Import 80d60e7 from yoctoproject.org meta-arm

To support ARMv8 SoCs.

meta-arm has several patch files.  Since they are maintained by the
upstream meta-arm community, add meta-arm to the ignore list in
run-repotest.

Change-Id: Ia87a2e947bbabd347d256eccc47a343e1c885479
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-arm/meta-arm/lib/oeqa/controllers/fvp.py b/meta-arm/meta-arm/lib/oeqa/controllers/fvp.py
new file mode 100644
index 0000000..c8dcf29
--- /dev/null
+++ b/meta-arm/meta-arm/lib/oeqa/controllers/fvp.py
@@ -0,0 +1,147 @@
+import asyncio
+import pathlib
+import pexpect
+import os
+
+from oeqa.core.target.ssh import OESSHTarget
+from fvp import conffile, runner
+
+
+class OEFVPSSHTarget(OESSHTarget):
+    """
+    Base class for meta-arm FVP targets.
+    Contains common logic to start and stop an FVP.
+    """
+    def __init__(self, logger, target_ip, server_ip, timeout=300, user='root',
+                 port=None, dir_image=None, rootfs=None, **kwargs):
+        super().__init__(logger, target_ip, server_ip, timeout, user, port)
+        image_dir = pathlib.Path(dir_image)
+        # rootfs may have multiple extensions so we need to strip *all* suffixes
+        basename = pathlib.Path(rootfs)
+        basename = basename.name.replace("".join(basename.suffixes), "")
+        self.fvpconf = image_dir / (basename + ".fvpconf")
+        self.config = conffile.load(self.fvpconf)
+
+        if not self.fvpconf.exists():
+            raise FileNotFoundError(f"Cannot find {self.fvpconf}")
+
+    async def boot_fvp(self):
+        self.fvp = runner.FVPRunner(self.logger)
+        await self.fvp.start(self.config)
+        self.logger.debug(f"Started FVP PID {self.fvp.pid()}")
+        await self._after_start()
+
+    async def _after_start(self):
+        pass
+
+    async def _after_stop(self):
+        pass
+
+    async def stop_fvp(self):
+        returncode = await self.fvp.stop()
+        await self._after_stop()
+
+        self.logger.debug(f"Stopped FVP with return code {returncode}")
+
+    def start(self, **kwargs):
+        # When we can assume Py3.7+, this can simply be asyncio.run()
+        loop = asyncio.get_event_loop()
+        loop.run_until_complete(asyncio.gather(self.boot_fvp()))
+
+    def stop(self, **kwargs):
+        loop = asyncio.get_event_loop()
+        loop.run_until_complete(asyncio.gather(self.stop_fvp()))
+
+
+class OEFVPTarget(OEFVPSSHTarget):
+    """
+    For compatibility with OE-core test cases, this target's start() method
+    waits for a Linux shell before returning to ensure that SSH commands work
+    with the default test dependencies.
+    """
+    def __init__(self, logger, target_ip, server_ip, bootlog=None, **kwargs):
+        super().__init__(logger, target_ip, server_ip, **kwargs)
+        self.logfile = bootlog and open(bootlog, "wb") or None
+
+        # FVPs boot slowly, so allow ten minutes
+        self.boot_timeout = 10 * 60
+
+    async def _after_start(self):
+        self.logger.debug(f"Awaiting console on terminal {self.config['consoles']['default']}")
+        console = await self.fvp.create_pexpect(self.config['consoles']['default'])
+        try:
+            console.expect("login\\:", timeout=self.boot_timeout)
+            self.logger.debug("Found login prompt")
+        except pexpect.TIMEOUT:
+            self.logger.info("Timed out waiting for login prompt.")
+            self.logger.info("Boot log follows:")
+            self.logger.info(b"\n".join(console.before.splitlines()[-200:]).decode("utf-8", errors="replace"))
+            raise RuntimeError("Failed to start FVP.")
+
+
+class OEFVPSerialTarget(OEFVPSSHTarget):
+    """
+    This target is intended for interaction with the target over one or more
+    telnet consoles using pexpect.
+    
+    This still depends on OEFVPSSHTarget so SSH commands can still be run on
+    the target, but note that this class does not inherently guarantee that
+    the SSH server is running prior to running test cases. Test cases that use
+    SSH should first validate that SSH is available, e.g. by depending on the
+    "linuxboot" test case in meta-arm.
+    """
+    DEFAULT_CONSOLE = "default"
+
+    def __init__(self, logger, target_ip, server_ip, bootlog=None, **kwargs):
+        super().__init__(logger, target_ip, server_ip, **kwargs)
+        self.terminals = {}
+
+        self.test_log_path = pathlib.Path(bootlog).parent
+        self.test_log_suffix = pathlib.Path(bootlog).suffix
+        self.bootlog = bootlog
+
+    async def _add_terminal(self, name, fvp_name):
+        logfile = self._create_logfile(name)
+        self.logger.info(f'Creating terminal {name} on {fvp_name}')
+        self.terminals[name] = \
+            await self.fvp.create_pexpect(fvp_name, logfile=logfile)
+
+    def _create_logfile(self, name):
+        fvp_log_file = f"{name}_log{self.test_log_suffix}"
+        fvp_log_path = pathlib.Path(self.test_log_path, fvp_log_file)
+        fvp_log_symlink = pathlib.Path(self.test_log_path, f"{name}_log")
+        try:
+            os.remove(fvp_log_symlink)
+        except:
+            pass
+        os.symlink(fvp_log_file, fvp_log_symlink)
+        return open(fvp_log_path, 'wb')
+
+    async def _after_start(self):
+        for name, console in self.config["consoles"].items():
+            await self._add_terminal(name, console)
+
+            # testimage.bbclass expects to see a log file at `bootlog`,
+            # so make a symlink to the 'default' log file
+            if name == 'default':
+                default_test_file = f"{name}_log{self.test_log_suffix}"
+                os.symlink(default_test_file, self.bootlog)
+
+    def _get_terminal(self, name):
+        return self.terminals[name]
+
+    def __getattr__(self, name):
+        """
+        Magic method which automatically exposes the whole pexpect API on the
+        target, with the first argument being the terminal name.
+
+        e.g. self.target.expect(self.target.DEFAULT_CONSOLE, "login\\:")
+        """
+        def call_pexpect(terminal, *args, **kwargs):
+            attr = getattr(self.terminals[terminal], name)
+            if callable(attr):
+                return attr(*args, **kwargs)
+            else:
+                return attr
+
+        return call_pexpect