1 # Copyright (c) 2015, Intel Corporation
4 # SPDX-License-Identifier: BSD-3-Clause
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions are met:
9 # * Redistributions of source code must retain the above copyright notice,
10 # this list of conditions and the following disclaimer.
11 # * Redistributions in binary form must reproduce the above copyright notice,
12 # this list of conditions and the following disclaimer in the documentation
13 # and/or other materials provided with the distribution.
14 # * Neither the name of Intel Corporation nor the names of its contributors
15 # may be used to endorse or promote products derived from this software
16 # without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
22 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 # This script runs only from the biosbits VM.
42 testsuite.add_test("ACPI _MAT (Multiple APIC Table Entry) under Processor objects", test_mat, submenu="ACPI Tests")
43 # testsuite.add_test("ACPI _PSS (Pstate) table conformance tests", test_pss, submenu="ACPI Tests")
44 # testsuite.add_test("ACPI _PSS (Pstate) runtime tests", test_pstates, submenu="ACPI Tests")
45 testsuite.add_test("ACPI DSDT (Differentiated System Description Table)", test_dsdt, submenu="ACPI Tests")
46 testsuite.add_test("ACPI FACP (Fixed ACPI Description Table)", test_facp, submenu="ACPI Tests")
47 testsuite.add_test("ACPI HPET (High Precision Event Timer Table)", test_hpet, submenu="ACPI Tests")
48 testsuite.add_test("ACPI MADT (Multiple APIC Description Table)", test_apic, submenu="ACPI Tests")
49 testsuite.add_test("ACPI MPST (Memory Power State Table)", test_mpst, submenu="ACPI Tests")
50 testsuite.add_test("ACPI RSDP (Root System Description Pointer Structure)", test_rsdp, submenu="ACPI Tests")
51 testsuite.add_test("ACPI XSDT (Extended System Description Table)", test_xsdt, submenu="ACPI Tests")
54 cpupaths = acpi.get_cpupaths()
55 apic = acpi.parse_apic()
56 procid_apicid = apic.procid_apicid
57 uid_x2apicid = apic.uid_x2apicid
58 for cpupath in cpupaths:
59 # Find the ProcId defined by the processor object
60 processor = acpi.evaluate(cpupath)
61 # Find the UID defined by the processor object's _UID method
62 uid = acpi.evaluate(cpupath + "._UID")
63 mat_buffer = acpi.evaluate(cpupath + "._MAT")
64 if mat_buffer is None:
66 # Process each _MAT subtable
67 mat = acpi._MAT(mat_buffer)
68 for index, subtable in enumerate(mat):
69 if subtable.subtype == acpi.MADT_TYPE_LOCAL_APIC:
70 if subtable.flags.bits.enabled:
71 testsuite.test("{} Processor declaration ProcId = _MAT ProcId".format(cpupath), processor.ProcId == subtable.proc_id)
72 testsuite.print_detail("{} ProcId ({:#02x}) != _MAT ProcId ({:#02x})".format(cpupath, processor.ProcId, subtable.proc_id))
73 testsuite.print_detail("Processor Declaration: {}".format(processor))
74 testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
75 if testsuite.test("{} with local APIC in _MAT has local APIC in MADT".format(cpupath), processor.ProcId in procid_apicid):
76 testsuite.test("{} ApicId derived using Processor declaration ProcId = _MAT ApicId".format(cpupath), procid_apicid[processor.ProcId] == subtable.apic_id)
77 testsuite.print_detail("{} ApicId derived from MADT ({:#02x}) != _MAT ApicId ({:#02x})".format(cpupath, procid_apicid[processor.ProcId], subtable.apic_id))
78 testsuite.print_detail("Processor Declaration: {}".format(processor))
79 testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
80 if subtable.subtype == acpi.MADT_TYPE_LOCAL_X2APIC:
81 if subtable.flags.bits.enabled:
82 if testsuite.test("{} with x2Apic in _MAT has _UID".format(cpupath), uid is not None):
83 testsuite.test("{}._UID = _MAT UID".format(cpupath), uid == subtable.uid)
84 testsuite.print_detail("{}._UID ({:#x}) != _MAT UID ({:#x})".format(cpupath, uid, subtable.uid))
