Merge pull request #1 from wheremyfoodat/master

Not Ignoring this PR I fucked up something on my Github GUI

.github/workflows/Linux_Build.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DENABLE_USER_BUILD=ON
 
     - name: Build
       # Build your program with the given configuration

.github/workflows/MacOS_Build.yml

@@ -23,13 +23,10 @@ jobs:
     - name: Fetch submodules
       run: git submodule update --init --recursive
 
-    - name: Install LLVM # MacOS comes with "AppleClang" instead of regular Clang, and it can't build the project because no proper C++20
-      run: brew install llvm
-
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_C_COMPILER=/usr/local/opt/llvm/bin/clang -DCMAKE_CXX_COMPILER=/usr/local/opt/llvm/bin/clang++
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DENABLE_USER_BUILD=ON
 
     - name: Build
       # Build your program with the given configuration

.github/workflows/Windows_Build.yml

@@ -26,7 +26,7 @@ jobs:
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DENABLE_USER_BUILD=ON
 
     - name: Build
       # Build your program with the given configuration

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.10)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 
-if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 12)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 12)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fbracket-depth=4096")
 endif()
 
@@ -13,8 +13,14 @@ endif()
 project(Alber)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 
+if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-format-nonliteral -Wno-format-security")
+endif() 
+
+option(DISABLE_PANIC_DEV "Make a build with fewer and less intrusive asserts" OFF)
 option(GPU_DEBUG_INFO "Enable additional GPU debugging info" OFF)
 option(ENABLE_LTO "Enable link-time optimization" OFF)
+option(ENABLE_USER_BUILD "Make a user-facing build. These builds have various assertions disabled, LTO, and more" OFF)
 
 include_directories(${PROJECT_SOURCE_DIR}/include/)
 include_directories(${PROJECT_SOURCE_DIR}/include/kernel)
@@ -159,7 +165,7 @@ source_group("Source Files\\Third Party" FILES ${THIRD_PARTY_SOURCE_FILES})
 add_executable(Alber ${SOURCE_FILES} ${FS_SOURCE_FILES} ${CRYPTO_SOURCE_FILES} ${KERNEL_SOURCE_FILES} ${LOADER_SOURCE_FILES} ${SERVICE_SOURCE_FILES}
 ${PICA_SOURCE_FILES} ${RENDERER_GL_SOURCE_FILES} ${THIRD_PARTY_SOURCE_FILES} ${HEADER_FILES})
 
-if(ENABLE_LTO)
+if(ENABLE_LTO OR ENABLE_USER_BUILD)
   set_target_properties(Alber PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
 endif()
 
@@ -167,4 +173,12 @@ target_link_libraries(Alber PRIVATE dynarmic SDL2-static glad cryptopp)
 
 if(GPU_DEBUG_INFO)
   target_compile_definitions(Alber PRIVATE GPU_DEBUG_INFO=1)
-endif()
+endif()
+
+if(ENABLE_USER_BUILD)
+    target_compile_definitions(Alber PRIVATE PANDA3DS_USER_BUILD=1)
+endif()
+
+if(ENABLE_USER_BUILD OR DISABLE_PANIC_DEV)
+    target_compile_definitions(Alber PRIVATE PANDA3DS_LIMITED_PANICS=1)
+endif()

include/helpers.hpp

@@ -30,24 +30,31 @@ using s32 = std::int32_t;
 using s64 = std::int64_t;
 
 namespace Helpers {
-	[[noreturn]] static void panic(const char* fmt, ...) {
-		std::va_list args;
-		va_start(args, fmt);
+	// Unconditional panic, unlike panicDev which does not panic on user builds
+	template <class... Args>
+	[[noreturn]] static void panic(const char* fmt, Args&&... args) {
 		std::cout << termcolor::on_red << "[FATAL] ";
-		std::vprintf(fmt, args);
+		std::printf(fmt, args...);
 		std::cout << termcolor::reset << "\n";
-		va_end(args);
 
 		exit(1);
 	}
+	
+#ifdef PANDA3DS_LIMITED_PANICS
+	template <class... Args>
+	static void panicDev(const char* fmt, Args&&... args) {}
+#else
+	template <class... Args>
+	[[noreturn]] static void panicDev(const char* fmt, Args&&... args) {
+		panic(fmt, args...);
+	}
+#endif
 
