| #!/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() |
