48 lines
1.6 KiB
C
Executable File
48 lines
1.6 KiB
C
Executable File
/*
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** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
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*/
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#ifndef KERNEL_VM_TRANSLATION_MAP_H
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#define KERNEL_VM_TRANSLATION_MAP_H
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#include <kernel.h>
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#include <lock.h>
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struct kernel_args;
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typedef struct vm_translation_map_struct {
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struct vm_translation_map_struct *next;
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struct vm_translation_map_ops_struct *ops;
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recursive_lock lock;
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int map_count;
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struct vm_translation_map_arch_info_struct *arch_data;
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} vm_translation_map;
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// table of operations the vm may want to do to this mapping
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typedef struct vm_translation_map_ops_struct {
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void (*destroy)(vm_translation_map *);
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int (*lock)(vm_translation_map*);
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int (*unlock)(vm_translation_map*);
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int (*map)(vm_translation_map *map, addr va, addr pa, unsigned int attributes);
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int (*unmap)(vm_translation_map *map, addr start, addr end);
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int (*query)(vm_translation_map *map, addr va, addr *out_physical, unsigned int *out_flags);
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addr (*get_mapped_size)(vm_translation_map*);
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int (*protect)(vm_translation_map *map, addr base, addr top, unsigned int attributes);
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int (*clear_flags)(vm_translation_map *map, addr va, unsigned int flags);
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void (*flush)(vm_translation_map *map);
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int (*get_physical_page)(addr physical_address, addr *out_virtual_address, int flags);
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int (*put_physical_page)(addr virtual_address);
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} vm_translation_map_ops;
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// ToDo: fix this
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// unlike the usual habit, the VM translation map functions are
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// arch-specific but do not have the arch_ prefix.
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#include <arch/vm_translation_map.h>
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#endif /* KERNEL_VM_TRANSLATION_MAP_H */
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