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kern: implement KThread::Finalize

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Michael Scire 2020-07-21 04:58:54 -07:00 • committed by SciresM
parent 3265927ed7
commit 3cf793f87e
4 changed files with 117 additions and 2 deletions
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26
libraries/libmesosphere/source/kern_k_page_table_base.cpp
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@ -1358,7 +1358,31 @@ namespace ams::kern {
}
Result KPageTableBase::UnmapPages(KProcessAddress address, size_t num_pages, KMemoryState state) {
MESOSPHERE_UNIMPLEMENTED();
/* Check that the unmap is in range. */
const size_t size = num_pages * PageSize;
R_UNLESS(this->Contains(address, size), svc::ResultInvalidCurrentMemory());
/* Lock the table. */
KScopedLightLock lk(this->general_lock);
/* Check the memory state. */
R_TRY(this->CheckMemoryState(address, size, KMemoryState_All, state, KMemoryPermission_None, KMemoryPermission_None, KMemoryAttribute_All, KMemoryAttribute_None));
/* Create an update allocator. */
KMemoryBlockManagerUpdateAllocator allocator(this->memory_block_slab_manager);
R_TRY(allocator.GetResult());
/* We're going to perform an update, so create a helper. */
KScopedPageTableUpdater updater(this);
/* Perform the unmap. */
const KPageProperties unmap_properties = { KMemoryPermission_None, false, false, false };
R_TRY(this->Operate(updater.GetPageList(), address, num_pages, Null<KPhysicalAddress>, false, unmap_properties, OperationType_Unmap, false));
/* Update the blocks. */
this->memory_block_manager.Update(&allocator, address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
return ResultSuccess();
}
Result KPageTableBase::MapPageGroup(KProcessAddress *out_addr, const KPageGroup &pg, KProcessAddress region_start, size_t region_num_pages, KMemoryState state, KMemoryPermission perm) {