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get_memory_map() now panics (and fails) in case it was called on unmapped memory as

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suggested by Ingo; before it would just fill the physical pages with NULL pointers.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20364 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-03-11 13:27:42 +00:00
parent b5937fc6e6
commit 6e601ee88f
4 changed files with 27 additions and 10 deletions
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headers/private/kernel/vm_translation_map.h
+11 -6
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2006, Haiku. All rights reserved.
* Copyright 2002-2007, Haiku. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@@ -30,15 +30,20 @@ typedef struct vm_translation_map_ops {
void (*destroy)(vm_translation_map *map);
status_t (*lock)(vm_translation_map *map);
status_t (*unlock)(vm_translation_map *map);
status_t (*map)(vm_translation_map *map, addr_t va, addr_t pa, uint32 attributes);
status_t (*map)(vm_translation_map *map, addr_t va, addr_t pa,
uint32 attributes);
status_t (*unmap)(vm_translation_map *map, addr_t start, addr_t end);
status_t (*query)(vm_translation_map *map, addr_t va, addr_t *_outPhysical, uint32 *_outFlags);
status_t (*query_interrupt)(vm_translation_map *map, addr_t va, addr_t *_outPhysical);
status_t (*query)(vm_translation_map *map, addr_t va, addr_t *_outPhysical,
uint32 *_outFlags);
status_t (*query_interrupt)(vm_translation_map *map, addr_t va,
addr_t *_outPhysical, uint32 *_outFlags);
addr_t (*get_mapped_size)(vm_translation_map*);
status_t (*protect)(vm_translation_map *map, addr_t base, addr_t top, uint32 attributes);
status_t (*protect)(vm_translation_map *map, addr_t base, addr_t top,
uint32 attributes);
status_t (*clear_flags)(vm_translation_map *map, addr_t va, uint32 flags);
void (*flush)(vm_translation_map *map);
status_t (*get_physical_page)(addr_t physicalAddress, addr_t *_virtualAddress, uint32 flags);
status_t (*get_physical_page)(addr_t physicalAddress,
addr_t *_virtualAddress, uint32 flags);
status_t (*put_physical_page)(addr_t virtualAddress);
} vm_translation_map_ops;