locore.h revision 1.3.6.2 1 1.3.6.2 uebayasi /* $NetBSD: locore.h,v 1.3.6.2 2010/04/30 14:39:52 uebayasi Exp $ */
2 1.3.6.2 uebayasi
3 1.3.6.2 uebayasi /*
4 1.3.6.2 uebayasi * Copyright (c) 1996-2002 Eduardo Horvath
5 1.3.6.2 uebayasi * All rights reserved.
6 1.3.6.2 uebayasi *
7 1.3.6.2 uebayasi * Redistribution and use in source and binary forms, with or without
8 1.3.6.2 uebayasi * modification, are permitted provided that the following conditions
9 1.3.6.2 uebayasi * are met:
10 1.3.6.2 uebayasi * 1. Redistributions of source code must retain the above copyright
11 1.3.6.2 uebayasi * notice, this list of conditions and the following disclaimer.
12 1.3.6.2 uebayasi *
13 1.3.6.2 uebayasi * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
14 1.3.6.2 uebayasi * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 1.3.6.2 uebayasi * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 1.3.6.2 uebayasi * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
17 1.3.6.2 uebayasi * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 1.3.6.2 uebayasi * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 1.3.6.2 uebayasi * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 1.3.6.2 uebayasi * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 1.3.6.2 uebayasi * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 1.3.6.2 uebayasi * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 1.3.6.2 uebayasi * SUCH DAMAGE.
24 1.3.6.2 uebayasi *
25 1.3.6.2 uebayasi */
26 1.3.6.2 uebayasi
27 1.3.6.2 uebayasi #undef CURLWP
28 1.3.6.2 uebayasi #undef CPCB
29 1.3.6.2 uebayasi #undef FPLWP
30 1.3.6.2 uebayasi
31 1.3.6.2 uebayasi #define CURLWP (CPUINFO_VA + CI_CURLWP)
32 1.3.6.2 uebayasi #define CPCB (CPUINFO_VA + CI_CPCB)
33 1.3.6.2 uebayasi #define FPLWP (CPUINFO_VA + CI_FPLWP)
34 1.3.6.2 uebayasi
35 1.3.6.2 uebayasi /*
36 1.3.6.2 uebayasi * Here are some defines to try to maintain consistency but still
37 1.3.6.2 uebayasi * support 32-and 64-bit compilers.
38 1.3.6.2 uebayasi */
39 1.3.6.2 uebayasi #ifdef _LP64
40 1.3.6.2 uebayasi /* reg that points to base of data/text segment */
41 1.3.6.2 uebayasi #define BASEREG %g4
42 1.3.6.2 uebayasi /* first constants for storage allocation */
43 1.3.6.2 uebayasi #define LNGSZ 8
44 1.3.6.2 uebayasi #define LNGSHFT 3
45 1.3.6.2 uebayasi #define PTRSZ 8
46 1.3.6.2 uebayasi #define PTRSHFT 3
47 1.3.6.2 uebayasi #define POINTER .xword
48 1.3.6.2 uebayasi #define ULONG .xword
49 1.3.6.2 uebayasi /* Now instructions to load/store pointers & long ints */
50 1.3.6.2 uebayasi #define LDLNG ldx
51 1.3.6.2 uebayasi #define LDULNG ldx
52 1.3.6.2 uebayasi #define STLNG stx
53 1.3.6.2 uebayasi #define STULNG stx
54 1.3.6.2 uebayasi #define LDPTR ldx
55 1.3.6.2 uebayasi #define LDPTRA ldxa
56 1.3.6.2 uebayasi #define STPTR stx
57 1.3.6.2 uebayasi #define STPTRA stxa
58 1.3.6.2 uebayasi #define CASPTR casxa
59 1.3.6.2 uebayasi /* Now something to calculate the stack bias */
60 1.3.6.2 uebayasi #define STKB BIAS
61 1.3.6.2 uebayasi #define CCCR %xcc
62 1.3.6.2 uebayasi #else
63 1.3.6.2 uebayasi #define BASEREG %g0
64 1.3.6.2 uebayasi #define LNGSZ 4
65 1.3.6.2 uebayasi #define LNGSHFT 2
66 1.3.6.2 uebayasi #define PTRSZ 4
67 1.3.6.2 uebayasi #define PTRSHFT 2
68 1.3.6.2 uebayasi #define POINTER .word
69 1.3.6.2 uebayasi #define ULONG .word
70 1.3.6.2 uebayasi /* Instructions to load/store pointers & long ints */
71 1.3.6.2 uebayasi #define LDLNG ldsw
72 1.3.6.2 uebayasi #define LDULNG lduw
73 1.3.6.2 uebayasi #define STLNG stw
74 1.3.6.2 uebayasi #define STULNG stw
75 1.3.6.2 uebayasi #define LDPTR lduw
76 1.3.6.2 uebayasi #define LDPTRA lduwa
77 1.3.6.2 uebayasi #define STPTR stw
78 1.3.6.2 uebayasi #define STPTRA stwa
79 1.3.6.2 uebayasi #define CASPTR casa
80 1.3.6.2 uebayasi #define STKB 0
81 1.3.6.2 uebayasi #define CCCR %icc
82 1.3.6.2 uebayasi #endif
83 1.3.6.2 uebayasi
84 1.3.6.2 uebayasi /* Give this real authority: reset the machine */
85 1.3.6.2 uebayasi #define NOTREACHED sir
86 1.3.6.2 uebayasi
87 1.3.6.2 uebayasi /* if < 32, copy by bytes, memcpy, kcopy, ... */
88 1.3.6.2 uebayasi #define BCOPY_SMALL 32
89 1.3.6.2 uebayasi
90 1.3.6.2 uebayasi /* use as needed to align things on longword boundaries */
91 1.3.6.2 uebayasi #define _ALIGN .align 8
92 1.3.6.2 uebayasi #define ICACHE_ALIGN .align 32
93