1 /* $OpenBSD: md_init.h,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $ */ 2 /* $NetBSD: dot_init.h,v 1.3 2005/12/24 22:02:10 perry Exp $ */ 3 4 /*- 5 * Copyright (c) 2001 Ross Harvey 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #define MD_SECTION_PROLOGUE(sect, entry_pt) \ 38 __asm ( \ 39 ".section "#sect",\"ax\",@progbits \n" \ 40 " .globl " #entry_pt " \n" \ 41 " .type " #entry_pt ",@function \n" \ 42 #entry_pt": \n" \ 43 " sts.l pr, @-r15 \n" \ 44 " .align 2 \n" \ 45 " /* fall thru */ \n" \ 46 ".previous") 47 48 #define MD_SECTION_EPILOGUE(sect) \ 49 __asm ( \ 50 ".section "#sect",\"ax\",@progbits \n" \ 51 " lds.l @r15+, pr \n" \ 52 " rts \n" \ 53 " nop \n" \ 54 ".previous") 55 56 /* 57 * We need to put the function pointer in our own constant 58 * pool (otherwise it might be too far away to reference). 59 */ 60 #define MD_SECT_CALL_FUNC(section, func) \ 61 __asm(".section " #section "\n" \ 62 " mov.l 1f, r1 \n" \ 63 " mova 2f, r0 \n" \ 64 " braf r1 \n" \ 65 " lds r0, pr \n" \ 66 "0: .p2align 2 \n" \ 67 "1: .long " #func " - 0b \n" \ 68 "2: .previous"); 69