1 /* $NetBSD: wired_map.h,v 1.3 2007/02/21 22:59:38 thorpej Exp $ */ 2 3 /*- 4 * Copyright (C) 2000 Shuichiro URATA. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #define MIPS3_NWIRED_ENTRY 8 30 #define MIPS3_WIRED_SIZE MIPS3_PG_SIZE_MASK_TO_SIZE(MIPS3_PG_SIZE_16M) 31 32 #ifndef ARC_THRESHOLD_TO_USE_WIRED_TLB /* tunable */ 33 #define ARC_THRESHOLD_TO_USE_WIRED_TLB (256 * 1024) 34 #endif 35 36 #include <mips/wired_map.h> 37 38 void arc_init_wired_map(void); 39 void arc_wired_enter_page(vaddr_t, paddr_t, vsize_t); 40 vaddr_t arc_contiguously_wired_mapped(paddr_t, vsize_t); 41 vaddr_t arc_map_wired(paddr_t, vsize_t); 42 bool arc_wired_map_extract(vaddr_t, paddr_t *); 43