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