From 28b2eb482612313eacbcb991c16f6c1c3f861ebc Mon Sep 17 00:00:00 2001
From: Eric Warmenhoven <eric@warmenhoven.org>
Date: Thu, 7 Mar 2024 00:53:29 -0500
Subject: [PATCH] Build libretro core for tvOS

---
 .gitlab-ci.yml                    | 18 ++++++++++++++++--
 Source/ee/EeExecutor.cpp          | 10 +++++-----
 Source/ee/EeExecutor.h            |  4 +++-
 Source/ui_libretro/CMakeLists.txt |  6 +++++-
 4 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e017c1707e..55e71a5a07 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,8 @@
     GIT_SUBMODULE_STRATEGY: recursive
     CORENAME: play
     API_LEVEL: 19
-    CORE_ARGS: -DBUILD_LIBRETRO_CORE=ON -DBUILD_PLAY=OFF -DENABLE_AMAZON_S3=off -DBUILD_TESTS=OFF
+    BASE_CORE_ARGS: -DBUILD_LIBRETRO_CORE=ON -DBUILD_PLAY=OFF -DENABLE_AMAZON_S3=off -DBUILD_TESTS=OFF
+    CORE_ARGS: $BASE_CORE_ARGS
     EXTRA_PATH: Source/ui_libretro
 
 .core-defs-win:
@@ -48,6 +49,10 @@ include:
   - project: 'libretro-infrastructure/ci-templates'
     file: '/ios-cmake.yml'
 
+  # tvOS
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/tvos-cmake.yml'
+
 # Stages for building
 stages:
   - build-prepare
@@ -126,7 +131,16 @@ libretro-build-ios-arm64:
     - .libretro-ios-cmake-arm64
     - .core-defs
   variables:
-    CORE_ARGS: -DBUILD_LIBRETRO_CORE=ON -DBUILD_PLAY=OFF -DENABLE_AMAZON_S3=off -DBUILD_TESTS=OFF -DCMAKE_TOOLCHAIN_FILE=deps/Dependencies/cmake-ios/ios.cmake -DTARGET_IOS=ON
+    CORE_ARGS: $BASE_CORE_ARGS -DCMAKE_TOOLCHAIN_FILE=deps/Dependencies/cmake-ios/ios.cmake -DTARGET_IOS=ON
     LIBNAME: ${CORENAME}_libretro_ios.dylib
 
+# tvOS
+libretro-build-tvos-arm64:
+  extends:
+    - .libretro-tvos-cmake-arm64
+    - .core-defs
+  variables:
+    CORE_ARGS: $BASE_CORE_ARGS -DIOS_PLATFORM=TVOS -DCMAKE_TOOLCHAIN_FILE=deps/Dependencies/cmake-ios/ios.cmake -DTARGET_IOS=ON
+    LIBNAME: ${CORENAME}_libretro_tvos.dylib
+
 ################################### CONSOLES #################################
diff --git a/Source/ee/EeExecutor.cpp b/Source/ee/EeExecutor.cpp
index 534313a99c..96c95ad611 100644
--- a/Source/ee/EeExecutor.cpp
+++ b/Source/ee/EeExecutor.cpp
@@ -52,7 +52,7 @@ void CEeExecutor::AddExceptionHandler()
 #if defined(_WIN32)
 	m_handler = AddVectoredExceptionHandler(TRUE, &CEeExecutor::HandleException);
 	assert(m_handler != NULL);
-#elif defined(__unix__) || defined(__ANDROID__)
+#elif defined(__unix__) || defined(__ANDROID__) || TARGET_OS_TV
 	struct sigaction sigAction;
 	sigAction.sa_handler = nullptr;
 	sigAction.sa_sigaction = &HandleException;
@@ -60,7 +60,7 @@ void CEeExecutor::AddExceptionHandler()
 	sigemptyset(&sigAction.sa_mask);
 	int result = sigaction(SIGSEGV, &sigAction, nullptr);
 	assert(result >= 0);
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) && !TARGET_OS_TV
 	if(!m_running)
 	{
 		kern_return_t result = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &m_port);
@@ -80,7 +80,7 @@ void CEeExecutor::RemoveExceptionHandler()
 
 #if defined(_WIN32)
 	RemoveVectoredExceptionHandler(m_handler);
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) && !TARGET_OS_TV
 	m_running = false;
 	m_handlerThread.join();
 #endif
@@ -93,7 +93,7 @@ void CEeExecutor::RemoveExceptionHandler()
 void CEeExecutor::AttachExceptionHandlerToThread()
 {
 	//Only necessary for macOS and iOS since the handler is set on a thread basis
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !TARGET_OS_TV
 	assert(m_running);
 
 	auto result = mach_port_insert_right(mach_task_self(), m_port, m_port, MACH_MSG_TYPE_MAKE_SEND);
@@ -233,7 +233,7 @@ LONG CEeExecutor::HandleExceptionInternal(_EXCEPTION_POINTERS* exceptionInfo)
 	return EXCEPTION_CONTINUE_SEARCH;
 }
 
-#elif defined(__unix__) || defined(__ANDROID__)
+#elif defined(__unix__) || defined(__ANDROID__) || TARGET_OS_TV
 
 void CEeExecutor::HandleException(int sigId, siginfo_t* sigInfo, void* baseContext)
 {
diff --git a/Source/ee/EeExecutor.h b/Source/ee/EeExecutor.h
index 258e48464b..b0aa7c3aea 100644
--- a/Source/ee/EeExecutor.h
+++ b/Source/ee/EeExecutor.h
@@ -3,8 +3,10 @@
 #ifdef _WIN32
 #include <Windows.h>
 #elif defined(__APPLE__)
+#include <TargetConditionals.h>
 #include <mach/mach.h>
 #include <thread>
+#include <signal.h>
 #elif defined(__unix__)
 #include <signal.h>
 #endif
@@ -43,7 +45,7 @@ class CEeExecutor : public CGenericMipsExecutor<BlockLookupTwoWay>
 	LONG HandleExceptionInternal(_EXCEPTION_POINTERS*);
 
 	LPVOID m_handler = NULL;
-#elif defined(__unix__) || defined(__ANDROID__)
+#elif defined(__unix__) || defined(__ANDROID__) || TARGET_OS_TV
 	static void HandleException(int, siginfo_t*, void*);
 	void HandleExceptionInternal(int, siginfo_t*, void*);
 #elif defined(__APPLE__)
diff --git a/Source/ui_libretro/CMakeLists.txt b/Source/ui_libretro/CMakeLists.txt
index b84b0c402d..388a80d58e 100644
--- a/Source/ui_libretro/CMakeLists.txt
+++ b/Source/ui_libretro/CMakeLists.txt
@@ -61,7 +61,11 @@ if(TARGET_PLATFORM_ANDROID)
 	set_target_properties(play_libretro PROPERTIES SUFFIX "_android.so")
 endif()
 if(TARGET_PLATFORM_IOS)
-	set_target_properties(play_libretro PROPERTIES SUFFIX "_ios.dylib")
+	if(IOS_PLATFORM STREQUAL "TVOS")
+		set_target_properties(play_libretro PROPERTIES SUFFIX "_tvos.dylib")
+	else()
+		set_target_properties(play_libretro PROPERTIES SUFFIX "_ios.dylib")
+	endif()
 endif()
 
 target_link_libraries(play_libretro ${PROJECT_LIBS})