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#!/usr/bin/env python3
#
# Functional test that boots a Linux kernel on a Raspberry Pi machine
# and checks the console
#
# Copyright (c) 2019 Philippe Mathieu-Daudé <f4bug@amsat.org>
#
# SPDX-License-Identifier: GPL-2.0-or-later
import os
from qemu_test import LinuxKernelTest, Asset
from qemu_test import exec_command_and_wait_for_pattern
from qemu_test.utils import gzip_uncompress
class ArmRaspi2Machine(LinuxKernelTest):
ASSET_KERNEL_20190215 = Asset(
('http://archive.raspberrypi.org/debian/'
'pool/main/r/raspberrypi-firmware/'
'raspberrypi-kernel_1.20190215-1_armhf.deb'),
'9f1759f7228113da24f5ee2aa6312946ec09a83e076aba9406c46ff776dfb291')
ASSET_INITRD = Asset(
('https://github.com/groeck/linux-build-test/raw/'
'2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/'
'arm/rootfs-armv7a.cpio.gz'),
'2c8dbdb16ea7af2dfbcbea96044dde639fb07d09fd3c4fb31f2027ef71e55ddd')
def do_test_arm_raspi2(self, uart_id):
"""
The kernel can be rebuilt using the kernel source referenced
and following the instructions on the on:
https://www.raspberrypi.org/documentation/linux/kernel/building.md
"""
serial_kernel_cmdline = {
0: 'earlycon=pl011,0x3f201000 console=ttyAMA0',
}
deb_path = self.ASSET_KERNEL_20190215.fetch()
kernel_path = self.extract_from_deb(deb_path, '/boot/kernel7.img')
dtb_path = self.extract_from_deb(deb_path, '/boot/bcm2709-rpi-2-b.dtb')
self.set_machine('raspi2b')
self.vm.set_console()
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
serial_kernel_cmdline[uart_id] +
' root=/dev/mmcblk0p2 rootwait ' +
'dwc_otg.fiq_fsm_enable=0')
self.vm.add_args('-kernel', kernel_path,
'-dtb', dtb_path,
'-append', kernel_command_line,
'-device', 'usb-kbd')
self.vm.launch()
console_pattern = 'Kernel command line: %s' % kernel_command_line
self.wait_for_console_pattern(console_pattern)
self.wait_for_console_pattern('Product: QEMU USB Keyboard')
def test_arm_raspi2_uart0(self):
self.do_test_arm_raspi2(0)
def test_arm_raspi2_initrd(self):
deb_path = self.ASSET_KERNEL_20190215.fetch()
kernel_path = self.extract_from_deb(deb_path, '/boot/kernel7.img')
dtb_path = self.extract_from_deb(deb_path, '/boot/bcm2709-rpi-2-b.dtb')
initrd_path_gz = self.ASSET_INITRD.fetch()
initrd_path = os.path.join(self.workdir, 'rootfs.cpio')
gzip_uncompress(initrd_path_gz, initrd_path)
self.set_machine('raspi2b')
self.vm.set_console()
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'earlycon=pl011,0x3f201000 console=ttyAMA0 '
'panic=-1 noreboot ' +
'dwc_otg.fiq_fsm_enable=0')
self.vm.add_args('-kernel', kernel_path,
'-dtb', dtb_path,
'-initrd', initrd_path,
'-append', kernel_command_line,
'-no-reboot')
self.vm.launch()
self.wait_for_console_pattern('Boot successful.')
exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo',
'BCM2835')
exec_command_and_wait_for_pattern(self, 'cat /proc/iomem',
'/soc/cprman@7e101000')
exec_command_and_wait_for_pattern(self, 'halt', 'reboot: System halted')
# Wait for VM to shut down gracefully
self.vm.wait()
if __name__ == '__main__':
LinuxKernelTest.main()
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