.0.git (2015-02-03 22:17:13 CET) multi-call binary.'
+        self.assertIn(ver, res.stdout)
+
+        res = self.run_cmd(busybox_path, ['uname', '-a'])
+        unm = 'armv7l GNU/Linux'
+        self.assertIn(unm, res.stdout)
+
+
+if __name__ == '__main__':
+    QemuUserTest.main()