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kern: implement page group unmapping

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This commit is contained in:
Michael Scire
2020-02-18 01:04:44 -08:00
parent 25b0baae59
commit 154422562a
11 changed files with 654 additions and 12 deletions
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4
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
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@@ -169,6 +169,8 @@ namespace ams::kern {
KPageTableImpl &GetImpl() { return this->impl; }
const KPageTableImpl &GetImpl() const { return this->impl; }
KBlockInfoManager *GetBlockInfoManager() const { return this->block_info_manager; }
bool IsLockedByCurrentThread() const { return this->general_lock.IsLockedByCurrentThread(); }
bool IsHeapPhysicalAddress(KPhysicalAddress phys_addr) {
@@ -212,6 +214,8 @@ namespace ams::kern {
Result AllocateAndMapPagesImpl(PageLinkedList *page_list, KProcessAddress address, size_t num_pages, const KPageProperties properties);
Result MapPageGroupImpl(PageLinkedList *page_list, KProcessAddress address, const KPageGroup &pg, const KPageProperties properties, bool reuse_ll);
bool IsValidPageGroup(const KPageGroup &pg, KProcessAddress addr, size_t num_pages) const;
NOINLINE Result MapPages(KProcessAddress *out_addr, size_t num_pages, size_t alignment, KPhysicalAddress phys_addr, bool is_pa_valid, KProcessAddress region_start, size_t region_num_pages, KMemoryState state, KMemoryPermission perm);
public:
bool GetPhysicalAddress(KPhysicalAddress *out, KProcessAddress virt_addr) const {