haiku/headers/private/kernel/arch/m68k/arch_vm.h
Ingo Weinhold e50cf8765b * Moved the VM headers into subdirectory vm/.
* 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
2009-12-02 18:05:10 +00:00

53 lines
1.7 KiB
C

/*
* Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef ARCH_M68K_VM_H
#define ARCH_M68K_VM_H
#include <vm/vm_translation_map.h>
/* This many pages will be read/written on I/O if possible */
#define NUM_IO_PAGES 4
/* 16 kB */
#define PAGE_SHIFT 12
struct m68k_vm_ops {
void *(*m68k_translation_map_get_pgdir)(vm_translation_map *map);
status_t (*arch_vm_translation_map_init_map)(vm_translation_map *map, bool kernel);
status_t (*arch_vm_translation_map_init_kernel_map_post_sem)(vm_translation_map *map);
status_t (*arch_vm_translation_map_init)(kernel_args *args);
status_t (*arch_vm_translation_map_init_post_area)(kernel_args *args);
status_t (*arch_vm_translation_map_init_post_sem)(kernel_args *args);
status_t (*arch_vm_translation_map_early_map)(kernel_args *ka, addr_t virtualAddress, addr_t physicalAddress,
uint8 attributes, addr_t (*get_free_page)(kernel_args *));
status_t (*arch_vm_translation_map_early_query)(addr_t va, addr_t *out_physical);
void (*m68k_set_pgdir)(void *);
#if 0 /* ppc stuff only ? */
status_t (*m68k_map_address_range)(addr_t virtualAddress, addr_t physicalAddress,
size_t size);
void (*m68k_unmap_address_range)(addr_t virtualAddress, size_t size);
status_t (*m68k_remap_address_range)(addr_t *_virtualAddress, size_t size, bool unmap);
#endif
bool (*arch_vm_translation_map_is_kernel_page_accessible)(addr_t virtualAddress, uint32 protection);
};
#ifdef __cplusplus
extern "C" {
#endif
extern struct m68k_vm_ops *get_vm_ops();
extern void *m68k_translation_map_get_pgdir(vm_translation_map *map);
extern void m68k_set_pgdir(void *rt);
#ifdef __cplusplus
}
#endif
#endif /* ARCH_M68K_VM_H */