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kern: implement IsValidPageGroup

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This commit is contained in:
Michael Scire 2020-02-18 01:44:40 -08:00
parent 154422562a
commit 772e1f1c4f
4 changed files with 89 additions and 6 deletions
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1
libraries/libmesosphere/include/mesosphere/kern_k_page_group.hpp
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@ -90,6 +90,7 @@ namespace ams::kern {
iterator begin() const { return this->block_list.begin(); }
iterator end() const { return this->block_list.end(); }
bool empty() const { return this->block_list.empty(); }
Result AddBlock(KVirtualAddress addr, size_t num_pages);
void Open() const;

5
libraries/libmesosphere/include/mesosphere/kern_k_page_table_base.hpp
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@ -35,6 +35,9 @@ namespace ams::kern {
class KPageTableBase {
NON_COPYABLE(KPageTableBase);
NON_MOVEABLE(KPageTableBase);
public:
using TraversalEntry = KPageTableImpl::TraversalEntry;
using TraversalContext = KPageTableImpl::TraversalContext;
protected:
enum MemoryFillValue {
MemoryFillValue_Zero = 0,
@ -214,7 +217,7 @@ 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;
bool IsValidPageGroup(const KPageGroup &pg, KProcessAddress addr, size_t num_pages);
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: