/*- * Copyright (c) 2015 Alexander Kabaev * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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. * * $FreeBSD$ */ #include #include #include #include #include "assym.s" #define CACHE_SIZE (32 * 1024) #define CACHE_LINESIZE 32 .text .set noat .set noreorder .section .text.mpentry_jz4780 .balign 0x10000 GLOBAL(jz4780_mpentry) /* Initialize caches */ li t0, MIPS_KSEG0_START ori t1, t0, CACHE_SIZE mtc0 zero, MIPS_COP_0_TAG_LO COP0_SYNC 1: cache CACHEOP_R4K_INDEX_STORE_TAG | CACHE_R4K_I, 0(t0) cache CACHEOP_R4K_INDEX_STORE_TAG | CACHE_R4K_D, 0(t0) bne t0, t1, 1b addiu t0, t0, CACHE_LINESIZE /* Set TLB page mask */ mtc0 zero, MIPS_COP_0_TLB_PG_MASK COP0_SYNC j mpentry nop