os: add FlushDataCache

libraries/libstratosphere/include/stratosphere/ncm/ncm_content_manager_impl.hpp

@@ -37,7 +37,7 @@ namespace ams::ncm {
             size_t m_peak_total_alloc_size;
             size_t m_peak_alloc_size;
         public:
-            explicit ContentMetaMemoryResource(void *heap, size_t heap_size) : m_allocator(heap, heap_size), m_peak_alloc_size(0), m_peak_total_alloc_size(0) { /* ... */ }
+            explicit ContentMetaMemoryResource(void *heap, size_t heap_size) : m_allocator(heap, heap_size), m_peak_total_alloc_size(0), m_peak_alloc_size(0) { /* ... */ }
 
             mem::StandardAllocator *GetAllocator() { return std::addressof(m_allocator); }
             size_t GetPeakTotalAllocationSize() const { return m_peak_total_alloc_size; }

libraries/libstratosphere/include/stratosphere/os.hpp

@@ -53,3 +53,4 @@
 #include <stratosphere/os/os_io_region.hpp>
 #include <stratosphere/os/os_multiple_wait.hpp>
 #include <stratosphere/os/os_argument.hpp>
+#include <stratosphere/os/os_cache.hpp>

libraries/libstratosphere/include/stratosphere/os/os_cache.hpp

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::os {
+
+    void FlushDataCache(const void *addr, size_t size);
+    void FlushEntireDataCache();
+
+}