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qemu-e2k/tests/test-x86-cpuid-compat.c

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tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qint.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;
}
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);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
/* 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);
/* If level is not large enough, it should increase automatically: */
target-i386: Automatically set level/xlevel/xlevel2 when needed Instead of requiring users and management software to be aware of required CPUID level/xlevel/xlevel2 values for each feature, automatically increase those values when features need them. This was already done for CPUID[7].EBX, and is now made generic for all CPUID feature flags. Unit test included, to make sure we don't break ABI on older machine-types and don't mess with the CPUID level values if they are explicitly set by the user. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-21 18:30:12 +02:00
/* CPUID[6].EAX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/arat",
"-cpu 486,+arat", "level", 6);
tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
/* CPUID[EAX=7,ECX=0].EBX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
"-cpu phenom,+fsgsbase", "level", 7);
target-i386: Automatically set level/xlevel/xlevel2 when needed Instead of requiring users and management software to be aware of required CPUID level/xlevel/xlevel2 values for each feature, automatically increase those values when features need them. This was already done for CPUID[7].EBX, and is now made generic for all CPUID feature flags. Unit test included, to make sure we don't break ABI on older machine-types and don't mess with the CPUID level values if they are explicitly set by the user. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-21 18:30:12 +02:00
/* 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);
tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
/* 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);
target-i386: Automatically set level/xlevel/xlevel2 when needed Instead of requiring users and management software to be aware of required CPUID level/xlevel/xlevel2 values for each feature, automatically increase those values when features need them. This was already done for CPUID[7].EBX, and is now made generic for all CPUID feature flags. Unit test included, to make sure we don't break ABI on older machine-types and don't mess with the CPUID level values if they are explicitly set by the user. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-21 18:30:12 +02:00
/* 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);
tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
/* 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",
"xlevel", 0x8000001A);
target-i386: Automatically set level/xlevel/xlevel2 when needed Instead of requiring users and management software to be aware of required CPUID level/xlevel/xlevel2 values for each feature, automatically increase those values when features need them. This was already done for CPUID[7].EBX, and is now made generic for all CPUID feature flags. Unit test included, to make sure we don't break ABI on older machine-types and don't mess with the CPUID level values if they are explicitly set by the user. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-21 18:30:12 +02:00
/* 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",
"xlevel", 0x80000002);
add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
"-cpu 486,xlevel=0x8000001A,+3dnow,+sse4a,+invtsc,+npt",
"xlevel", 0x8000001A);
add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
"-cpu 486,xlevel=0,+3dnow,+sse4a,+invtsc,+npt",
"xlevel", 0);
tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
/* 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);
tests: Test CPUID level handling for old machines We're going to change the way level/xlevel/xlevel2 are handled when enabling features, but we need to keep the old behavior on existing machine types. Add test cases for that. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-21 01:57:00 +02:00
/* 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",
"xlevel", 0);
add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
"-machine pc-i440fx-2.7 -cpu 486,+xstore",
"xlevel2", 0);
tests: Add test code for CPUID level/xlevel handling Add test code that will check if the automatic CPUID level changes are working as expected. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-09-20 22:11:39 +02:00
return g_test_run();
}