* Merge ioq3-r1637

14 files changed, 2055 insertions, 490 deletions

diff --git a/src/qcommon/cmd.c b/src/qcommon/cmd.c
index e04f314c..ecf747d8 100644
--- a/src/qcommon/cmd.c
+++ b/src/qcommon/cmd.c
@@ -53,6 +53,8 @@ bind g "cmd use rocket ; +attack ; wait ; -attack ; cmd use blaster"
 void Cmd_Wait_f( void ) {
 	if ( Cmd_Argc() == 2 ) {
 		cmd_wait = atoi( Cmd_Argv( 1 ) );
+		if ( cmd_wait < 0 )
+			cmd_wait = 1; // ignore the argument
 	} else {
 		cmd_wait = 1;
 	}
@@ -177,7 +179,7 @@ void Cbuf_Execute (void)
 
 	while (cmd_text.cursize)
 	{
-		if ( cmd_wait )	{
+		if ( cmd_wait > 0 ) {
 			// skip out while text still remains in buffer, leaving it
 			// for next frame
 			cmd_wait--;
@@ -296,11 +298,7 @@ Just prints the rest of the line to the console
 */
 void Cmd_Echo_f (void)
 {
-	int		i;
-	
-	for (i=1 ; i<Cmd_Argc() ; i++)
-		Com_Printf ("%s ",Cmd_Argv(i));
-	Com_Printf ("\n");
+	Com_Printf ("%s\n", Cmd_Args());
 }
 
 
diff --git a/src/qcommon/common.c b/src/qcommon/common.c
index ef9ee76a..b97626ed 100644
--- a/src/qcommon/common.c
+++ b/src/qcommon/common.c
@@ -41,8 +41,6 @@ int demo_protocols[] =
 #define MIN_COMHUNKMEGS		128
 #define DEF_COMHUNKMEGS		128
 #define DEF_COMZONEMEGS		24
-#define XSTRING(x)				STRING(x)
-#define STRING(x)					#x
 #define DEF_COMHUNKMEGS_S	XSTRING(DEF_COMHUNKMEGS)
 #define DEF_COMZONEMEGS_S	XSTRING(DEF_COMZONEMEGS)
 
@@ -1398,9 +1396,11 @@ void Com_InitSmallZoneMemory( void ) {
 void Com_InitZoneMemory( void ) {
 	cvar_t	*cv;
 
-	//FIXME: 05/01/06 com_zoneMegs is useless right now as neither q3config.cfg nor
-	// Com_StartupVariable have been executed by this point. The net result is that
-	// s_zoneTotal will always be set to the default value.
+	// Please note: com_zoneMegs can only be set on the command line, and
+	// not in q3config.cfg or Com_StartupVariable, as they haven't been
+	// executed by this point. It's a chicken and egg problem. We need the
+	// memory manager configured to handle those places where you would
+	// configure the memory manager.
 
 	// allocate the random block zone
 	cv = Cvar_Get( "com_zoneMegs", DEF_COMZONEMEGS_S, CVAR_LATCH | CVAR_ARCHIVE );
@@ -2378,6 +2378,21 @@ static void Com_DetectAltivec(void)
 	}
 }
 
+/*
+=================
+Com_InitRand
+Seed the random number generator, if possible with an OS supplied random seed.
+=================
+*/
+static void Com_InitRand(void)
+{
+	unsigned int seed;
+
+	if(Sys_RandomBytes((byte *) &seed, sizeof(seed)))
+		srand(seed);
+	else
+		srand(time(NULL));
+}
 
 /*
 =================
@@ -2386,6 +2401,7 @@ Com_Init
 */
 void Com_Init( char *commandLine ) {
 	char	*s;
+	int	qport;
 
 	Com_Printf( "%s %s %s\n", Q3_VERSION, PLATFORM_STRING, __DATE__ );
 
@@ -2397,8 +2413,11 @@ void Com_Init( char *commandLine ) {
 	Com_Memset( &eventQueue[ 0 ], 0, MAX_QUEUED_EVENTS * sizeof( sysEvent_t ) );
 	Com_Memset( &sys_packetReceived[ 0 ], 0, MAX_MSGLEN * sizeof( byte ) );
 
-  // do this before anything else decides to push events
-  Com_InitPushEvent();
+	// initialize the weak pseudo-random number generator for use later.
+	Com_InitRand();
+
+	// do this before anything else decides to push events
+	Com_InitPushEvent();
 
 	Com_InitSmallZoneMemory();
 	Cvar_Init ();
@@ -2410,12 +2429,12 @@ void Com_Init( char *commandLine ) {
 //	Swap_Init ();
 	Cbuf_Init ();
 
