Merge saidi@zizzer:/z/m5/Bitkeeper/m5/
[gem5.git] / arch / alpha / ev5.hh
1 /* $Id$ */
2
3 #ifndef __EV5_H__
4 #define __EV5_H__
5
6 #ifndef SYSTEM_EV5
7 #error This code is only valid for EV5 systems
8 #endif
9
10 #include "targetarch/isa_traits.hh"
11
12 ////////////////////////////////////////////////////////////////////////
13 //
14 //
15 //
16
17 ////////////////////////////////////////////////////////////////////////
18 //
19 //
20 //
21
22 #define MODE2MASK(X) (1 << (X))
23
24 // Alpha IPR register accessors
25 #define PC_PAL(X) ((X) & 0x1)
26 #define MCSR_SP(X) (((X) >> 1) & 0x3)
27
28 #define ICSR_SDE(X) (((X) >> 30) & 0x1)
29 #define ICSR_SPE(X) (((X) >> 28) & 0x3)
30 #define ICSR_FPE(X) (((X) >> 26) & 0x1)
31
32 #define ALT_MODE_AM(X) (((X) >> 3) & 0x3)
33
34 #define DTB_CM_CM(X) (((X) >> 3) & 0x3)
35 #define DTB_ASN_ASN(X) (((X) >> 57) & 0xff)
36 #define DTB_PTE_PPN(X) (((X) >> 32) & 0x07fffffff)
37 #define DTB_PTE_XRE(X) (((X) >> 8) & 0xf)
38 #define DTB_PTE_XWE(X) (((X) >> 12) & 0xf)
39 #define DTB_PTE_FONR(X) (((X) >> 1) & 0x1)
40 #define DTB_PTE_FONW(X) (((X) >> 2) & 0x1)
41 #define DTB_PTE_GH(X) (((X) >> 5) & 0x3)
42 #define DTB_PTE_ASMA(X) (((X) >> 4) & 0x1)
43
44 #define ICM_CM(X) (((X) >> 3) & 0x3)
45 #define ITB_ASN_ASN(X) (((X) >> 4) & 0xff)
46 #define ITB_PTE_PPN(X) (((X) >> 32) & 0x07fffffff)
47 #define ITB_PTE_XRE(X) (((X) >> 8) & 0xf)
48 #define ITB_PTE_FONR(X) (((X) >> 1) & 0x1)
49 #define ITB_PTE_FONW(X) (((X) >> 2) & 0x1)
50 #define ITB_PTE_GH(X) (((X) >> 5) & 0x3)
51 #define ITB_PTE_ASMA(X) (((X) >> 4) & 0x1)
52
53 #define VA_UNIMPL_MASK ULL(0xfffff80000000000)
54 #define VA_IMPL_MASK ULL(0x000007ffffffffff)
55 #define VA_IMPL(X) ((X) & VA_IMPL_MASK)
56 #define VA_VPN(X) (VA_IMPL(X) >> 13)
57 #define VA_SPACE_EV5(X) (((X) >> 41) & 0x3)
58 #define VA_SPACE_EV6(X) (((X) >> 41) & 0x7f)
59 #define VA_POFS(X) ((X) & 0x1fff)
60
61 #define PA_IMPL_MASK ULL(0xfffffffffff) // for Tsunami
62 #define PA_UNCACHED_BIT_39 ULL(0x8000000000)
63 #define PA_UNCACHED_BIT_40 ULL(0x10000000000)
64 #define PA_UNCACHED_BIT_43 ULL(0x80000000000)
65 #define PA_UNCACHED_MASK ULL(0x807ffffffff) // Clear PA<42:35>
66 #define PA_IPR_SPACE(X) ((X) >= ULL(0xFFFFFF00000))
67
68 #define PA_PFN2PA(X) ((X) << 13)
69
70
71 #define MM_STAT_BAD_VA_MASK 0x0020
72 #define MM_STAT_DTB_MISS_MASK 0x0010
73 #define MM_STAT_FONW_MASK 0x0008
74 #define MM_STAT_FONR_MASK 0x0004
75 #define MM_STAT_ACV_MASK 0x0002
76 #define MM_STAT_WR_MASK 0x0001
77
78 #define OPCODE(X) (X >> 26) & 0x3f
79 #define RA(X) (X >> 21) & 0x1f
80
81 ////////////////////////////////////////////////////////////////////////
82 //
83 //
84 //
85
86 // VPTE size for HW_LD/HW_ST
87 #define HW_VPTE ((inst >> 11) & 0x1)
88
89 // QWORD size for HW_LD/HW_ST
90 #define HW_QWORD ((inst >> 12) & 0x1)
91
92 // ALT mode for HW_LD/HW_ST
93 #define HW_ALT (((inst >> 14) & 0x1) ? ALTMODE : 0)
94
95 // LOCK/COND mode for HW_LD/HW_ST
96 #define HW_LOCK (((inst >> 10) & 0x1) ? LOCKED : 0)
97 #define HW_COND (((inst >> 10) & 0x1) ? LOCKED : 0)
98
99 // PHY size for HW_LD/HW_ST
100 #define HW_PHY (((inst >> 15) & 0x1) ? PHYSICAL : 0)
101
102 // OFFSET for HW_LD/HW_ST
103 #define HW_OFS (inst & 0x3ff)
104
105
106 #define PAL_BASE 0x4000
107
108 #endif //__EV5_H__