-	static void warn(const char* fmt, ...) {
-		std::va_list args;
-		va_start(args, fmt);
+	template <class... Args>
+	static void warn(const char* fmt, Args&&... args) {
 		std::cout << termcolor::on_red << "[Warning] ";
-		std::vprintf(fmt, args);
+		std::printf(fmt, args...);
 		std::cout << termcolor::reset << "\n";
-		va_end(args);
 	}
 
 	static constexpr bool buildingInDebugMode() {
@@ -57,6 +64,13 @@ namespace Helpers {
 		return true;
 	}
 
+	static constexpr bool isUserBuild() {
+#ifdef PANDA3DS_USER_BUILD
+		return true;
+#endif
+		return false;
+	}
+
 	static void debug_printf(const char* fmt, ...) {
 		if constexpr (buildingInDebugMode()) {
 			std::va_list args;

include/services/hid.hpp

@@ -63,6 +63,8 @@ class HIDService {
 	MAKE_LOG_FUNCTION(log, hidLogger)
 
 	// Service commands
+	void disableAccelerometer(u32 messagePointer);
+	void disableGyroscopeLow(u32 messagePointer);
 	void enableAccelerometer(u32 messagePointer);
 	void enableGyroscopeLow(u32 messagePointer);
 	void getGyroscopeLowCalibrateParam(u32 messagePointer);

src/core/kernel/directory_operations.cpp

@@ -33,7 +33,7 @@ void Kernel::readDirectory(u32 messagePointer, Handle directory) {
 	const u32 entryCount = mem.read32(messagePointer + 4);
 	const u32 outPointer = mem.read32(messagePointer + 12);
 	logFileIO("Directory::Read (handle = %X, entry count = %d, out pointer = %08X)\n", directory, entryCount, outPointer);
-	Helpers::panic("Unimplemented FsDir::Read");
+	Helpers::panicDev("Unimplemented FsDir::Read");
 
 	mem.write32(messagePointer + 4, Result::Success);
 	mem.write32(messagePointer + 8, 0);

src/core/kernel/idle_thread.cpp

@@ -59,12 +59,12 @@ void Kernel::setupIdleThread() {
 	t.fpscr = FPSCR::ThreadDefault;
 
 	// Our idle thread should have as low of a priority as possible, because, well, it's an idle thread.
-	// We handle this by giving it a priority of 0xff, which is lower than is actually allowed for user threads
-	// (High priority value = low priority)
-	t.priority = 0xff;
+	// We handle this by giving it a priority of 0x40, which is lower than is actually allowed for user threads
+	// (High priority value = low priority). This is the same priority used in the retail kernel.
+	t.priority = 0x40;
 	t.status = ThreadStatus::Ready;
 
 	// Add idle thread to the list of thread indices
 	threadIndices.push_back(idleThreadIndex);
 	sortThreads();
-}
+}

src/core/loader/ncch.cpp

@@ -44,24 +44,21 @@ bool NCCH::loadFromHeader(Crypto::AESEngine &aesEngine, IOFile& file, const FSIn
 	exheaderInfo.offset = info.offset + 0x200;
 	exheaderInfo.size = exheaderSize;
 	exheaderInfo.hashRegionSize = 0;
+	exheaderInfo.encryptionInfo = std::nullopt;
 
 	exeFS.offset = info.offset + u64(*(u32*)&header[0x1A0]) * mediaUnit;
 	exeFS.size = u64(*(u32*)&header[0x1A4]) * mediaUnit;
 	exeFS.hashRegionSize = u64(*(u32*)&header[0x1A8]) * mediaUnit;
+	exeFS.encryptionInfo = std::nullopt;
 
 	romFS.offset = info.offset + u64(*(u32*)&header[0x1B0]) * mediaUnit;
 	romFS.size = u64(*(u32*)&header[0x1B4]) * mediaUnit;
 	romFS.hashRegionSize = u64(*(u32*)&header[0x1B8]) * mediaUnit;
+	romFS.encryptionInfo = std::nullopt;
 
