1 /* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ 2 /*- 3 * Copyright (c) 2001 Ross Harvey 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the NetBSD 17 * Foundation, Inc. and its contributors. 18 * 4. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #define MD_SECT_CALL_FUNC(section, func) \ 36 __asm (".section "#section", \"ax\"\n" \ 37 " jsr $26," #func " \n" \ 38 " ldgp $29,0($26) \n" \ 39 " .previous") 40 41 #define MD_SECTION_PROLOGUE(sect, entry_pt) \ 42 __asm ( \ 43 ".section "#sect",\"ax\",@progbits \n" \ 44 " .globl " #entry_pt " \n" \ 45 " .type " #entry_pt ",@function \n" \ 46 #entry_pt": \n" \ 47 " ldgp $29, 0($27) \n" \ 48 " lda $30, -16($30) \n" \ 49 " stq $26, 0($30) \n" \ 50 " stq $15, 8($30) \n" \ 51 " .align 5 \n" \ 52 " /* fall thru */ \n" \ 53 " .previous") 54 55 56 #define MD_SECTION_EPILOGUE(sect) \ 57 __asm ( \ 58 ".section "#sect",\"ax\",@progbits \n" \ 59 " ldq $15, 8($30) \n" \ 60 " ldq $26, 0($30) \n" \ 61 " lda $30, 16($30) \n" \ 62 " ret \n" \ 63 " .previous") 64