haiku/headers/private/kernel/boot/addr_range.h
Ingo Weinhold ff9151d11f Added ignore_physical_memory_ranges_beyond_4gb() which removes the memory
beyond 4 GB from the physical memory ranges.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37224 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-06-23 11:10:01 +00:00

59 lines
1.9 KiB
C

/*
* Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
* Copyright 2004-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef KERNEL_BOOT_ADDR_RANGE_H
#define KERNEL_BOOT_ADDR_RANGE_H
#include <SupportDefs.h>
typedef struct addr_range {
addr_t start;
size_t size;
} addr_range;
typedef struct phys_addr_range {
phys_addr_t start;
phys_size_t size;
} phys_addr_range;
#ifdef __cplusplus
extern "C" {
#endif
status_t insert_address_range(addr_range* ranges, uint32* _numRanges,
uint32 maxRanges, addr_t start, size_t size);
status_t remove_address_range(addr_range* ranges, uint32* _numRanges,
uint32 maxRanges, addr_t start, size_t size);
bool get_free_address_range(addr_range* ranges, uint32 numRanges, addr_t base,
size_t size, addr_t* _rangeBase);
bool is_address_range_covered(addr_range* ranges, uint32 numRanges, addr_t base,
size_t size);
void sort_address_ranges(addr_range* ranges, uint32 numRanges);
status_t insert_physical_address_range(phys_addr_range* ranges,
uint32* _numRanges, uint32 maxRanges, phys_addr_t start, phys_size_t size);
status_t remove_physical_address_range(phys_addr_range* ranges,
uint32* _numRanges, uint32 maxRanges, phys_addr_t start, phys_size_t size);
bool get_free_physical_address_range(phys_addr_range* ranges, uint32 numRanges,
phys_addr_t base, phys_size_t size, phys_addr_t* _rangeBase);
bool is_physical_address_range_covered(phys_addr_range* ranges,
uint32 numRanges, phys_addr_t base, phys_size_t size);
void sort_physical_address_ranges(phys_addr_range* ranges, uint32 numRanges);
status_t insert_physical_memory_range(phys_addr_t start, phys_size_t size);
status_t insert_physical_allocated_range(phys_addr_t start, phys_size_t size);
status_t insert_virtual_allocated_range(addr_t start, size_t size);
void ignore_physical_memory_ranges_beyond_4gb();
#ifdef __cplusplus
}
#endif
#endif /* KERNEL_BOOT_ADDR_RANGE_H */