1#!/usr/bin/env python3 2# 3# Functional test that boots a Linux kernel on a Raspberry Pi machine 4# and checks the console 5# 6# SPDX-License-Identifier: GPL-2.0-or-later 7 8from qemu_test import LinuxKernelTest, Asset 9from qemu_test import exec_command_and_wait_for_pattern 10from qemu_test.utils import gzip_uncompress 11 12 13class Aarch64Raspi4Machine(LinuxKernelTest): 14 15 """ 16 The kernel can be rebuilt using the kernel source referenced 17 and following the instructions on the on: 18 https://www.raspberrypi.org/documentation/linux/kernel/building.md 19 """ 20 ASSET_KERNEL_20190215 = Asset( 21 ('http://archive.raspberrypi.org/debian/' 22 'pool/main/r/raspberrypi-firmware/' 23 'raspberrypi-kernel_1.20230106-1_arm64.deb'), 24 '56d5713c8f6eee8a0d3f0e73600ec11391144fef318b08943e9abd94c0a9baf7') 25 26 ASSET_INITRD = Asset( 27 ('https://github.com/groeck/linux-build-test/raw/' 28 '86b2be1384d41c8c388e63078a847f1e1c4cb1de/rootfs/' 29 'arm64/rootfs.cpio.gz'), 30 '7c0b16d1853772f6f4c3ca63e789b3b9ff4936efac9c8a01fb0c98c05c7a7648') 31 32 def test_arm_raspi4(self): 33 kernel_path = self.archive_extract(self.ASSET_KERNEL_20190215, 34 member='boot/kernel8.img') 35 dtb_path = self.archive_extract(self.ASSET_KERNEL_20190215, 36 member='boot/bcm2711-rpi-4-b.dtb') 37 38 self.set_machine('raspi4b') 39 self.vm.set_console() 40 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 41 'earlycon=pl011,mmio32,0xfe201000 ' + 42 'console=ttyAMA0,115200 ' + 43 'root=/dev/mmcblk1p2 rootwait ' + 44 'dwc_otg.fiq_fsm_enable=0') 45 self.vm.add_args('-kernel', kernel_path, 46 '-dtb', dtb_path, 47 '-append', kernel_command_line) 48 # When PCI is supported we can add a USB controller: 49 # '-device', 'qemu-xhci,bus=pcie.1,id=xhci', 50 # '-device', 'usb-kbd,bus=xhci.0', 51 self.vm.launch() 52 console_pattern = 'Kernel command line: %s' % kernel_command_line 53 self.wait_for_console_pattern(console_pattern) 54 # When USB is enabled we can look for this 55 # console_pattern = 'Product: QEMU USB Keyboard' 56 # self.wait_for_console_pattern(console_pattern) 57 console_pattern = 'Waiting for root device' 58 self.wait_for_console_pattern(console_pattern) 59 60 61 def test_arm_raspi4_initrd(self): 62 kernel_path = self.archive_extract(self.ASSET_KERNEL_20190215, 63 member='boot/kernel8.img') 64 dtb_path = self.archive_extract(self.ASSET_KERNEL_20190215, 65 member='boot/bcm2711-rpi-4-b.dtb') 66 initrd_path_gz = self.ASSET_INITRD.fetch() 67 initrd_path = self.scratch_file('rootfs.cpio') 68 gzip_uncompress(initrd_path_gz, initrd_path) 69 70 self.set_machine('raspi4b') 71 self.vm.set_console() 72 kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + 73 'earlycon=pl011,mmio32,0xfe201000 ' + 74 'console=ttyAMA0,115200 ' + 75 'panic=-1 noreboot ' + 76 'dwc_otg.fiq_fsm_enable=0') 77 self.vm.add_args('-kernel', kernel_path, 78 '-dtb', dtb_path, 79 '-initrd', initrd_path, 80 '-append', kernel_command_line, 81 '-no-reboot') 82 # When PCI is supported we can add a USB controller: 83 # '-device', 'qemu-xhci,bus=pcie.1,id=xhci', 84 # '-device', 'usb-kbd,bus=xhci.0', 85 self.vm.launch() 86 self.wait_for_console_pattern('Boot successful.') 87 88 exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo', 89 'BCM2835') 90 exec_command_and_wait_for_pattern(self, 'cat /proc/iomem', 91 'cprman@7e101000') 92 exec_command_and_wait_for_pattern(self, 'halt', 'reboot: System halted') 93 # TODO: Raspberry Pi4 doesn't shut down properly with recent kernels 94 # Wait for VM to shut down gracefully 95 #self.vm.wait() 96 97 98if __name__ == '__main__': 99 LinuxKernelTest.main() 100