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https://gitlab.com/qemu-project/qemu
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8d07a8aef6
POWER CPUs support hash and radix MMU modes. Linux supports running in either mode, but defaults to radix. To keep up testing of QEMU's hash MMU implementation, add some Linux hash boot tests. Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
# Test that Linux kernel boots on ppc powernv machines and check the console
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#
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# Copyright (c) 2018, 2020 Red Hat, Inc.
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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from avocado.utils import archive
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from avocado_qemu import QemuSystemTest
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from avocado_qemu import wait_for_console_pattern
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class powernvMachine(QemuSystemTest):
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timeout = 90
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KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 '
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panic_message = 'Kernel panic - not syncing'
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good_message = 'VFS: Cannot open root device'
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def do_test_linux_boot(self, command_line = KERNEL_COMMON_COMMAND_LINE):
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self.require_accelerator("tcg")
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kernel_url = ('https://archives.fedoraproject.org/pub/archive'
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'/fedora-secondary/releases/29/Everything/ppc64le/os'
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'/ppc/ppc64/vmlinuz')
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kernel_hash = '3fe04abfc852b66653b8c3c897a59a689270bc77'
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kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
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self.vm.set_console()
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self.vm.add_args('-kernel', kernel_path,
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'-append', command_line)
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self.vm.launch()
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def test_linux_boot(self):
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"""
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:avocado: tags=arch:ppc64
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:avocado: tags=machine:powernv
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:avocado: tags=accel:tcg
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"""
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self.do_test_linux_boot()
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console_pattern = 'VFS: Cannot open root device'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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def test_linux_smp_boot(self):
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"""
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:avocado: tags=arch:ppc64
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:avocado: tags=machine:powernv
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:avocado: tags=accel:tcg
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"""
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self.vm.add_args('-smp', '4')
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self.do_test_linux_boot()
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console_pattern = 'smp: Brought up 1 node, 4 CPUs'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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wait_for_console_pattern(self, self.good_message, self.panic_message)
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def test_linux_smp_hpt_boot(self):
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"""
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:avocado: tags=arch:ppc64
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:avocado: tags=machine:powernv
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:avocado: tags=accel:tcg
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"""
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self.vm.add_args('-smp', '4')
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self.do_test_linux_boot(self.KERNEL_COMMON_COMMAND_LINE +
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'disable_radix')
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console_pattern = 'smp: Brought up 1 node, 4 CPUs'
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wait_for_console_pattern(self, 'hash-mmu: Initializing hash mmu',
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self.panic_message)
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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wait_for_console_pattern(self, self.good_message, self.panic_message)
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def test_linux_smt_boot(self):
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"""
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:avocado: tags=arch:ppc64
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:avocado: tags=machine:powernv
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:avocado: tags=accel:tcg
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"""
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self.vm.add_args('-smp', '4,threads=4')
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self.do_test_linux_boot()
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console_pattern = 'CPU maps initialized for 4 threads per core'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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console_pattern = 'smp: Brought up 1 node, 4 CPUs'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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wait_for_console_pattern(self, self.good_message, self.panic_message)
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def test_linux_big_boot(self):
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"""
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:avocado: tags=arch:ppc64
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:avocado: tags=machine:powernv
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:avocado: tags=accel:tcg
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"""
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self.vm.add_args('-smp', '16,threads=4,cores=2,sockets=2')
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# powernv does not support NUMA
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self.do_test_linux_boot()
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console_pattern = 'CPU maps initialized for 4 threads per core'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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console_pattern = 'smp: Brought up 2 nodes, 16 CPUs'
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wait_for_console_pattern(self, console_pattern, self.panic_message)
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wait_for_console_pattern(self, self.good_message, self.panic_message)
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