| 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 | |
| 8 | from qemu_test import LinuxKernelTest, Asset |
| 9 | from qemu_test import exec_command_and_wait_for_pattern |
| 10 | |
| 11 | |
| 12 | class Aarch64Raspi4Machine(LinuxKernelTest): |
| 13 | |
| 14 | """ |
| 15 | The kernel can be rebuilt using the kernel source referenced |
| 16 | and following the instructions on the on: |
| 17 | https://www.raspberrypi.org/documentation/linux/kernel/building.md |
| 18 | """ |
| 19 | ASSET_KERNEL_20190215 = Asset( |
| 20 | ('http://archive.raspberrypi.org/debian/' |
| 21 | 'pool/main/r/raspberrypi-firmware/' |
| 22 | 'raspberrypi-kernel_1.20230106-1_arm64.deb'), |
| 23 | '56d5713c8f6eee8a0d3f0e73600ec11391144fef318b08943e9abd94c0a9baf7') |
| 24 | |
| 25 | ASSET_INITRD = Asset( |
| 26 | ('https://github.com/groeck/linux-build-test/raw/' |
| 27 | '86b2be1384d41c8c388e63078a847f1e1c4cb1de/rootfs/' |
| 28 | 'arm64/rootfs.cpio.gz'), |
| 29 | '7c0b16d1853772f6f4c3ca63e789b3b9ff4936efac9c8a01fb0c98c05c7a7648') |
| 30 | |
| 31 | def test_arm_raspi4(self): |
| 32 | kernel_path = self.archive_extract(self.ASSET_KERNEL_20190215, |
| 33 | member='boot/kernel8.img') |
| 34 | dtb_path = self.archive_extract(self.ASSET_KERNEL_20190215, |
| 35 | member='boot/bcm2711-rpi-4-b.dtb') |
| 36 | |
| 37 | self.set_machine('raspi4b') |
| 38 | self.vm.set_console() |
| 39 | kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + |
| 40 | 'earlycon=pl011,mmio32,0xfe201000 ' + |
| 41 | 'console=ttyAMA0,115200 ' + |
| 42 | 'root=/dev/mmcblk1p2 rootwait ' + |
| 43 | 'dwc_otg.fiq_fsm_enable=0') |
| 44 | self.vm.add_args('-kernel', kernel_path, |
| 45 | '-dtb', dtb_path, |
| 46 | '-append', kernel_command_line) |
| 47 | # When PCI is supported we can add a USB controller: |
| 48 | # '-device', 'qemu-xhci,bus=pcie.1,id=xhci', |
| 49 | # '-device', 'usb-kbd,bus=xhci.0', |
| 50 | self.vm.launch() |
| 51 | console_pattern = 'Kernel command line: %s' % kernel_command_line |
| 52 | self.wait_for_console_pattern(console_pattern) |
| 53 | # When USB is enabled we can look for this |
| 54 | # console_pattern = 'Product: QEMU USB Keyboard' |
| 55 | # self.wait_for_console_pattern(console_pattern) |
| 56 | console_pattern = 'Waiting for root device' |
| 57 | self.wait_for_console_pattern(console_pattern) |
| 58 | |
| 59 | |
| 60 | def test_arm_raspi4_initrd(self): |
| 61 | kernel_path = self.archive_extract(self.ASSET_KERNEL_20190215, |
| 62 | member='boot/kernel8.img') |
| 63 | dtb_path = self.archive_extract(self.ASSET_KERNEL_20190215, |
| 64 | member='boot/bcm2711-rpi-4-b.dtb') |
| 65 | initrd_path = self.uncompress(self.ASSET_INITRD) |
| 66 | |
| 67 | self.set_machine('raspi4b') |
| 68 | self.vm.set_console() |
| 69 | kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + |
| 70 | 'earlycon=pl011,mmio32,0xfe201000 ' + |
| 71 | 'console=ttyAMA0,115200 ' + |
| 72 | 'panic=-1 noreboot ' + |
| 73 | 'dwc_otg.fiq_fsm_enable=0') |
| 74 | self.vm.add_args('-kernel', kernel_path, |
| 75 | '-dtb', dtb_path, |
| 76 | '-initrd', initrd_path, |
| 77 | '-append', kernel_command_line, |
| 78 | '-no-reboot') |
| 79 | # When PCI is supported we can add a USB controller: |
| 80 | # '-device', 'qemu-xhci,bus=pcie.1,id=xhci', |
| 81 | # '-device', 'usb-kbd,bus=xhci.0', |
| 82 | self.vm.launch() |
| 83 | self.wait_for_console_pattern('Boot successful.') |
| 84 | |
| 85 | exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo', |
| 86 | 'BCM2835') |
| 87 | exec_command_and_wait_for_pattern(self, 'cat /proc/iomem', |
| 88 | 'cprman@7e101000') |
| 89 | |
| 90 | # We used to get the RAM size wrong; guard against a regression |
| 91 | # (see git history for details). |
| 92 | mem_total_kb = None |
| 93 | cmd_output = exec_command_and_wait_for_pattern( |
| 94 | self, 'cat /proc/meminfo', 'MemAvailable') |
| 95 | for line in cmd_output.decode('ascii', errors='replace').splitlines(): |
| 96 | if line.startswith('MemTotal:'): |
| 97 | mem_total_kb = int(line.split()[1]) |
| 98 | break |
| 99 | self.assertIsNotNone(mem_total_kb, 'MemTotal line not found') |
| 100 | self.assertGreater(mem_total_kb, 1900000, |
| 101 | 'guest RAM (%d kB) is far below the ~1.9 GiB ' |
| 102 | 'expected for a 2 GiB raspi4b -- the second ' |
| 103 | 'memory node above the 1 GiB peripheral hole ' |
| 104 | 'is probably not being added' % mem_total_kb) |
| 105 | |
| 106 | exec_command_and_wait_for_pattern(self, 'halt', 'reboot: System halted') |
| 107 | # TODO: Raspberry Pi4 doesn't shut down properly with recent kernels |
| 108 | # Wait for VM to shut down gracefully |
| 109 | #self.vm.wait() |
| 110 | |
| 111 | |
| 112 | if __name__ == '__main__': |
| 113 | LinuxKernelTest.main() |