1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_RUNTIME_ARCH_MIPS_REGISTERS_MIPS_H_ 18 #define ART_RUNTIME_ARCH_MIPS_REGISTERS_MIPS_H_ 19 20 #include <iosfwd> 21 22 #include "base/logging.h" 23 #include "base/macros.h" 24 #include "globals.h" 25 26 namespace art { 27 namespace mips { 28 29 enum Register { 30 ZERO = 0, 31 AT = 1, // Assembler temporary. 32 V0 = 2, // Values. 33 V1 = 3, 34 A0 = 4, // Arguments. 35 A1 = 5, 36 A2 = 6, 37 A3 = 7, 38 T0 = 8, // Two extra arguments / temporaries. 39 T1 = 9, 40 T2 = 10, // Temporaries. 41 T3 = 11, 42 T4 = 12, 43 T5 = 13, 44 T6 = 14, 45 T7 = 15, 46 S0 = 16, // Saved values. 47 S1 = 17, 48 S2 = 18, 49 S3 = 19, 50 S4 = 20, 51 S5 = 21, 52 S6 = 22, 53 S7 = 23, 54 T8 = 24, // More temporaries. 55 T9 = 25, 56 K0 = 26, // Reserved for trap handler. 57 K1 = 27, 58 GP = 28, // Global pointer. 59 SP = 29, // Stack pointer. 60 FP = 30, // Saved value/frame pointer. 61 RA = 31, // Return address. 62 TR = S1, // ART Thread Register 63 TMP = T8, // scratch register (in addition to AT) 64 kNumberOfCoreRegisters = 32, 65 kNoRegister = -1 // Signals an illegal register. 66 }; 67 std::ostream& operator<<(std::ostream& os, const Register& rhs); 68 69 // Values for single-precision floating point registers. 70 enum FRegister { 71 F0 = 0, 72 F1 = 1, 73 F2 = 2, 74 F3 = 3, 75 F4 = 4, 76 F5 = 5, 77 F6 = 6, 78 F7 = 7, 79 F8 = 8, 80 F9 = 9, 81 F10 = 10, 82 F11 = 11, 83 F12 = 12, 84 F13 = 13, 85 F14 = 14, 86 F15 = 15, 87 F16 = 16, 88 F17 = 17, 89 F18 = 18, 90 F19 = 19, 91 F20 = 20, 92 F21 = 21, 93 F22 = 22, 94 F23 = 23, 95 F24 = 24, 96 F25 = 25, 97 F26 = 26, 98 F27 = 27, 99 F28 = 28, 100 F29 = 29, 101 F30 = 30, 102 F31 = 31, 103 FTMP = F6, // scratch register 104 kNumberOfFRegisters = 32, 105 kNoFRegister = -1, 106 }; 107 std::ostream& operator<<(std::ostream& os, const FRegister& rhs); 108 109 } // namespace mips 110 } // namespace art 111 112 #endif // ART_RUNTIME_ARCH_MIPS_REGISTERS_MIPS_H_ 113