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Tsirkin" , Marcel Apfelbaum , Thomas Huth , Laurent Vivier , Paolo Bonzini Cc: Ani Sinha , imammedo@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v3 3/3] tests/qtest/x86: check for availability of older cpu models before running tests Date: Thu, 6 Jun 2024 10:14:19 +0530 Message-ID: <20240606044419.8806-4-anisinha@redhat.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240606044419.8806-1-anisinha@redhat.com> References: <20240606044419.8806-1-anisinha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=anisinha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1717649161457100007 Content-Type: text/plain; charset="utf-8" It is better to check if some older cpu models like 486, athlon, pentium, penryn, phenom, core2duo etc are available before running their correspondi= ng tests. Some downstream distributions may no longer support these older cpu models. Signature of add_feature_test() has been modified to return void as FeatureTestArgs* was not used by the caller. One minor correction. Replaced 'phenom' with '486' in the test 'x86/cpuid/auto-level/phenom/arat' matching the cpu used. CC: thuth@redhat.com CC: imammedo@redhat.com Signed-off-by: Ani Sinha Reviewed-by: Daniel P. Berrang=C3=A9 --- tests/qtest/test-x86-cpuid-compat.c | 170 ++++++++++++++++++---------- 1 file changed, 108 insertions(+), 62 deletions(-) changelog: v2: reworked as per suggestion from danpb. v3: reworked as_feature_test() same way as add_cpuid_test() diff --git a/tests/qtest/test-x86-cpuid-compat.c b/tests/qtest/test-x86-cpu= id-compat.c index 6a39454fce..d5307f39e7 100644 --- a/tests/qtest/test-x86-cpuid-compat.c +++ b/tests/qtest/test-x86-cpuid-compat.c @@ -67,10 +67,29 @@ static void test_cpuid_prop(const void *data) g_free(path); } =20 -static void add_cpuid_test(const char *name, const char *cmdline, +static void add_cpuid_test(const char *name, const char *cpu, + const char *cpufeat, const char *machine, const char *property, int64_t expected_value) { CpuidTestArgs *args =3D g_new0(CpuidTestArgs, 1); + char *cmdline; + char *save; + + if (!qtest_has_cpu(cpu)) { + return; + } + cmdline =3D g_strdup_printf("-cpu %s", cpu); + + if (cpufeat) { + save =3D cmdline; + cmdline =3D g_strdup_printf("%s,%s", cmdline, cpufeat); + g_free(save); + } + if (machine) { + save =3D cmdline; + cmdline =3D g_strdup_printf("-machine %s %s", machine, cmdline); + g_free(save); + } args->cmdline =3D cmdline; args->property =3D property; args->expected_value =3D expected_value; @@ -149,12 +168,24 @@ static void test_feature_flag(const void *data) * either "feature-words" or "filtered-features", when running QEMU * using cmdline */ -static FeatureTestArgs *add_feature_test(const char *name, const char *cmd= line, - uint32_t eax, uint32_t ecx, - const char *reg, int bitnr, - bool expected_value) +static void add_feature_test(const char *name, const char *cpu, + const char *cpufeat, uint32_t eax, + uint32_t ecx, const char *reg, + int bitnr, bool expected_value) { FeatureTestArgs *args =3D g_new0(FeatureTestArgs, 1); + char *cmdline; + + if (!qtest_has_cpu(cpu)) { + return; + } + + if (cpufeat) { + cmdline =3D g_strdup_printf("-cpu %s,%s", cpu, cpufeat); + } else { + cmdline =3D g_strdup_printf("-cpu %s", cpu); + } + args->cmdline =3D cmdline; args->in_eax =3D eax; args->in_ecx =3D ecx; @@ -162,13 +193,17 @@ static FeatureTestArgs *add_feature_test(const char *= name, const char *cmdline, args->bitnr =3D bitnr; args->expected_value =3D expected_value; qtest_add_data_func(name, args, test_feature_flag); - return args; + return; } =20 static void test_plus_minus_subprocess(void) { char *path; =20 + if (!qtest_has_cpu("pentium")) { + return; + } + /* Rules: * 1)"-foo" overrides "+foo" * 2) "[+-]foo" overrides "foo=3D..." @@ -198,6 +233,10 @@ static void test_plus_minus_subprocess(void) =20 static void test_plus_minus(void) { + if (!qtest_has_cpu("pentium")) { + return; + } + g_test_trap_subprocess("/x86/cpuid/parsing-plus-minus/subprocess", 0, = 0); g_test_trap_assert_passed(); g_test_trap_assert_stderr("*Ambiguous CPU model string. " @@ -217,99 +256,105 @@ int main(int argc, char **argv) =20 /* Original level values for CPU models: */ add_cpuid_test("x86/cpuid/phenom/level", - "-cpu phenom", "level", 5); + "phenom", NULL, NULL, "level", 5); add_cpuid_test("x86/cpuid/Conroe/level", - "-cpu Conroe", "level", 10); + "Conroe", NULL, NULL, "level", 10); add_cpuid_test("x86/cpuid/SandyBridge/level", - "-cpu SandyBridge", "level", 0xd); + "SandyBridge", NULL, NULL, "level", 0xd); add_cpuid_test("x86/cpuid/486/xlevel", - "-cpu 486", "xlevel", 0); + "486", NULL, NULL, "xlevel", 0); add_cpuid_test("x86/cpuid/core2duo/xlevel", - "-cpu core2duo", "xlevel", 0x80000008); + "core2duo", NULL, NULL, "xlevel", 0x80000008); add_cpuid_test("x86/cpuid/phenom/xlevel", - "-cpu phenom", "xlevel", 0x8000001A); + "phenom", NULL, NULL, "xlevel", 0x8000001A); add_cpuid_test("x86/cpuid/athlon/xlevel", - "-cpu athlon", "xlevel", 0x80000008); + "athlon", NULL, NULL, "xlevel", 0x80000008); =20 /* If level is not large enough, it should increase automatically: */ /* CPUID[6].EAX: */ - add_cpuid_test("x86/cpuid/auto-level/phenom/arat", - "-cpu 486,arat=3Don", "level", 6); + add_cpuid_test("x86/cpuid/auto-level/486/arat", + "486", "arat=3Don", NULL, "level", 6); /* CPUID[EAX=3D7,ECX=3D0].EBX: */ add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase", - "-cpu phenom,fsgsbase=3Don", "level", 7); + "phenom", "fsgsbase=3Don", NULL, "level", 7); /* CPUID[EAX=3D7,ECX=3D0].ECX: */ add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi", - "-cpu phenom,avx512vbmi=3Don", "level", 7); + "phenom", "avx512vbmi=3Don", NULL, "level", 7); /* CPUID[EAX=3D0xd,ECX=3D1].EAX: */ add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt", - "-cpu phenom,xsaveopt=3Don", "level", 0xd); + "phenom", "xsaveopt=3Don", NULL, "level", 0xd); /* CPUID[8000_0001].EDX: */ add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow", - "-cpu 486,3dnow=3Don", "xlevel", 0x80000001); + "486", "3dnow=3Don", NULL, "xlevel", 0x80000001); /* CPUID[8000_0001].ECX: */ add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a", - "-cpu 486,sse4a=3Don", "xlevel", 0x80000001); + "486", "sse4a=3Don", NULL, "xlevel", 0x80000001); /* CPUID[8000_0007].EDX: */ add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc", - "-cpu 486,invtsc=3Don", "xlevel", 0x80000007); + "486", "invtsc=3Don", NULL, "xlevel", 0x80000007); /* CPUID[8000_000A].EDX: */ add_cpuid_test("x86/cpuid/auto-xlevel/486/npt", - "-cpu 486,svm=3Don,npt=3Don", "xlevel", 0x8000000A); + "486", "svm=3Don,npt=3Don", NULL, "xlevel", 0x8000000A); /* CPUID[C000_0001].EDX: */ add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore", - "-cpu phenom,xstore=3Don", "xlevel2", 0xC0000001); + "phenom", "xstore=3Don", NULL, "xlevel2", 0xC0000001); /* SVM needs CPUID[0x8000000A] */ add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm", - "-cpu athlon,svm=3Don", "xlevel", 0x8000000A); + "athlon", "svm=3Don", NULL, "xlevel", 0x8000000A); =20 =20 /* If level is already large enough, it shouldn't change: */ add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple", - "-cpu SandyBridge,arat=3Don,fsgsbase=3Don,avx512vbmi=3D= on", - "level", 0xd); + "SandyBridge", "arat=3Don,fsgsbase=3Don,avx512vbmi=3Don= ", + NULL, "level", 0xd); /* If level is explicitly set, it shouldn't change: */ add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF", - "-cpu 486,level=3D0xF,arat=3Don,fsgsbase=3Don,avx512vbm= i=3Don,xsaveopt=3Don", - "level", 0xF); + "486", + "level=3D0xF,arat=3Don,fsgsbase=3Don,avx512vbmi=3Don,xs= aveopt=3Don", + NULL, "level", 0xF); add_cpuid_test("x86/cpuid/auto-level/486/fixed/2", - "-cpu 486,level=3D2,arat=3Don,fsgsbase=3Don,avx512vbmi= =3Don,xsaveopt=3Don", - "level", 2); + "486", + "level=3D2,arat=3Don,fsgsbase=3Don,avx512vbmi=3Don,xsav= eopt=3Don", + NULL, "level", 2); add_cpuid_test("x86/cpuid/auto-level/486/fixed/0", - "-cpu 486,level=3D0,arat=3Don,fsgsbase=3Don,avx512vbmi= =3Don,xsaveopt=3Don", - "level", 0); + "486", + "level=3D0,arat=3Don,fsgsbase=3Don,avx512vbmi=3Don,xsav= eopt=3Don", + NULL, "level", 0); =20 /* if xlevel is already large enough, it shouldn't change: */ add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow", - "-cpu phenom,3dnow=3Don,sse4a=3Don,invtsc=3Don,npt=3Don= ,svm=3Don", - "xlevel", 0x8000001A); + "phenom", "3dnow=3Don,sse4a=3Don,invtsc=3Don,npt=3Don,s= vm=3Don", + NULL, "xlevel", 0x8000001A); /* If xlevel is explicitly set, it shouldn't change: */ add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002", - "-cpu 486,xlevel=3D0x80000002,3dnow=3Don,sse4a=3Don,inv= tsc=3Don,npt=3Don,svm=3Don", - "xlevel", 0x80000002); + "486", + "xlevel=3D0x80000002,3dnow=3Don,sse4a=3Don,invtsc=3Don,= npt=3Don,svm=3Don", + NULL, "xlevel", 0x80000002); add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A", - "-cpu 486,xlevel=3D0x8000001A,3dnow=3Don,sse4a=3Don,inv= tsc=3Don,npt=3Don,svm=3Don", - "xlevel", 0x8000001A); + "486", + "xlevel=3D0x8000001A,3dnow=3Don,sse4a=3Don,invtsc=3Don,= npt=3Don,svm=3Don", + NULL, "xlevel", 0x8000001A); add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0", - "-cpu 486,xlevel=3D0,3dnow=3Don,sse4a=3Don,invtsc=3Don,= npt=3Don,svm=3Don", - "xlevel", 0); + "486", + "xlevel=3D0,3dnow=3Don,sse4a=3Don,invtsc=3Don,npt=3Don,= svm=3Don", + NULL, "xlevel", 0); =20 /* if xlevel2 is already large enough, it shouldn't change: */ add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed", - "-cpu 486,xlevel2=3D0xC0000002,xstore=3Don", - "xlevel2", 0xC0000002); + "486", "xlevel2=3D0xC0000002,xstore=3Don", + NULL, "xlevel2", 0xC0000002); =20 /* Check compatibility of old machine-types that didn't * auto-increase