add entire atmosphere source code and also add ram timing fixes

Source/Atmosphere/libraries/libexosphere/source/hw/hw_cache.arch.arm64.cpp

@@ -0,0 +1,40 @@
+/*
+ * 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/>.
+ */
+#include <exosphere.hpp>
+
+namespace ams::hw::arch::arm64 {
+
+    void FlushDataCache(const void *ptr, size_t size) {
+        const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
+        const uintptr_t end   = util::AlignUp(start + size, hw::DataCacheLineSize);
+
+        for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
+            FlushDataCacheLine(reinterpret_cast<void *>(cur));
+        }
+    }
+
+
+
+    void InvalidateDataCache(const void *ptr, size_t size) {
+        const uintptr_t start = reinterpret_cast<uintptr_t>(ptr);
+        const uintptr_t end   = util::AlignUp(start + size, hw::DataCacheLineSize);
+
+        for (uintptr_t cur = start; cur < end; cur += hw::DataCacheLineSize) {
+            InvalidateDataCacheLine(reinterpret_cast<void *>(cur));
+        }
+    }
+
+}