ams_mitm: implement bpc:mitm

stratosphere/ams_mitm/source/amsmitm_initialization.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2018-2019 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 <stratosphere.hpp>
+#include "amsmitm_initialization.hpp"
+#include "amsmitm_fs_utils.hpp"
+
+namespace ams::mitm {
+
+    namespace {
+
+        void InitializeThreadFunc(void *arg);
+
+        constexpr size_t InitializeThreadStackSize = 0x4000;
+        constexpr int    InitializeThreadPriority  = 0x15;
+        os::StaticThread<InitializeThreadStackSize> g_initialize_thread(&InitializeThreadFunc, nullptr, InitializeThreadPriority);
+
+        /* Globals. */
+        os::Event g_init_event(false);
+
+        /* Initialization implementation */
+        void InitializeThreadFunc(void *arg) {
+            /* Wait for the SD card to be ready. */
+            cfg::WaitSdCardInitialized();
+
+            /* TODO: Other initialization tasks. */
+
+            /* Open global SD card file system, so that other threads can begin using the SD. */
+            mitm::fs::OpenGlobalSdCardFileSystem();
+
+            /* Signal to waiters that we are ready. */
+            g_init_event.Signal();
+        }
+
+    }
+
+    void StartInitialize() {
+        R_ASSERT(g_initialize_thread.Start());
+    }
+
+    bool IsInitialized() {
+        return g_init_event.TryWait();
+    }
+
+    void WaitInitialized() {
+        g_init_event.Wait();
+    }
+
+}