xref: /openbmc/qemu/target/mips/mips-defs.h (revision 37677d7d)
1 #ifndef QEMU_MIPS_DEFS_H
2 #define QEMU_MIPS_DEFS_H
3 
4 /* If we want to use host float regs... */
5 //#define USE_HOST_FLOAT_REGS
6 
7 /* Real pages are variable size... */
8 #define MIPS_TLB_MAX 128
9 
10 /*
11  * bit definitions for insn_flags (ISAs/ASEs flags)
12  * ------------------------------------------------
13  */
14 /*
15  *   bits 0-31: MIPS base instruction sets
16  */
17 #define ISA_MIPS1         0x0000000000000001ULL
18 #define ISA_MIPS2         0x0000000000000002ULL
19 #define ISA_MIPS3         0x0000000000000004ULL
20 #define ISA_MIPS4         0x0000000000000008ULL
21 #define ISA_MIPS5         0x0000000000000010ULL
22 #define ISA_MIPS32        0x0000000000000020ULL
23 #define ISA_MIPS32R2      0x0000000000000040ULL
24 #define ISA_MIPS64        0x0000000000000080ULL
25 #define ISA_MIPS64R2      0x0000000000000100ULL
26 #define ISA_MIPS32R3      0x0000000000000200ULL
27 #define ISA_MIPS64R3      0x0000000000000400ULL
28 #define ISA_MIPS32R5      0x0000000000000800ULL
29 #define ISA_MIPS64R5      0x0000000000001000ULL
30 #define ISA_MIPS32R6      0x0000000000002000ULL
31 #define ISA_MIPS64R6      0x0000000000004000ULL
32 #define ISA_NANOMIPS32    0x0000000000008000ULL
33 /*
34  *   bits 32-47: MIPS ASEs
35  */
36 #define ASE_MIPS16        0x0000000100000000ULL
37 #define ASE_MIPS3D        0x0000000200000000ULL
38 #define ASE_MDMX          0x0000000400000000ULL
39 #define ASE_DSP           0x0000000800000000ULL
40 #define ASE_DSP_R2        0x0000001000000000ULL
41 #define ASE_DSP_R3        0x0000002000000000ULL
42 #define ASE_MT            0x0000004000000000ULL
43 #define ASE_SMARTMIPS     0x0000008000000000ULL
44 #define ASE_MICROMIPS     0x0000010000000000ULL
45 #define ASE_MSA           0x0000020000000000ULL
46 /*
47  *   bits 48-55: vendor-specific base instruction sets
48  */
49 #define INSN_LOONGSON2E   0x0001000000000000ULL
50 #define INSN_LOONGSON2F   0x0002000000000000ULL
51 #define INSN_VR54XX       0x0004000000000000ULL
52 #define INSN_R5900        0x0008000000000000ULL
53 /*
54  *   bits 56-63: vendor-specific ASEs
55  */
56 #define ASE_MMI           0x0100000000000000ULL
57 #define ASE_MXU           0x0200000000000000ULL
58 
59 /* MIPS CPU defines. */
60 #define		CPU_MIPS1	(ISA_MIPS1)
61 #define		CPU_MIPS2	(CPU_MIPS1 | ISA_MIPS2)
62 #define		CPU_MIPS3	(CPU_MIPS2 | ISA_MIPS3)
63 #define		CPU_MIPS4	(CPU_MIPS3 | ISA_MIPS4)
64 #define		CPU_VR54XX	(CPU_MIPS4 | INSN_VR54XX)
65 #define         CPU_R5900       (CPU_MIPS3 | INSN_R5900)
66 #define		CPU_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
67 #define		CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F)
68 
69 #define		CPU_MIPS5	(CPU_MIPS4 | ISA_MIPS5)
70 
71 /* MIPS Technologies "Release 1" */
72 #define		CPU_MIPS32	(CPU_MIPS2 | ISA_MIPS32)
73 #define		CPU_MIPS64	(CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
74 
75 /* MIPS Technologies "Release 2" */
76 #define		CPU_MIPS32R2	(CPU_MIPS32 | ISA_MIPS32R2)
77 #define		CPU_MIPS64R2	(CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
78 
79 /* MIPS Technologies "Release 3" */
80 #define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
81 #define CPU_MIPS64R3 (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
82 
83 /* MIPS Technologies "Release 5" */
84 #define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
85 #define CPU_MIPS64R5 (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
86 
87 /* MIPS Technologies "Release 6" */
88 #define CPU_MIPS32R6 (CPU_MIPS32R5 | ISA_MIPS32R6)
89 #define CPU_MIPS64R6 (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
90 
91 /* Wave Computing: "nanoMIPS" */
92 #define CPU_NANOMIPS32 (CPU_MIPS32R6 | ISA_NANOMIPS32)
93 
94 /* Strictly follow the architecture standard:
95    - Disallow "special" instruction handling for PMON/SPIM.
96    Note that we still maintain Count/Compare to match the host clock. */
97 //#define MIPS_STRICT_STANDARD 1
98 
99 #endif /* QEMU_MIPS_DEFS_H */
100