locore.h revision 1.3
1 1.3 mrg /* $NetBSD: locore.h,v 1.3 2010/03/07 01:52:44 mrg Exp $ */ 2 1.1 mrg 3 1.1 mrg /* 4 1.1 mrg * Copyright (c) 1996-2002 Eduardo Horvath 5 1.1 mrg * All rights reserved. 6 1.1 mrg * 7 1.1 mrg * Redistribution and use in source and binary forms, with or without 8 1.1 mrg * modification, are permitted provided that the following conditions 9 1.1 mrg * are met: 10 1.1 mrg * 1. Redistributions of source code must retain the above copyright 11 1.1 mrg * notice, this list of conditions and the following disclaimer. 12 1.1 mrg * 13 1.1 mrg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 14 1.1 mrg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 1.1 mrg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 1.1 mrg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 17 1.1 mrg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 1.1 mrg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 1.1 mrg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 1.1 mrg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 1.1 mrg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 1.1 mrg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 1.1 mrg * SUCH DAMAGE. 24 1.1 mrg * 25 1.1 mrg */ 26 1.1 mrg 27 1.1 mrg #undef CURLWP 28 1.1 mrg #undef CPCB 29 1.1 mrg #undef FPLWP 30 1.1 mrg 31 1.1 mrg #define CURLWP (CPUINFO_VA + CI_CURLWP) 32 1.1 mrg #define CPCB (CPUINFO_VA + CI_CPCB) 33 1.1 mrg #define FPLWP (CPUINFO_VA + CI_FPLWP) 34 1.1 mrg 35 1.1 mrg /* 36 1.1 mrg * Here are some defines to try to maintain consistency but still 37 1.1 mrg * support 32-and 64-bit compilers. 38 1.1 mrg */ 39 1.1 mrg #ifdef _LP64 40 1.1 mrg /* reg that points to base of data/text segment */ 41 1.1 mrg #define BASEREG %g4 42 1.1 mrg /* first constants for storage allocation */ 43 1.1 mrg #define LNGSZ 8 44 1.1 mrg #define LNGSHFT 3 45 1.1 mrg #define PTRSZ 8 46 1.1 mrg #define PTRSHFT 3 47 1.1 mrg #define POINTER .xword 48 1.1 mrg #define ULONG .xword 49 1.1 mrg /* Now instructions to load/store pointers & long ints */ 50 1.1 mrg #define LDLNG ldx 51 1.1 mrg #define LDULNG ldx 52 1.1 mrg #define STLNG stx 53 1.1 mrg #define STULNG stx 54 1.1 mrg #define LDPTR ldx 55 1.1 mrg #define LDPTRA ldxa 56 1.1 mrg #define STPTR stx 57 1.1 mrg #define STPTRA stxa 58 1.1 mrg #define CASPTR casxa 59 1.1 mrg /* Now something to calculate the stack bias */ 60 1.1 mrg #define STKB BIAS 61 1.1 mrg #define CCCR %xcc 62 1.1 mrg #else 63 1.1 mrg #define BASEREG %g0 64 1.1 mrg #define LNGSZ 4 65 1.1 mrg #define LNGSHFT 2 66 1.1 mrg #define PTRSZ 4 67 1.1 mrg #define PTRSHFT 2 68 1.1 mrg #define POINTER .word 69 1.1 mrg #define ULONG .word 70 1.1 mrg /* Instructions to load/store pointers & long ints */ 71 1.1 mrg #define LDLNG ldsw 72 1.1 mrg #define LDULNG lduw 73 1.1 mrg #define STLNG stw 74 1.1 mrg #define STULNG stw 75 1.1 mrg #define LDPTR lduw 76 1.1 mrg #define LDPTRA lduwa 77 1.1 mrg #define STPTR stw 78 1.1 mrg #define STPTRA stwa 79 1.1 mrg #define CASPTR casa 80 1.1 mrg #define STKB 0 81 1.1 mrg #define CCCR %icc 82 1.1 mrg #endif 83 1.1 mrg 84 1.1 mrg /* Give this real authority: reset the machine */ 85 1.1 mrg #define NOTREACHED sir 86 1.1 mrg 87 1.1 mrg /* if < 32, copy by bytes, memcpy, kcopy, ... */ 88 1.1 mrg #define BCOPY_SMALL 32 89 1.3 mrg 90 1.3 mrg /* use as needed to align things on longword boundaries */ 91 1.3 mrg #define _ALIGN .align 8 92 1.3 mrg #define ICACHE_ALIGN .align 32 93
Indexes created Tue Sep 30 20:09:53 GMT 2025