Switch: Initial port work

CMakeLists.txt

@@ -6,7 +6,9 @@ project(mGBA)
 set(BINARY_NAME mgba CACHE INTERNAL "Name of output binaries")
 if(NOT MSVC)
 	set(GCC_STD "c99")
-	if(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_COMPILER_VERSION VERSION_LESS "4.3")
+	if(SWITCH)
+		set(GCC_STD "gnu11")
+	elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_COMPILER_VERSION VERSION_LESS "4.3")
 		set(GCC_STD "gnu99")
 	endif()
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wno-missing-field-initializers -std=${GCC_STD}")
@@ -65,7 +67,7 @@ file(GLOB GBA_CHEATS_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/gba/cheats/*.c)
 file(GLOB GBA_RR_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/gba/rr/*.c)
 file(GLOB CORE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/core/*.c)
 file(GLOB CORE_TEST_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/core/test/*.c)
-file(GLOB UTIL_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/util/*.[cSs])
+file(GLOB UTIL_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/util/*.c)
 file(GLOB UTIL_TEST_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/util/test/*.c)
 file(GLOB GUI_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/util/gui/*.c ${CMAKE_CURRENT_SOURCE_DIR}/src/feature/gui/*.c)
 file(GLOB GBA_RENDERER_SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/gba/renderers/*.c)
@@ -283,7 +285,7 @@ if(PSP2 OR WII)
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-format")
 endif()
 
-if(DEFINED 3DS OR DEFINED PSP2 OR DEFINED WII)
+if(DEFINED 3DS OR DEFINED PSP2 OR DEFINED WII OR DEFINED SWITCH)
 	set(IS_EMBEDDED ON)
 	set(USE_DEBUGGERS OFF)
 	set(USE_SQLITE3 OFF)
@@ -331,7 +333,7 @@ if(NOT CMAKE_SYSTEM_NAME STREQUAL "Generic")
 	check_function_exists(uselocale HAVE_USELOCALE)
 	check_function_exists(setlocale HAVE_SETLOCALE)
 else()
-	if(DEFINED 3DS OR DEFINED WII)
+	if(DEFINED 3DS OR DEFINED WII OR DEFINED SWITCH)
 		set(CMAKE_REQUIRED_FLAGS -Wl,--require-defined,snprintf_l)
 		check_function_exists(snprintf_l HAVE_SNPRINTF_L)
 		set(CMAKE_REQUIRED_FLAGS -Wl,--require-defined,strtof_l)
@@ -583,10 +585,13 @@ if(WANT_PNG AND USE_ZLIB AND NOT USE_PNG)
 	set(PNG_SHARED OFF CACHE BOOL "" FORCE)
 	set(PNG_TESTS OFF CACHE BOOL "" FORCE)
 	set(SKIP_INSTALL_ALL ON)
+	if (SWITCH)
+		set(PNG_ARM_NEON "off" CACHE STRING "" FORCE)
+	endif()
 	add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/src/third-party/libpng libpng)
-	set_property(TARGET png16_static PROPERTY INCLUDE_DIRECTORIES ${CMAKE_CURRENT_BINARY_DIR}/libpng;${CMAKE_CURRENT_SOURCE_DIR}/src/third-party/libpng;${ZLIB_INCLUDE_DIRS})
+	set_property(TARGET png_static PROPERTY INCLUDE_DIRECTORIES ${CMAKE_CURRENT_BINARY_DIR}/libpng;${CMAKE_CURRENT_SOURCE_DIR}/src/third-party/libpng;${ZLIB_INCLUDE_DIRS})
 	set(PNG_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/src/third-party/libpng ${CMAKE_CURRENT_BINARY_DIR}/libpng)
-	list(APPEND DEPENDENCY_LIB png16_static)
+	list(APPEND DEPENDENCY_LIB png_static)
 	set(USE_PNG ON)
 endif()
 
@@ -775,6 +780,10 @@ if(DEFINED PSP2)
 	add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/src/platform/psp2 ${CMAKE_CURRENT_BINARY_DIR}/psp2)
 endif()
 
