kern: add SvcCreateDeviceAddressSpace, SvcAttachDeviceAddressSpace

libraries/libmesosphere/source/kern_k_device_address_space.cpp

@@ -17,9 +17,55 @@
 
 namespace ams::kern {
 
+    /* Static initializer. */
     void KDeviceAddressSpace::Initialize() {
         /* This just forwards to the device page table manager. */
         KDevicePageTable::Initialize();
     }
 
+    /* Member functions. */
+    Result KDeviceAddressSpace::Initialize(u64 address, u64 size) {
+        MESOSPHERE_ASSERT_THIS();
+
+        /* Initialize the device page table. */
+        R_TRY(this->table.Initialize(address, size));
+
+        /* Set member variables. */
+        this->space_address  = address;
+        this->space_size     = size;
+        this->is_initialized = true;
+
+        return ResultSuccess();
+    }
+
+    void KDeviceAddressSpace::Finalize() {
+        MESOSPHERE_ASSERT_THIS();
+
+        /* Finalize the table. */
+        this->table.Finalize();
+
+        /* Finalize base. */
+        KAutoObjectWithSlabHeapAndContainer<KDeviceAddressSpace, KAutoObjectWithList>::Finalize();
+    }
+
+    Result KDeviceAddressSpace::Attach(ams::svc::DeviceName device_name) {
+        /* Lock the address space. */
+        KScopedLightLock lk(this->lock);
+
+        /* Attach. */
+        return this->table.Attach(device_name, this->space_address, this->space_size);
+    }
+
+    Result KDeviceAddressSpace::Detach(ams::svc::DeviceName device_name) {
+        MESOSPHERE_UNIMPLEMENTED();
+    }
+
+    Result KDeviceAddressSpace::Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, u64 device_address, ams::svc::MemoryPermission device_perm, bool is_aligned, bool refresh_mappings) {
+        MESOSPHERE_UNIMPLEMENTED();
+    }
+
+    Result KDeviceAddressSpace::Unmap(KProcessPageTable *page_table, KProcessAddress process_address, size_t size, u64 device_address) {
+        MESOSPHERE_UNIMPLEMENTED();
+    }
+
 }