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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
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/* $NetBSD: ixp425_pci_asm.S,v 1.2 2005/12/11 12:16:51 christos Exp $ */ /* * Copyright (c) 2003 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/arm/xscale/ixp425/ixp425_pci_asm.S 164426 2006-11-19 23:55:23Z sam $ * */ #include <machine/asm.h> /* * Bus space functions for IXP425 PCI space access. We have to swizzle * the address for 1 and 2 byte accesses when in big-endian mode. */ /* * read single */ ENTRY(ixp425_pci_mem_bs_r_1) #ifdef __ARMEB__ add r1, r1, r2 eor r1, r1, #0x3 ldrb r0, [r1] #else ldrb r0, [r1, r2] #endif /* __ARMEB__ */ mov pc, lr ENTRY(ixp425_pci_mem_bs_r_2) #ifdef __ARMEB__ add r1, r1, r2 eor r1, r1, #0x2 ldrh r0, [r1] #else ldrh r0, [r1, r2] #endif /* __ARMEB__ */ mov pc, lr ENTRY(ixp425_pci_mem_bs_r_4) ldr r0, [r1, r2] mov pc, lr /* * write single */ ENTRY(ixp425_pci_mem_bs_w_1) #ifdef __ARMEB__ add r1, r1, r2 eor r1, r1, #0x3 strb r3, [r1] #else strb r3, [r1, r2] #endif /* __ARMEB__ */ mov pc, lr ENTRY(ixp425_pci_mem_bs_w_2) #ifdef __ARMEB__ add r1, r1, r2 eor r1, r1, #0x2 strh r3, [r1] #else strh r3, [r1, r2] #endif /* __ARMEB__ */ mov pc, lr ENTRY(ixp425_pci_mem_bs_w_4) str r3, [r1, r2] mov pc, lr