PRODINFO: Revamp blanking/write disallow policy. (#913)

* exo/fusee: hookup new prodinfo settings

* fusee: new scheme doesn't need FLAGS_DEFAULT

* fusee: fix c/p errors

* ams.mitm: completely revamp prodinfo backup mechanism

* ams.mitm: Implement revamped blanking/write policy

* strat: make early boot more debuggable

* exo: condense flag logic

stratosphere/ams_mitm/source/bpc_mitm/bpc_ams_module.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018-2020 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 "../amsmitm_initialization.hpp"
+#include "bpc_ams_module.hpp"
+#include "bpc_ams_service.hpp"
+
+namespace ams::mitm::bpc_ams {
+
+    namespace {
+
+        constexpr sm::ServiceName AtmosphereServiceName = sm::ServiceName::Encode("bpc:ams");
+        constexpr size_t          AtmosphereMaxSessions = 4;
+
+        constexpr size_t MaxServers = 1;
+        constexpr size_t MaxSessions = AtmosphereMaxSessions;
+        using ServerOptions = sf::hipc::DefaultServerManagerOptions;
+        sf::hipc::ServerManager<MaxServers, ServerOptions, MaxSessions> g_server_manager;
+
+    }
+
+    void MitmModule::ThreadFunction(void *arg) {
+        /* Create bpc:ams. */
+        {
+            Handle bpcams_h;
+            R_ABORT_UNLESS(svcManageNamedPort(&bpcams_h, AtmosphereServiceName.name, AtmosphereMaxSessions));
+            g_server_manager.RegisterServer<bpc::AtmosphereService>(bpcams_h);
+        }
+
+        /* Loop forever, servicing our services. */
+        g_server_manager.LoopProcess();
+    }
+
+}