mmu_oea64.h revision 255418
1158722Sflz/*- 2158722Sflz * Copyright (C) 2010 Nathan Whitehorn 3158722Sflz * All rights reserved. 4158722Sflz * 5158722Sflz * Redistribution and use in source and binary forms, with or without 6158722Sflz * modification, are permitted provided that the following conditions 7158722Sflz * are met: 8158722Sflz * 1. Redistributions of source code must retain the above copyright 9158722Sflz * notice, this list of conditions and the following disclaimer. 10158722Sflz * 2. Redistributions in binary form must reproduce the above copyright 11158722Sflz * notice, this list of conditions and the following disclaimer in the 12158722Sflz * documentation and/or other materials provided with the distribution. 13158722Sflz * 14158722Sflz * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15158722Sflz * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16158722Sflz * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17158722Sflz * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 18158722Sflz * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19158722Sflz * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20158722Sflz * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 21158722Sflz * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 22158722Sflz * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 23158722Sflz * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24158722Sflz * 25158722Sflz * $FreeBSD: head/sys/powerpc/aim/mmu_oea64.h 255418 2013-09-09 12:51:24Z nwhitehorn $ 26158722Sflz */ 27158722Sflz 28158722Sflz#ifndef _POWERPC_AIM_MMU_OEA64_H 29158722Sflz#define _POWERPC_AIM_MMU_OEA64_H 30158722Sflz 31158722Sflz#include <machine/mmuvar.h> 32158722Sflz 33158722Sflzextern mmu_def_t oea64_mmu; 34158722Sflz 35158722Sflz/* 36158722Sflz * Helper routines 37158722Sflz */ 38158722Sflz 39165683Syar/* Allocate physical memory for use in moea64_bootstrap. */ 40165683Syarvm_offset_t moea64_bootstrap_alloc(vm_size_t, u_int); 41158722Sflz 42158722Sflz/* 43158722Sflz * Bootstrap subroutines 44158722Sflz * 45158722Sflz * An MMU_BOOTSTRAP() implementation looks like this: 46158722Sflz * moea64_early_bootstrap(); 47158722Sflz * Allocate Page Table 48158722Sflz * moea64_mid_bootstrap(); 49158722Sflz * Add mappings for MMU resources 50158722Sflz * moea64_late_bootstrap(); 51158722Sflz */ 52208060Sdougb 53158722Sflzvoid moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 54158722Sflz vm_offset_t kernelend); 55158722Sflzvoid moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 56158722Sflz vm_offset_t kernelend); 57158722Sflzvoid moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 58158722Sflz vm_offset_t kernelend); 59158722Sflz 60158722Sflz/* 61158722Sflz * Statistics 62158722Sflz */ 63158722Sflz 64158722Sflzextern u_int moea64_pte_valid; 65158722Sflzextern u_int moea64_pte_overflow; 66158722Sflz 67158722Sflz/* 68158722Sflz * State variables 69158722Sflz */ 70158722Sflz 71158722Sflzextern struct pvo_head *moea64_pvo_table; 72158722Sflzextern int moea64_large_page_shift; 73158722Sflzextern uint64_t moea64_large_page_size; 74158722Sflzextern u_int moea64_pteg_count; 75158722Sflzextern u_int moea64_pteg_mask; 76158722Sflz 77158722Sflz#endif /* _POWERPC_AIM_MMU_OEA64_H */ 78158722Sflz 79158722Sflz