1/* $NetBSD: srt0.S,v 1.1 2002/02/10 01:58:20 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38#include <machine/asm.h> 39 40ASENTRY_NP(_start) 41 b _C_LABEL(startup) 42 43ENTRY(cpufunc_id) 44 mrc p15, 0, r0, c0, c0, 0 45 mov pc, lr 46 47 .data 48 49 .global _C_LABEL(sa110_cache_clean_addr) 50_C_LABEL(sa110_cache_clean_addr): 51 .word 0x00000000 52 53 .global _C_LABEL(sa110_cache_clean_size) 54_C_LABEL(sa110_cache_clean_size): 55 .word 0x00008000 56 57 .text 58Lsa110_cache_clean_addr: 59 .word _C_LABEL(sa110_cache_clean_addr) 60Lsa110_cache_clean_size: 61 .word _C_LABEL(sa110_cache_clean_size) 62 63ENTRY(sa110_cache_syncI) 64 ldr r2, Lsa110_cache_clean_addr 65 ldmia r2, {r0, r1} 66 671: ldr r2, [r0], #32 /* clean D$ */ 68 subs r1, r1, #32 69 bne 1b 70 71 mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ 72 mcr p15, 0, r0, c7, c5, 0 /* flush I$ */ 73 74 mov pc, lr 75