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f5e706ad SR |
1 | #ifndef _SPARC64_HEAD_H |
2 | #define _SPARC64_HEAD_H | |
3 | ||
4 | #include <asm/pstate.h> | |
5 | ||
6 | /* wrpr %g0, val, %gl */ | |
7 | #define SET_GL(val) \ | |
8 | .word 0xa1902000 | val | |
9 | ||
10 | /* rdpr %gl, %gN */ | |
11 | #define GET_GL_GLOBAL(N) \ | |
12 | .word 0x81540000 | (N << 25) | |
13 | ||
14 | #define KERNBASE 0x400000 | |
15 | ||
16 | #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) | |
17 | ||
18 | #define __CHEETAH_ID 0x003e0014 | |
19 | #define __JALAPENO_ID 0x003e0016 | |
20 | #define __SERRANO_ID 0x003e0022 | |
21 | ||
22 | #define CHEETAH_MANUF 0x003e | |
23 | #define CHEETAH_IMPL 0x0014 /* Ultra-III */ | |
24 | #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ | |
25 | #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ | |
26 | #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ | |
27 | #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ | |
28 | #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ | |
29 | ||
30 | #define BRANCH_IF_SUN4V(tmp1,label) \ | |
31 | sethi %hi(is_sun4v), %tmp1; \ | |
32 | lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ | |
33 | brnz,pn %tmp1, label; \ | |
34 | nop | |
35 | ||
36 | #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ | |
37 | rdpr %ver, %tmp1; \ | |
38 | sethi %hi(__CHEETAH_ID), %tmp2; \ | |
39 | srlx %tmp1, 32, %tmp1; \ | |
40 | or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ | |
41 | cmp %tmp1, %tmp2; \ | |
42 | be,pn %icc, label; \ | |
43 | nop; | |
44 | ||
45 | #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ | |
46 | rdpr %ver, %tmp1; \ | |
47 | sethi %hi(__JALAPENO_ID), %tmp2; \ | |
48 | srlx %tmp1, 32, %tmp1; \ | |
49 | or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ | |
50 | cmp %tmp1, %tmp2; \ | |
51 | be,pn %icc, label; \ | |
52 | nop; | |
53 | ||
54 | #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ | |
55 | rdpr %ver, %tmp1; \ | |
56 | srlx %tmp1, (32 + 16), %tmp2; \ | |
57 | cmp %tmp2, CHEETAH_MANUF; \ | |
58 | bne,pt %xcc, 99f; \ | |
59 | sllx %tmp1, 16, %tmp1; \ | |
60 | srlx %tmp1, (32 + 16), %tmp2; \ | |
61 | cmp %tmp2, CHEETAH_PLUS_IMPL; \ | |
62 | bgeu,pt %xcc, label; \ | |
63 | 99: nop; | |
64 | ||
65 | #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ | |
66 | rdpr %ver, %tmp1; \ | |
67 | srlx %tmp1, (32 + 16), %tmp2; \ | |
68 | cmp %tmp2, CHEETAH_MANUF; \ | |
69 | bne,pt %xcc, 99f; \ | |
70 | sllx %tmp1, 16, %tmp1; \ | |
71 | srlx %tmp1, (32 + 16), %tmp2; \ | |
72 | cmp %tmp2, CHEETAH_IMPL; \ | |
73 | bgeu,pt %xcc, label; \ | |
74 | 99: nop; | |
75 | ||
76 | #endif /* !(_SPARC64_HEAD_H) */ |