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Kernel: Split VMObject into two classes: Anonymous- and InodeVMObject

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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*. :^)
This commit is contained in:
Andreas Kling 2019-08-07 18:06:17 +02:00
parent cb2d572a14
commit 6bdb81ad87
16 changed files with 286 additions and 200 deletions
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3
Kernel/Devices/BXVGADevice.cpp
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@ -2,6 +2,7 @@
#include <Kernel/IO.h>
#include <Kernel/PCI.h>
#include <Kernel/Process.h>
#include <Kernel/VM/AnonymousVMObject.h>
#include <Kernel/VM/MemoryManager.h>
#include <LibC/errno_numbers.h>
@ -89,7 +90,7 @@ KResultOr<Region*> BXVGADevice::mmap(Process& process, FileDescription&, Virtual
{
ASSERT(offset == 0);
ASSERT(size == framebuffer_size_in_bytes());
auto vmo = VMObject::create_for_physical_range(framebuffer_address(), framebuffer_size_in_bytes());
auto vmo = AnonymousVMObject::create_for_physical_range(framebuffer_address(), framebuffer_size_in_bytes());
auto* region = process.allocate_region_with_vmo(
preferred_vaddr,
framebuffer_size_in_bytes(),