267 	int protection, int protectionMax, int mapping, uint32 flags,
270 static void fix_protection(uint32* protection);
534 	uint32 areaProtection = area->protection  in allocate_area_page_protections()
539 	area->protection &= ~(B_READ_AREA | B_WRITE_AREA | B_EXECUTE_AREA  in allocate_area_page_protections()
555 set_area_page_protection(VMArea* area, addr_t pageAddress, uint32 protection)  in set_area_page_protection()  argument
557 	protection &= B_READ_AREA | B_WRITE_AREA | B_EXECUTE_AREA;  in set_area_page_protection()
561 		entry = (entry & 0xf0) | protection;  in set_area_page_protection()
563 		entry = (entry & 0x0f) | (protection << 4);  in set_area_page_protection()
571 		return area->protection;  in get_area_page_protection()
574 	uint32 protection = area->page_protections[pageIndex / 2];  in get_area_page_protection()  local
576 		protection &= 0x0f;  in get_area_page_protection()
578 		protection >>= 4;  in get_area_page_protection()
581 	if ((protection & B_READ_AREA) != 0)  in get_area_page_protection()
583 	if ((protection & B_WRITE_AREA) != 0)  in get_area_page_protection()
590 	return protection | kernelProtection;  in get_area_page_protection()
604 		const uint8 protection = area->page_protections[i];  in compute_area_page_commitment()  local
609 			pages += ((protection & (B_WRITE_AREA << 0)) != 0) ? 1 : 0;  in compute_area_page_commitment()
617 			pages += ((protection & (B_WRITE_AREA << 4)) != 0) ? 1 : 0;  in compute_area_page_commitment()
628 map_page(VMArea* area, vm_page* page, addr_t address, uint32 protection,  in map_page()  argument
650 		map->Map(address, page->physical_page_number * B_PAGE_SIZE, protection,  in map_page()
665 		map->Map(address, page->physical_page_number * B_PAGE_SIZE, protection,  in map_page()
920 			area->protection & B_OVERCOMMITTING_AREA, 0, 0,  in cut_area()
952 				area->protection, area->protection_max, REGION_NO_PRIVATE_MAP, 0,  in cut_area()
986 			area->name, secondSize, area->wiring, area->protection,  in cut_area()
1068 			if ((area->protection & B_KERNEL_AREA) != 0) {  in unmap_address_range()
1149 	const char* areaName, addr_t size, int wiring, int protection,  in map_backing_store()  argument
1158 		addressRestrictions->address_specification, wiring, protection,  in map_backing_store()
1183 	VMArea* area = addressSpace->CreateArea(areaName, wiring, protection,  in map_backing_store()
1200 			(protection & B_STACK_AREA) != 0  in map_backing_store()
1201 				|| (protection & B_OVERCOMMITTING_AREA) != 0, 0,  in map_backing_store()
1432 	uint32 protection)  in vm_set_kernel_area_debug_protection()  argument
1446 	if ((protection & B_KERNEL_READ_AREA) != 0)  in vm_set_kernel_area_debug_protection()
1447 		protection |= B_READ_AREA;  in vm_set_kernel_area_debug_protection()
1448 	if ((protection & B_KERNEL_WRITE_AREA) != 0)  in vm_set_kernel_area_debug_protection()
1449 		protection |= B_WRITE_AREA;  in vm_set_kernel_area_debug_protection()
1469 	map->DebugMarkRangePresent(address, address + size, protection != 0);  in vm_set_kernel_area_debug_protection()
1476 		set_area_page_protection(area, pageAddress, protection);  in vm_set_kernel_area_debug_protection()
1563 	uint32 wiring, uint32 protection, uint32 flags, addr_t guardSize,  in vm_create_anonymous_area()  argument
1571 	bool isStack = (protection & B_STACK_AREA) != 0;  in vm_create_anonymous_area()
1586 	if (!arch_vm_supports_protection(protection))  in vm_create_anonymous_area()
1594 	if (isStack || (protection & B_OVERCOMMITTING_AREA) != 0)  in vm_create_anonymous_area()
