blob: 10e9dabc4c41337c9f4a1dfc970aa22e9e24436f [file] [log] [blame]
Sam Ravnborgf5e706a2008-07-17 21:55:51 -07001#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; \
6399: 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; \
7499: nop;
75
76#endif /* !(_SPARC64_HEAD_H) */