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Kernel: Change Region allocation helpers

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We now can create a cacheable Region, so when map() is called, if a
Region is cacheable then all the virtual memory space being allocated
to it will be marked as not cache disabled.

In addition to that, OS components can create a Region that will be
mapped to a specific physical address by using the appropriate helper
method.
This commit is contained in:
Liav A 2020-01-09 23:29:31 +02:00 • committed by Andreas Kling
parent b913e30011
commit d2b41010c5
7 changed files with 77 additions and 56 deletions
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13
Kernel/VM/PageDirectory.cpp
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@ -74,15 +74,4 @@ PageDirectory::~PageDirectory()
#endif
InterruptDisabler disabler;
cr3_map().remove(cr3());
}
void PageDirectory::flush(VirtualAddress vaddr)
{
#ifdef MM_DEBUG
dbgprintf("MM: Flush page V%p\n", vaddr.get());
#endif
if (!current)
return;
if (this == &MM.kernel_page_directory() || &current->process().page_directory() == this)
MM.flush_tlb(vaddr);
}
}