Implement getargc and getargv (#3562)

* Implement getargc and getargv

* update copyright year

* the loathsome clang-formatter

src/core/libraries/kernel/kernel.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <thread>
@@ -35,6 +35,7 @@
 #include <common/singleton.h>
 #include <core/libraries/network/net_error.h>
 #include <core/libraries/network/sockets.h>
+#include <core/linker.h>
 #include "aio.h"
 
 namespace Libraries::Kernel {
@@ -47,6 +48,8 @@ static std::condition_variable_any cv_asio_req;
 static std::atomic<u32> asio_requests;
 static std::jthread service_thread;
 
+Core::EntryParams entry_params{};
+
 void KernelSignalRequest() {
     std::unique_lock lock{m_asio_req};
     ++asio_requests;
@@ -245,6 +248,14 @@ s32 PS4_SYSV_ABI sceKernelGetSystemSwVersion(SwVersionStruct* ret) {
     return ORBIS_OK;
 }
 
+s32 PS4_SYSV_ABI getargc() {
+    return entry_params.argc;
+}
+
+const char** PS4_SYSV_ABI getargv() {
+    return entry_params.argv;
+}
+
 void RegisterLib(Core::Loader::SymbolsResolver* sym) {
     service_thread = std::jthread{KernelServiceThread};
 
@@ -314,6 +325,8 @@ void RegisterLib(Core::Loader::SymbolsResolver* sym) {
 
     LIB_FUNCTION("4oXYe9Xmk0Q", "libkernel", 1, "libkernel", sceKernelGetGPI);
     LIB_FUNCTION("ca7v6Cxulzs", "libkernel", 1, "libkernel", sceKernelSetGPO);
+    LIB_FUNCTION("iKJMWrAumPE", "libkernel", 1, "libkernel", getargc);
+    LIB_FUNCTION("FJmglmTMdr4", "libkernel", 1, "libkernel", getargv);
 }
 
 } // namespace Libraries::Kernel

src/core/libraries/kernel/kernel.h

@@ -1,10 +1,11 @@
-// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
 #include "common/types.h"
 #include "core/libraries/kernel/orbis_error.h"
+#include "core/linker.h"
 
 namespace Core::Loader {
 class SymbolsResolver;
@@ -17,6 +18,8 @@ s32 ErrnoToSceKernelError(s32 e);
 void SetPosixErrno(s32 e);
 s32* PS4_SYSV_ABI __Error();
 
+extern Core::EntryParams entry_params;
+
 template <class F, F f>
 struct OrbisWrapperImpl;
 

src/core/linker.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "common/alignment.h"
@@ -13,6 +13,7 @@
 #include "core/aerolib/aerolib.h"
 #include "core/aerolib/stubs.h"
 #include "core/devtools/widget/module_list.h"
+#include "core/libraries/kernel/kernel.h"
 #include "core/libraries/kernel/memory.h"
 #include "core/libraries/kernel/threads.h"
 #include "core/linker.h"
@@ -135,7 +136,7 @@ void Linker::Execute(const std::vector<std::string> args) {
         ASSERT_MSG(result == 0, "Unable to emulate libSceGnmDriver initialization");
 
         // Start main module.
-        EntryParams params{};
+        EntryParams& params = Libraries::Kernel::entry_params;
         params.argc = 1;
         params.argv[0] = "eboot.bin";
         if (!args.empty()) {

src/video_core/texture_cache/texture_cache.h

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -17,10 +17,6 @@
 #include "video_core/texture_cache/sampler.h"
 #include "video_core/texture_cache/tile_manager.h"
 
-namespace Core::Libraries::VideoOut {
-struct BufferAttributeGroup;
-}
-
 namespace VideoCore {
 
 class BufferCache;