target-sh4: minor optimisations
[qemu.git] / target-mips / mips-defs.h
blob54e80f10e49ea9272658c7c43c96c650a555eafa
1 #if !defined (__QEMU_MIPS_DEFS_H__)
2 #define __QEMU_MIPS_DEFS_H__
4 /* If we want to use host float regs... */
5 //#define USE_HOST_FLOAT_REGS
7 /* Real pages are variable size... */
8 #define TARGET_PAGE_BITS 12
9 #define MIPS_TLB_MAX 128
11 #if defined(TARGET_MIPS64)
12 #define TARGET_LONG_BITS 64
13 #else
14 #define TARGET_LONG_BITS 32
15 #endif
17 /* Masks used to mark instructions to indicate which ISA level they
18 were introduced in. */
19 #define ISA_MIPS1 0x00000001
20 #define ISA_MIPS2 0x00000002
21 #define ISA_MIPS3 0x00000004
22 #define ISA_MIPS4 0x00000008
23 #define ISA_MIPS5 0x00000010
24 #define ISA_MIPS32 0x00000020
25 #define ISA_MIPS32R2 0x00000040
26 #define ISA_MIPS64 0x00000080
27 #define ISA_MIPS64R2 0x00000100
29 /* MIPS ASEs. */
30 #define ASE_MIPS16 0x00001000
31 #define ASE_MIPS3D 0x00002000
32 #define ASE_MDMX 0x00004000
33 #define ASE_DSP 0x00008000
34 #define ASE_DSPR2 0x00010000
35 #define ASE_MT 0x00020000
36 #define ASE_SMARTMIPS 0x00040000
38 /* Chip specific instructions. */
39 #define INSN_VR54XX 0x80000000
41 /* MIPS CPU defines. */
42 #define CPU_MIPS1 (ISA_MIPS1)
43 #define CPU_MIPS2 (CPU_MIPS1 | ISA_MIPS2)
44 #define CPU_MIPS3 (CPU_MIPS2 | ISA_MIPS3)
45 #define CPU_MIPS4 (CPU_MIPS3 | ISA_MIPS4)
46 #define CPU_VR54XX (CPU_MIPS4 | INSN_VR54XX)
48 #define CPU_MIPS5 (CPU_MIPS4 | ISA_MIPS5)
50 /* MIPS Technologies "Release 1" */
51 #define CPU_MIPS32 (CPU_MIPS2 | ISA_MIPS32)
52 #define CPU_MIPS64 (CPU_MIPS5 | CPU_MIPS32 | ISA_MIPS64)
54 /* MIPS Technologies "Release 2" */
55 #define CPU_MIPS32R2 (CPU_MIPS32 | ISA_MIPS32R2)
56 #define CPU_MIPS64R2 (CPU_MIPS64 | CPU_MIPS32R2 | ISA_MIPS64R2)
58 /* Strictly follow the architecture standard:
59 - Disallow "special" instruction handling for PMON/SPIM.
60 Note that we still maintain Count/Compare to match the host clock. */
61 //#define MIPS_STRICT_STANDARD 1
63 #endif /* !defined (__QEMU_MIPS_DEFS_H__) */