1598 	if ((protection & B_KERNEL_STACK_AREA) != 0)  in vm_create_anonymous_area()
1782 		protection, 0, REGION_NO_PRIVATE_MAP, flags,  in vm_create_anonymous_area()
1819 				map_page(area, page, address, protection, &reservation);  in vm_create_anonymous_area()
1889 				status = map->Map(virtualAddress, physicalAddress, protection,  in vm_create_anonymous_area()
1944 	uint32 addressSpec, addr_t size, uint32 protection,  in vm_map_physical_memory()  argument
1954 		addressSpec, size, protection, physicalAddress));  in vm_map_physical_memory()
1956 	if (!arch_vm_supports_protection(protection))  in vm_map_physical_memory()
1984 		B_FULL_LOCK, protection, 0, REGION_NO_PRIVATE_MAP, CREATE_AREA_DONT_COMMIT_MEMORY,  in vm_map_physical_memory()
2018 		map->ProtectArea(area, area->protection);  in vm_map_physical_memory()
2035 				protection, area->MemoryType(), &reservation);  in vm_map_physical_memory()
2059 	uint32 addressSpec, addr_t* _size, uint32 protection,  in vm_map_physical_memory_vecs()  argument
2065 		addressSpec, _size, protection, vecs, vecCount));  in vm_map_physical_memory_vecs()
2067 	if (!arch_vm_supports_protection(protection)  in vm_map_physical_memory_vecs()
2104 		B_FULL_LOCK, protection, 0, REGION_NO_PRIVATE_MAP, CREATE_AREA_DONT_COMMIT_MEMORY,  in vm_map_physical_memory_vecs()
2137 			protection, area->MemoryType(), &reservation);  in vm_map_physical_memory_vecs()
2252 	uint32 addressSpec, size_t size, uint32 protection, uint32 mapping,  in _vm_map_file()  argument
2266 		protection |= B_SHARED_AREA;  in _vm_map_file()
2279 		return vm_create_anonymous_area(team, name, size, B_NO_LOCK, protection,  in _vm_map_file()
2295 			&& (protection & (B_WRITE_AREA | B_KERNEL_WRITE_AREA)) != 0  in _vm_map_file()
2303 			protectionMax = protection | B_USER_PROTECTION;  in _vm_map_file()
2305 			protectionMax = protection | (B_USER_PROTECTION & ~B_WRITE_AREA);  in _vm_map_file()
2309 		if ((protection & B_WRITE_AREA) == 0)  in _vm_map_file()
2324 	if ((protection & B_READ_AREA) != 0) {  in _vm_map_file()
2379 		0, protection, protectionMax, mapping, mappingFlags,  in _vm_map_file()
2387 	if (status == B_OK && (protection & B_READ_AREA) != 0) {  in _vm_map_file()
2416 	addr_t size, uint32 protection, uint32 mapping, bool unmapAddressRange,  in vm_map_file()  argument
2419 	if (!arch_vm_supports_protection(protection))  in vm_map_file()
2422 	return _vm_map_file(aid, name, address, addressSpec, size, protection,  in vm_map_file()
2464 	uint32 addressSpec, uint32 protection, uint32 mapping, area_id sourceID,  in vm_clone_area()  argument
2478 		if (!kernel && (sourceArea->protection & B_KERNEL_AREA) != 0)  in vm_clone_area()
2481 		sourceArea->protection |= B_SHARED_AREA;  in vm_clone_area()
2482 		protection |= B_SHARED_AREA;  in vm_clone_area()
2506 	if (!kernel && (sourceArea->protection & B_KERNEL_AREA) != 0)  in vm_clone_area()
2512 		&& (sourceArea->protection & B_CLONEABLE_AREA) == 0) {  in vm_clone_area()
2531 			sourceArea->wiring, protection, sourceArea->protection_max,  in vm_clone_area()
2569 					protection, newArea->MemoryType(), &reservation);  in vm_clone_area()
2591 						protection, &reservation);  in vm_clone_area()
2693 	if (!kernel && (area->protection & B_KERNEL_AREA) != 0)  in vm_delete_area()
2782 					uint32 protection = 0;  in vm_copy_on_write_area()  local
2785 						protection |= B_KERNEL_READ_AREA;  in vm_copy_on_write_area()
2787 						protection |= B_READ_AREA;  in vm_copy_on_write_area()
2792 					map->ProtectPage(tempArea, address, protection);  in vm_copy_on_write_area()
2815 					uint32 protection = 0;  in vm_copy_on_write_area()  local
2818 						protection |= B_KERNEL_READ_AREA;  in vm_copy_on_write_area()
2820 						protection |= B_READ_AREA;  in vm_copy_on_write_area()
2822 					map->ProtectPage(tempArea, address, protection);  in vm_copy_on_write_area()
2829 			uint32 protection = 0;  in vm_copy_on_write_area()  local
2830 			if ((tempArea->protection & B_KERNEL_READ_AREA) != 0)  in vm_copy_on_write_area()
2831 				protection |= B_KERNEL_READ_AREA;  in vm_copy_on_write_area()
2832 			if ((tempArea->protection & B_READ_AREA) != 0)  in vm_copy_on_write_area()
2833 				protection |= B_READ_AREA;  in vm_copy_on_write_area()
2837 			map->ProtectArea(tempArea, protection);  in vm_copy_on_write_area()
2880 		sharedArea = (source->protection & B_SHARED_AREA) != 0;  in vm_copy_area()
2925 		= (source->protection & (B_KERNEL_WRITE_AREA | B_WRITE_AREA)) != 0;  in vm_copy_area()
2961 		name, source->Size(), source->wiring, source->protection,  in vm_copy_area()
3039 				|| (area->protection & B_KERNEL_AREA) != 0)) {  in vm_set_area_protection()
3062 		if (area->protection == newProtection)  in vm_set_area_protection()
3066 			= (area->protection & (B_WRITE_AREA | B_KERNEL_WRITE_AREA)) != 0;  in vm_set_area_protection()
3122 				== (area->protection & ~(B_WRITE_AREA | B_KERNEL_WRITE_AREA))  in vm_set_area_protection()
3178 		area->protection = newProtection;  in vm_set_area_protection()
3395 		if (!kernel && (area->protection & (B_READ_AREA | B_WRITE_AREA)) == 0  in vm_area_for()
3396 				&& (area->protection & B_KERNEL_AREA) != 0)  in vm_area_for()
4388 		uint32 protection = get_area_page_protection(area, address);  in vm_soft_fault()  local
4389 		if (isUser && (protection & B_USER_PROTECTION) == 0  in vm_soft_fault()
4390 				&& (area->protection & B_KERNEL_AREA) != 0) {  in vm_soft_fault()
4400 		if (isWrite && (protection  in vm_soft_fault()
4410 		} else if (isExecute && (protection  in vm_soft_fault()
4420 		} else if (!isWrite && !isExecute && (protection  in vm_soft_fault()
4470 		uint32 newProtection = protection;  in vm_soft_fault()
4767 	map->ProtectArea(area, area->protection);  in vm_set_area_memory_type()
4776 		map->ProtectArea(area, area->protection);  in vm_set_area_memory_type()
4792 fix_protection(uint32* protection)  in fix_protection()  argument
4794 	if ((*protection & B_KERNEL_EXECUTE_AREA) != 0  in fix_protection()
4795 		&& ((*protection & B_KERNEL_WRITE_AREA) != 0  in fix_protection()
4796 			|| (*protection & B_WRITE_AREA) != 0)  in fix_protection()
4800 	if ((*protection & B_KERNEL_PROTECTION) == 0) {  in fix_protection()
4801 		if ((*protection & B_WRITE_AREA) != 0)  in fix_protection()
4802 			*protection |= B_KERNEL_WRITE_AREA;  in fix_protection()
4803 		if ((*protection & B_READ_AREA) != 0)  in fix_protection()
4804 			*protection |= B_KERNEL_READ_AREA;  in fix_protection()
4816 	info->protection = area->protection;  in fill_area_info()
4864 				|| (area->protection & B_KERNEL_AREA) != 0)) {  in vm_resize_area()
4954 					uint32 areaProtection = area->protection  in vm_resize_area()
5781 	status = set_area_protection(id, info.protection | B_CLONEABLE_AREA);  in transfer_area()
5786 		addressSpec, info.protection, REGION_NO_PRIVATE_MAP, id, kernel);  in transfer_area()
5797 	set_area_protection(clonedArea, info.protection);  in transfer_area()
5807 	size_t numBytes, uint32 addressSpec, uint32 protection,  in __map_physical_memory_haiku()  argument
