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Diffstat (limited to 'sys/powerpc/aim/mmu_oea64.h')
| -rw-r--r-- | sys/powerpc/aim/mmu_oea64.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/powerpc/aim/mmu_oea64.h b/sys/powerpc/aim/mmu_oea64.h new file mode 100644 index 0000000..101181d --- /dev/null +++ b/sys/powerpc/aim/mmu_oea64.h @@ -0,0 +1,77 @@ +/*- + * Copyright (C) 2010 Nathan Whitehorn + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _POWERPC_AIM_MMU_OEA64_H +#define _POWERPC_AIM_MMU_OEA64_H + +#include <machine/mmuvar.h> + +extern mmu_def_t oea64_mmu; + +/* + * Helper routines + */ + +/* Allocate physical memory for use in moea64_bootstrap. */ +vm_offset_t moea64_bootstrap_alloc(vm_size_t, u_int); + +/* + * Bootstrap subroutines + * + * An MMU_BOOTSTRAP() implementation looks like this: + * moea64_early_bootstrap(); + * Allocate Page Table + * moea64_mid_bootstrap(); + * Add mappings for MMU resources + * moea64_late_bootstrap(); + */ + +void moea64_early_bootstrap(mmu_t mmup, vm_offset_t kernelstart, + vm_offset_t kernelend); +void moea64_mid_bootstrap(mmu_t mmup, vm_offset_t kernelstart, + vm_offset_t kernelend); +void moea64_late_bootstrap(mmu_t mmup, vm_offset_t kernelstart, + vm_offset_t kernelend); + +/* + * Statistics + */ + +extern u_int moea64_pte_valid; +extern u_int moea64_pte_overflow; + +/* + * State variables + */ + +extern struct pvo_head *moea64_pvo_table; +extern int moea64_large_page_shift; +extern u_int moea64_pteg_count; +extern u_int moea64_pteg_mask; + +#endif /* _POWERPC_AIM_MMU_OEA64_H */ + |
