Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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 /* wrpr %g0, val, %gl */
8#define SET_GL(val) \
9 .word 0xa1902000 | val
10
11 /* rdpr %gl, %gN */
12#define GET_GL_GLOBAL(N) \
13 .word 0x81540000 | (N << 25)
14
15#define KERNBASE 0x400000
16
17#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
18
19#define __CHEETAH_ID 0x003e0014
20#define __JALAPENO_ID 0x003e0016
21#define __SERRANO_ID 0x003e0022
22
23#define CHEETAH_MANUF 0x003e
24#define CHEETAH_IMPL 0x0014 /* Ultra-III */
25#define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */
26#define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */
27#define JAGUAR_IMPL 0x0018 /* Ultra-IV */
28#define PANTHER_IMPL 0x0019 /* Ultra-IV+ */
29#define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */
30
31#define BRANCH_IF_SUN4V(tmp1,label) \
32 sethi %hi(is_sun4v), %tmp1; \
33 lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \
34 brnz,pn %tmp1, label; \
35 nop
36
37#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
38 rdpr %ver, %tmp1; \
39 sethi %hi(__CHEETAH_ID), %tmp2; \
40 srlx %tmp1, 32, %tmp1; \
41 or %tmp2, %lo(__CHEETAH_ID), %tmp2;\
42 cmp %tmp1, %tmp2; \
43 be,pn %icc, label; \
44 nop;
45
46#define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \
47 rdpr %ver, %tmp1; \
48 sethi %hi(__JALAPENO_ID), %tmp2; \
49 srlx %tmp1, 32, %tmp1; \
50 or %tmp2, %lo(__JALAPENO_ID), %tmp2;\
51 cmp %tmp1, %tmp2; \
52 be,pn %icc, label; \
53 nop;
54
55#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \
56 rdpr %ver, %tmp1; \
57 srlx %tmp1, (32 + 16), %tmp2; \
58 cmp %tmp2, CHEETAH_MANUF; \
59 bne,pt %xcc, 99f; \
60 sllx %tmp1, 16, %tmp1; \
61 srlx %tmp1, (32 + 16), %tmp2; \
62 cmp %tmp2, CHEETAH_PLUS_IMPL; \
63 bgeu,pt %xcc, label; \
6499: nop;
65
66#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \
67 rdpr %ver, %tmp1; \
68 srlx %tmp1, (32 + 16), %tmp2; \
69 cmp %tmp2, CHEETAH_MANUF; \
70 bne,pt %xcc, 99f; \
71 sllx %tmp1, 16, %tmp1; \
72 srlx %tmp1, (32 + 16), %tmp2; \
73 cmp %tmp2, CHEETAH_IMPL; \
74 bgeu,pt %xcc, label; \
7599: nop;
76
77#endif /* !(_SPARC64_HEAD_H) */