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qemu/tests/functional/riscv64/test_boston.py

124 lines
3.9 KiB
Python

#!/usr/bin/env python3
#
# Boston board test for RISC-V P8700 processor by MIPS
#
# Copyright (c) 2025 MIPS
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
from qemu_test import QemuSystemTest, Asset
from qemu_test import wait_for_console_pattern
class RiscvBostonTest(QemuSystemTest):
"""
Test the boston-aia board with P8700 processor
"""
ASSET_FW_PAYLOAD = Asset(
'https://github.com/MIPS/linux-test-downloads/raw/main/p8700/fw_payload.bin',
'd6f4ae14d0c178c1d0bb38ddf64557536ca8602a588b220729a8aa17caa383aa')
ASSET_ROOTFS = Asset(
'https://github.com/MIPS/linux-test-downloads/raw/main/p8700/rootfs.ext2',
'f937e21b588f0d1d17d10a063053979686897bbbbc5e9617a5582f7c1f48e565')
def _boot_linux_test(self, smp_count):
"""Common setup and boot test for Linux on Boston board
Args:
smp_count: Number of CPUs to use for SMP
"""
self.set_machine('boston-aia')
fw_payload_path = self.ASSET_FW_PAYLOAD.fetch()
rootfs_path = self.ASSET_ROOTFS.fetch()
self.vm.add_args('-cpu', 'mips-p8700')
self.vm.add_args('-m', '2G')
self.vm.add_args('-smp', str(smp_count))
self.vm.add_args('-kernel', fw_payload_path)
self.vm.add_args('-drive', f'file={rootfs_path},format=raw,snapshot=on')
self.vm.set_console()
self.vm.launch()
# Wait for OpenSBI
wait_for_console_pattern(self, 'OpenSBI')
# Wait for Linux kernel boot
wait_for_console_pattern(self, 'Linux version')
wait_for_console_pattern(self, 'Machine model: MIPS P8700')
# Test e1000e network card functionality
wait_for_console_pattern(self, 'e1000e')
wait_for_console_pattern(self, 'Network Connection')
# Wait for boot to complete - system reaches login prompt
wait_for_console_pattern(self, 'Run /sbin/init as init process')
def test_boston_boot_linux_min_cpus(self):
"""
Test Linux kernel boot with minimum CPU count (2)
"""
self._boot_linux_test(smp_count=2)
def test_boston_boot_linux_7_cpus(self):
"""
Test Linux kernel boot with 7 CPUs
7 CPUs is a special configuration that tests odd CPU count
handling and ensures proper core distribution across clusters.
"""
self._boot_linux_test(smp_count=7)
def test_boston_boot_linux_35_cpus(self):
"""
Test Linux kernel boot with 35 CPUs
35 CPUs is a special configuration that tests a non-power-of-2
CPU count above 32, validating proper handling of larger
asymmetric SMP configurations.
"""
self._boot_linux_test(smp_count=35)
def test_boston_boot_linux_max_cpus(self):
"""
Test Linux kernel boot with maximum supported CPU count (64)
"""
self._boot_linux_test(smp_count=64)
def test_boston_invalid_cpu_count(self):
"""
Test that 65 CPUs is rejected as invalid (negative test case)
"""
from subprocess import run, PIPE
fw_payload_path = self.ASSET_FW_PAYLOAD.fetch()
rootfs_path = self.ASSET_ROOTFS.fetch()
cmd = [
self.qemu_bin,
'-M', 'boston-aia',
'-cpu', 'mips-p8700',
'-m', '2G',
'-smp', '65',
'-kernel', fw_payload_path,
'-drive', f'file={rootfs_path},format=raw,snapshot=on',
'-nographic'
]
# Run QEMU and expect it to fail immediately.
result = run(cmd, capture_output=True, text=True, timeout=5)
# Check that QEMU exited with error code 1
self.assertEqual(result.returncode, 1,
"QEMU should exit with code 1 for invalid SMP count")
# Check error message
self.assertIn('Invalid SMP CPUs 65', result.stderr,
"Error message should indicate invalid SMP CPU count")
if __name__ == '__main__':
QemuSystemTest.main()