xref: /openbmc/qemu/target/mips/mips-defs.h (revision 225adf16)
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 #define TARGET_VIRT_ADDR_SPACE_BITS 32
19 #endif
20 
21 /* Masks used to mark instructions to indicate which ISA level they
22    were introduced in. */
23 #define		ISA_MIPS1	0x00000001
24 #define		ISA_MIPS2	0x00000002
25 #define		ISA_MIPS3	0x00000004
26 #define		ISA_MIPS4	0x00000008
27 #define		ISA_MIPS5	0x00000010
28 #define		ISA_MIPS32	0x00000020
29 #define		ISA_MIPS32R2	0x00000040
30 #define		ISA_MIPS64	0x00000080
31 #define		ISA_MIPS64R2	0x00000100
32 #define   ISA_MIPS32R3  0x00000200
33 #define   ISA_MIPS64R3  0x00000400
34 #define   ISA_MIPS32R5  0x00000800
35 #define   ISA_MIPS64R5  0x00001000
36 #define   ISA_MIPS32R6  0x00002000
37 #define   ISA_MIPS64R6  0x00004000
38 
39 /* MIPS ASEs. */
40 #define   ASE_MIPS16    0x00010000
41 #define   ASE_MIPS3D    0x00020000
42 #define   ASE_MDMX      0x00040000
43 #define   ASE_DSP       0x00080000
44 #define   ASE_DSPR2     0x00100000
45 #define   ASE_MT        0x00200000
46 #define   ASE_SMARTMIPS 0x00400000
47 #define   ASE_MICROMIPS 0x00800000
48 #define   ASE_MSA       0x01000000
49 
50 /* Chip specific instructions. */
51 #define		INSN_LOONGSON2E  0x20000000
52 #define		INSN_LOONGSON2F  0x40000000
53 #define		INSN_VR54XX	0x80000000
54 
55 /* MIPS CPU defines. */
56 #define		CPU_MIPS1	(ISA_MIPS1)
57 #define		CPU_MIPS2	(CPU_MIPS1 | ISA_MIPS2)
58 #define		CPU_MIPS3	(CPU_MIPS2 | ISA_MIPS3)
59 #define		CPU_MIPS4	(CPU_MIPS3 | ISA_MIPS4)
60 #define		CPU_VR54XX	(CPU_MIPS4 | INSN_VR54XX)
61 #define		CPU_LOONGSON2E  (CPU_MIPS3 | INSN_LOONGSON2E)
62 #define		CPU_LOONGSON2F  (CPU_MIPS3 | INSN_LOONGSON2F)
63 
64 #define		CPU_MIPS5	(CPU_MIPS4 | ISA_MIPS5)
65 
66 /* MIPS Technologies "Release 1" */
67 #define		CPU_MIPS32	(CPU_MIPS2 | ISA_MIPS32)
68 #define		CPU_MIPS64	(CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
69 
70 /* MIPS Technologies "Release 2" */
71 #define		CPU_MIPS32R2	(CPU_MIPS32 | ISA_MIPS32R2)
72 #define		CPU_MIPS64R2	(CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
73 
74 /* MIPS Technologies "Release 3" */
75 #define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
76 #define CPU_MIPS64R3 (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
77 
78 /* MIPS Technologies "Release 5" */
79 #define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
80 #define CPU_MIPS64R5 (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
81 
82 /* MIPS Technologies "Release 6" */
83 #define CPU_MIPS32R6 (CPU_MIPS32R5 | ISA_MIPS32R6)
84 #define CPU_MIPS64R6 (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
85 
86 /* Strictly follow the architecture standard:
87    - Disallow "special" instruction handling for PMON/SPIM.
88    Note that we still maintain Count/Compare to match the host clock. */
89 //#define MIPS_STRICT_STANDARD 1
90 
91 #endif /* QEMU_MIPS_DEFS_H */
92