85 testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
86 if testsuite.test("{} with _MAT x2Apic has x2Apic in MADT".format(cpupath), subtable.uid in uid_x2apicid):
87 testsuite.test("{} x2ApicId derived from MADT using UID = _MAT x2ApicId".format(cpupath), uid_x2apicid[subtable.uid] == subtable.x2apicid)
88 testsuite.print_detail("{} x2ApicId derived from MADT ({:#02x}) != _MAT x2ApicId ({:#02x})".format(cpupath, uid_x2apicid[subtable.uid], subtable.x2apicid))
89 testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable))
92 uniques = acpi.parse_cpu_method("_PSS")
93 # We special-case None here to avoid a double-failure for CPUs without a _PSS
94 testsuite.test("_PSS must be identical for all CPUs", len(uniques) <= 1 or (len(uniques) == 2 and None in uniques))
95 for pss, cpupaths in uniques.iteritems():
96 if not testsuite.test("_PSS must exist", pss is not None):
97 testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
98 testsuite.print_detail('No _PSS exists')
101 if not testsuite.test("_PSS must not be empty", pss.pstates):
102 testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
103 testsuite.print_detail('_PSS is empty')
106 testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
107 for index, pstate in enumerate(pss.pstates):
108 testsuite.print_detail("P[{}]: {}".format(index, pstate))
110 testsuite.test("_PSS must contain at most 16 Pstates", len(pss.pstates) <= 16)
111 testsuite.test("_PSS must have no duplicate Pstates", len(pss.pstates) == len(set(pss.pstates)))
113 frequencies = [p.core_frequency for p in pss.pstates]
114 testsuite.test("_PSS must list Pstates in descending order of frequency", frequencies == sorted(frequencies, reverse=True))
116 testsuite.test("_PSS must have Pstates with no duplicate frequencies", len(frequencies) == len(set(frequencies)))
118 dissipations = [p.power for p in pss.pstates]
119 testsuite.test("_PSS must list Pstates in descending order of power dissipation", dissipations == sorted(dissipations, reverse=True))
122 """Execute and verify frequency for each Pstate in the _PSS"""
123 IA32_PERF_CTL = 0x199
124 with bits.mwait.use_hint(), bits.preserve_msr(IA32_PERF_CTL):
125 cpupath_procid = acpi.find_procid()
126 cpupath_uid = acpi.find_uid()
127 apic = acpi.parse_apic()
128 procid_apicid = apic.procid_apicid
129 uid_x2apicid = apic.uid_x2apicid
130 def cpupath_apicid(cpupath):
131 if procid_apicid is not None:
132 procid = cpupath_procid.get(cpupath, None)
133 if procid is not None:
134 apicid = procid_apicid.get(procid, None)
135 if apicid is not None:
137 if uid_x2apicid is not None:
138 uid = cpupath_uid.get(cpupath, None)
140 apicid = uid_x2apicid.get(uid, None)
141 if apicid is not None:
143 return bits.cpus()[0]
145 bclk = testutil.adjust_to_nearest(bits.bclk(), 100.0/12) * 1000000
147 uniques = acpi.parse_cpu_method("_PSS")
148 for pss, cpupaths in uniques.iteritems():
149 if not testsuite.test("_PSS must exist", pss is not None):
150 testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
151 testsuite.print_detail('No _PSS exists')
154 for n, pstate in enumerate(pss.pstates):
155 for cpupath in cpupaths:
156 apicid = cpupath_apicid(cpupath)
158 print 'Failed to find apicid for cpupath {}'.format(cpupath)
160 bits.wrmsr(apicid, IA32_PERF_CTL, pstate.control)
162 # Detecting Turbo frequency requires at least 2 pstates
163 # since turbo frequency = max non-turbo frequency + 1
165 if len(pss.pstates) >= 2:
166 turbo = (n == 0 and pstate.core_frequency == (pss.pstates[1].core_frequency + 1))
168 # Needs to busywait, not sleep
170 while (time.time() - start < 2):
173 for duration in (0.1, 1.0):
174 frequency_data = bits.cpu_frequency(duration)
175 # Abort the test if no cpu frequency is not available
176 if frequency_data is None:
178 aperf = frequency_data[1]
