1 files changed, 175 insertions, 0 deletions

diff --git a/src/yuzu_cmd/citra.cpp b/src/yuzu_cmd/citra.cpp
new file mode 100644
index 000000000..e524c5535
--- /dev/null
+++ b/src/yuzu_cmd/citra.cpp
@@ -0,0 +1,175 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <iostream>
+#include <memory>
+#include <string>
+#include <thread>
+
+// This needs to be included before getopt.h because the latter #defines symbols used by it
+#include "common/microprofile.h"
+
+#ifdef _MSC_VER
+#include <getopt.h>
+#else
+#include <getopt.h>
+#include <unistd.h>
+#endif
+
+#ifdef _WIN32
+// windows.h needs to be included before shellapi.h
+#include <windows.h>
+
+#include <shellapi.h>
+#endif
+
+#include "citra/config.h"
+#include "citra/emu_window/emu_window_sdl2.h"
+#include "common/logging/backend.h"
+#include "common/logging/filter.h"
+#include "common/logging/log.h"
+#include "common/scm_rev.h"
+#include "common/scope_exit.h"
+#include "common/string_util.h"
+#include "core/core.h"
+#include "core/gdbstub/gdbstub.h"
+#include "core/loader/loader.h"
+#include "core/settings.h"
+
+static void PrintHelp(const char* argv0) {
+    std::cout << "Usage: " << argv0
+              << " [options] <filename>\n"
+                 "-g, --gdbport=NUMBER  Enable gdb stub on port NUMBER\n"
+                 "-h, --help            Display this help and exit\n"
+                 "-v, --version         Output version information and exit\n";
+}
+
+static void PrintVersion() {
+    std::cout << "Citra " << Common::g_scm_branch << " " << Common::g_scm_desc << std::endl;
+}
+
+/// Application entry point
+int main(int argc, char** argv) {
+    Config config;
+    int option_index = 0;
+    bool use_gdbstub = Settings::values.use_gdbstub;
+    u32 gdb_port = static_cast<u32>(Settings::values.gdbstub_port);
+    char* endarg;
+#ifdef _WIN32
+    int argc_w;
+    auto argv_w = CommandLineToArgvW(GetCommandLineW(), &argc_w);
+
+    if (argv_w == nullptr) {
+        LOG_CRITICAL(Frontend, "Failed to get command line arguments");
+        return -1;
+    }
+#endif
+    std::string filepath;
+
+    static struct option long_options[] = {
+        {"gdbport", required_argument, 0, 'g'},
+        {"help", no_argument, 0, 'h'},
+        {"version", no_argument, 0, 'v'},
+        {0, 0, 0, 0},
+    };
+
+    while (optind < argc) {
+        char arg = getopt_long(argc, argv, "g:hv", long_options, &option_index);
+        if (arg != -1) {
+            switch (arg) {
+            case 'g':
+                errno = 0;
+                gdb_port = strtoul(optarg, &endarg, 0);
+                use_gdbstub = true;
+                if (endarg == optarg)
+                    errno = EINVAL;
+                if (errno != 0) {
+                    perror("--gdbport");
+                    exit(1);
+                }
+                break;
+            case 'h':
+                PrintHelp(argv[0]);
+                return 0;
+            case 'v':
+                PrintVersion();
+                return 0;
+            }
+        } else {
+#ifdef _WIN32
+            filepath = Common::UTF16ToUTF8(argv_w[optind]);
+#else
+            filepath = argv[optind];
+#endif
+            optind++;
+        }
+    }
+
+#ifdef _WIN32
+    LocalFree(argv_w);
+#endif
+
+    Log::Filter log_filter(Log::Level::Debug);
+    Log::SetFilter(&log_filter);
+
+    MicroProfileOnThreadCreate("EmuThread");
+    SCOPE_EXIT({ MicroProfileShutdown(); });
+
+    if (filepath.empty()) {
+        LOG_CRITICAL(Frontend, "Failed to load ROM: No ROM specified");
+        return -1;
+    }
+
+    log_filter.ParseFilterString(Settings::values.log_filter);
+
+    // Apply the command line arguments
+    Settings::values.gdbstub_port = gdb_port;
+    Settings::values.use_gdbstub = use_gdbstub;
+    Settings::Apply();
+
+    std::unique_ptr<EmuWindow_SDL2> emu_window{std::make_unique<EmuWindow_SDL2>()};
+
+    Core::System& system{Core::System::GetInstance()};
+
+    SCOPE_EXIT({ system.Shutdown(); });
+
+    const Core::System::ResultStatus load_result{system.Load(emu_window.get(), filepath)};
+
+    switch (load_result) {
+    case Core::System::ResultStatus::ErrorGetLoader:
+        LOG_CRITICAL(Frontend, "Failed to obtain loader for %s!", filepath.c_str());
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader:
+        LOG_CRITICAL(Frontend, "Failed to load ROM!");
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader_ErrorEncrypted:
+        LOG_CRITICAL(Frontend, "The game that you are trying to load must be decrypted before "
+                               "being used with Citra. \n\n For more information on dumping and "
+                               "decrypting games, please refer to: "
+                               "https://citra-emu.org/wiki/dumping-game-cartridges/");
+        return -1;
+    case Core::System::ResultStatus::ErrorLoader_ErrorInvalidFormat:
+        LOG_CRITICAL(Frontend, "Error while loading ROM: The ROM format is not supported.");
+        return -1;
+    case Core::System::ResultStatus::ErrorNotInitialized:
+        LOG_CRITICAL(Frontend, "CPUCore not initialized");
+        return -1;
+    case Core::System::ResultStatus::ErrorSystemMode:
+        LOG_CRITICAL(Frontend, "Failed to determine system mode!");
+        return -1;
+    case Core::System::ResultStatus::ErrorVideoCore:
+        LOG_CRITICAL(Frontend, "VideoCore not initialized");
+        return -1;
+    case Core::System::ResultStatus::Success:
+        break; // Expected case
+    }
+
+    Core::Telemetry().AddField(Telemetry::FieldType::App, "Frontend", "SDL");
+
+    while (emu_window->IsOpen()) {
+        system.RunLoop();
+    }
+
+    return 0;
+}