Automatic merge with /usr/src/ntfs-2.6.git
[linux-2.6] / include / asm-sparc64 / head.h
1 /* $Id: head.h,v 1.30 1997/08/08 08:34:33 jj Exp $ */
2 #ifndef _SPARC64_HEAD_H
3 #define _SPARC64_HEAD_H
4
5 #include <asm/pstate.h>
6
7 #define KERNBASE        0x400000
8
9 #define PTREGS_OFF      (STACK_BIAS + STACKFRAME_SZ)
10
11 #define __CHEETAH_ID    0x003e0014
12 #define __JALAPENO_ID   0x003e0016
13
14 #define CHEETAH_MANUF           0x003e
15 #define CHEETAH_IMPL            0x0014
16 #define CHEETAH_PLUS_IMPL       0x0015
17 #define JALAPENO_IMPL           0x0016
18
19 #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
20         rdpr    %ver, %tmp1;                    \
21         sethi   %hi(__CHEETAH_ID), %tmp2;       \
22         srlx    %tmp1, 32, %tmp1;               \
23         or      %tmp2, %lo(__CHEETAH_ID), %tmp2;\
24         cmp     %tmp1, %tmp2;                   \
25         be,pn   %icc, label;                    \
26          nop;
27
28 #define BRANCH_IF_JALAPENO(tmp1,tmp2,label)     \
29         rdpr    %ver, %tmp1;                    \
30         sethi   %hi(__JALAPENO_ID), %tmp2;      \
31         srlx    %tmp1, 32, %tmp1;               \
32         or      %tmp2, %lo(__JALAPENO_ID), %tmp2;\
33         cmp     %tmp1, %tmp2;                   \
34         be,pn   %icc, label;                    \
35          nop;
36
37 #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)     \
38         rdpr    %ver, %tmp1;                    \
39         srlx    %tmp1, (32 + 16), %tmp2;        \
40         cmp     %tmp2, CHEETAH_MANUF;           \
41         bne,pt  %xcc, 99f;                      \
42          sllx   %tmp1, 16, %tmp1;               \
43         srlx    %tmp1, (32 + 16), %tmp2;        \
44         cmp     %tmp2, CHEETAH_PLUS_IMPL;       \
45         bgeu,pt %xcc, label;                    \
46 99:      nop;
47
48 #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)  \
49         rdpr    %ver, %tmp1;                    \
50         srlx    %tmp1, (32 + 16), %tmp2;        \
51         cmp     %tmp2, CHEETAH_MANUF;           \
52         bne,pt  %xcc, 99f;                      \
53          sllx   %tmp1, 16, %tmp1;               \
54         srlx    %tmp1, (32 + 16), %tmp2;        \
55         cmp     %tmp2, CHEETAH_IMPL;            \
56         bgeu,pt %xcc, label;                    \
57 99:      nop;
58
59 #endif /* !(_SPARC64_HEAD_H) */