+	// Shows whether we got the primary and secondary keys correctly
+	bool gotCryptoKeys = true;
 	if (encrypted) {
-		if (!aesEngine.haveKeys()) {
-			Helpers::panic(
-				"Loaded an encrypted ROM but AES keys don't seem to have been provided correctly! Navigate to the emulator's\n"
-				"app data folder and make sure you have a sysdata directory with a file called aes_keys.txt which contains your keys!"
-			);
-			return false;
-		}
-
 		Crypto::AESKey primaryKeyY;
 		Crypto::AESKey secondaryKeyY;
 		std::memcpy(primaryKeyY.data(), header, primaryKeyY.size());
@@ -69,44 +66,36 @@ bool NCCH::loadFromHeader(Crypto::AESEngine &aesEngine, IOFile& file, const FSIn
 		if (!seedCrypto) {
 			secondaryKeyY = primaryKeyY;
 		} else {
-			Helpers::panic("Seed crypto is not supported");
-			return false;
+			Helpers::warn("Seed crypto is not supported");
+			gotCryptoKeys = false;
 		}
 
 		auto primaryResult = getPrimaryKey(aesEngine, primaryKeyY);
-
-		if (!primaryResult.first) {
-			Helpers::panic("getPrimaryKey failed!");
-			return false;
-		}
-
-		Crypto::AESKey primaryKey = primaryResult.second;
-
 		auto secondaryResult = getSecondaryKey(aesEngine, secondaryKeyY);
 
-		if (!secondaryResult.first) {
-			Helpers::panic("getSecondaryKey failed!");
-			return false;
+		if (!primaryResult.first || !secondaryResult.first) {
+			gotCryptoKeys = false;
+		} else {
+			Crypto::AESKey primaryKey = primaryResult.second;
+			Crypto::AESKey secondaryKey = secondaryResult.second;
+
+			EncryptionInfo encryptionInfoTmp;
+			encryptionInfoTmp.normalKey = primaryKey;
+			encryptionInfoTmp.initialCounter.fill(0);
+
+			for (std::size_t i = 1; i <= sizeof(std::uint64_t) - 1; i++) {
+				encryptionInfoTmp.initialCounter[i] = header[0x108 + sizeof(std::uint64_t) - 1 - i];
+			}
+			encryptionInfoTmp.initialCounter[8] = 1;
+			exheaderInfo.encryptionInfo = encryptionInfoTmp;
+
+			encryptionInfoTmp.initialCounter[8] = 2;
+			exeFS.encryptionInfo = encryptionInfoTmp;
+
+			encryptionInfoTmp.normalKey = secondaryKey;
+			encryptionInfoTmp.initialCounter[8] = 3;
+			romFS.encryptionInfo = encryptionInfoTmp;
 		}
-
-		Crypto::AESKey secondaryKey = secondaryResult.second;
-
-		EncryptionInfo encryptionInfoTmp;
-		encryptionInfoTmp.normalKey = primaryKey;
-		encryptionInfoTmp.initialCounter.fill(0);
-
-		for (std::size_t i = 1; i <= sizeof(std::uint64_t) - 1; i++) {
-			encryptionInfoTmp.initialCounter[i] = header[0x108 + sizeof(std::uint64_t) - 1 - i];
-		}
-		encryptionInfoTmp.initialCounter[8] = 1;
-		exheaderInfo.encryptionInfo = encryptionInfoTmp;
-
-		encryptionInfoTmp.initialCounter[8] = 2;
-		exeFS.encryptionInfo = encryptionInfoTmp;
-
-		encryptionInfoTmp.normalKey = secondaryKey;
-		encryptionInfoTmp.initialCounter[8] = 3;
-		romFS.encryptionInfo = encryptionInfoTmp;
 	}
 
