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33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
// Copyright 2017 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/cpuid_x86.h"
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#if defined(CPU_FEATURES_ARCH_X86) && defined(CPU_FEATURES_COMPILER_GCC)
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#include <cpuid.h>
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Leaf CpuId(uint32_t leaf_id) {
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Leaf leaf;
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__cpuid(leaf_id, leaf.eax, leaf.ebx, leaf.ecx, leaf.edx);
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return leaf;
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}
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uint32_t GetXCR0Eax(void) {
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uint32_t eax, edx;
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__asm("XGETBV" : "=a"(eax), "=d"(edx) : "c"(0));
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return eax;
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}
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#endif // defined(CPU_FEATURES_ARCH_X86) && defined(CPU_FEATURES_COMPILER_GCC)
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