2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2010 Nathan Whitehorn
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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30 #ifndef _POWERPC_AIM_MMU_OEA64_H
31 #define _POWERPC_AIM_MMU_OEA64_H
35 #include <machine/mmuvar.h>
43 extern mmu_def_t oea64_mmu;
49 /* Allocate physical memory for use in moea64_bootstrap. */
50 vm_offset_t moea64_bootstrap_alloc(vm_size_t size, vm_size_t align);
51 /* Set an LPTE structure to match the contents of a PVO */
52 void moea64_pte_from_pvo(const struct pvo_entry *pvo, struct lpte *lpte);
58 #define MOEA64_PTE_PROT_UPDATE 1
59 #define MOEA64_PTE_INVALIDATE 2
62 * Bootstrap subroutines
64 * An MMU_BOOTSTRAP() implementation looks like this:
65 * moea64_early_bootstrap();
67 * moea64_mid_bootstrap();
68 * Add mappings for MMU resources
69 * moea64_late_bootstrap();
72 void moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
73 vm_offset_t kernelend);
74 void moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
75 vm_offset_t kernelend);
76 void moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
77 vm_offset_t kernelend);
79 static inline uint64_t
80 moea64_pte_vpn_from_pvo_vpn(const struct pvo_entry *pvo)
82 return ((pvo->pvo_vpn >> (ADDR_API_SHFT64 - ADDR_PIDX_SHFT)) &
91 extern u_int moea64_pte_valid;
92 extern u_int moea64_pte_overflow;
93 #define STAT_MOEA64(x) x
95 #define STAT_MOEA64(x) ((void)0)
102 extern int moea64_large_page_shift;
103 extern uint64_t moea64_large_page_size;
104 extern uint64_t moea64_large_page_mask;
105 extern u_long moea64_pteg_count;
106 extern u_long moea64_pteg_mask;
109 #endif /* _POWERPC_AIM_MMU_OEA64_H */