4
4
/* If we want to use host float regs... */
5
5
//#define USE_HOST_FLOAT_REGS
7
/* Real pages are variable size... */
7
/* real pages are variable size... */
8
8
#define TARGET_PAGE_BITS 12
9
9
#define MIPS_TLB_MAX 128
11
#if defined(TARGET_MIPS64)
12
12
#define TARGET_LONG_BITS 64
14
14
#define TARGET_LONG_BITS 32
17
/* Even MIPS32 can have 36 bits physical address space. */
18
#define TARGET_PHYS_ADDR_BITS 64
20
/* Masks used to mark instructions to indicate which ISA level they
21
were introduced in. */
22
#define ISA_MIPS1 0x00000001
23
#define ISA_MIPS2 0x00000002
24
#define ISA_MIPS3 0x00000004
25
#define ISA_MIPS4 0x00000008
26
#define ISA_MIPS5 0x00000010
27
#define ISA_MIPS32 0x00000020
28
#define ISA_MIPS32R2 0x00000040
29
#define ISA_MIPS64 0x00000080
30
#define ISA_MIPS64R2 0x00000100
33
#define ASE_MIPS16 0x00001000
34
#define ASE_MIPS3D 0x00002000
35
#define ASE_MDMX 0x00004000
36
#define ASE_DSP 0x00008000
37
#define ASE_DSPR2 0x00010000
38
#define ASE_MT 0x00020000
39
#define ASE_SMARTMIPS 0x00040000
41
/* Chip specific instructions. */
42
#define INSN_VR54XX 0x80000000
44
/* MIPS CPU defines. */
45
#define CPU_MIPS1 (ISA_MIPS1)
46
#define CPU_MIPS2 (CPU_MIPS1 | ISA_MIPS2)
47
#define CPU_MIPS3 (CPU_MIPS2 | ISA_MIPS3)
48
#define CPU_MIPS4 (CPU_MIPS3 | ISA_MIPS4)
49
#define CPU_VR54XX (CPU_MIPS4 | INSN_VR54XX)
51
#define CPU_MIPS5 (CPU_MIPS4 | ISA_MIPS5)
53
/* MIPS Technologies "Release 1" */
54
#define CPU_MIPS32 (CPU_MIPS2 | ISA_MIPS32)
55
#define CPU_MIPS64 (CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
57
/* MIPS Technologies "Release 2" */
58
#define CPU_MIPS32R2 (CPU_MIPS32 | ISA_MIPS32R2)
59
#define CPU_MIPS64R2 (CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
61
17
/* Strictly follow the architecture standard:
62
18
- Disallow "special" instruction handling for PMON/SPIM.
63
19
Note that we still maintain Count/Compare to match the host clock. */