179 aperf = testutil.adjust_to_nearest(aperf, bclk/2)
180 aperf = int(aperf / 1000000)
182 if aperf >= pstate.core_frequency:
185 if aperf == pstate.core_frequency:
189 testsuite.test("P{}: Turbo measured frequency {} >= expected {} MHz".format(n, aperf, pstate.core_frequency), aperf >= pstate.core_frequency)
191 testsuite.test("P{}: measured frequency {} MHz == expected {} MHz".format(n, aperf, pstate.core_frequency), aperf == pstate.core_frequency)
193 def test_psd_thread_scope():
194 uniques = acpi.parse_cpu_method("_PSD")
195 if not testsuite.test("_PSD (P-State Dependency) must exist for each processor", None not in uniques):
196 testsuite.print_detail(acpi.factor_commonprefix(uniques[None]))
197 testsuite.print_detail('No _PSD exists')
199 unique_num_dependencies = {}
200 unique_num_entries = {}
203 unique_coordination_type = {}
204 unique_num_processors = {}
205 for value, cpupaths in uniques.iteritems():
206 unique_num_dependencies.setdefault(len(value.dependencies), []).extend(cpupaths)
207 unique_num_entries.setdefault(value.dependencies[0].num_entries, []).extend(cpupaths)
208 unique_revision.setdefault(value.dependencies[0].revision, []).extend(cpupaths)
209 unique_domain.setdefault(value.dependencies[0].domain, []).extend(cpupaths)
210 unique_coordination_type.setdefault(value.dependencies[0].coordination_type, []).extend(cpupaths)
211 unique_num_processors.setdefault(value.dependencies[0].num_processors, []).extend(cpupaths)
213 for value, cpupaths in sorted(d.iteritems(), key=(lambda (k,v): v)):
214 testsuite.print_detail(acpi.factor_commonprefix(cpupaths))
215 testsuite.print_detail(fmt.format(value))
217 testsuite.test('Dependency count for each processor must be 1', unique_num_dependencies.keys() == [1])
218 detail(unique_num_dependencies, 'Dependency count for each processor = {} (Expected 1)')
219 testsuite.test('_PSD.num_entries must be 5', unique_num_entries.keys() == [5])
220 detail(unique_num_entries, 'num_entries = {} (Expected 5)')
221 testsuite.test('_PSD.revision must be 0', unique_revision.keys() == [0])
222 detail(unique_revision, 'revision = {}')
223 testsuite.test('_PSD.coordination_type must be 0xFE (HW_ALL)', unique_coordination_type.keys() == [0xfe])
224 detail(unique_coordination_type, 'coordination_type = {:#x} (Expected 0xFE HW_ALL)')
225 testsuite.test('_PSD.domain must be unique (thread-scoped) for each processor', len(unique_domain) == len(acpi.get_cpupaths()))
226 detail(unique_domain, 'domain = {:#x} (Expected a unique value for each processor)')
227 testsuite.test('_PSD.num_processors must be 1', unique_num_processors.keys() == [1])
228 detail(unique_num_processors, 'num_processors = {} (Expected 1)')
230 def test_table_checksum(data):
231 csum = sum(ord(c) for c in data) % 0x100
232 testsuite.test('ACPI table cumulative checksum must equal 0', csum == 0)
233 testsuite.print_detail("Cumulative checksum = {} (Expected 0)".format(csum))
236 data = acpi.get_table("APIC")
239 test_table_checksum(data)
240 apic = acpi.parse_apic()
243 data = acpi.get_table("DSDT")
246 test_table_checksum(data)
249 data = acpi.get_table("FACP")
252 test_table_checksum(data)
253 facp = acpi.parse_facp()
256 data = acpi.get_table("HPET")
259 test_table_checksum(data)
260 hpet = acpi.parse_hpet()
263 data = acpi.get_table("MPST")
266 test_table_checksum(data)
267 mpst = acpi.MPST(data)
270 data = acpi.get_table("RSD PTR ")
274 # Checksum the first 20 bytes per ACPI 1.0
275 csum = sum(ord(c) for c in data[:20]) % 0x100
276 testsuite.test('ACPI 1.0 table first 20 bytes cummulative checksum must equal 0', csum == 0)
277 testsuite.print_detail("Cummulative checksum = {} (Expected 0)".format(csum))
279 test_table_checksum(data)
280 rsdp = acpi.parse_rsdp()
283 data = acpi.get_table("XSDT")
286 test_table_checksum(data)
287 xsdt = acpi.parse_xsdt()