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kern: implement transfer memory (and SVCs)

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This commit is contained in:
Michael Scire
2020-07-23 00:44:33 -07:00
committed by SciresM
parent 28aab09b5d
commit d87a9f011c
8 changed files with 312 additions and 19 deletions
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28
libraries/libmesosphere/include/mesosphere/kern_k_transfer_memory.hpp
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@@ -22,8 +22,34 @@ namespace ams::kern {
class KTransferMemory final : public KAutoObjectWithSlabHeapAndContainer<KTransferMemory, KAutoObjectWithList> {
MESOSPHERE_AUTOOBJECT_TRAITS(KTransferMemory, KAutoObject);
private:
TYPED_STORAGE(KPageGroup) page_group;
KProcess *owner;
KProcessAddress address;
KLightLock lock;
ams::svc::MemoryPermission owner_perm;
bool is_initialized;
bool is_mapped;
public:
/* TODO: This is a placeholder definition. */
explicit KTransferMemory() : owner(nullptr), address(Null<KProcessAddress>), owner_perm(ams::svc::MemoryPermission_None), is_initialized(false), is_mapped(false) {
/* ... */
}
virtual ~KTransferMemory() { /* ... */ }
Result Initialize(KProcessAddress addr, size_t size, ams::svc::MemoryPermission own_perm);
virtual void Finalize() override;
virtual bool IsInitialized() const override { return this->is_initialized; }
virtual uintptr_t GetPostDestroyArgument() const override { return reinterpret_cast<uintptr_t>(this->owner); }
static void PostDestroy(uintptr_t arg);
Result Map(KProcessAddress address, size_t size, ams::svc::MemoryPermission map_perm);
Result Unmap(KProcessAddress address, size_t size);
KProcess *GetOwner() const { return this->owner; }
KProcessAddress GetSourceAddress() { return this->address; }
size_t GetSize() const { return this->is_initialized ? GetReference(this->page_group).GetNumPages() * PageSize : 0; }
};
}