LXR qemu/tests/avocado/machine_arm

   1# Functional test that boots a Linux kernel and checks the console
   2#
   3# Copyright (c) 2020 Red Hat, Inc.
   4#
   5# Author:
   6#  Thomas Huth <thuth@redhat.com>
   7#
   8# This work is licensed under the terms of the GNU GPL, version 2 or
   9# later.  See the COPYING file in the top-level directory.
  10
  11import os
  12import logging
  13
  14from avocado import skipUnless
  15from avocado_qemu import QemuSystemTest
  16from avocado_qemu import wait_for_console_pattern
  17
  18
  19NUMPY_AVAILABLE = True
  20try:
  21    import numpy as np
  22except ImportError:
  23    NUMPY_AVAILABLE = False
  24
  25CV2_AVAILABLE = True
  26try:
  27    import cv2
  28except ImportError:
  29    CV2_AVAILABLE = False
  30
  31
  32class IntegratorMachine(QemuSystemTest):
  33
  34    timeout = 90
  35
  36    def boot_integratorcp(self):
  37        kernel_url = ('https://github.com/zayac/qemu-arm/raw/master/'
  38                      'arm-test/kernel/zImage.integrator')
  39        kernel_hash = '0d7adba893c503267c946a3cbdc63b4b54f25468'
  40        kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
  41
  42        initrd_url = ('https://github.com/zayac/qemu-arm/raw/master/'
  43                      'arm-test/kernel/arm_root.img')
  44        initrd_hash = 'b51e4154285bf784e017a37586428332d8c7bd8b'
  45        initrd_path = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
  46
  47        self.vm.set_console()
  48        self.vm.add_args('-kernel', kernel_path,
  49                         '-initrd', initrd_path,
  50                         '-append', 'printk.time=0 console=ttyAMA0')
  51        self.vm.launch()
  52
  53    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
  54    def test_integratorcp_console(self):
  55        """
  56        Boots the Linux kernel and checks that the console is operational
  57        :avocado: tags=arch:arm
  58        :avocado: tags=machine:integratorcp
  59        :avocado: tags=device:pl011
  60        """
  61        self.boot_integratorcp()
  62        wait_for_console_pattern(self, 'Log in as root')
  63
  64    @skipUnless(NUMPY_AVAILABLE, 'Python NumPy not installed')
  65    @skipUnless(CV2_AVAILABLE, 'Python OpenCV not installed')
  66    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
  67    def test_framebuffer_tux_logo(self):
  68        """
  69        Boot Linux and verify the Tux logo is displayed on the framebuffer.
  70        :avocado: tags=arch:arm
  71        :avocado: tags=machine:integratorcp
  72        :avocado: tags=device:pl110
  73        :avocado: tags=device:framebuffer
  74        """
  75        screendump_path = os.path.join(self.workdir, "screendump.pbm")
  76        tuxlogo_url = ('https://github.com/torvalds/linux/raw/v2.6.12/'
  77                       'drivers/video/logo/logo_linux_vga16.ppm')
  78        tuxlogo_hash = '3991c2ddbd1ddaecda7601f8aafbcf5b02dc86af'
  79        tuxlogo_path = self.fetch_asset(tuxlogo_url, asset_hash=tuxlogo_hash)
  80
  81        self.boot_integratorcp()
  82        framebuffer_ready = 'Console: switching to colour frame buffer device'
  83        wait_for_console_pattern(self, framebuffer_ready)
  84        self.vm.command('human-monitor-command', command_line='stop')
  85        self.vm.command('human-monitor-command',
  86                        command_line='screendump %s' % screendump_path)
  87        logger = logging.getLogger('framebuffer')
  88
  89        cpu_count = 1
  90        match_threshold = 0.92
  91        screendump_bgr = cv2.imread(screendump_path)
  92        screendump_gray = cv2.cvtColor(screendump_bgr, cv2.COLOR_BGR2GRAY)
  93        result = cv2.matchTemplate(screendump_gray, cv2.imread(tuxlogo_path, 0),
  94                                   cv2.TM_CCOEFF_NORMED)
  95        loc = np.where(result >= match_threshold)
  96        tux_count = 0
  97        for tux_count, pt in enumerate(zip(*loc[::-1]), start=1):
  98            logger.debug('found Tux at position [x, y] = %s', pt)
  99        self.assertGreaterEqual(tux_count, cpu_count)
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