ams-mtc: add ams-mtc

Source/Atmosphere-MTC-Unlock/stratosphere/ams_mitm/source/amsmitm_main.cpp

@@ -0,0 +1,93 @@
+/*
+ * 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 <stratosphere.hpp>
+#include "amsmitm_initialization.hpp"
+#include "amsmitm_module_management.hpp"
+#include "bpc_mitm/bpc_ams_power_utils.hpp"
+#include "sysupdater/sysupdater_fs_utils.hpp"
+
+namespace ams {
+
+    namespace {
+
+        /* TODO: we really shouldn't be using malloc just to avoid dealing with real allocator separation. */
+        constexpr size_t MallocBufferSize = 12_MB;
+        alignas(os::MemoryPageSize) constinit u8 g_malloc_buffer[MallocBufferSize];
+
+    }
+
+    namespace init {
+
+        void InitializeSystemModule() {
+            /* Initialize our connection to sm. */
+            R_ABORT_UNLESS(sm::Initialize());
+
+            /* Initialize fs. */
+            fs::InitializeForSystem();
+            fs::SetEnabledAutoAbort(false);
+
+            /* Initialize other services. */
+            R_ABORT_UNLESS(pmdmntInitialize());
+            R_ABORT_UNLESS(pminfoInitialize());
+            ncm::Initialize();
+
+            /* Verify that we can sanely execute. */
+            ams::CheckApiVersion();
+        }
+
+        void FinalizeSystemModule() { /* ... */ }
+
+        void Startup() {
+            /* Initialize the global malloc allocator. */
+            init::InitializeAllocator(g_malloc_buffer, sizeof(g_malloc_buffer));
+        }
+
+    }
+
+    void ExceptionHandler(FatalErrorContext *ctx) {
+        /* We're bpc-mitm (or ams_mitm, anyway), so manually reboot to fatal error. */
+        mitm::bpc::RebootForFatalError(ctx);
+    }
+
+    void NORETURN Exit(int rc) {
+        AMS_UNUSED(rc);
+        AMS_ABORT("Exit called by immortal process");
+    }
+
+    void Main() {
+        /* Register "ams" port, use up its session. */
+        {
+            svc::Handle ams_port;
+            R_ABORT_UNLESS(svc::ManageNamedPort(std::addressof(ams_port), "ams", 1));
+
+            svc::Handle ams_session;
+            R_ABORT_UNLESS(svc::ConnectToNamedPort(std::addressof(ams_session), "ams"));
+        }
+
+        /* Initialize fssystem library. */
+        fssystem::InitializeForAtmosphereMitm();
+
+        /* Configure ncm to use fssystem library to mount content from the sd card. */
+        ncm::SetMountContentMetaFunction(mitm::sysupdater::MountSdCardContentMeta);
+
+        /* Launch all mitm modules in sequence. */
+        mitm::LaunchAllModules();
+
+        /* Wait for all mitm modules to end. */
+        mitm::WaitAllModules();
+    }
+
+}