33 lines
680 B
C++
33 lines
680 B
C++
|
#include <Kernel/VM/PageDirectory.h>
|
||
|
|
#include <Kernel/VM/MemoryManager.h>
|
||
|
|
#include <Kernel/Process.h>
|
||
|
|
#include <Kernel/Thread.h>
|
||
|
|
|
||
|
|
PageDirectory::PageDirectory(PhysicalAddress paddr)
|
||
|
|
{
|
||
|
|
m_directory_page = PhysicalPage::create_eternal(paddr, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
PageDirectory::PageDirectory()
|
||
|
|
{
|
||
|
|
MM.populate_page_directory(*this);
|
||
|
|
}
|
||
|
|
|
||
|
|
PageDirectory::~PageDirectory()
|
||
|
|
{
|
||
|
|
#ifdef MM_DEBUG
|
||
|
|
dbgprintf("MM: ~PageDirectory K%x\n", this);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void PageDirectory::flush(LinearAddress laddr)
|
||
|
|
{
|
||
|
|
#ifdef MM_DEBUG
|
||
|
|
dbgprintf("MM: Flush page L%x\n", laddr.get());
|
||
|
|
#endif
|
||
|
|
if (!current)
|
||
|
|
return;
|
||
|
|
if (¤t->process().page_directory() == this)
|
||
|
|
MM.flush_tlb(laddr);
|
||
|
|
}
|