1 // Copyright 2017 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //    http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
16 #define CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
17 
18 #include "cpu_features_cache_info.h"
19 #include "cpu_features_macros.h"
20 
21 CPU_FEATURES_START_CPP_NAMESPACE
22 
23 typedef struct {
24   int msa : 1;  // MIPS SIMD Architecture
25                 // https://www.mips.com/products/architectures/ase/simd/
26   int eva : 1;  // Enhanced Virtual Addressing
27                 // https://www.mips.com/products/architectures/mips64/
28   int r6 : 1;   // True if is release 6 of the processor.
29 
30   // Make sure to update MipsFeaturesEnum below if you add a field here.
31 } MipsFeatures;
32 
33 typedef struct {
34   MipsFeatures features;
35 } MipsInfo;
36 
37 MipsInfo GetMipsInfo(void);
38 
39 ////////////////////////////////////////////////////////////////////////////////
40 // Introspection functions
41 
42 typedef enum {
43   MIPS_MSA,
44   MIPS_EVA,
45   MIPS_R6,
46   MIPS_LAST_,
47 } MipsFeaturesEnum;
48 
49 int GetMipsFeaturesEnumValue(const MipsFeatures* features,
50                              MipsFeaturesEnum value);
51 
52 const char* GetMipsFeaturesEnumName(MipsFeaturesEnum);
53 
54 CPU_FEATURES_END_CPP_NAMESPACE
55 
56 #if !defined(CPU_FEATURES_ARCH_MIPS)
57 #error "Including cpuinfo_mips.h from a non-mips target."
58 #endif
59 
60 #endif  // CPU_FEATURES_INCLUDE_CPUINFO_MIPS_H_
61