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-rw-r--r--roms/u-boot/test/py/u_boot_console_sandbox.py108
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diff --git a/roms/u-boot/test/py/u_boot_console_sandbox.py b/roms/u-boot/test/py/u_boot_console_sandbox.py
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+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2015 Stephen Warren
+# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
+
+# Logic to interact with the sandbox port of U-Boot, running as a sub-process.
+
+import time
+from u_boot_spawn import Spawn
+from u_boot_console_base import ConsoleBase
+
+class ConsoleSandbox(ConsoleBase):
+ """Represents a connection to a sandbox U-Boot console, executed as a sub-
+ process."""
+
+ def __init__(self, log, config):
+ """Initialize a U-Boot console connection.
+
+ Args:
+ log: A multiplexed_log.Logfile instance.
+ config: A "configuration" object as defined in conftest.py.
+
+ Returns:
+ Nothing.
+ """
+
+ super(ConsoleSandbox, self).__init__(log, config, max_fifo_fill=1024)
+ self.sandbox_flags = []
+
+ def get_spawn(self):
+ """Connect to a fresh U-Boot instance.
+
+ A new sandbox process is created, so that U-Boot begins running from
+ scratch.
+
+ Args:
+ None.
+
+ Returns:
+ A u_boot_spawn.Spawn object that is attached to U-Boot.
+ """
+
+ bcfg = self.config.buildconfig
+ config_spl = bcfg.get('config_spl', 'n') == 'y'
+ fname = '/spl/u-boot-spl' if config_spl else '/u-boot'
+ print(fname)
+ cmd = []
+ if self.config.gdbserver:
+ cmd += ['gdbserver', self.config.gdbserver]
+ cmd += [
+ self.config.build_dir + fname,
+ '-v',
+ '-d',
+ self.config.dtb
+ ]
+ cmd += self.sandbox_flags
+ return Spawn(cmd, cwd=self.config.source_dir)
+
+ def restart_uboot_with_flags(self, flags):
+ """Run U-Boot with the given command-line flags
+
+ Args:
+ flags: List of flags to pass, each a string
+
+ Returns:
+ A u_boot_spawn.Spawn object that is attached to U-Boot.
+ """
+
+ try:
+ self.sandbox_flags = flags
+ return self.restart_uboot()
+ finally:
+ self.sandbox_flags = []
+
+ def kill(self, sig):
+ """Send a specific Unix signal to the sandbox process.
+
+ Args:
+ sig: The Unix signal to send to the process.
+
+ Returns:
+ Nothing.
+ """
+
+ self.log.action('kill %d' % sig)
+ self.p.kill(sig)
+
+ def validate_exited(self):
+ """Determine whether the sandbox process has exited.
+
+ If required, this function waits a reasonable time for the process to
+ exit.
+
+ Args:
+ None.
+
+ Returns:
+ Boolean indicating whether the process has exited.
+ """
+
+ p = self.p
+ self.p = None
+ for i in range(100):
+ ret = not p.isalive()
+ if ret:
+ break
+ time.sleep(0.1)
+ p.close()
+ return ret