 	if (exheaderSize != 0) {
@@ -125,9 +114,28 @@ bool NCCH::loadFromHeader(Crypto::AESEngine &aesEngine, IOFile& file, const FSIn
 		if (u32(programID) == u32(jumpID) && encrypted) {
 			printf("NCSD is supposedly ecrypted but not actually encrypted\n");
 			encrypted = false;
+
+			// Cartridge is not actually encrypted, set all of our encryption info structures to nullopt
+			exheaderInfo.encryptionInfo = std::nullopt;
+			romFS.encryptionInfo = std::nullopt;
+			exeFS.encryptionInfo = std::nullopt;
 		}
+
 		// If it's truly encrypted, we need to read section again.
 		if (encrypted) {
+			if (!aesEngine.haveKeys()) {
+				Helpers::panic(
+					"Loaded an encrypted ROM but AES keys don't seem to have been provided correctly! Navigate to the emulator's\n"
+					"app data folder and make sure you have a sysdata directory with a file called aes_keys.txt which contains your keys!"
+				);
+				return false;
+			}
+
+			if (!gotCryptoKeys) {
+				Helpers::panic("ROM is encrypted but it seems we couldn't get either the primary or the secondary key");
+				return false;
+			}
+
 			auto [success, bytes] = readFromFile(file, exheaderInfo, &exheader[0], 0, exheaderSize);
 			if (!success || bytes != exheaderSize) {
 				printf("Failed to read Extended NCCH header\n");

src/core/memory.cpp

@@ -3,6 +3,7 @@
 #include "resource_limits.hpp"
 #include <cassert>
 #include <chrono> // For time since epoch
+#include <ctime>
 
 using namespace KernelMemoryTypes;
 
@@ -424,9 +425,20 @@ void Memory::mirrorMapping(u32 destAddress, u32 sourceAddress, u32 size) {
 u64 Memory::timeSince3DSEpoch() {
 	using namespace std::chrono;
 
-	// ms since Jan 1 1970
-	milliseconds ms = duration_cast<milliseconds>(system_clock::now().time_since_epoch());
-	// ms between Jan 1 1900 and Jan 1 1970 (2208988800 seconds elapsed between the two)
-	constexpr u64 offset = 2208988800ull * 1000;
-	return ms.count() + offset;
+	std::time_t rawTime = std::time(nullptr); // Get current UTC time
+	auto localTime = std::localtime(&rawTime); // Convert to local time
+
+	bool daylightSavings = localTime->tm_isdst > 0; // Get if time includes DST
+	localTime = std::gmtime(&rawTime);
+
+	// Use gmtime + mktime to calculate difference between local time and UTC
+	auto timezoneDifference = rawTime - std::mktime(localTime);
+	if (daylightSavings) {
+		timezoneDifference += 60ull * 60ull; // Add 1 hour (60 seconds * 60 minutes)
+	}
+
+	// seconds between Jan 1 1900 and Jan 1 1970
+	constexpr u64 offset = 2208988800ull;
+	milliseconds ms = duration_cast<milliseconds>(seconds(rawTime + timezoneDifference + offset));
+	return ms.count();
 }

src/core/renderer_gl/renderer_gl.cpp

@@ -931,7 +931,9 @@ void Renderer::bindDepthBuffer() {
 		tex = depthBufferCache.add(sampleBuffer).texture.m_handle;
 	}
 
