1 1.2 christos /* $NetBSD: ixp425_pci_asm.S,v 1.2 2005/12/11 12:16:51 christos Exp $ */ 2 1.1 ichiro 3 1.1 ichiro /* 4 1.1 ichiro * Copyright (c) 2003 Wasabi Systems, Inc. 5 1.1 ichiro * All rights reserved. 6 1.1 ichiro * 7 1.1 ichiro * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 1.1 ichiro * 9 1.1 ichiro * Redistribution and use in source and binary forms, with or without 10 1.1 ichiro * modification, are permitted provided that the following conditions 11 1.1 ichiro * are met: 12 1.1 ichiro * 1. Redistributions of source code must retain the above copyright 13 1.1 ichiro * notice, this list of conditions and the following disclaimer. 14 1.1 ichiro * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 ichiro * notice, this list of conditions and the following disclaimer in the 16 1.1 ichiro * documentation and/or other materials provided with the distribution. 17 1.1 ichiro * 3. All advertising materials mentioning features or use of this software 18 1.1 ichiro * must display the following acknowledgement: 19 1.1 ichiro * This product includes software developed for the NetBSD Project by 20 1.1 ichiro * Wasabi Systems, Inc. 21 1.1 ichiro * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.1 ichiro * or promote products derived from this software without specific prior 23 1.1 ichiro * written permission. 24 1.1 ichiro * 25 1.1 ichiro * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.1 ichiro * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.1 ichiro * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.1 ichiro * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.1 ichiro * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.1 ichiro * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.1 ichiro * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.1 ichiro * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.1 ichiro * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.1 ichiro * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.1 ichiro * POSSIBILITY OF SUCH DAMAGE. 36 1.1 ichiro */ 37 1.1 ichiro 38 1.1 ichiro #include <arm/asm.h> 39 1.1 ichiro #include <arm/cpuconf.h> 40 1.1 ichiro 41 1.1 ichiro /* 42 1.1 ichiro * Bus space functions for IXP425 PCI space access. We have to swizzle 43 1.1 ichiro * the address for 1 and 2 byte accesses when in big-endian mode. 44 1.1 ichiro */ 45 1.1 ichiro 46 1.1 ichiro /* 47 1.1 ichiro * read single 48 1.1 ichiro */ 49 1.1 ichiro 50 1.1 ichiro ENTRY(ixp425_pci_mem_bs_r_1) 51 1.1 ichiro #ifdef __ARMEB__ 52 1.1 ichiro add r1, r1, r2 53 1.1 ichiro eor r1, r1, #0x3 54 1.1 ichiro ldrb r0, [r1] 55 1.1 ichiro #else 56 1.1 ichiro ldrb r0, [r1, r2] 57 1.1 ichiro #endif /* __ARMEB__ */ 58 1.1 ichiro mov pc, lr 59 1.1 ichiro 60 1.1 ichiro ENTRY(ixp425_pci_mem_bs_r_2) 61 1.1 ichiro #ifdef __ARMEB__ 62 1.1 ichiro add r1, r1, r2 63 1.1 ichiro eor r1, r1, #0x2 64 1.1 ichiro ldrh r0, [r1] 65 1.1 ichiro #else 66 1.1 ichiro ldrh r0, [r1, r2] 67 1.1 ichiro #endif /* __ARMEB__ */ 68 1.1 ichiro mov pc, lr 69 1.1 ichiro 70 1.1 ichiro ENTRY(ixp425_pci_mem_bs_r_4) 71 1.1 ichiro ldr r0, [r1, r2] 72 1.1 ichiro mov pc, lr 73 1.1 ichiro 74 1.1 ichiro /* 75 1.1 ichiro * write single 76 1.1 ichiro */ 77 1.1 ichiro 78 1.1 ichiro ENTRY(ixp425_pci_mem_bs_w_1) 79 1.1 ichiro #ifdef __ARMEB__ 80 1.1 ichiro add r1, r1, r2 81 1.1 ichiro eor r1, r1, #0x3 82 1.1 ichiro strb r3, [r1] 83 1.1 ichiro #else 84 1.1 ichiro strb r3, [r1, r2] 85 1.1 ichiro #endif /* __ARMEB__ */ 86 1.1 ichiro mov pc, lr 87 1.1 ichiro 88 1.1 ichiro ENTRY(ixp425_pci_mem_bs_w_2) 89 1.1 ichiro #ifdef __ARMEB__ 90 1.1 ichiro add r1, r1, r2 91 1.1 ichiro eor r1, r1, #0x2 92 1.1 ichiro strh r3, [r1] 93 1.1 ichiro #else 94 1.1 ichiro strh r3, [r1, r2] 95 1.1 ichiro #endif /* __ARMEB__ */ 96 1.1 ichiro mov pc, lr 97 1.1 ichiro 98 1.1 ichiro ENTRY(ixp425_pci_mem_bs_w_4) 99 1.1 ichiro str r3, [r1, r2] 100 1.1 ichiro mov pc, lr 101
Indexes created Tue Sep 23 23:09:58 GMT 2025