mmu_oea64.h revision 256281
1/*- 2 * Copyright (C) 2010 Nathan Whitehorn 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: stable/10/sys/powerpc/aim/mmu_oea64.h 255418 2013-09-09 12:51:24Z nwhitehorn $ 26 */ 27 28#ifndef _POWERPC_AIM_MMU_OEA64_H 29#define _POWERPC_AIM_MMU_OEA64_H 30 31#include <machine/mmuvar.h> 32 33extern mmu_def_t oea64_mmu; 34 35/* 36 * Helper routines 37 */ 38 39/* Allocate physical memory for use in moea64_bootstrap. */ 40vm_offset_t moea64_bootstrap_alloc(vm_size_t, u_int); 41 42/* 43 * Bootstrap subroutines 44 * 45 * An MMU_BOOTSTRAP() implementation looks like this: 46 * moea64_early_bootstrap(); 47 * Allocate Page Table 48 * moea64_mid_bootstrap(); 49 * Add mappings for MMU resources 50 * moea64_late_bootstrap(); 51 */ 52 53void moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 54 vm_offset_t kernelend); 55void moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 56 vm_offset_t kernelend); 57void moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 58 vm_offset_t kernelend); 59 60/* 61 * Statistics 62 */ 63 64extern u_int moea64_pte_valid; 65extern u_int moea64_pte_overflow; 66 67/* 68 * State variables 69 */ 70 71extern struct pvo_head *moea64_pvo_table; 72extern int moea64_large_page_shift; 73extern uint64_t moea64_large_page_size; 74extern u_int moea64_pteg_count; 75extern u_int moea64_pteg_mask; 76 77#endif /* _POWERPC_AIM_MMU_OEA64_H */ 78 79