xref: /openbmc/qemu/target/mips/mips-defs.h (revision 4b9fa0b4)
1 #ifndef QEMU_MIPS_DEFS_H
2 #define QEMU_MIPS_DEFS_H
3 
4 /*
5  * If we want to use host float regs...
6  *
7  * #define USE_HOST_FLOAT_REGS
8  */
9 
10 /* Real pages are variable size... */
11 #define MIPS_TLB_MAX 128
12 
13 /*
14  * bit definitions for insn_flags (ISAs/ASEs flags)
15  * ------------------------------------------------
16  */
17 /*
18  *   bits 0-31: MIPS base instruction sets
19  */
20 #define ISA_MIPS1         0x0000000000000001ULL
21 #define ISA_MIPS2         0x0000000000000002ULL
22 #define ISA_MIPS3         0x0000000000000004ULL
23 #define ISA_MIPS4         0x0000000000000008ULL
24 #define ISA_MIPS5         0x0000000000000010ULL
25 #define ISA_MIPS32        0x0000000000000020ULL
26 #define ISA_MIPS32R2      0x0000000000000040ULL
27 #define ISA_MIPS64        0x0000000000000080ULL
28 #define ISA_MIPS64R2      0x0000000000000100ULL
29 #define ISA_MIPS32R3      0x0000000000000200ULL
30 #define ISA_MIPS64R3      0x0000000000000400ULL
31 #define ISA_MIPS32R5      0x0000000000000800ULL
32 #define ISA_MIPS64R5      0x0000000000001000ULL
33 #define ISA_MIPS32R6      0x0000000000002000ULL
34 #define ISA_MIPS64R6      0x0000000000004000ULL
35 #define ISA_NANOMIPS32    0x0000000000008000ULL
36 /*
37  *   bits 32-47: MIPS ASEs
38  */
39 #define ASE_MIPS16        0x0000000100000000ULL
40 #define ASE_MIPS3D        0x0000000200000000ULL
41 #define ASE_MDMX          0x0000000400000000ULL
42 #define ASE_DSP           0x0000000800000000ULL
43 #define ASE_DSP_R2        0x0000001000000000ULL
44 #define ASE_DSP_R3        0x0000002000000000ULL
45 #define ASE_MT            0x0000004000000000ULL
46 #define ASE_SMARTMIPS     0x0000008000000000ULL
47 #define ASE_MICROMIPS     0x0000010000000000ULL
48 #define ASE_MSA           0x0000020000000000ULL
49 /*
50  *   bits 48-55: vendor-specific base instruction sets
51  */
52 #define INSN_LOONGSON2E   0x0001000000000000ULL
53 #define INSN_LOONGSON2F   0x0002000000000000ULL
54 #define INSN_VR54XX       0x0004000000000000ULL
55 #define INSN_R5900        0x0008000000000000ULL
56 /*
57  *   bits 56-63: vendor-specific ASEs
58  */
59 #define ASE_MMI           0x0100000000000000ULL
60 #define ASE_MXU           0x0200000000000000ULL
61 
62 /* MIPS CPU defines. */
63 #define CPU_MIPS1       (ISA_MIPS1)
64 #define CPU_MIPS2       (CPU_MIPS1 | ISA_MIPS2)
65 #define CPU_MIPS3       (CPU_MIPS2 | ISA_MIPS3)
66 #define CPU_MIPS4       (CPU_MIPS3 | ISA_MIPS4)
67 #define CPU_VR54XX      (CPU_MIPS4 | INSN_VR54XX)
68 #define CPU_R5900       (CPU_MIPS3 | INSN_R5900)
69 #define CPU_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
70 #define CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F)
71 
72 #define CPU_MIPS5       (CPU_MIPS4 | ISA_MIPS5)
73 
74 /* MIPS Technologies "Release 1" */
75 #define CPU_MIPS32      (CPU_MIPS2 | ISA_MIPS32)
76 #define CPU_MIPS64      (CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
77 
78 /* MIPS Technologies "Release 2" */
79 #define CPU_MIPS32R2    (CPU_MIPS32 | ISA_MIPS32R2)
80 #define CPU_MIPS64R2    (CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
81 
82 /* MIPS Technologies "Release 3" */
83 #define CPU_MIPS32R3    (CPU_MIPS32R2 | ISA_MIPS32R3)
84 #define CPU_MIPS64R3    (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
85 
86 /* MIPS Technologies "Release 5" */
87 #define CPU_MIPS32R5    (CPU_MIPS32R3 | ISA_MIPS32R5)
88 #define CPU_MIPS64R5    (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
89 
90 /* MIPS Technologies "Release 6" */
91 #define CPU_MIPS32R6    (CPU_MIPS32R5 | ISA_MIPS32R6)
92 #define CPU_MIPS64R6    (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
93 
94 /* Wave Computing: "nanoMIPS" */
95 #define CPU_NANOMIPS32  (CPU_MIPS32R6 | ISA_NANOMIPS32)
96 
97 /*
98  * Strictly follow the architecture standard:
99  * - Disallow "special" instruction handling for PMON/SPIM.
100  * Note that we still maintain Count/Compare to match the host clock.
101  *
102  * #define MIPS_STRICT_STANDARD 1
103  */
104 
105 #endif /* QEMU_MIPS_DEFS_H */
106