+if(DEFINED SWITCH)
+	add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/src/platform/switch ${CMAKE_CURRENT_BINARY_DIR}/switch)
+endif()
+
 # Binaries
 list(APPEND CORE_SRC
 	${UTIL_SRC}

include/mgba-util/socket.h

@@ -55,6 +55,9 @@ struct Address {
 
 extern u32* SOCUBuffer;
 #endif
+#ifdef SWITCH
+#include <switch.h>
+#endif
 
 static inline void SocketSubsystemInit() {
 #ifdef _WIN32
@@ -65,6 +68,8 @@ static inline void SocketSubsystemInit() {
 		SOCUBuffer = memalign(SOCU_ALIGN, SOCU_BUFFERSIZE);
 		socInit(SOCUBuffer, SOCU_BUFFERSIZE);
 	}
+#elif defined(SWITCH)
+	socketInitializeDefault();
 #endif
 }
 
@@ -75,6 +80,8 @@ static inline void SocketSubsystemDeinit() {
 	socExit();
 	free(SOCUBuffer);
 	SOCUBuffer = NULL;
+#elif defined(SWITCH)
+	socketExit();
 #endif
 }
 
@@ -103,7 +110,7 @@ static inline ssize_t SocketSend(Socket socket, const void* buffer, size_t size)
 }
 
 static inline ssize_t SocketRecv(Socket socket, void* buffer, size_t size) {
-#ifdef _WIN32
+#if defined(_WIN32) || defined(SWITCH)
 	return recv(socket, (char*) buffer, size, 0);
 #else
 	return read(socket, buffer, size);

src/platform/switch/CMakeLists.txt

@@ -0,0 +1,24 @@
+find_program(ELF2NRO elf2nro)
+
+set(OS_DEFINES USE_VFS_FILE IOAPI_NO_64)
+list(APPEND CORE_VFS_SRC ${CMAKE_SOURCE_DIR}/src/util/vfs/vfs-file.c ${CMAKE_SOURCE_DIR}/src/util/vfs/vfs-dirent.c)
+
+file(GLOB OS_SRC ${CMAKE_SOURCE_DIR}/src/platform/wii/wii-*.c)
+if(${CMAKE_BUILD_TYPE} STREQUAL Debug OR ${CMAKE_BUILD_TYPE} STREQUAL RelWithDebInfo)
+	list(APPEND OS_LIB nxd)
+else()
+	list(APPEND OS_LIB nx)
+endif()
+set(CORE_VFS_SRC ${CORE_VFS_SRC} PARENT_SCOPE)
+set(OS_DEFINES ${OS_DEFINES} PARENT_SCOPE)
+set(OS_SRC ${OS_SRC} PARENT_SCOPE)
+set(OS_LIB ${OS_LIB} PARENT_SCOPE)
+
+if(BUILD_PERF)
+	add_custom_target(${BINARY_NAME}-perf.nro ALL
+	                  ${ELF2NRO} ../${BINARY_NAME}-perf ${BINARY_NAME}-perf.nro
+	                  DEPENDS ${BINARY_NAME}-perf)
+	install(FILES
+		    ${CMAKE_CURRENT_BINARY_DIR}/${BINARY_NAME}-perf.nro
+		    DESTINATION . COMPONENT ${BINARY_NAME}-perf)
+endif()

