e50cf8765b
* Renamed vm_cache.h/vm_address_space.h to VMCache.h/VMAddressSpace. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34449 a95241bf-73f2-0310-859d-f6bbb57e9c96
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef ARCH_M68K_VM_H
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#define ARCH_M68K_VM_H
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#include <vm/vm_translation_map.h>
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/* This many pages will be read/written on I/O if possible */
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#define NUM_IO_PAGES 4
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/* 16 kB */
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#define PAGE_SHIFT 12
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struct m68k_vm_ops {
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void *(*m68k_translation_map_get_pgdir)(vm_translation_map *map);
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status_t (*arch_vm_translation_map_init_map)(vm_translation_map *map, bool kernel);
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status_t (*arch_vm_translation_map_init_kernel_map_post_sem)(vm_translation_map *map);
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status_t (*arch_vm_translation_map_init)(kernel_args *args);
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status_t (*arch_vm_translation_map_init_post_area)(kernel_args *args);
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status_t (*arch_vm_translation_map_init_post_sem)(kernel_args *args);
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status_t (*arch_vm_translation_map_early_map)(kernel_args *ka, addr_t virtualAddress, addr_t physicalAddress,
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uint8 attributes, addr_t (*get_free_page)(kernel_args *));
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status_t (*arch_vm_translation_map_early_query)(addr_t va, addr_t *out_physical);
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void (*m68k_set_pgdir)(void *);
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#if 0 /* ppc stuff only ? */
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status_t (*m68k_map_address_range)(addr_t virtualAddress, addr_t physicalAddress,
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size_t size);
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void (*m68k_unmap_address_range)(addr_t virtualAddress, size_t size);
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status_t (*m68k_remap_address_range)(addr_t *_virtualAddress, size_t size, bool unmap);
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#endif
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bool (*arch_vm_translation_map_is_kernel_page_accessible)(addr_t virtualAddress, uint32 protection);
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern struct m68k_vm_ops *get_vm_ops();
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extern void *m68k_translation_map_get_pgdir(vm_translation_map *map);
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extern void m68k_set_pgdir(void *rt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ARCH_M68K_VM_H */
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