xref: /openbmc/qemu/target/mips/mips-defs.h (revision 4d1524d2)
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_MIPS32        0x0000000000000020ULL
20 #define ISA_MIPS32R2      0x0000000000000040ULL
21 #define ISA_MIPS32R3      0x0000000000000200ULL
22 #define ISA_MIPS32R5      0x0000000000000800ULL
23 #define ISA_MIPS64R5      0x0000000000001000ULL
24 #define ISA_MIPS32R6      0x0000000000002000ULL
25 #define ISA_MIPS64R6      0x0000000000004000ULL
26 #define ISA_NANOMIPS32    0x0000000000008000ULL
27 /*
28  *   bits 24-39: MIPS ASEs
29  */
30 #define ASE_MIPS16        0x0000000001000000ULL
31 #define ASE_MIPS3D        0x0000000002000000ULL
32 #define ASE_MDMX          0x0000000004000000ULL
33 #define ASE_DSP           0x0000000008000000ULL
34 #define ASE_DSP_R2        0x0000000010000000ULL
35 #define ASE_DSP_R3        0x0000000020000000ULL
36 #define ASE_MT            0x0000000040000000ULL
37 #define ASE_SMARTMIPS     0x0000000080000000ULL
38 #define ASE_MICROMIPS     0x0000000100000000ULL
39 #define ASE_MSA           0x0000000200000000ULL
40 /*
41  *   bits 40-51: vendor-specific base instruction sets
42  */
43 #define INSN_VR54XX       0x0000010000000000ULL
44 #define INSN_R5900        0x0000020000000000ULL
45 #define INSN_LOONGSON2E   0x0000040000000000ULL
46 #define INSN_LOONGSON2F   0x0000080000000000ULL
47 #define INSN_LOONGSON3A   0x0000100000000000ULL
48 /*
49  *   bits 52-63: vendor-specific ASEs
50  */
51 /* MultiMedia Instructions defined by R5900 */
52 #define ASE_MMI           0x0010000000000000ULL
53 /* MIPS eXtension/enhanced Unit defined by Ingenic */
54 #define ASE_MXU           0x0020000000000000ULL
55 /* Loongson MultiMedia Instructions */
56 #define ASE_LMMI          0x0040000000000000ULL
57 /* Loongson EXTensions */
58 #define ASE_LEXT          0x0080000000000000ULL
59 
60 /* MIPS CPU defines. */
61 #define CPU_MIPS1       (ISA_MIPS1)
62 #define CPU_MIPS2       (CPU_MIPS1 | ISA_MIPS2)
63 #define CPU_MIPS3       (CPU_MIPS2 | ISA_MIPS3)
64 #define CPU_MIPS4       (CPU_MIPS3 | ISA_MIPS4)
65 #define CPU_MIPS5       (CPU_MIPS4 | ISA_MIPS5)
66 #define CPU_VR54XX      (CPU_MIPS4 | INSN_VR54XX)
67 #define CPU_R5900       (CPU_MIPS3 | INSN_R5900)
68 #define CPU_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
69 #define CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F | ASE_LMMI)
70 
71 #define CPU_MIPS64      (ISA_MIPS3)
72 
73 /* MIPS Technologies "Release 1" */
74 #define CPU_MIPS32R1    (CPU_MIPS2 | ISA_MIPS32)
75 #define CPU_MIPS64R1    (CPU_MIPS5 | CPU_MIPS32R1)
76 
77 /* MIPS Technologies "Release 2" */
78 #define CPU_MIPS32R2    (CPU_MIPS32R1 | ISA_MIPS32R2)
79 #define CPU_MIPS64R2    (CPU_MIPS64R1 | CPU_MIPS32R2)
80 
81 /* MIPS Technologies "Release 3" */
82 #define CPU_MIPS32R3    (CPU_MIPS32R2 | ISA_MIPS32R3)
83 #define CPU_MIPS64R3    (CPU_MIPS64R2 | CPU_MIPS32R3)
84 
85 /* MIPS Technologies "Release 5" */
86 #define CPU_MIPS32R5    (CPU_MIPS32R3 | ISA_MIPS32R5)
87 #define CPU_MIPS64R5    (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
88 
89 /* MIPS Technologies "Release 6" */
90 #define CPU_MIPS32R6    (CPU_MIPS32R5 | ISA_MIPS32R6)
91 #define CPU_MIPS64R6    (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
92 
93 /* Wave Computing: "nanoMIPS" */
94 #define CPU_NANOMIPS32  (CPU_MIPS32R6 | ISA_NANOMIPS32)
95 
96 #define CPU_LOONGSON3A  (CPU_MIPS64R2 | INSN_LOONGSON3A | ASE_LMMI | ASE_LEXT)
97 
98 /*
99  * Strictly follow the architecture standard:
100  * - Disallow "special" instruction handling for PMON/SPIM.
101  * Note that we still maintain Count/Compare to match the host clock.
102  *
103  * #define MIPS_STRICT_STANDARD 1
104  */
105 
106 #endif /* QEMU_MIPS_DEFS_H */
107