From fe32ad88fb0e0a9e60a2a1fefe4de93f2ec6c8bb Mon Sep 17 00:00:00 2001
From: M4xw <m4x@m4xw.net>
Date: Sun, 15 Mar 2020 07:56:38 -0700
Subject: [PATCH] Core: Add some libnx calls for Switch.

---
 Core/HLE/sceRtc.cpp          | 15 +++++++++++----
 SDL/SDLMain.cpp              | 29 ++++++++++++++++++++++-------
 ext/native/base/timeutil.cpp |  6 ++++++
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/Core/HLE/sceRtc.cpp b/Core/HLE/sceRtc.cpp
index 1809430d1c..75e9e3ef3b 100644
--- a/Core/HLE/sceRtc.cpp
+++ b/Core/HLE/sceRtc.cpp
@@ -37,6 +37,13 @@
 #include "Core/HLE/sceKernel.h"
 #include "Core/HLE/sceRtc.h"
 
+#ifdef HAVE_LIBNX
+// I guess that works...
+#define setenv(x, y, z) (void*)0
+#define tzset() (void*)0
+#define unsetenv(x) (void*)0
+#endif // HAVE_LIBNX
+
 // This is a base time that everything is relative to.
 // This way, time doesn't move strangely with savestates, turbo speed, etc.
 static PSPTimeval rtcBaseTime;
@@ -494,7 +501,7 @@ static int sceRtcConvertLocalTimeToUTC(u32 tickLocalPtr,u32 tickUTCPtr)
 		long timezone_val;
 		_get_timezone(&timezone_val);
 		srcTick -= -timezone_val * 1000000ULL;
-#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux)
+#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux) && !defined(HAVE_LIBNX)
 		time_t timezone = 0;
 		tm *time = localtime(&timezone);
 		srcTick -= time->tm_gmtoff*1000000ULL;
@@ -519,7 +526,7 @@ static int sceRtcConvertUtcToLocalTime(u32 tickUTCPtr,u32 tickLocalPtr)
 		long timezone_val;
 		_get_timezone(&timezone_val);
 		srcTick += -timezone_val * 1000000ULL;
-#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux)
+#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux) && !defined(HAVE_LIBNX)
 		time_t timezone = 0;
 		tm *time = localtime(&timezone);
 		srcTick += time->tm_gmtoff*1000000ULL;
@@ -1054,7 +1061,7 @@ static int sceRtcFormatRFC2822LocalTime(u32 outPtr, u32 srcTickPtr)
 		long timezone_val;
 		_get_timezone(&timezone_val);
 		tz_seconds = -timezone_val;
-#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux)
+#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux) && !defined(HAVE_LIBNX)
 		time_t timezone = 0;
 		tm *time = localtime(&timezone);
 		tz_seconds = time->tm_gmtoff;
@@ -1091,7 +1098,7 @@ static int sceRtcFormatRFC3339LocalTime(u32 outPtr, u32 srcTickPtr)
 		long timezone_val;
 		_get_timezone(&timezone_val);
 		tz_seconds = -timezone_val;
-#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux)
+#elif !defined(_AIX) && !defined(__sgi) && !defined(__hpux) && !defined(HAVE_LIBNX)
 		time_t timezone = 0;
 		tm *time = localtime(&timezone);
 		tz_seconds = time->tm_gmtoff;
diff --git a/SDL/SDLMain.cpp b/SDL/SDLMain.cpp
index ced99103ca..2639a5a23a 100644
--- a/SDL/SDLMain.cpp
+++ b/SDL/SDLMain.cpp
@@ -198,8 +198,9 @@ void OpenDirectory(const char *path) {
 