-	if (PICA::DepthFmt::Depth24Stencil8 != depthBufferFormat) Helpers::panic("TODO: Should we remove stencil attachment?");
+	if (PICA::DepthFmt::Depth24Stencil8 != depthBufferFormat) {
+		Helpers::panicDev("TODO: Should we remove stencil attachment?");
+	}
 	auto attachment = depthBufferFormat == PICA::DepthFmt::Depth24Stencil8 ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
 	glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, tex, 0);
 }

src/core/services/apt.cpp

@@ -81,7 +81,10 @@ void APTService::handleSyncRequest(u32 messagePointer) {
 		case APTCommands::SetApplicationCpuTimeLimit: setApplicationCpuTimeLimit(messagePointer); break;
 		case APTCommands::SetScreencapPostPermission: setScreencapPostPermission(messagePointer); break;
 		case APTCommands::TheSmashBrosFunction: theSmashBrosFunction(messagePointer); break;
-		default: Helpers::panic("APT service requested. Command: %08X\n", command);
+		default:
+			Helpers::panicDev("APT service requested. Command: %08X\n", command);
+			mem.write32(messagePointer + 4, Result::Success);
+			break;
 	}
 }
 

src/core/services/cecd.cpp

@@ -16,7 +16,10 @@ void CECDService::handleSyncRequest(u32 messagePointer) {
 	const u32 command = mem.read32(messagePointer);
 	switch (command) {
 		case CECDCommands::GetInfoEventHandle: getInfoEventHandle(messagePointer); break;
-		default: Helpers::panic("CECD service requested. Command: %08X\n", command);
+		default:
+			Helpers::panicDev("CECD service requested. Command: %08X\n", command);
+			mem.write32(messagePointer + 4, Result::Success);
+			break;
 	}
 }
 

src/core/services/hid.cpp

@@ -7,7 +7,9 @@ namespace HIDCommands {
 	enum : u32 {
 		GetIPCHandles = 0x000A0000,
 		EnableAccelerometer = 0x00110000,
+		DisableAccelerometer = 0x00120000,
 		EnableGyroscopeLow = 0x00130000,
+		DisableGyroscopeLow = 0x00140000,
 		GetGyroscopeLowRawToDpsCoefficient = 0x00150000,
 		GetGyroscopeLowCalibrateParam = 0x00160000
 	};
@@ -36,6 +38,8 @@ void HIDService::reset() {
 void HIDService::handleSyncRequest(u32 messagePointer) {
 	const u32 command = mem.read32(messagePointer);
 	switch (command) {
+		case HIDCommands::DisableAccelerometer: disableAccelerometer(messagePointer); break;
+		case HIDCommands::DisableGyroscopeLow: disableGyroscopeLow(messagePointer); break;
 		case HIDCommands::EnableAccelerometer: enableAccelerometer(messagePointer); break;
 		case HIDCommands::EnableGyroscopeLow: enableGyroscopeLow(messagePointer); break;
 		case HIDCommands::GetGyroscopeLowCalibrateParam: getGyroscopeLowCalibrateParam(messagePointer); break;
@@ -53,6 +57,14 @@ void HIDService::enableAccelerometer(u32 messagePointer) {
 	mem.write32(messagePointer + 4, Result::Success);
 }
 
+void HIDService::disableAccelerometer(u32 messagePointer) {
+	log("HID::DisableAccelerometer\n");
+	accelerometerEnabled = false;
+
+	mem.write32(messagePointer, IPC::responseHeader(0x12, 1, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 void HIDService::enableGyroscopeLow(u32 messagePointer) {
 	log("HID::EnableGyroscopeLow\n");
 	gyroEnabled = true;
@@ -61,6 +73,14 @@ void HIDService::enableGyroscopeLow(u32 messagePointer) {
 	mem.write32(messagePointer + 4, Result::Success);
 }
 
+void HIDService::disableGyroscopeLow(u32 messagePointer) {
+	log("HID::DisableGyroscopeLow\n");
+	gyroEnabled = false;
+
+	mem.write32(messagePointer, IPC::responseHeader(0x14, 1, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 void HIDService::getGyroscopeLowCalibrateParam(u32 messagePointer) {
 	log("HID::GetGyroscopeLowCalibrateParam\n");
 	constexpr s16 unit = 6700; // Approximately from Citra which took it from hardware