TYPE3

[iec.git] / src / type3_AndroidCloud / anbox-master / external / cpu_features / include / internal / linux_features_aggregator.h

diff --git a/src/type3_AndroidCloud/anbox-master/external/cpu_features/include/internal/linux_features_aggregator.h b/src/type3_AndroidCloud/anbox-master/external/cpu_features/include/internal/linux_features_aggregator.h
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+// Copyright 2017 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// CapabilityConfig provides a way to map cpu features to hardware caps and
+// /proc/cpuinfo flags. We then provide functions to update capabilities from
+// either source.
+#ifndef CPU_FEATURES_INCLUDE_INTERNAL_LINUX_FEATURES_AGGREGATOR_H_
+#define CPU_FEATURES_INCLUDE_INTERNAL_LINUX_FEATURES_AGGREGATOR_H_
+
+#include <ctype.h>
+#include <stdint.h>
+#include "cpu_features_macros.h"
+#include "internal/hwcaps.h"
+#include "internal/string_view.h"
+
+CPU_FEATURES_START_CPP_NAMESPACE
+
+// Use the following macro to declare setter functions to be used in
+// CapabilityConfig.
+#define DECLARE_SETTER(FeatureType, FeatureName)                    \
+  static void set_##FeatureName(void* const features, bool value) { \
+    ((FeatureType*)features)->FeatureName = value;                  \
+  }
+
+// Describes the relationship between hardware caps and /proc/cpuinfo flags.
+typedef struct {
+  const HardwareCapabilities hwcaps_mask;
+  const char* const proc_cpuinfo_flag;
+  void (*set_bit)(void* const, bool);  // setter for the corresponding bit.
+} CapabilityConfig;
+
+// For every config, looks into flags_line for the presence of the
+// corresponding proc_cpuinfo_flag, calls `set_bit` accordingly.
+// Note: features is a pointer to the underlying Feature struct.
+void CpuFeatures_SetFromFlags(const size_t configs_size,
+                              const CapabilityConfig* configs,
+                              const StringView flags_line,
+                              void* const features);
+
+// For every config, looks into hwcaps for the presence of the feature. Calls
+// `set_bit` with true if the hardware capability is found.
+// Note: features is a pointer to the underlying Feature struct.
+void CpuFeatures_OverrideFromHwCaps(const size_t configs_size,
+                                    const CapabilityConfig* configs,
+                                    const HardwareCapabilities hwcaps,
+                                    void* const features);
+
+CPU_FEATURES_END_CPP_NAMESPACE
+#endif  // CPU_FEATURES_INCLUDE_INTERNAL_LINUX_FEATURES_AGGREGATOR_H_