tests/test-x86-cpuid-compat.c

   1 #include "qemu/osdep.h"
   2 #include "qemu-common.h"
   3 #include "qapi/qmp/qlist.h"
   4 #include "qapi/qmp/qdict.h"
   5 #include "qapi/qmp/qint.h"
   6 #include "libqtest.h"
   7
   8 static char *get_cpu0_qom_path(void)
   9 {
  10     QDict *resp;
  11     QList *ret;
  12     QDict *cpu0;
  13     char *path;
  14
  15     resp = qmp("{'execute': 'query-cpus', 'arguments': {}}");
  16     g_assert(qdict_haskey(resp, "return"));
  17     ret = qdict_get_qlist(resp, "return");
  18
  19     cpu0 = qobject_to_qdict(qlist_peek(ret));
  20     path = g_strdup(qdict_get_str(cpu0, "qom_path"));
  21     QDECREF(resp);
  22     return path;
  23 }
  24
  25 static QObject *qom_get(const char *path, const char *prop)
  26 {
  27     QDict *resp = qmp("{ 'execute': 'qom-get',"
  28                       "  'arguments': { 'path': %s,"
  29                       "                 'property': %s } }",
  30                       path, prop);
  31     QObject *ret = qdict_get(resp, "return");
  32     qobject_incref(ret);
  33     QDECREF(resp);
  34     return ret;
  35 }
  36
  37 typedef struct CpuidTestArgs {
  38     const char *cmdline;
  39     const char *property;
  40     int64_t expected_value;
  41 } CpuidTestArgs;
  42
  43 static void test_cpuid_prop(const void *data)
  44 {
  45     const CpuidTestArgs *args = data;
  46     char *path;
  47     QInt *value;
  48
  49     qtest_start(args->cmdline);
  50     path = get_cpu0_qom_path();
  51     value = qobject_to_qint(qom_get(path, args->property));
  52     g_assert_cmpint(qint_get_int(value), ==, args->expected_value);
  53     qtest_end();
  54
  55     QDECREF(value);
  56     g_free(path);
  57 }
  58
  59 static void add_cpuid_test(const char *name, const char *cmdline,
  60                            const char *property, int64_t expected_value)
  61 {
  62     CpuidTestArgs *args = g_new0(CpuidTestArgs, 1);
  63     args->cmdline = cmdline;
  64     args->property = property;
  65     args->expected_value = expected_value;
  66     qtest_add_data_func(name, args, test_cpuid_prop);
  67 }
  68
  69 int main(int argc, char **argv)
  70 {
  71     g_test_init(&argc, &argv, NULL);
  72
  73     /* Original level values for CPU models: */
  74     add_cpuid_test("x86/cpuid/phenom/level",
  75                    "-cpu phenom", "level", 5);
  76     add_cpuid_test("x86/cpuid/Conroe/level",
  77                    "-cpu Conroe", "level", 10);
  78     add_cpuid_test("x86/cpuid/SandyBridge/level",
  79                    "-cpu SandyBridge", "level", 0xd);
  80     add_cpuid_test("x86/cpuid/486/xlevel",
  81                    "-cpu 486", "xlevel", 0);
  82     add_cpuid_test("x86/cpuid/core2duo/xlevel",
  83                    "-cpu core2duo", "xlevel", 0x80000008);
  84     add_cpuid_test("x86/cpuid/phenom/xlevel",
  85                    "-cpu phenom", "xlevel", 0x8000001A);
  86     add_cpuid_test("x86/cpuid/athlon/xlevel",
  87                    "-cpu athlon", "xlevel", 0x80000008);
  88
  89     /* If level is not large enough, it should increase automatically: */
  90     /* CPUID[6].EAX: */
  91     add_cpuid_test("x86/cpuid/auto-level/phenom/arat",
  92                    "-cpu 486,+arat", "level", 6);
  93     /* CPUID[EAX=7,ECX=0].EBX: */
  94     add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
  95                    "-cpu phenom,+fsgsbase", "level", 7);
  96     /* CPUID[EAX=7,ECX=0].ECX: */
  97     add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi",
  98                    "-cpu phenom,+avx512vbmi", "level", 7);
  99     /* CPUID[EAX=0xd,ECX=1].EAX: */
 100     add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt",
 101                    "-cpu phenom,+xsaveopt", "level", 0xd);
 102     /* CPUID[8000_0001].EDX: */
 103     add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow",
 104                    "-cpu 486,+3dnow", "xlevel", 0x80000001);
 105     /* CPUID[8000_0001].ECX: */
 106     add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a",
 107                    "-cpu 486,+sse4a", "xlevel", 0x80000001);
 108     /* CPUID[8000_0007].EDX: */
 109     add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc",
 110                    "-cpu 486,+invtsc", "xlevel", 0x80000007);
 111     /* CPUID[8000_000A].EDX: */
 112     add_cpuid_test("x86/cpuid/auto-xlevel/486/npt",
 113                    "-cpu 486,+npt", "xlevel", 0x8000000A);
 114     /* CPUID[C000_0001].EDX: */
 115     add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore",
 116                    "-cpu phenom,+xstore", "xlevel2", 0xC0000001);
 117     /* SVM needs CPUID[0x8000000A] */
 118     add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm",
 119                    "-cpu athlon,+svm", "xlevel", 0x8000000A);
 120
 121
 122     /* If level is already large enough, it shouldn't change: */
 123     add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple",
 124                    "-cpu SandyBridge,+arat,+fsgsbase,+avx512vbmi",
 125                    "level", 0xd);
 126     /* If level is explicitly set, it shouldn't change: */
 127     add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF",
 128                    "-cpu 486,level=0xF,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
 129                    "level", 0xF);
 130     add_cpuid_test("x86/cpuid/auto-level/486/fixed/2",
 131                    "-cpu 486,level=2,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
 132                    "level", 2);
 133     add_cpuid_test("x86/cpuid/auto-level/486/fixed/0",
 134                    "-cpu 486,level=0,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
 135                    "level", 0);
 136
 137     /* if xlevel is already large enough, it shouldn't change: */
 138     add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow",
 139                    "-cpu phenom,+3dnow,+sse4a,+invtsc,+npt,+svm",
 140                    "xlevel", 0x8000001A);
 141     /* If xlevel is explicitly set, it shouldn't change: */
 142     add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002",
 143                    "-cpu 486,xlevel=0x80000002,+3dnow,+sse4a,+invtsc,+npt,+svm",
 144                    "xlevel", 0x80000002);
 145     add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
 146                    "-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt,+svm",
 147                    "xlevel", 0x8000001A);
 148     add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
 149                    "-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt,+svm",
 150                    "xlevel", 0);
 151
 152     /* if xlevel2 is already large enough, it shouldn't change: */
 153     add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed",
 154                    "-cpu 486,xlevel2=0xC0000002,+xstore",
 155                    "xlevel2", 0xC0000002);
 156
 157     /* Check compatibility of old machine-types that didn't
 158      * auto-increase level/xlevel/xlevel2: */
 159
 160     add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
 161                    "-machine pc-i440fx-2.7 -cpu 486,+arat,+avx512vbmi,+xsaveopt",
 162                    "level", 1);
 163     add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
 164                    "-machine pc-i440fx-2.7 -cpu 486,+3dnow,+sse4a,+invtsc,+npt,+svm",
 165                    "xlevel", 0);
 166     add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
 167                    "-machine pc-i440fx-2.7 -cpu 486,+xstore",
 168                    "xlevel2", 0);
 169
 170     return g_test_run();
 171 }