level/xlevel/xlevel2: */ if (qtest_has_machine("pc-i440fx-2.7")) { add_cpuid_test("x86/cpuid/auto-level/pc-2.7", - "-machine pc-i440fx-2.7 -cpu 486,arat=3Don,avx512vb= mi=3Don,xsaveopt=3Don", - "level", 1); + "486", "arat=3Don,avx512vbmi=3Don,xsaveopt=3Don", + "pc-i440fx-2.7", "level", 1); add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7", - "-machine pc-i440fx-2.7 -cpu 486,3dnow=3Don,sse4a= =3Don,invtsc=3Don,npt=3Don,svm=3Don", - "xlevel", 0); + "486", "3dnow=3Don,sse4a=3Don,invtsc=3Don,npt=3Don,= svm=3Don", + "pc-i440fx-2.7", "xlevel", 0); add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7", - "-machine pc-i440fx-2.7 -cpu 486,xstore=3Don", + "486", "xstore=3Don", "pc-i440fx-2.7", "xlevel2", 0); } /* @@ -319,18 +364,18 @@ int main(int argc, char **argv) */ if (qtest_has_machine("pc-i440fx-2.3")) { add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/off", - "-machine pc-i440fx-2.3 -cpu Penryn", + "Penryn", NULL, "pc-i440fx-2.3", "level", 4); add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/on", - "-machine pc-i440fx-2.3 -cpu Penryn,erms=3Don", + "Penryn", "erms=3Don", "pc-i440fx-2.3", "level", 7); } if (qtest_has_machine("pc-i440fx-2.9")) { add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/off", - "-machine pc-i440fx-2.9 -cpu Conroe", + "Conroe", NULL, "pc-i440fx-2.9", "level", 10); add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/on", - "-machine pc-i440fx-2.9 -cpu Conroe,erms=3Don", + "Conroe", "erms=3Don", "pc-i440fx-2.9", "level", 10); } =20 @@ -341,42 +386,43 @@ int main(int argc, char **argv) */ if (qtest_has_machine("pc-i440fx-2.3")) { add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.3", - "-machine pc-i440fx-2.3 -cpu SandyBridge", + "SandyBridge", NULL, "pc-i440fx-2.3", "xlevel", 0x8000000a); } if (qtest_has_machine("pc-i440fx-2.4")) { add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-off", - "-machine pc-i440fx-2.4 -cpu SandyBridge,", + "SandyBridge", NULL, "pc-i440fx-2.4", "xlevel", 0x80000008); add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-on", - "-machine pc-i440fx-2.4 -cpu SandyBridge,svm=3Don,n= pt=3Don", + "SandyBridge", "svm=3Don,npt=3Don", "pc-i440fx-2.4", "xlevel", 0x80000008); } =20 /* Test feature parsing */ add_feature_test("x86/cpuid/features/plus", - "-cpu 486,+arat", + "486", "+arat", 6, 0, "EAX", 2, true); add_feature_test("x86/cpuid/features/minus", - "-cpu pentium,-mmx", + "pentium", "-mmx", 1, 0, "EDX", 23, false); add_feature_test("x86/cpuid/features/on", - "-cpu 486,arat=3Don", + "486", "arat=3Don", 6, 0, "EAX", 2, true); add_feature_test("x86/cpuid/features/off", - "-cpu pentium,mmx=3Doff", + "pentium", "mmx=3Doff", 1, 0, "EDX", 23, false); + add_feature_test("x86/cpuid/features/max-plus-invtsc", - "-cpu max,+invtsc", + "max" , "+invtsc", 0x80000007, 0, "EDX", 8, true); add_feature_test("x86/cpuid/features/max-invtsc-on", - "-cpu max,invtsc=3Don", + "max", "invtsc=3Don", 0x80000007, 0, "EDX", 8, true); add_feature_test("x86/cpuid/features/max-minus-mmx", - "-cpu max,-mmx", + "max", "-mmx", 1, 0, "EDX", 23, false); add_feature_test("x86/cpuid/features/max-invtsc-on,mmx=3Doff", - "-cpu max,mmx=3Doff", + "max", "mmx=3Doff", 1, 0, "EDX", 23, false); =20 return g_test_run(); --=20 2.42.0