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Simon McVittie authored
This wraps g_test_init and automatically calls _srt_tests_global_debug_log_to_stderr(); it can also do any other setup we need in the future. A few test helpers (which are not, themselves, tests) continue to use _srt_tests_global_debug_log_to_stderr() directly. Signed-off-by:
Simon McVittie <smcv@collabora.com>
Simon McVittie authoredThis wraps g_test_init and automatically calls _srt_tests_global_debug_log_to_stderr(); it can also do any other setup we need in the future. A few test helpers (which are not, themselves, tests) continue to use _srt_tests_global_debug_log_to_stderr() directly. Signed-off-by:
Simon McVittie <smcv@collabora.com>
cpu-feature.c 6.15 KiB
/*
* Copyright © 2022 Collabora Ltd.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <libglnx.h>
#include <steam-runtime-tools/glib-backports-internal.h>
#include <steam-runtime-tools/steam-runtime-tools.h>
#if defined(__x86_64__) || defined(__i386__)
#include <cpuid.h>
#endif
#include "steam-runtime-tools/cpu-feature-internal.h"
#include "test-utils.h"
typedef struct
{
int unused;
} Fixture;
typedef struct
{
int unused;
} Config;
static void
setup (Fixture *f,
gconstpointer context)
{
G_GNUC_UNUSED const Config *config = context;
}
static void
teardown (Fixture *f,
gconstpointer context)
{
G_GNUC_UNUSED const Config *config = context;
}
static void
test_cpu_feature (Fixture *f,
gconstpointer context)
{
G_GNUC_UNUSED const Config *config = context;
#if defined(__x86_64__) || defined(__i386__)
SrtX86FeatureFlags known;
SrtX86FeatureFlags present;
g_autoptr(GHashTable) mock_cpuid = g_hash_table_new_full (_srt_cpuid_key_hash,
_srt_cpuid_key_equals,
_srt_cpuid_key_free,
_srt_cpuid_data_free);
present = _srt_feature_get_x86_flags (NULL, &known);
/* We don't know whether SSE3 etc. are supported by the real CPU, but we
* do know that the bits that are supported should be a subset of the
* bits that were discovered */
g_assert_cmpint (known, ==, present | known);
#if defined(__x86_64__)
/* If we're compiled for x86_64 then we'd better be in long mode */
g_assert_cmpint (present & SRT_X86_FEATURE_X86_64, ==, SRT_X86_FEATURE_X86_64);
#endif
/* If we mock up a failing CPUID, then we know nothing */
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, SRT_X86_FEATURE_NONE);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_NONE);
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, 0));
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_EXT_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, 0));
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, _SRT_X86_FEATURE_ALL);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_NONE);
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0,
0,
(bit_CMPXCHG16B | bit_SSE3),
0));
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_EXT_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, bit_LM));
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, _SRT_X86_FEATURE_ALL);
g_assert_cmpint (present, ==, _SRT_X86_FEATURE_ALL);
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, bit_CMPXCHG16B, 0));
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_EXT_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, 0));
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, _SRT_X86_FEATURE_ALL);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_CMPXCHG16B);
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, bit_SSE3, 0));
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_EXT_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, 0));
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, _SRT_X86_FEATURE_ALL);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_SSE3);
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, 0));
g_hash_table_replace (mock_cpuid,
_srt_cpuid_key_new (_SRT_CPUID_LEAF_EXT_PROCESSOR_INFO, 0),
_srt_cpuid_data_new (0, 0, 0, bit_LM));
present = _srt_feature_get_x86_flags (mock_cpuid, &known);
g_assert_cmpint (known, ==, _SRT_X86_FEATURE_ALL);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_X86_64);
#else /* !x86 */
SrtX86FeatureFlags known;
SrtX86FeatureFlags present = _srt_feature_get_x86_flags (NULL, &known);
g_assert_cmpint (known, ==, SRT_X86_FEATURE_NONE);
g_assert_cmpint (present, ==, SRT_X86_FEATURE_NONE);
#endif /* !x86 */
}
int
main (int argc,
char **argv)
{
_srt_tests_init (&argc, &argv, NULL);
g_test_add ("/cpu-feature", Fixture, NULL, setup,
test_cpu_feature, teardown);
return g_test_run ();
}