Add (currently undocumented) command line flag for setting logging level

src/gba/gba-thread.c

@@ -75,6 +75,7 @@ static THREAD_ENTRY _GBAThreadRun(void* context) {
 	ARMReset(&cpu);
 	threadContext->gba = &gba;
 	gba.sync = &threadContext->sync;
+	gba.logLevel = threadContext->logLevel;
 #ifdef USE_PTHREADS
 	pthread_setspecific(_contextKey, threadContext);
 #else
@@ -169,6 +170,7 @@ void GBAMapOptionsToContext(struct StartupOptions* opts, struct GBAThread* threa
 	threadContext->fname = opts->fname;
 	threadContext->biosFd = opts->biosFd;
 	threadContext->frameskip = opts->frameskip;
+	threadContext->logLevel = opts->logLevel;
 	threadContext->rewindBufferCapacity = opts->rewindBufferCapacity;
 	threadContext->rewindBufferInterval = opts->rewindBufferInterval;
 }

src/gba/gba-thread.h

@@ -58,6 +58,7 @@ struct GBAThread {
 	enum ThreadState savedState;
 
 	GBALogHandler logHandler;
+	int logLevel;
 	ThreadCallback startCallback;
 	ThreadCallback cleanCallback;
 	ThreadCallback frameCallback;

src/platform/commandline.c

@@ -44,7 +44,7 @@ int parseCommandArgs(struct StartupOptions* opts, int argc, char* const* argv, s
 
 	int ch;
 	char options[64] =
-		"b:s:"
+		"b:l:s:"
 #ifdef USE_CLI_DEBUGGER
 		"d"
 #endif
@@ -77,6 +77,9 @@ int parseCommandArgs(struct StartupOptions* opts, int argc, char* const* argv, s
 			opts->debuggerType = DEBUGGER_GDB;
 			break;
 #endif
+		case 'l':
+			opts->logLevel = atoi(optarg);
+			break;
 		case 's':
 			opts->frameskip = atoi(optarg);
 			break;

src/platform/commandline.h

@@ -18,6 +18,7 @@ struct StartupOptions {
 	int fd;
 	const char* fname;
 	int biosFd;
+	int logLevel;
 	int frameskip;
 	int rewindBufferCapacity;
 	int rewindBufferInterval;