mirror of https://github.com/xemu-project/xemu.git
106 lines
4.8 KiB
Python
106 lines
4.8 KiB
Python
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#!/usr/bin/env python
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#
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# Basic validation of x86 versioned CPU models and CPU model aliases
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#
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# Copyright (c) 2019 Red Hat Inc
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#
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# Author:
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# Eduardo Habkost <ehabkost@redhat.com>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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import avocado_qemu
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import re
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class X86CPUModelAliases(avocado_qemu.Test):
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"""
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Validation of PC CPU model versions and CPU model aliases
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:avocado: tags=arch:x86_64
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"""
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def validate_aliases(self, cpus):
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for c in cpus.values():
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if 'alias-of' in c:
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# all aliases must point to a valid CPU model name:
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self.assertIn(c['alias-of'], cpus,
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'%s.alias-of (%s) is not a valid CPU model name' % (c['name'], c['alias-of']))
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# aliases must not point to aliases
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self.assertNotIn('alias-of', cpus[c['alias-of']],
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'%s.alias-of (%s) points to another alias' % (c['name'], c['alias-of']))
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# aliases must not be static
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self.assertFalse(c['static'])
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def validate_variant_aliases(self, cpus):
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# -noTSX, -IBRS and -IBPB variants of CPU models are special:
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# they shouldn't have their own versions:
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self.assertNotIn("Haswell-noTSX-v1", cpus,
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"Haswell-noTSX shouldn't be versioned")
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self.assertNotIn("Broadwell-noTSX-v1", cpus,
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"Broadwell-noTSX shouldn't be versioned")
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self.assertNotIn("Nehalem-IBRS-v1", cpus,
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"Nehalem-IBRS shouldn't be versioned")
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self.assertNotIn("Westmere-IBRS-v1", cpus,
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"Westmere-IBRS shouldn't be versioned")
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self.assertNotIn("SandyBridge-IBRS-v1", cpus,
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"SandyBridge-IBRS shouldn't be versioned")
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self.assertNotIn("IvyBridge-IBRS-v1", cpus,
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"IvyBridge-IBRS shouldn't be versioned")
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self.assertNotIn("Haswell-noTSX-IBRS-v1", cpus,
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"Haswell-noTSX-IBRS shouldn't be versioned")
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self.assertNotIn("Haswell-IBRS-v1", cpus,
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"Haswell-IBRS shouldn't be versioned")
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self.assertNotIn("Broadwell-noTSX-IBRS-v1", cpus,
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"Broadwell-noTSX-IBRS shouldn't be versioned")
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self.assertNotIn("Broadwell-IBRS-v1", cpus,
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"Broadwell-IBRS shouldn't be versioned")
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self.assertNotIn("Skylake-Client-IBRS-v1", cpus,
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"Skylake-Client-IBRS shouldn't be versioned")
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self.assertNotIn("Skylake-Server-IBRS-v1", cpus,
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"Skylake-Server-IBRS shouldn't be versioned")
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self.assertNotIn("EPYC-IBPB-v1", cpus,
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"EPYC-IBPB shouldn't be versioned")
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def test_4_0_alias_compatibility(self):
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"""Check if pc-*-4.0 unversioned CPU model won't be reported as aliases"""
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# pc-*-4.0 won't expose non-versioned CPU models as aliases
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# We do this to help management software to keep compatibility
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# with older QEMU versions that didn't have the versioned CPU model
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self.vm.add_args('-S')
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self.vm.set_machine('pc-i440fx-4.0')
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self.vm.launch()
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cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions'))
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self.assertFalse(cpus['Cascadelake-Server']['static'],
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'unversioned Cascadelake-Server CPU model must not be static')
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self.assertNotIn('alias-of', cpus['Cascadelake-Server'],
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'Cascadelake-Server must not be an alias')
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self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'],
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'Cascadelake-Server-v1 must not be an alias')
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self.assertFalse(cpus['qemu64']['static'],
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'unversioned qemu64 CPU model must not be static')
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self.assertNotIn('alias-of', cpus['qemu64'],
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'qemu64 must not be an alias')
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self.assertNotIn('alias-of', cpus['qemu64-v1'],
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'qemu64-v1 must not be an alias')
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self.validate_variant_aliases(cpus)
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# On pc-*-4.0, no CPU model should be reported as an alias:
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for name,c in cpus.items():
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self.assertNotIn('alias-of', c, "%s shouldn't be an alias" % (name))
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