99 lines
4.2 KiB
Python
99 lines
4.2 KiB
Python
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# Copyright (C) 2014 Intel Corporation
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#
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# Released under the MIT license (see COPYING.MIT)
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# This module adds support to testimage.bbclass to deploy images and run
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# tests on a BeagleBone (original "white" or Black models). The device must
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# be set up as per README.hardware and the master image should be deployed
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# onto the card so that it boots into it by default. For booting into the
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# image under test we interact with u-boot over serial, so for the
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# BeagleBone Black you will need an additional TTL serial cable since a
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# serial interface isn't automatically provided over the USB connection as
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# it is on the original BeagleBone ("white") version. The separate ext3
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# partition that will contain the image to be tested must be labelled
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# "testrootfs" so that the deployment code below can find it.
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#
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# NOTE: for the BeagleBone "white" (original version) you may need to use
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# a script which handles the serial device disappearing on power down, such
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# as scripts/contrib/serdevtry in OE-Core.
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import os
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import bb
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import time
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import subprocess
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import sys
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import pexpect
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import oeqa.utils.sshcontrol as sshcontrol
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from oeqa.controllers.masterimage import MasterImageHardwareTarget
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class BeagleBoneTarget(MasterImageHardwareTarget):
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dtbs = {'uImage-am335x-bone.dtb': 'am335x-bone.dtb', 'uImage-am335x-boneblack.dtb': 'am335x-boneblack.dtb'}
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@classmethod
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def get_extra_files(self):
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return list(self.dtbs.keys())
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def __init__(self, d):
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super(BeagleBoneTarget, self).__init__(d)
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self.image_fstype = self.get_image_fstype(d)
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self.deploy_cmds = [
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'mkdir -p /mnt/testrootfs',
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'mount -L testrootfs /mnt/testrootfs',
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'rm -rf /mnt/testrootfs/*',
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'tar xvf ~/test-rootfs.%s -C /mnt/testrootfs' % self.image_fstype,
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'[ -e /mnt/testrootfs/boot/uImage ] || [ -L /mnt/testrootfs/boot/uImage ] || cp ~/test-kernel /mnt/testrootfs/boot/uImage',
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]
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for _, dtbfn in self.dtbs.iteritems():
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# Kernel and dtb files may not be in the image, so copy them if not
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self.deploy_cmds.append('[ -e /mnt/testrootfs/boot/{0} ] || cp ~/{0} /mnt/testrootfs/boot/'.format(dtbfn))
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if not self.serialcontrol_cmd:
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bb.fatal("This TEST_TARGET needs a TEST_SERIALCONTROL_CMD defined in local.conf.")
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def _deploy(self):
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self.master.run("umount /boot; umount /mnt/testrootfs;")
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self.master.ignore_status = False
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# Kernel and dtb files may not be in the image, so copy them just in case
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self.master.copy_to(self.kernel, "~/test-kernel")
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kernelpath = os.path.dirname(self.kernel)
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for dtborig, dtbfn in self.dtbs.iteritems():
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dtbfile = os.path.join(kernelpath, dtborig)
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if os.path.exists(dtbfile):
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self.master.copy_to(dtbfile, "~/%s" % dtbfn)
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self.master.copy_to(self.rootfs, "~/test-rootfs.%s" % self.image_fstype)
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for cmd in self.deploy_cmds:
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self.master.run(cmd)
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def _start(self, params=None):
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self.power_cycle(self.master)
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try:
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serialconn = pexpect.spawn(self.serialcontrol_cmd, env=self.origenv, logfile=sys.stdout)
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# We'd wait for "U-Boot" here but sometimes we connect too late on BeagleBone white to see it
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serialconn.expect("NAND:")
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serialconn.expect("MMC:")
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serialconn.sendline("a")
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serialconn.expect("U-Boot#")
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serialconn.sendline("setenv bootpart 0:3")
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serialconn.expect("U-Boot#")
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serialconn.sendline("setenv mmcroot /dev/mmcblk0p3 ro")
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serialconn.expect("U-Boot#")
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serialconn.sendline("boot")
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serialconn.expect("login:", timeout=120)
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serialconn.close()
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except pexpect.ExceptionPexpect as e:
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bb.fatal('Serial interaction failed: %s' % str(e))
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def _wait_until_booted(self):
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try:
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serialconn = pexpect.spawn(self.serialcontrol_cmd, env=self.origenv, logfile=sys.stdout)
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serialconn.expect("login:", timeout=120)
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serialconn.close()
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except pexpect.ExceptionPexpect as e:
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bb.fatal('Serial interaction failed: %s' % str(e))
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