kern/test: add wip qemu-virt board support to mesosphere

tests/TestSvc/source/test_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>
+
+#define CATCH_CONFIG_NOSTDOUT
+#define CATCH_CONFIG_RUNNER
+#define CATCH_CONFIG_PREFIX_ALL
+#define CATCH_CONFIG_DISABLE_EXCEPTIONS
+#define CATCH_CONFIG_NO_POSIX_SIGNALS
+#include "catch.hpp"
+
+namespace ams {
+
+    namespace {
+
+        constexpr size_t MallocBufferSize = 16_MB;
+        alignas(os::MemoryPageSize) constinit u8 g_malloc_buffer[MallocBufferSize];
+
+    }
+
+    namespace init {
+
+        void InitializeSystemModuleBeforeConstructors() {
+            /* Catch has global-ctors which allocate, so we need to do this earlier than normal. */
+            init::InitializeAllocator(g_malloc_buffer, sizeof(g_malloc_buffer));
+        }
+
+        void InitializeSystemModule() { /* ... */ }
+
+        void FinalizeSystemModule() { /* ... */ }
+
+        void Startup() { /* ... */ }
+
+    }
+
+    void NORETURN Exit(int rc) {
+        AMS_UNUSED(rc);
+        AMS_ABORT("Exit called by immortal process");
+    }
+
+    void Main() {
+        /* Run tests. */
+        Catch::Session().run(os::GetHostArgc(), os::GetHostArgv());
+
+        AMS_INFINITE_LOOP();
+
+        /* This can never be reached. */
+        AMS_ASSUME(false);
+    }
+
+}
+
+namespace Catch {
+
+    namespace {
+
+        class OutputDebugStringStream : public std::stringbuf {
+            public:
+                OutputDebugStringStream() = default;
+                ~OutputDebugStringStream() { pubsync(); }
+
+                int sync() override {
+                    const auto message = str();
+                    return R_SUCCEEDED(ams::svc::OutputDebugString(message.c_str(), message.length())) ? 0 : -1;
+                }
+        };
+
+    }
+
+    std::ostream& cout() {
+        static std::ostream ret(new OutputDebugStringStream);
+        return ret;
+    }
+    std::ostream& clog() {
+        return cout();
+    }
+    std::ostream& cerr() {
+        return clog();
+    }
+}