Add vita tcp network support

CMake/vita_defs.cmake

@@ -1,5 +1,5 @@
 set(ASAN OFF)
 set(UBSAN OFF)
-set(NONET ON)
+set(DISABLE_ZERO_TIER ON)
 set(PREFILL_PLAYER_NAME ON)
 add_definitions("-DMO_LANG_DIR=\"app0:/\"")

CMakeLists.txt

@@ -533,6 +533,8 @@ endif()
 
 if(VITA)
   list(APPEND libdevilutionx_SRCS
+    Source/platform/vita/random.cpp
+    Source/platform/vita/network.cpp
     Source/platform/vita/keyboard.cpp
     Source/platform/vita/touch.cpp)
 endif()
@@ -937,6 +939,8 @@ if (VITA)
   target_link_libraries(libdevilutionx PUBLIC
         ScePower_stub
         SceAppUtil_stub
+        SceNet_stub
+        SceNetCtl_stub
   )
   target_compile_definitions(libdevilutionx PUBLIC VITA)
 endif()

Source/main.cpp

@@ -6,6 +6,10 @@
 #ifdef __3DS__
 #include "platform/ctr/system.h"
 #endif
+#ifdef __vita__
+#include "platform/vita/network.h"
+#include "platform/vita/random.hpp"
+#endif
 #ifdef GPERF_HEAP_MAIN
 #include <gperftools/heap-profiler.h>
 #endif
@@ -32,6 +36,10 @@ int main(int argc, char **argv)
 #ifdef __3DS__
 	ctr_sys_init();
 #endif
+#ifdef __vita__
+	vita_enable_network();
+	randombytes_vitarandom_init();
+#endif
 #ifdef GPERF_HEAP_MAIN
 	HeapProfilerStart("main");
 #endif

Source/platform/vita/network.cpp

@@ -0,0 +1,32 @@
+#include <cstdlib>
+#include <cstdio>
+#include <unistd.h>
+#include "platform/vita/network.h"
+#include <psp2/sysmodule.h>
+#include <psp2/net/net.h>
+#include <psp2/net/netctl.h>
+
+void vita_enable_network()
+{
+	SceNetInitParam param;
+	static char memory[64 * 1024];
+	int ret;
+
+	ret = sceSysmoduleLoadModule(SCE_SYSMODULE_NET);
+	if (ret < 0) {
+		return;
+	}
+
+	param.memory = memory;
+	param.size = sizeof(memory);
+	param.flags = 0;
+	ret = sceNetInit(&param);
+	if (ret < 0) {
+		return;
+	}
+
+	ret = sceNetCtlInit();
+	if (ret < 0) {
+		return;
+	}
+}

Source/platform/vita/network.h

@@ -0,0 +1,3 @@
+#pragma once
+
+void vita_enable_network();

Source/platform/vita/random.cpp

@@ -0,0 +1,34 @@
+#include <sys/types.h>
+#include <sodium.h>
+#include <psp2/kernel/rng.h>
+
+static const char *randombytes_vitarandom_implementation_name()
+{
+	return "vitarandom";
+}
+
+static uint32_t randombytes_vitarandom()
+{
+	uint32_t num;
+	sceKernelGetRandomNumber(&num, sizeof(uint32_t));
+	return num;
+}
+
+static void randombytes_vitarandom_buf(void *const buf, const size_t size)
+{
+	sceKernelGetRandomNumber(buf, size);
+}
+
+struct randombytes_implementation randombytes_vitarandom_implementation = {
+	randombytes_vitarandom_implementation_name,
+	randombytes_vitarandom,
+	nullptr,
+	nullptr,
+	randombytes_vitarandom_buf,
+	nullptr
+};
+
+void randombytes_vitarandom_init()
+{
+	randombytes_set_implementation(&randombytes_vitarandom_implementation);
+}

Source/platform/vita/random.hpp

@@ -0,0 +1,2 @@
+#pragma once
+void randombytes_vitarandom_init();