5810 	if (!arch_vm_supports_protection(protection))  in __map_physical_memory_haiku()
5813 	fix_protection(&protection);  in __map_physical_memory_haiku()
5816 		_virtualAddress, addressSpec, numBytes, protection, physicalAddress,  in __map_physical_memory_haiku()
5823 	uint32 protection, area_id source)  in clone_area()  argument
5825 	if ((protection & B_KERNEL_PROTECTION) == 0)  in clone_area()
5826 		protection |= B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA;  in clone_area()
5829 		addressSpec, protection, REGION_NO_PRIVATE_MAP, source, true);  in clone_area()
5835 	uint32 protection, uint32 flags, uint32 guardSize,  in create_area_etc()  argument
5840 	fix_protection(&protection);  in create_area_etc()
5842 	return vm_create_anonymous_area(team, name, size, lock, protection, flags,  in create_area_etc()
5850 	size_t size, uint32 lock, uint32 protection)  in __create_area_haiku()  argument
5852 	fix_protection(&protection);  in __create_area_haiku()
5859 		lock, protection, 0, 0, &virtualRestrictions, &physicalRestrictions,  in __create_area_haiku()
6031 	uint32 protection, area_id sourceArea)  in _user_clone_area()  argument
6042 	if ((protection & ~B_USER_AREA_FLAGS) != 0)  in _user_clone_area()
6051 	fix_protection(&protection);  in _user_clone_area()
6054 		&address, addressSpec, protection, REGION_NO_PRIVATE_MAP, sourceArea,  in _user_clone_area()
6070 	size_t size, uint32 lock, uint32 protection)  in _user_create_area()  argument
6081 	if ((protection & ~B_USER_AREA_FLAGS) != 0)  in _user_create_area()
6099 	fix_protection(&protection);  in _user_create_area()
6106 		size, lock, protection, 0, 0, &virtualRestrictions,  in _user_create_area()
6134 	size_t size, uint32 protection, uint32 mapping, bool unmapAddressRange,  in _user_map_file()  argument
6141 	if ((protection & ~B_USER_AREA_FLAGS) != 0)  in _user_map_file()
6144 	fix_protection(&protection);  in _user_map_file()
6163 		addressSpec, size, protection, mapping, unmapAddressRange, fd, offset,  in _user_map_file()
6206 _user_set_memory_protection(void* _address, size_t size, uint32 protection)  in _user_set_memory_protection()  argument
6220 	if ((protection & ~B_USER_PROTECTION) != 0)  in _user_set_memory_protection()
6223 	fix_protection(&protection);  in _user_set_memory_protection()
6247 			if ((area->protection & B_KERNEL_AREA) != 0)  in _user_set_memory_protection()
6250 				&& (protection & area->protection_max) != (protection & B_USER_PROTECTION)) {  in _user_set_memory_protection()
6289 			if (area->protection == protection)  in _user_set_memory_protection()
6294 					area->id, protection, false);  in _user_set_memory_protection()
6313 			const bool becomesWritable = (protection & B_WRITE_AREA) != 0;  in _user_set_memory_protection()
6345 			set_area_page_protection(area, pageAddress, protection);  in _user_set_memory_protection()
6368 				&& (protection & B_WRITE_AREA) != 0;  in _user_set_memory_protection()
6371 				map->ProtectPage(area, pageAddress, protection);  in _user_set_memory_protection()
6526 	uint32 protection = get_area_page_protection(area, (addr_t)address);  in _user_get_memory_properties()  local
6531 	error = user_memcpy(_protected, &protection, sizeof(protection));  in _user_get_memory_properties()
6688 	size_t numBytes, uint32 addressSpec, uint32 protection,  in __map_physical_memory_beos()  argument
6692 		addressSpec, protection, _virtualAddress);  in __map_physical_memory_beos()
6701 	size_t size, uint32 lock, uint32 protection)  in __create_area_beos()  argument
6716 		protection);  in __create_area_beos()