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