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1da177e4 LT |
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) */ |