 void LaunchBrowser(const char *url) {
 #if PPSSPP_PLATFORM(SWITCH)
+	Uuid uuid = { 0 };
 	WebWifiConfig conf;
-	webWifiCreate(&conf, NULL, url, 0, 0);
+	webWifiCreate(&conf, NULL, url, uuid, 0);
 	webWifiShow(&conf, NULL);
 #elif defined(MOBILE_DEVICE)
 	ILOG("Would have gone to %s but LaunchBrowser is not implemented on this platform", url);
@@ -220,8 +221,9 @@ void LaunchBrowser(const char *url) {
 
 void LaunchMarket(const char *url) {
 #if PPSSPP_PLATFORM(SWITCH)
+	Uuid uuid = { 0 };
 	WebWifiConfig conf;
-	webWifiCreate(&conf, NULL, url, 0, 0);
+	webWifiCreate(&conf, NULL, url, uuid, 0);
 	webWifiShow(&conf, NULL);
 #elif defined(MOBILE_DEVICE)
 	ILOG("Would have gone to %s but LaunchMarket is not implemented on this platform", url);
@@ -448,6 +450,11 @@ int main(int argc, char *argv[]) {
 		}
 	}
 
+#ifdef HAVE_LIBNX
+	socketInitializeDefault();
+	nxlinkStdio();
+#endif // HAVE_LIBNX
+
 	glslang::InitializeProcess();
 
 #if PPSSPP_PLATFORM(RPI)
@@ -544,9 +551,9 @@ int main(int argc, char *argv[]) {
 	}
 
 	// If we're on mobile, don't try for windowed either.
-#if defined(MOBILE_DEVICE)
+#if defined(MOBILE_DEVICE) && !PPSSPP_PLATFORM(SWITCH)
 	mode |= SDL_WINDOW_FULLSCREEN;
-#elif defined(USING_FBDEV)
+#elif defined(USING_FBDEV) || PPSSPP_PLATFORM(SWITCH)
 	mode |= SDL_WINDOW_FULLSCREEN_DESKTOP;
 #else
 	mode |= SDL_WINDOW_RESIZABLE;
@@ -592,14 +599,19 @@ int main(int argc, char *argv[]) {
 
 	// Mac / Linux
 	char path[2048];
+#if PPSSPP_PLATFORM(SWITCH)
+	strcpy(path, "/switch/ppsspp/");
+#else
 	const char *the_path = getenv("HOME");
 	if (!the_path) {
-		struct passwd* pwd = getpwuid(getuid());
+		struct passwd *pwd = getpwuid(getuid());
 		if (pwd)
 			the_path = pwd->pw_dir;
 	}
-	strcpy(path, the_path);
-	if (path[strlen(path)-1] != '/')
+	if (the_path)
+		strcpy(path, the_path);
+#endif
+	if (strlen(path) > 0 && path[strlen(path) - 1] != '/')
 		strcat(path, "/");
 
 	NativeInit(remain_argc, (const char **)remain_argv, path, "/tmp", nullptr);
@@ -1139,5 +1151,8 @@ int main(int argc, char *argv[]) {
 
 	glslang::FinalizeProcess();
 	ILOG("Leaving main");
+#ifdef HAVE_LIBNX
+	socketExit();
+#endif
 	return 0;
 }
diff --git a/ext/native/base/timeutil.cpp b/ext/native/base/timeutil.cpp
index f48c87a276..5c70e80053 100644
--- a/ext/native/base/timeutil.cpp
+++ b/ext/native/base/timeutil.cpp
@@ -11,6 +11,10 @@
 #include <unistd.h>
 #endif
 
+#ifdef HAVE_LIBNX
+#include <switch.h>
+#endif // HAVE_LIBNX
+
 static double curtime = 0;
 static float curtime_f = 0;
 
@@ -79,6 +83,8 @@ int time_now_ms() {
 void sleep_ms(int ms) {
 #ifdef _WIN32
 	Sleep(ms);
+#elif defined(HAVE_LIBNX)
+	svcSleepThread(ms * 1000000);
 #else
 	usleep(ms * 1000);
 #endif