-	Com_InitZoneMemory();
-	Cmd_Init ();
-
 	// override anything from the config files with command line args
 	Com_StartupVariable( NULL );
 
+	Com_InitZoneMemory();
+	Cmd_Init ();
+
 	// get the developer cvar set as early as possible
 	Com_StartupVariable( "developer" );
 
@@ -2501,7 +2520,11 @@ void Com_Init( char *commandLine ) {
 	com_version = Cvar_Get ("version", s, CVAR_ROM | CVAR_SERVERINFO );
 
 	Sys_Init();
-	Netchan_Init( Com_Milliseconds() & 0xffff );	// pick a port value that should be nice and random
+
+	// Pick a random port value
+	Com_RandomBytes( (byte*)&qport, sizeof(int) );
+	Netchan_Init( qport & 0xffff );
+
 	VM_Init();
 	SV_Init();
 
@@ -3171,7 +3194,6 @@ void Com_RandomBytes( byte *string, int len )
 		return;
 
 	Com_Printf( "Com_RandomBytes: using weak randomization\n" );
-	srand( time( 0 ) );
 	for( i = 0; i < len; i++ )
 		string[i] = (unsigned char)( rand() % 255 );
 }
diff --git a/src/qcommon/cvar.c b/src/qcommon/cvar.c
index c26ba543..0af10587 100644
--- a/src/qcommon/cvar.c
+++ b/src/qcommon/cvar.c
@@ -306,9 +306,9 @@ cvar_t *Cvar_Get( const char *var_name, const char *var_value, int flags ) {
 	cvar_t	*var;
 	long	hash;
 
-  if ( !var_name || ! var_value ) {
+	if ( !var_name || ! var_value ) {
 		Com_Error( ERR_FATAL, "Cvar_Get: NULL parameter" );
-  }
+	}
 
 	if ( !Cvar_ValidateString( var_name ) ) {
 		Com_Printf("invalid cvar name string: %s\n", var_name );
@@ -616,15 +616,15 @@ void Cvar_SetCheatState( void ) {
 	// set all default vars to the safe value
 	for ( var = cvar_vars ; var ; var = var->next ) {
 		if ( var->flags & CVAR_CHEAT ) {
-      // the CVAR_LATCHED|CVAR_CHEAT vars might escape the reset here 
-      // because of a different var->latchedString
-      if (var->latchedString)
-      {
-        Z_Free(var->latchedString);
-        var->latchedString = NULL;
-      }
+			// the CVAR_LATCHED|CVAR_CHEAT vars might escape the reset here 
+			// because of a different var->latchedString
+			if (var->latchedString)
+			{
+				Z_Free(var->latchedString);
+				var->latchedString = NULL;
+			}
 			if (strcmp(var->resetString,var->string)) {
-        Cvar_Set( var->name, var->resetString );
+				Cvar_Set( var->name, var->resetString );
 			}
 		}
 	}
@@ -653,7 +653,7 @@ qboolean Cvar_Command( void ) {
 	}
 
 	// set the value if forcing isn't required
-	Cvar_Set2 (v->name, Cmd_Argv(1), qfalse);
+	Cvar_Set2 (v->name, Cmd_Args(), qfalse);
 	return qtrue;
 }
 
@@ -691,21 +691,44 @@ void Cvar_Print_f(void)
 ============
 Cvar_Toggle_f
 
-Toggles a cvar for easy single key binding
+Toggles a cvar for easy single key binding, optionally through a list of
+given values
 ============
 */
 void Cvar_Toggle_f( void ) {
-	int		v;
+	int		i, c = Cmd_Argc();
+	char		*curval;
 
-	if ( Cmd_Argc() != 2 ) {
-		Com_Printf ("usage: toggle <variable>\n");
+	if(c < 2) {
+		Com_Printf("usage: toggle <variable> [value1, value2, ...]\n");
+		return;
+	}
+
+	if(c == 2) {
+		Cvar_Set2(Cmd_Argv(1), va("%d", 
+			!Cvar_VariableValue(Cmd_Argv(1))), 
+			qfalse);
+		return;
+	}
+
+	if(c == 3) {
+		Com_Printf("toggle: nothing to toggle to\n");
 		return;
 	}
 
-	v = Cvar_VariableValue( Cmd_Argv( 1 ) );
-	v = !v;
+	curval = Cvar_VariableString(Cmd_Argv(1));
 
