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Code Issues Projects Releases Packages Wiki Activity Actions 9

Tidy up the page fault code a bit in preparation.

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This commit is contained in:
Andreas Kling 2018-11-05 10:29:19 +01:00
parent 72cdc62155
commit e85c22fe58
Notes: sideshowbarker 2024-07-19 18:33:41 +09:00
4 changed files with 19 additions and 18 deletions
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11
Kernel/MemoryManager.cpp
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@ -105,7 +105,8 @@ void MemoryManager::deallocate_page_table(PageDirectory& page_directory, unsigne
{
auto& physical_page = page_directory.physical_pages[index];
ASSERT(physical_page);
ASSERT(!m_free_physical_pages.contains_slow(physical_page));
//FIXME: This line is buggy and effectful somehow :(
//ASSERT(!m_free_physical_pages.contains_slow(physical_page));
for (size_t i = 0; i < MM.m_free_physical_pages.size(); ++i) {
ASSERT(MM.m_free_physical_pages[i].ptr() != physical_page.ptr());
}
@ -207,13 +208,13 @@ void MemoryManager::initialize()
s_the = new MemoryManager;
}
PageFaultResponse MemoryManager::handlePageFault(const PageFault& fault)
PageFaultResponse MemoryManager::handle_page_fault(const PageFault& fault)
{
ASSERT_INTERRUPTS_DISABLED();
kprintf("MM: handlePageFault(%w) at L%x\n", fault.code(), fault.address().get());
if (fault.isNotPresent()) {
kprintf("MM: handle_page_fault(%w) at L%x\n", fault.code(), fault.laddr().get());
if (fault.is_not_present()) {
kprintf(" >> NP fault!\n");
} else if (fault.isProtectionViolation()) {
} else if (fault.is_protection_violation()) {
kprintf(" >> PV fault!\n");
}
return PageFaultResponse::ShouldCrash;