]> git.sur5r.net Git - u-boot/blob - test/py/u_boot_console_sandbox.py
Merge branch 'master' of http://git.denx.de/u-boot-sunxi
[u-boot] / test / py / u_boot_console_sandbox.py
1 # Copyright (c) 2015 Stephen Warren
2 # Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
3 #
4 # SPDX-License-Identifier: GPL-2.0
5
6 # Logic to interact with the sandbox port of U-Boot, running as a sub-process.
7
8 import time
9 from u_boot_spawn import Spawn
10 from u_boot_console_base import ConsoleBase
11
12 class ConsoleSandbox(ConsoleBase):
13     """Represents a connection to a sandbox U-Boot console, executed as a sub-
14     process."""
15
16     def __init__(self, log, config):
17         """Initialize a U-Boot console connection.
18
19         Args:
20             log: A multiplexed_log.Logfile instance.
21             config: A "configuration" object as defined in conftest.py.
22
23         Returns:
24             Nothing.
25         """
26
27         super(ConsoleSandbox, self).__init__(log, config, max_fifo_fill=1024)
28
29     def get_spawn(self):
30         """Connect to a fresh U-Boot instance.
31
32         A new sandbox process is created, so that U-Boot begins running from
33         scratch.
34
35         Args:
36             None.
37
38         Returns:
39             A u_boot_spawn.Spawn object that is attached to U-Boot.
40         """
41
42         bcfg = self.config.buildconfig
43         config_spl = bcfg.get('config_spl', 'n') == 'y'
44         fname = '/spl/u-boot-spl' if config_spl else '/u-boot'
45         print fname
46         cmd = []
47         if self.config.gdbserver:
48             cmd += ['gdbserver', self.config.gdbserver]
49         cmd += [
50             self.config.build_dir + fname,
51             '-v',
52             '-d',
53             self.config.dtb
54         ]
55         return Spawn(cmd, cwd=self.config.source_dir)
56
57     def kill(self, sig):
58         """Send a specific Unix signal to the sandbox process.
59
60         Args:
61             sig: The Unix signal to send to the process.
62
63         Returns:
64             Nothing.
65         """
66
67         self.log.action('kill %d' % sig)
68         self.p.kill(sig)
69
70     def validate_exited(self):
71         """Determine whether the sandbox process has exited.
72
73         If required, this function waits a reasonable time for the process to
74         exit.
75
76         Args:
77             None.
78
79         Returns:
80             Boolean indicating whether the process has exited.
81         """
82
83         p = self.p
84         self.p = None
85         for i in xrange(100):
86             ret = not p.isalive()
87             if ret:
88                 break
89             time.sleep(0.1)
90         p.close()
91         return ret