* [Buildroot] [PATCH 1/1] support/testing/tests/package/test_xvisor.py: new runtime test
@ 2024-11-05 20:38 Julien Olivain
2024-12-29 21:31 ` Thomas Petazzoni via buildroot
2025-01-06 14:46 ` Peter Korsgaard
0 siblings, 2 replies; 3+ messages in thread
From: Julien Olivain @ 2024-11-05 20:38 UTC (permalink / raw)
To: buildroot; +Cc: Julien Olivain
This is a basic test for Xvisor RISC-V 64bit. It is running few
management and status commands. It does not start a Linux kernel.
RISC-V 64bit was chosen for this test because it was the simplest
solution to run xvisor in a qemu emulator.
Signed-off-by: Julien Olivain <ju.o@free.fr>
---
DEVELOPERS | 1 +
support/testing/tests/package/test_xvisor.py | 131 +++++++++++++++++++
2 files changed, 132 insertions(+)
create mode 100644 support/testing/tests/package/test_xvisor.py
diff --git a/DEVELOPERS b/DEVELOPERS
index 5beaf54ffb..3b667b3cc4 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -2009,6 +2009,7 @@ F: support/testing/tests/package/test_which.py
F: support/testing/tests/package/test_wine.py
F: support/testing/tests/package/test_xfsprogs.py
F: support/testing/tests/package/test_xfsprogs/
+F: support/testing/tests/package/test_xvisor.py
F: support/testing/tests/package/test_xz.py
F: support/testing/tests/package/test_z3.py
F: support/testing/tests/package/test_z3/
diff --git a/support/testing/tests/package/test_xvisor.py b/support/testing/tests/package/test_xvisor.py
new file mode 100644
index 0000000000..b1b7d1a5e0
--- /dev/null
+++ b/support/testing/tests/package/test_xvisor.py
@@ -0,0 +1,131 @@
+import os
+import re
+
+import infra.basetest
+
+
+class TestXvisor(infra.basetest.BRTest):
+ # RISC-V 64bit is the "simplest" configuration to run
+ # Xvisor into QEmu.
+ config = \
+ """
+ BR2_riscv=y
+ BR2_TOOLCHAIN_EXTERNAL=y
+ BR2_PACKAGE_XVISOR=y
+ BR2_TARGET_ROOTFS_CPIO=y
+ # BR2_TARGET_ROOTFS_TAR is not set
+ BR2_TARGET_OPENSBI=y
+ BR2_TARGET_OPENSBI_CUSTOM_VERSION=y
+ BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.5"
+ BR2_TARGET_OPENSBI_PLAT="generic"
+ BR2_PACKAGE_HOST_QEMU=y
+ BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y
+ """
+ xvisor_prompt = "XVisor# "
+
+ def expect_xvisor_prompt(self, timeout=-1):
+ self.emulator.qemu.expect(self.xvisor_prompt, timeout=timeout)
+
+ def run_xvisor_cmd(self, cmd, timeout=-1):
+ exit_code = 0
+ if timeout != -1:
+ timeout *= self.emulator.timeout_multiplier
+ self.emulator.qemu.sendline(cmd)
+ self.expect_xvisor_prompt(timeout)
+ output = self.emulator.qemu.before.replace("\r\r", "\r").splitlines()[1:]
+ # Some Xvisor commands (like "sleep") might not
+ # produce any output
+ if len(output) > 0:
+ last_line = output[-1]
+ else:
+ last_line = ""
+ if last_line.startswith("Error:"):
+ match = re.search(last_line, r"code (-?\d)")
+ if match is None:
+ exit_code = -1
+ else:
+ exit_code = int(match.group(1))
+
+ return output, exit_code
+
+ def assertXvRunOk(self, cmd, timeout=-1):
+ out, exit_code = self.run_xvisor_cmd(cmd, timeout)
+ self.assertEqual(
+ exit_code,
+ 0,
+ "\nFailed to run xvisor command: {}\noutput was:\n{}".format(
+ cmd, ' '+'\n '.join(out))
+ )
+
+ def test_run(self):
+ opensbi = os.path.join(self.builddir, "images", "fw_jump.bin")
+ xvisor = os.path.join(self.builddir, "images", "vmm.bin")
+ initrd = os.path.join(self.builddir, "images", "rootfs.cpio")
+
+ self.emulator.boot(arch="riscv64",
+ kernel=xvisor,
+ options=["-M", "virt", "-cpu", "rv64", "-m", "256M",
+ "-bios", opensbi, "-initrd", initrd])
+
+ # There is no emulator.login(), since we start directly in
+ # Xvisor prompt.
+ self.expect_xvisor_prompt()
+
+ # Check Xvisor version.
+ output, exit_code = self.run_xvisor_cmd("version")
+ self.assertEqual(exit_code, 0)
+ self.assertTrue(output[0].startswith("Xvisor"))
+
+ # Check a basic echo.
+ test_str = "Hello Buildroot!"
+ output, exit_code = self.run_xvisor_cmd("echo " + test_str)
+ self.assertEqual(exit_code, 0)
+ self.assertEqual(output[0].strip(), test_str)
+
+ # Check a nonexisting command fails.
+ _, exit_code = self.run_xvisor_cmd("bad_command")
+ self.assertNotEqual(exit_code, 0)
+
+ # Check an error of a valid command.
+ _, exit_code = self.run_xvisor_cmd("vfs ls /nodir")
+ self.assertNotEqual(exit_code, 0)
+
+ # We mount the initrd...
+ self.assertXvRunOk("vfs mount initrd /")
+
+ # Check we see an existing file/symlink "os-release" in
+ # "/etc", from our mounted initrd.
+ output, exit_code = self.run_xvisor_cmd("vfs ls /etc")
+ self.assertEqual(exit_code, 0)
+ self.assertIn("os-release", "\n".join(output))
+
+ # Check the word "Buildroot" is in the /etc/issue file.
+ output, exit_code = self.run_xvisor_cmd("vfs cat /etc/issue")
+ self.assertEqual(exit_code, 0)
+ self.assertIn("Buildroot", "\n".join(output))
+
+ # Check qemu is seen in host info.
+ output, exit_code = self.run_xvisor_cmd("host info")
+ self.assertEqual(exit_code, 0)
+ self.assertIn("qemu", "\n".join(output))
+
+ # Run a batch of status commands...
+ cmds = [
+ "blockdev list",
+ "rbd list",
+ "module info 0",
+ "wallclock get_time",
+ "heap info",
+ "thread list",
+ "vcpu list",
+ "vcpu dumpreg 0",
+ "devtree node show /",
+ "host cpu info",
+ "host ram info",
+ "host resources",
+ "host bus_list",
+ "host bus_device_list platform"
+ ]
+
+ for cmd in cmds:
+ self.assertXvRunOk(cmd)
--
2.47.0
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2024-11-05 20:38 [Buildroot] [PATCH 1/1] support/testing/tests/package/test_xvisor.py: new runtime test Julien Olivain
2024-12-29 21:31 ` Thomas Petazzoni via buildroot
2025-01-06 14:46 ` Peter Korsgaard
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