xref: /openbmc/qemu/target/mips/mips-defs.h (revision b91a0fa7)
1 #ifndef QEMU_MIPS_DEFS_H
2 #define QEMU_MIPS_DEFS_H
3 
4 /* Real pages are variable size... */
5 #define MIPS_TLB_MAX 128
6 
7 /*
8  * bit definitions for insn_flags (ISAs/ASEs flags)
9  * ------------------------------------------------
10  */
11 /*
12  *   bits 0-23: MIPS base instruction sets
13  */
14 #define ISA_MIPS1         0x0000000000000001ULL
15 #define ISA_MIPS2         0x0000000000000002ULL
16 #define ISA_MIPS3         0x0000000000000004ULL /* 64-bit */
17 #define ISA_MIPS4         0x0000000000000008ULL
18 #define ISA_MIPS5         0x0000000000000010ULL
19 #define ISA_MIPS_R1       0x0000000000000020ULL
20 #define ISA_MIPS_R2       0x0000000000000040ULL
21 #define ISA_MIPS_R3       0x0000000000000080ULL
22 #define ISA_MIPS_R5       0x0000000000000100ULL
23 #define ISA_MIPS_R6       0x0000000000000200ULL
24 #define ISA_NANOMIPS32    0x0000000000008000ULL
25 /*
26  *   bits 24-39: MIPS ASEs
27  */
28 #define ASE_MIPS16        0x0000000001000000ULL
29 #define ASE_MIPS3D        0x0000000002000000ULL
30 #define ASE_MDMX          0x0000000004000000ULL
31 #define ASE_DSP           0x0000000008000000ULL
32 #define ASE_DSP_R2        0x0000000010000000ULL
33 #define ASE_DSP_R3        0x0000000020000000ULL
34 #define ASE_MT            0x0000000040000000ULL
35 #define ASE_SMARTMIPS     0x0000000080000000ULL
36 #define ASE_MICROMIPS     0x0000000100000000ULL
37 /*
38  *   bits 40-51: vendor-specific base instruction sets
39  */
40 #define INSN_VR54XX       0x0000010000000000ULL
41 #define INSN_R5900        0x0000020000000000ULL
42 #define INSN_LOONGSON2E   0x0000040000000000ULL
43 #define INSN_LOONGSON2F   0x0000080000000000ULL
44 #define INSN_LOONGSON3A   0x0000100000000000ULL
45 /*
46  *   bits 52-63: vendor-specific ASEs
47  */
48 /* MultiMedia Instructions defined by R5900 */
49 #define ASE_MMI           0x0010000000000000ULL
50 /* MIPS eXtension/enhanced Unit defined by Ingenic */
51 #define ASE_MXU           0x0020000000000000ULL
52 /* Loongson MultiMedia Instructions */
53 #define ASE_LMMI          0x0040000000000000ULL
54 /* Loongson EXTensions */
55 #define ASE_LEXT          0x0080000000000000ULL
56 
57 /* MIPS CPU defines. */
58 #define CPU_MIPS1       (ISA_MIPS1)
59 #define CPU_MIPS2       (CPU_MIPS1 | ISA_MIPS2)
60 #define CPU_MIPS3       (CPU_MIPS2 | ISA_MIPS3)
61 #define CPU_MIPS4       (CPU_MIPS3 | ISA_MIPS4)
62 #define CPU_MIPS5       (CPU_MIPS4 | ISA_MIPS5)
63 
64 #define CPU_MIPS64      (ISA_MIPS3)
65 
66 /* MIPS Technologies "Release 1" */
67 #define CPU_MIPS32R1    (CPU_MIPS2 | ISA_MIPS_R1)
68 #define CPU_MIPS64R1    (CPU_MIPS5 | CPU_MIPS32R1)
69 
70 /* MIPS Technologies "Release 2" */
71 #define CPU_MIPS32R2    (CPU_MIPS32R1 | ISA_MIPS_R2)
72 #define CPU_MIPS64R2    (CPU_MIPS64R1 | CPU_MIPS32R2)
73 
74 /* MIPS Technologies "Release 3" */
75 #define CPU_MIPS32R3    (CPU_MIPS32R2 | ISA_MIPS_R3)
76 #define CPU_MIPS64R3    (CPU_MIPS64R2 | CPU_MIPS32R3)
77 
78 /* MIPS Technologies "Release 5" */
79 #define CPU_MIPS32R5    (CPU_MIPS32R3 | ISA_MIPS_R5)
80 #define CPU_MIPS64R5    (CPU_MIPS64R3 | CPU_MIPS32R5)
81 
82 /* MIPS Technologies "Release 6" */
83 #define CPU_MIPS32R6    (CPU_MIPS32R5 | ISA_MIPS_R6)
84 #define CPU_MIPS64R6    (CPU_MIPS64R5 | CPU_MIPS32R6)
85 
86 /*
87  * Strictly follow the architecture standard:
88  * - Disallow "special" instruction handling for PMON/SPIM.
89  * Note that we still maintain Count/Compare to match the host clock.
90  *
91  * #define MIPS_STRICT_STANDARD 1
92  */
93 
94 #endif /* QEMU_MIPS_DEFS_H */
95