1 | //===--- MipsABIFlags.h - MIPS ABI flags ----------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file defines the constants for the ABI flags structure contained |
10 | // in the .MIPS.abiflags section. |
11 | // |
12 | // https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking |
13 | // |
14 | //===----------------------------------------------------------------------===// |
15 | |
16 | #ifndef LLVM_SUPPORT_MIPSABIFLAGS_H |
17 | #define LLVM_SUPPORT_MIPSABIFLAGS_H |
18 | |
19 | namespace llvm { |
20 | namespace Mips { |
21 | |
22 | // Values for the xxx_size bytes of an ABI flags structure. |
23 | enum AFL_REG { |
24 | AFL_REG_NONE = 0x00, // No registers |
25 | AFL_REG_32 = 0x01, // 32-bit registers |
26 | AFL_REG_64 = 0x02, // 64-bit registers |
27 | AFL_REG_128 = 0x03 // 128-bit registers |
28 | }; |
29 | |
30 | // Masks for the ases word of an ABI flags structure. |
31 | enum AFL_ASE { |
32 | AFL_ASE_DSP = 0x00000001, // DSP ASE |
33 | AFL_ASE_DSPR2 = 0x00000002, // DSP R2 ASE |
34 | AFL_ASE_EVA = 0x00000004, // Enhanced VA Scheme |
35 | AFL_ASE_MCU = 0x00000008, // MCU (MicroController) ASE |
36 | AFL_ASE_MDMX = 0x00000010, // MDMX ASE |
37 | AFL_ASE_MIPS3D = 0x00000020, // MIPS-3D ASE |
38 | AFL_ASE_MT = 0x00000040, // MT ASE |
39 | AFL_ASE_SMARTMIPS = 0x00000080, // SmartMIPS ASE |
40 | AFL_ASE_VIRT = 0x00000100, // VZ ASE |
41 | AFL_ASE_MSA = 0x00000200, // MSA ASE |
42 | AFL_ASE_MIPS16 = 0x00000400, // MIPS16 ASE |
43 | AFL_ASE_MICROMIPS = 0x00000800, // MICROMIPS ASE |
44 | AFL_ASE_XPA = 0x00001000, // XPA ASE |
45 | AFL_ASE_CRC = 0x00008000, // CRC ASE |
46 | AFL_ASE_GINV = 0x00020000 // GINV ASE |
47 | }; |
48 | |
49 | // Values for the isa_ext word of an ABI flags structure. |
50 | enum AFL_EXT { |
51 | AFL_EXT_NONE = 0, // None |
52 | AFL_EXT_XLR = 1, // RMI Xlr instruction |
53 | AFL_EXT_OCTEON2 = 2, // Cavium Networks Octeon2 |
54 | AFL_EXT_OCTEONP = 3, // Cavium Networks OcteonP |
55 | AFL_EXT_LOONGSON_3A = 4, // Loongson 3A |
56 | AFL_EXT_OCTEON = 5, // Cavium Networks Octeon |
57 | AFL_EXT_5900 = 6, // MIPS R5900 instruction |
58 | AFL_EXT_4650 = 7, // MIPS R4650 instruction |
59 | AFL_EXT_4010 = 8, // LSI R4010 instruction |
60 | AFL_EXT_4100 = 9, // NEC VR4100 instruction |
61 | AFL_EXT_3900 = 10, // Toshiba R3900 instruction |
62 | AFL_EXT_10000 = 11, // MIPS R10000 instruction |
63 | AFL_EXT_SB1 = 12, // Broadcom SB-1 instruction |
64 | AFL_EXT_4111 = 13, // NEC VR4111/VR4181 instruction |
65 | AFL_EXT_4120 = 14, // NEC VR4120 instruction |
66 | AFL_EXT_5400 = 15, // NEC VR5400 instruction |
67 | AFL_EXT_5500 = 16, // NEC VR5500 instruction |
68 | AFL_EXT_LOONGSON_2E = 17, // ST Microelectronics Loongson 2E |
69 | AFL_EXT_LOONGSON_2F = 18, // ST Microelectronics Loongson 2F |
70 | AFL_EXT_OCTEON3 = 19 // Cavium Networks Octeon3 |
71 | }; |
72 | |
73 | // Values for the flags1 word of an ABI flags structure. |
74 | enum AFL_FLAGS1 { AFL_FLAGS1_ODDSPREG = 1 }; |
75 | |
76 | // MIPS object attribute tags |
77 | enum { |
78 | Tag_GNU_MIPS_ABI_FP = 4, // Floating-point ABI used by this object file |
79 | Tag_GNU_MIPS_ABI_MSA = 8, // MSA ABI used by this object file |
80 | }; |
81 | |
82 | // Values for the fp_abi word of an ABI flags structure |
83 | // and for the Tag_GNU_MIPS_ABI_FP attribute tag. |
84 | enum Val_GNU_MIPS_ABI_FP { |
85 | Val_GNU_MIPS_ABI_FP_ANY = 0, // not tagged |
86 | Val_GNU_MIPS_ABI_FP_DOUBLE = 1, // hard float / -mdouble-float |
87 | Val_GNU_MIPS_ABI_FP_SINGLE = 2, // hard float / -msingle-float |
88 | Val_GNU_MIPS_ABI_FP_SOFT = 3, // soft float |
89 | Val_GNU_MIPS_ABI_FP_OLD_64 = 4, // -mips32r2 -mfp64 |
90 | Val_GNU_MIPS_ABI_FP_XX = 5, // -mfpxx |
91 | Val_GNU_MIPS_ABI_FP_64 = 6, // -mips32r2 -mfp64 |
92 | Val_GNU_MIPS_ABI_FP_64A = 7 // -mips32r2 -mfp64 -mno-odd-spreg |
93 | }; |
94 | |
95 | // Values for the Tag_GNU_MIPS_ABI_MSA attribute tag. |
96 | enum Val_GNU_MIPS_ABI_MSA { |
97 | Val_GNU_MIPS_ABI_MSA_ANY = 0, // not tagged |
98 | Val_GNU_MIPS_ABI_MSA_128 = 1 // 128-bit MSA |
99 | }; |
100 | } |
101 | } |
102 | |
103 | #endif |
104 | |