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FRET-qemu/tests/test-x86-cpuid-compat.c
Eduardo Habkost 83a00f6095 target-i386: Print warning when mixing [+-]foo and foo=(on|off) 
Print a warning when mixing [+-]foo and foo=(on|off) in the -cpu
argument in a way that will break in the future.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-10-31 16:20:59 -02:00

234 lines
8.3 KiB
C
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#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qint.h"
#include "qapi/qmp/qbool.h"
#include "libqtest.h"
static char *get_cpu0_qom_path(void)
{
QDict *resp;
QList *ret;
QDict *cpu0;
char *path;
resp = qmp("{'execute': 'query-cpus', 'arguments': {}}");
g_assert(qdict_haskey(resp, "return"));
ret = qdict_get_qlist(resp, "return");
cpu0 = qobject_to_qdict(qlist_peek(ret));
path = g_strdup(qdict_get_str(cpu0, "qom_path"));
QDECREF(resp);
return path;
}
static QObject *qom_get(const char *path, const char *prop)
{
QDict *resp = qmp("{ 'execute': 'qom-get',"
" 'arguments': { 'path': %s,"
" 'property': %s } }",
path, prop);
QObject *ret = qdict_get(resp, "return");
qobject_incref(ret);
QDECREF(resp);
return ret;
}
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
static bool qom_get_bool(const char *path, const char *prop)
{
QBool *value = qobject_to_qbool(qom_get(path, prop));
bool b = qbool_get_bool(value);
QDECREF(value);
return b;
}
#endif
typedef struct CpuidTestArgs {
const char *cmdline;
const char *property;
int64_t expected_value;
} CpuidTestArgs;
static void test_cpuid_prop(const void *data)
{
const CpuidTestArgs *args = data;
char *path;
QInt *value;
qtest_start(args->cmdline);
path = get_cpu0_qom_path();
value = qobject_to_qint(qom_get(path, args->property));
g_assert_cmpint(qint_get_int(value), ==, args->expected_value);
qtest_end();
QDECREF(value);
g_free(path);
}
static void add_cpuid_test(const char *name, const char *cmdline,
const char *property, int64_t expected_value)
{
CpuidTestArgs *args = g_new0(CpuidTestArgs, 1);
args->cmdline = cmdline;
args->property = property;
args->expected_value = expected_value;
qtest_add_data_func(name, args, test_cpuid_prop);
}
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
static void test_plus_minus_subprocess(void)
{
char *path;
/* Rules:
* 1)"-foo" overrides "+foo"
* 2) "[+-]foo" overrides "foo=..."
* 3) Old feature names with underscores (e.g. "sse4_2")
* should keep working
*
* Note: rules 1 and 2 are planned to be removed soon, and
* should generate a warning.
*/
qtest_start("-cpu pentium,-fpu,+fpu,-mce,mce=on,+cx8,cx8=off,+sse4_1,sse4_2=on");
path = get_cpu0_qom_path();
g_assert_false(qom_get_bool(path, "fpu"));
g_assert_false(qom_get_bool(path, "mce"));
g_assert_true(qom_get_bool(path, "cx8"));
/* Test both the original and the alias feature names: */
g_assert_true(qom_get_bool(path, "sse4-1"));
g_assert_true(qom_get_bool(path, "sse4.1"));
g_assert_true(qom_get_bool(path, "sse4-2"));
g_assert_true(qom_get_bool(path, "sse4.2"));
qtest_end();
g_free(path);
}
static void test_plus_minus(void)
{
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. "
"Don't mix both \"-mce\" and \"mce=on\"*");
g_test_trap_assert_stderr("*Ambiguous CPU model string. "
"Don't mix both \"+cx8\" and \"cx8=off\"*");
g_test_trap_assert_stdout("");
}
#endif
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
g_test_add_func("/x86/cpuid/parsing-plus-minus/subprocess",
test_plus_minus_subprocess);
g_test_add_func("/x86/cpuid/parsing-plus-minus", test_plus_minus);
#endif
/* Original level values for CPU models: */
add_cpuid_test("x86/cpuid/phenom/level",
"-cpu phenom", "level", 5);
add_cpuid_test("x86/cpuid/Conroe/level",
"-cpu Conroe", "level", 10);
add_cpuid_test("x86/cpuid/SandyBridge/level",
"-cpu SandyBridge", "level", 0xd);
add_cpuid_test("x86/cpuid/486/xlevel",
"-cpu 486", "xlevel", 0);
add_cpuid_test("x86/cpuid/core2duo/xlevel",
"-cpu core2duo", "xlevel", 0x80000008);
add_cpuid_test("x86/cpuid/phenom/xlevel",
"-cpu phenom", "xlevel", 0x8000001A);
add_cpuid_test("x86/cpuid/athlon/xlevel",
"-cpu athlon", "xlevel", 0x80000008);
/* 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", "level", 6);
/* CPUID[EAX=7,ECX=0].EBX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
"-cpu phenom,+fsgsbase", "level", 7);
/* CPUID[EAX=7,ECX=0].ECX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi",
"-cpu phenom,+avx512vbmi", "level", 7);
/* CPUID[EAX=0xd,ECX=1].EAX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt",
"-cpu phenom,+xsaveopt", "level", 0xd);
/* CPUID[8000_0001].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow",
"-cpu 486,+3dnow", "xlevel", 0x80000001);
/* CPUID[8000_0001].ECX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a",
"-cpu 486,+sse4a", "xlevel", 0x80000001);
/* CPUID[8000_0007].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc",
"-cpu 486,+invtsc", "xlevel", 0x80000007);
/* CPUID[8000_000A].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/npt",
"-cpu 486,+npt", "xlevel", 0x8000000A);
/* CPUID[C000_0001].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore",
"-cpu phenom,+xstore", "xlevel2", 0xC0000001);
/* SVM needs CPUID[0x8000000A] */
add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm",
"-cpu athlon,+svm", "xlevel", 0x8000000A);
/* If level is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple",
"-cpu SandyBridge,+arat,+fsgsbase,+avx512vbmi",
"level", 0xd);
/* If level is explicitly set, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF",
"-cpu 486,level=0xF,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
"level", 0xF);
add_cpuid_test("x86/cpuid/auto-level/486/fixed/2",
"-cpu 486,level=2,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
"level", 2);
add_cpuid_test("x86/cpuid/auto-level/486/fixed/0",
"-cpu 486,level=0,+arat,+fsgsbase,+avx512vbmi,+xsaveopt",
"level", 0);
/* if xlevel is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow",
"-cpu phenom,+3dnow,+sse4a,+invtsc,+npt,+svm",
"xlevel", 0x8000001A);
/* If xlevel is explicitly set, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002",
"-cpu 486,xlevel=0x80000002,+3dnow,+sse4a,+invtsc,+npt,+svm",
"xlevel", 0x80000002);
add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
"-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt,+svm",
"xlevel", 0x8000001A);
add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
"-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt,+svm",
"xlevel", 0);
/* if xlevel2 is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed",
"-cpu 486,xlevel2=0xC0000002,+xstore",
"xlevel2", 0xC0000002);
/* Check compatibility of old machine-types that didn't
* auto-increase level/xlevel/xlevel2: */
add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
"-machine pc-i440fx-2.7 -cpu 486,+arat,+avx512vbmi,+xsaveopt",
"level", 1);
add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
"-machine pc-i440fx-2.7 -cpu 486,+3dnow,+sse4a,+invtsc,+npt,+svm",
"xlevel", 0);
add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
"-machine pc-i440fx-2.7 -cpu 486,+xstore",
"xlevel2", 0);
return g_test_run();
}
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