xref: /openbmc/qemu/target/mips/mips-defs.h (revision dc41aa7d)
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 /* Masks used to mark instructions to indicate which ISA level they
26    were introduced in. */
27 #define		ISA_MIPS1	0x00000001
28 #define		ISA_MIPS2	0x00000002
29 #define		ISA_MIPS3	0x00000004
30 #define		ISA_MIPS4	0x00000008
31 #define		ISA_MIPS5	0x00000010
32 #define		ISA_MIPS32	0x00000020
33 #define		ISA_MIPS32R2	0x00000040
34 #define		ISA_MIPS64	0x00000080
35 #define		ISA_MIPS64R2	0x00000100
36 #define   ISA_MIPS32R3  0x00000200
37 #define   ISA_MIPS64R3  0x00000400
38 #define   ISA_MIPS32R5  0x00000800
39 #define   ISA_MIPS64R5  0x00001000
40 #define   ISA_MIPS32R6  0x00002000
41 #define   ISA_MIPS64R6  0x00004000
42 
43 /* MIPS ASEs. */
44 #define   ASE_MIPS16    0x00010000
45 #define   ASE_MIPS3D    0x00020000
46 #define   ASE_MDMX      0x00040000
47 #define   ASE_DSP       0x00080000
48 #define   ASE_DSPR2     0x00100000
49 #define   ASE_MT        0x00200000
50 #define   ASE_SMARTMIPS 0x00400000
51 #define   ASE_MICROMIPS 0x00800000
52 #define   ASE_MSA       0x01000000
53 
54 /* Chip specific instructions. */
55 #define		INSN_LOONGSON2E  0x20000000
56 #define		INSN_LOONGSON2F  0x40000000
57 #define		INSN_VR54XX	0x80000000
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_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
66 #define		CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F)
67 
68 #define		CPU_MIPS5	(CPU_MIPS4 | ISA_MIPS5)
69 
70 /* MIPS Technologies "Release 1" */
71 #define		CPU_MIPS32	(CPU_MIPS2 | ISA_MIPS32)
72 #define		CPU_MIPS64	(CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
73 
74 /* MIPS Technologies "Release 2" */
75 #define		CPU_MIPS32R2	(CPU_MIPS32 | ISA_MIPS32R2)
76 #define		CPU_MIPS64R2	(CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
77 
78 /* MIPS Technologies "Release 3" */
79 #define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
80 #define CPU_MIPS64R3 (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
81 
82 /* MIPS Technologies "Release 5" */
83 #define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
84 #define CPU_MIPS64R5 (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
85 
86 /* MIPS Technologies "Release 6" */
87 #define CPU_MIPS32R6 (CPU_MIPS32R5 | ISA_MIPS32R6)
88 #define CPU_MIPS64R6 (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
89 
90 /* Strictly follow the architecture standard:
91    - Disallow "special" instruction handling for PMON/SPIM.
92    Note that we still maintain Count/Compare to match the host clock. */
93 //#define MIPS_STRICT_STANDARD 1
94 
95 #endif /* QEMU_MIPS_DEFS_H */
96