xref: /openbmc/qemu/target/mips/mips-defs.h (revision 0b8f7448)
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 TARGET_PAGE_BITS 12
9 #define MIPS_TLB_MAX 128
10 
11 #if defined(TARGET_MIPS64)
12 #define TARGET_LONG_BITS 64
13 #define TARGET_PHYS_ADDR_SPACE_BITS 48
14 #define TARGET_VIRT_ADDR_SPACE_BITS 48
15 #else
16 #define TARGET_LONG_BITS 32
17 #define TARGET_PHYS_ADDR_SPACE_BITS 40
18 # ifdef CONFIG_USER_ONLY
19 #  define TARGET_VIRT_ADDR_SPACE_BITS 31
20 # else
21 #  define TARGET_VIRT_ADDR_SPACE_BITS 32
22 #endif
23 #endif
24 
25 /*
26  * bit definitions for insn_flags (ISAs/ASEs flags)
27  * ------------------------------------------------
28  */
29 /*
30  *   bits 0-31: MIPS base instruction sets
31  */
32 #define ISA_MIPS1         0x0000000000000001ULL
33 #define ISA_MIPS2         0x0000000000000002ULL
34 #define ISA_MIPS3         0x0000000000000004ULL
35 #define ISA_MIPS4         0x0000000000000008ULL
36 #define ISA_MIPS5         0x0000000000000010ULL
37 #define ISA_MIPS32        0x0000000000000020ULL
38 #define ISA_MIPS32R2      0x0000000000000040ULL
39 #define ISA_MIPS64        0x0000000000000080ULL
40 #define ISA_MIPS64R2      0x0000000000000100ULL
41 #define ISA_MIPS32R3      0x0000000000000200ULL
42 #define ISA_MIPS64R3      0x0000000000000400ULL
43 #define ISA_MIPS32R5      0x0000000000000800ULL
44 #define ISA_MIPS64R5      0x0000000000001000ULL
45 #define ISA_MIPS32R6      0x0000000000002000ULL
46 #define ISA_MIPS64R6      0x0000000000004000ULL
47 #define ISA_NANOMIPS32    0x0000000000008000ULL
48 /*
49  *   bits 32-47: MIPS ASEs
50  */
51 #define ASE_MIPS16        0x0000000100000000ULL
52 #define ASE_MIPS3D        0x0000000200000000ULL
53 #define ASE_MDMX          0x0000000400000000ULL
54 #define ASE_DSP           0x0000000800000000ULL
55 #define ASE_DSP_R2        0x0000001000000000ULL
56 #define ASE_DSP_R3        0x0000002000000000ULL
57 #define ASE_MT            0x0000004000000000ULL
58 #define ASE_SMARTMIPS     0x0000008000000000ULL
59 #define ASE_MICROMIPS     0x0000010000000000ULL
60 #define ASE_MSA           0x0000020000000000ULL
61 /*
62  *   bits 48-55: vendor-specific base instruction sets
63  */
64 #define INSN_LOONGSON2E   0x0001000000000000ULL
65 #define INSN_LOONGSON2F   0x0002000000000000ULL
66 #define INSN_VR54XX       0x0004000000000000ULL
67 #define INSN_R5900        0x0008000000000000ULL
68 /*
69  *   bits 56-63: vendor-specific ASEs
70  */
71 #define ASE_MMI           0x0100000000000000ULL
72 #define ASE_MXU           0x0200000000000000ULL
73 
74 /* MIPS CPU defines. */
75 #define		CPU_MIPS1	(ISA_MIPS1)
76 #define		CPU_MIPS2	(CPU_MIPS1 | ISA_MIPS2)
77 #define		CPU_MIPS3	(CPU_MIPS2 | ISA_MIPS3)
78 #define		CPU_MIPS4	(CPU_MIPS3 | ISA_MIPS4)
79 #define		CPU_VR54XX	(CPU_MIPS4 | INSN_VR54XX)
80 #define         CPU_R5900       (CPU_MIPS3 | INSN_R5900)
81 #define		CPU_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
82 #define		CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F)
83 
84 #define		CPU_MIPS5	(CPU_MIPS4 | ISA_MIPS5)
85 
86 /* MIPS Technologies "Release 1" */
87 #define		CPU_MIPS32	(CPU_MIPS2 | ISA_MIPS32)
88 #define		CPU_MIPS64	(CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
89 
90 /* MIPS Technologies "Release 2" */
91 #define		CPU_MIPS32R2	(CPU_MIPS32 | ISA_MIPS32R2)
92 #define		CPU_MIPS64R2	(CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
93 
94 /* MIPS Technologies "Release 3" */
95 #define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
96 #define CPU_MIPS64R3 (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
97 
98 /* MIPS Technologies "Release 5" */
99 #define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
100 #define CPU_MIPS64R5 (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
101 
102 /* MIPS Technologies "Release 6" */
103 #define CPU_MIPS32R6 (CPU_MIPS32R5 | ISA_MIPS32R6)
104 #define CPU_MIPS64R6 (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
105 
106 /* Wave Computing: "nanoMIPS" */
107 #define CPU_NANOMIPS32 (CPU_MIPS32R6 | ISA_NANOMIPS32)
108 
109 /* Strictly follow the architecture standard:
110    - Disallow "special" instruction handling for PMON/SPIM.
111    Note that we still maintain Count/Compare to match the host clock. */
112 //#define MIPS_STRICT_STANDARD 1
113 
114 #endif /* QEMU_MIPS_DEFS_H */
115