src/platform/switch/CMakeToolchain.txt

@@ -0,0 +1,56 @@
+if(DEFINED ENV{DEVKITPRO})
+	set(DEVKITPRO $ENV{DEVKITPRO})
+else()
+	message(FATAL_ERROR "Could not find DEVKITPRO in environment")
+endif()
+
+if(DEFINED ENV{DEVKITA64})
+	set(DEVKITA64 $ENV{DEVKITA64})
+else()
+	set(DEVKITA64 ${DEVKITPRO}/devkitA64)
+endif()
+
+if(DEFINED ENV{LIBNX})
+	set(LIBNX $ENV{LIBNX})
+else()
+	set(LIBNX ${DEVKITPRO}/libnx)
+endif()
+
+set(extension)
+if (CMAKE_HOST_WIN32)
+	set(extension .exe)
+endif()
+
+set(CMAKE_PROGRAM_PATH ${DEVKITA64}/bin)
+set(cross_prefix aarch64-none-elf-)
+set(arch_flags "-mtune=cortex-a57 -ffunction-sections -march=armv8-a -mtp=soft -fPIC -ftls-model=local-exec")
+set(inc_flags "-I${LIBNX}/include ${arch_flags}")
+set(link_flags "-L${LIBNX}/lib -lnx -specs=${LIBNX}/switch.specs ${arch_flags}")
+
+set(CMAKE_SYSTEM_NAME Generic CACHE INTERNAL "system name")
+set(CMAKE_SYSTEM_PROCESSOR aarch64 CACHE INTERNAL "processor")
+set(CMAKE_LIBRARY_ARCHITECTURE aarch64-none-elf CACHE INTERNAL "abi")
+
+find_program(CMAKE_AR ${cross_prefix}gcc-ar${extension})
+find_program(CMAKE_RANLIB ${cross_prefix}gcc-ranlib${extension})
+find_program(CMAKE_C_COMPILER ${cross_prefix}gcc${extension})
+find_program(CMAKE_CXX_COMPILER ${cross_prefix}g++${extension})
+find_program(CMAKE_ASM_COMPILER ${cross_prefix}gcc${extension})
+find_program(CMAKE_LINKER ${cross_prefix}ld${extension})
+set(CMAKE_C_FLAGS ${inc_flags} CACHE INTERNAL "c compiler flags")
+set(CMAKE_ASM_FLAGS ${inc_flags} CACHE INTERNAL "assembler flags")
+set(CMAKE_CXX_FLAGS ${inc_flags} CACHE INTERNAL "cxx compiler flags")
+SET(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <FLAGS> -o <OBJECT>   -c <SOURCE>")
+
+set(CMAKE_EXE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "exe link flags")
+set(CMAKE_MODULE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "module link flags")
+set(CMAKE_SHARED_LINKER_FLAGS ${link_flags} CACHE INTERNAL "shared link flags")
+
+set(CMAKE_FIND_ROOT_PATH ${DEVKITARM}/aarch64-none-elf ${DEVKITPRO}/portlibs/switch)
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER CACHE INTERNAL "")
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY CACHE INTERNAL "")
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY CACHE INTERNAL "")
+set(PKG_CONFIG_EXECUTABLE "/dev/null" CACHE INTERNAL "" FORCE)
+
+set(SWITCH ON)
+add_definitions(-DSWITCH)

src/platform/switch/memory.c

@@ -0,0 +1,15 @@
+/* Copyright (c) 2013-2018 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include <mgba-util/memory.h>
+
+void* anonymousMemoryMap(size_t size) {
+	return malloc(size);
+}
+
+void mappedMemoryFree(void* memory, size_t size) {
+	UNUSED(size);
+	free(memory);
+}

src/platform/test/perf-main.c

@@ -19,6 +19,9 @@
 #ifdef _3DS
 #include <3ds.h>
 #endif
+#ifdef SWITCH
+#include <switch.h>
+#endif
 
 #include <errno.h>
 #include <fcntl.h>
@@ -49,6 +52,9 @@ struct PerfOpts {
 extern bool allocateRomBuffer(void);
 FS_Archive sdmcArchive;
 #endif
+#ifdef SWITCH
+TimeType __nx_time_type = TimeType_LocalSystemClock;
+#endif
 
 static void _mPerfRunloop(struct mCore* context, int* frames, bool quiet);
 static void _mPerfShutdown(int signal);
@@ -71,6 +77,10 @@ int main(int argc, char** argv) {
 	if (!allocateRomBuffer()) {
 		return 1;
 	}
+#elif defined(SWITCH)
+	UNUSED(_mPerfShutdown);
+	gfxInitDefault();
+	consoleInit(NULL);
 #else
 	signal(SIGINT, _mPerfShutdown);
 #endif
@@ -128,6 +138,8 @@ int main(int argc, char** argv) {
 #ifdef _3DS
 	gfxExit();
 	acExit();
+#elif defined(SWITCH)
+	gfxExit();
 #endif
 
 	return didFail;
@@ -254,7 +266,10 @@ static bool _mPerfRunServer(const char* listen, const struct mArguments* args, c
 		SocketSend(_socket, header, strlen(header));
 	}
 	char path[PATH_MAX];
-	while (SocketRecv(_socket, path, sizeof(path)) > 0) {
+	memset(path, 0, sizeof(path));
+	ssize_t i;
+	while ((i = SocketRecv(_socket, path, sizeof(path) - 1)) > 0) {
+		path[i] = '\0';
 		char* nl = strchr(path, '\n');
 		if (nl == path) {
 			break;
@@ -265,6 +280,7 @@ static bool _mPerfRunServer(const char* listen, const struct mArguments* args, c
 		if (!_mPerfRunCore(path, args, perfOpts)) {
 			break;
 		}
+		memset(path, 0, sizeof(path));
 	}
 	SocketClose(_socket);
 	SocketClose(server);