Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/powerpc/aim/mmu_oea64.h
Version:
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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 * $FreeBSD$ 26 */ 27 28 #ifndef _POWERPC_AIM_MMU_OEA64_H 29 #define _POWERPC_AIM_MMU_OEA64_H 30 31 #include <machine/mmuvar.h> 32 33 extern mmu_def_t oea64_mmu; 34 35 /* 36 * Helper routines 37 */ 38 39 /* Allocate physical memory for use in moea64_bootstrap. */ 40 vm_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 53 void moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 54 vm_offset_t kernelend); 55 void moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 56 vm_offset_t kernelend); 57 void moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart, 58 vm_offset_t kernelend); 59 60 /* 61 * Statistics 62 */ 63 64 extern u_int moea64_pte_valid; 65 extern u_int moea64_pte_overflow; 66 67 /* 68 * State variables 69 */ 70 71 extern struct pvo_head *moea64_pvo_table; 72 extern int moea64_large_page_shift; 73 extern u_int moea64_pteg_count; 74 extern u_int moea64_pteg_mask; 75 76 #endif /* _POWERPC_AIM_MMU_OEA64_H */ 77
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