xref: /aosp_15_r20/external/cpu_features/include/cpuinfo_mips.h (revision eca53ba6d2e951e174b64682eaf56a36b8204c89)

// Copyright 2017 Google LLC
//
// 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.

#ifndef CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
#define CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_

#include "cpu_features_cache_info.h"
#include "cpu_features_macros.h"

CPU_FEATURES_START_CPP_NAMESPACE

typedef struct {
  int msa : 1;    // MIPS SIMD Architecture
                  // https://www.mips.com/products/architectures/ase/simd/
  int eva : 1;    // Enhanced Virtual Addressing
                  // https://www.mips.com/products/architectures/mips64/
  int r6 : 1;     // True if is release 6 of the processor.
  int mips16 : 1; // Compressed instructions
  int mdmx : 1;   // MIPS Digital Media Extension
  int mips3d : 1; // 3D graphics acceleration
                  // MIPS(r) Architecture for Programmers, Volume IV-c
  int smart : 1;  // Smart-card cryptography
                  // MIPS(r) Architecture for Programmers, Volume IV-d
  int dsp : 1;    // Digital Signal Processing
                  // MIPS(r) Architecture for Programmers, Volume IV-e
                  // https://www.mips.com/products/architectures/ase/dsp/

  // Make sure to update MipsFeaturesEnum below if you add a field here.
} MipsFeatures;

typedef struct {
  MipsFeatures features;
} MipsInfo;

MipsInfo GetMipsInfo(void);

////////////////////////////////////////////////////////////////////////////////
// Introspection functions

typedef enum {
  MIPS_MSA,
  MIPS_EVA,
  MIPS_R6,
  MIPS_MIPS16,
  MIPS_MDMX,
  MIPS_MIPS3D,
  MIPS_SMART,
  MIPS_DSP,
  MIPS_LAST_,
} MipsFeaturesEnum;

int GetMipsFeaturesEnumValue(const MipsFeatures* features,
                             MipsFeaturesEnum value);

const char* GetMipsFeaturesEnumName(MipsFeaturesEnum);

CPU_FEATURES_END_CPP_NAMESPACE

#if !defined(CPU_FEATURES_ARCH_MIPS)
#error "Including cpuinfo_mips.h from a non-mips target."
#endif

#endif  // CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_