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6bdb81ad87
InodeVMObject is a VMObject with an underlying Inode in the filesystem. AnonymousVMObject has no Inode. I'm happy that InodeVMObject::inode() can now return Inode& instead of VMObject::inode() return Inode*. :^)
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#include <Kernel/VM/AnonymousVMObject.h>
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#include <Kernel/VM/PhysicalPage.h>
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NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_with_size(size_t size)
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{
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size = ceil_div(size, PAGE_SIZE) * PAGE_SIZE;
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return adopt(*new AnonymousVMObject(size));
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}
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NonnullRefPtr<AnonymousVMObject> AnonymousVMObject::create_for_physical_range(PhysicalAddress paddr, size_t size)
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{
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size = ceil_div(size, PAGE_SIZE) * PAGE_SIZE;
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return adopt(*new AnonymousVMObject(paddr, size));
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}
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AnonymousVMObject::AnonymousVMObject(size_t size)
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: VMObject(size, ShouldFillPhysicalPages::Yes)
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{
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}
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AnonymousVMObject::AnonymousVMObject(PhysicalAddress paddr, size_t size)
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: VMObject(size, ShouldFillPhysicalPages::No)
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{
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for (size_t i = 0; i < size; i += PAGE_SIZE)
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m_physical_pages.append(PhysicalPage::create(paddr.offset(i), false, false));
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ASSERT(m_physical_pages.size() == page_count());
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}
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AnonymousVMObject::AnonymousVMObject(const AnonymousVMObject& other)
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: VMObject(other)
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{
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}
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AnonymousVMObject::~AnonymousVMObject()
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{
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}
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NonnullRefPtr<VMObject> AnonymousVMObject::clone()
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{
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return adopt(*new AnonymousVMObject(*this));
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}
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