2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2010 Nathan Whitehorn
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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
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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;
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30 #ifndef _POWERPC_AIM_MMU_OEA64_H
31 #define _POWERPC_AIM_MMU_OEA64_H
35 #include <machine/mmuvar.h>
37 extern mmu_def_t oea64_mmu;
43 /* Allocate physical memory for use in moea64_bootstrap. */
44 vm_offset_t moea64_bootstrap_alloc(vm_size_t size, vm_size_t align);
45 /* Set an LPTE structure to match the contents of a PVO */
46 void moea64_pte_from_pvo(const struct pvo_entry *pvo, struct lpte *lpte);
52 #define MOEA64_PTE_PROT_UPDATE 1
53 #define MOEA64_PTE_INVALIDATE 2
56 * Bootstrap subroutines
58 * An MMU_BOOTSTRAP() implementation looks like this:
59 * moea64_early_bootstrap();
61 * moea64_mid_bootstrap();
62 * Add mappings for MMU resources
63 * moea64_late_bootstrap();
66 void moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
67 vm_offset_t kernelend);
68 void moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
69 vm_offset_t kernelend);
70 void moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart,
71 vm_offset_t kernelend);
78 extern u_int moea64_pte_valid;
79 extern u_int moea64_pte_overflow;
80 #define STAT_MOEA64(x) x
82 #define STAT_MOEA64(x) ((void)0)
89 extern int moea64_large_page_shift;
90 extern uint64_t moea64_large_page_size;
91 extern uint64_t moea64_large_page_mask;
92 extern u_long moea64_pteg_count;
93 extern u_long moea64_pteg_mask;
96 #endif /* _POWERPC_AIM_MMU_OEA64_H */