Initial import for store (USB experimental project for mass storage)

usb/store/host/aranym/natfeat.c

@@ -0,0 +1,118 @@
+/*
+ * ARAnyM native features interface.
+ * (c) 2005-2008 ARAnyM development team
+ *
+ * In 2006 updated with FreeMiNT headers and code.
+ * In 2008 converted from "__NF" cookie to direct usage of NF instructions
+ *
+ **/
+
+/*
+ * Copied from FreeMiNT source tree where Native Features were added recently
+ * 
+ * Copyright 2003 Frank Naumann <fnaumann@freemint.de>
+ * All rights reserved.
+ * 
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ * 
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 
+ * 
+ * Author: Frank Naumann <fnaumann@freemint.de>
+ * Started: 2003-12-13
+ * 
+ */
+
+# include <compiler.h>
+# include <mint/osbind.h>
+# include "nf_ops.h"
+
+
+#define ARANYM 1
+# ifdef ARANYM
+
+
+static unsigned long nf_get_id_instr = 0x73004e75UL;
+static unsigned long nf_call_instr = 0x73014e75UL;
+
+static struct nf_ops _nf_ops = { (void*)&nf_get_id_instr, (void*)&nf_call_instr }; 
+static struct nf_ops *nf_ops = 0UL; 
+
+extern int detect_native_features(void);
+
+struct nf_ops *
+nf_init(void)
+{
+	if (Supexec(detect_native_features))
+	{
+		nf_ops = &_nf_ops;
+		return nf_ops;
+	}
+	
+	return 0UL;
+}
+
+
+const char *
+nf_name(void)
+{
+	static char buf[64] = "Unknown emulator";
+	
+	if (nf_ops)
+	{
+		static int done = 0;
+		
+		if (!done)
+		{
+			long nfid_name = nf_ops->get_id("NF_NAME");
+			
+			if (nfid_name)
+				nf_ops->call(nfid_name, buf, sizeof(buf));
+			
+			done = 1;
+		}
+	}
+        
+	return buf;
+}
+
+int
+nf_debug(const char *msg)
+{
+	if (nf_ops)
+	{
+		long nfid_stderr = nf_ops->get_id("NF_STDERR");
+		
+		if (nfid_stderr)
+		{
+			nf_ops->call(nfid_stderr, msg);
+			return 1;
+		}
+	}
+	
+	return 0;
+}
+
+void
+nf_shutdown(void)
+{
+	if (nf_ops)
+	{
+		long shutdown_id = nf_ops->get_id("NF_SHUTDOWN");
+		
+		if (shutdown_id)
+        		nf_ops->call(shutdown_id);
+	}
+}
+
+# endif