1ba89e67ed
VMAddressSpace::InitPostSem(). git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37025 a95241bf-73f2-0310-859d-f6bbb57e9c96
140 lines
4.0 KiB
C++
140 lines
4.0 KiB
C++
/*
|
|
* Copyright 2002-2010, Haiku. All rights reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*
|
|
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
|
|
* Distributed under the terms of the NewOS License.
|
|
*/
|
|
#ifndef KERNEL_VM_VM_TRANSLATION_MAP_H
|
|
#define KERNEL_VM_VM_TRANSLATION_MAP_H
|
|
|
|
|
|
#include <kernel.h>
|
|
#include <lock.h>
|
|
|
|
#include <vm/VMArea.h>
|
|
|
|
|
|
struct kernel_args;
|
|
struct vm_page_reservation;
|
|
|
|
|
|
struct VMTranslationMap {
|
|
VMTranslationMap();
|
|
virtual ~VMTranslationMap();
|
|
|
|
virtual bool Lock() = 0;
|
|
virtual void Unlock() = 0;
|
|
|
|
virtual addr_t MappedSize() const = 0;
|
|
virtual size_t MaxPagesNeededToMap(addr_t start,
|
|
addr_t end) const = 0;
|
|
|
|
virtual status_t Map(addr_t virtualAddress,
|
|
phys_addr_t physicalAddress,
|
|
uint32 attributes, uint32 memoryType,
|
|
vm_page_reservation* reservation) = 0;
|
|
virtual status_t Unmap(addr_t start, addr_t end) = 0;
|
|
|
|
// map not locked
|
|
virtual status_t UnmapPage(VMArea* area, addr_t address,
|
|
bool updatePageQueue) = 0;
|
|
virtual void UnmapPages(VMArea* area, addr_t base,
|
|
size_t size, bool updatePageQueue);
|
|
virtual void UnmapArea(VMArea* area,
|
|
bool deletingAddressSpace,
|
|
bool ignoreTopCachePageFlags);
|
|
|
|
virtual status_t Query(addr_t virtualAddress,
|
|
phys_addr_t* _physicalAddress,
|
|
uint32* _flags) = 0;
|
|
virtual status_t QueryInterrupt(addr_t virtualAddress,
|
|
phys_addr_t* _physicalAddress,
|
|
uint32* _flags) = 0;
|
|
|
|
virtual status_t Protect(addr_t base, addr_t top,
|
|
uint32 attributes, uint32 memoryType) = 0;
|
|
status_t ProtectPage(VMArea* area, addr_t address,
|
|
uint32 attributes);
|
|
status_t ProtectArea(VMArea* area,
|
|
uint32 attributes);
|
|
|
|
virtual status_t ClearFlags(addr_t virtualAddress,
|
|
uint32 flags) = 0;
|
|
|
|
virtual bool ClearAccessedAndModified(
|
|
VMArea* area, addr_t address,
|
|
bool unmapIfUnaccessed,
|
|
bool& _modified) = 0;
|
|
|
|
virtual void Flush() = 0;
|
|
|
|
protected:
|
|
recursive_lock fLock;
|
|
int32 fMapCount;
|
|
};
|
|
|
|
|
|
struct VMPhysicalPageMapper {
|
|
VMPhysicalPageMapper();
|
|
virtual ~VMPhysicalPageMapper();
|
|
|
|
// get/put virtual address for physical page -- will be usuable on all CPUs
|
|
// (usually more expensive than the *_current_cpu() versions)
|
|
virtual status_t GetPage(phys_addr_t physicalAddress,
|
|
addr_t* _virtualAddress,
|
|
void** _handle) = 0;
|
|
virtual status_t PutPage(addr_t virtualAddress,
|
|
void* handle) = 0;
|
|
|
|
// get/put virtual address for physical page -- thread must be pinned the
|
|
// whole time
|
|
virtual status_t GetPageCurrentCPU(
|
|
phys_addr_t physicalAddress,
|
|
addr_t* _virtualAddress,
|
|
void** _handle) = 0;
|
|
virtual status_t PutPageCurrentCPU(addr_t virtualAddress,
|
|
void* _handle) = 0;
|
|
|
|
// get/put virtual address for physical in KDL
|
|
virtual status_t GetPageDebug(phys_addr_t physicalAddress,
|
|
addr_t* _virtualAddress,
|
|
void** _handle) = 0;
|
|
virtual status_t PutPageDebug(addr_t virtualAddress,
|
|
void* handle) = 0;
|
|
|
|
// memory operations on pages
|
|
virtual status_t MemsetPhysical(phys_addr_t address, int value,
|
|
phys_size_t length) = 0;
|
|
virtual status_t MemcpyFromPhysical(void* to, phys_addr_t from,
|
|
size_t length, bool user) = 0;
|
|
virtual status_t MemcpyToPhysical(phys_addr_t to,
|
|
const void* from, size_t length,
|
|
bool user) = 0;
|
|
virtual void MemcpyPhysicalPage(phys_addr_t to,
|
|
phys_addr_t from) = 0;
|
|
};
|
|
|
|
|
|
|
|
inline status_t
|
|
VMTranslationMap::ProtectPage(VMArea* area, addr_t address, uint32 attributes)
|
|
{
|
|
return Protect(address, address + B_PAGE_SIZE - 1, attributes,
|
|
area->MemoryType());
|
|
}
|
|
|
|
|
|
#include <vm/VMArea.h>
|
|
inline status_t
|
|
VMTranslationMap::ProtectArea(VMArea* area, uint32 attributes)
|
|
{
|
|
return Protect(area->Base(), area->Base() + area->Size() - 1, attributes,
|
|
area->MemoryType());
|
|
}
|
|
|
|
|
|
#include <arch/vm_translation_map.h>
|
|
|
|
#endif /* KERNEL_VM_VM_TRANSLATION_MAP_H */
|