-	Cvar_Set2 (Cmd_Argv(1), va("%i", v), qfalse);
+	// don't bother checking the last arg for a match since the desired
+	// behaviour is the same as no match (set to the first argument)
+	for(i = 2; i + 1 < c; i++) {
+		if(strcmp(curval, Cmd_Argv(i)) == 0) {
+			Cvar_Set2(Cmd_Argv(1), Cmd_Argv(i + 1), qfalse);
+			return;
+		}
+	}
+
+	// fallback
+	Cvar_Set2(Cmd_Argv(1), Cmd_Argv(2), qfalse);
 }
 
 /*
@@ -840,6 +863,11 @@ void Cvar_List_f( void ) {
 		} else {
 			Com_Printf(" ");
 		}
+		if (var->flags & CVAR_SYSTEMINFO) {
+			Com_Printf("s");
+		} else {
+			Com_Printf(" ");
+		}
 		if (var->flags & CVAR_USERINFO) {
 			Com_Printf("U");
 		} else {
@@ -870,6 +898,11 @@ void Cvar_List_f( void ) {
 		} else {
 			Com_Printf(" ");
 		}
+		if (var->flags & CVAR_USER_CREATED) {
+			Com_Printf("?");
+		} else {
+			Com_Printf(" ");
+		}
 
 		Com_Printf (" %s \"%s\"\n", var->name, var->string);
 	}
diff --git a/src/qcommon/files.c b/src/qcommon/files.c
index 6b407c20..db7e79d4 100644
--- a/src/qcommon/files.c
+++ b/src/qcommon/files.c
@@ -479,7 +479,7 @@ FS_CreatePath
 Creates any directories needed to store the given filename
 ============
 */
-static qboolean FS_CreatePath (char *OSPath) {
+qboolean FS_CreatePath (char *OSPath) {
 	char	*ofs;
 	
 	// make absolutely sure that it can't back up the path
@@ -502,18 +502,19 @@ static qboolean FS_CreatePath (char *OSPath) {
 
 /*
 =================
-FS_FilenameIsExecutable
+FS_CheckFilenameIsNotExecutable
 
 ERR_FATAL if trying to maniuplate a file with the platform library extension
 =================
  */
-static void FS_FilenameIsExecutable( const char *filename, const char *function )
+static void FS_CheckFilenameIsNotExecutable( const char *filename,
+		const char *function )
 {
 	// Check if the filename ends with the library extension
-	if( !Q_stricmp( filename + strlen( filename ) - strlen( DLL_EXT ), DLL_EXT ) )
+	if( !Q_stricmp( COM_GetExtension( filename ), DLL_EXT ) )
 	{
-		Com_Error( ERR_FATAL, "%s: Not allowed to write '%s' due to %s extension\n",
-			function, filename, DLL_EXT );
+		Com_Error( ERR_FATAL, "%s: Not allowed to manipulate '%s' due "
+			"to %s extension\n", function, filename, DLL_EXT );
 	}
 }
 
@@ -532,7 +533,7 @@ static void FS_CopyFile( char *fromOSPath, char *toOSPath ) {
 
 	Com_Printf( "copy %s to %s\n", fromOSPath, toOSPath );
 
-	FS_FilenameIsExecutable( toOSPath, __func__ );
+	FS_CheckFilenameIsNotExecutable( toOSPath, __func__ );
 
 	if (strstr(fromOSPath, "journal.dat") || strstr(fromOSPath, "journaldata.dat")) {
 		Com_Printf( "Ignoring journal files\n");
@@ -575,7 +576,7 @@ FS_Remove
 ===========
 */
 void FS_Remove( const char *osPath ) {
-	FS_FilenameIsExecutable( osPath, __func__ );
+	FS_CheckFilenameIsNotExecutable( osPath, __func__ );
 
 	remove( osPath );
 }
@@ -587,7 +588,7 @@ FS_HomeRemove
 ===========
 */
 void FS_HomeRemove( const char *homePath ) {
-	FS_FilenameIsExecutable( homePath, __func__ );
+	FS_CheckFilenameIsNotExecutable( homePath, __func__ );
 
 	remove( FS_BuildOSPath( fs_homepath->string,
 			fs_gamedir, homePath ) );
@@ -666,7 +667,7 @@ fileHandle_t FS_SV_FOpenFileWrite( const char *filename ) {
 		Com_Printf( "FS_SV_FOpenFileWrite: %s\n", ospath );
 	}
 
-	FS_FilenameIsExecutable( ospath, __func__ );
+	FS_CheckFilenameIsNotExecutable( ospath, __func__ );
 
 	if( FS_CreatePath( ospath ) ) {
 		return 0;
@@ -777,7 +778,7 @@ void FS_SV_Rename( const char *from, const char *to ) {
 		Com_Printf( "FS_SV_Rename: %s --> %s\n", from_ospath, to_ospath );
 	}
 
-	FS_FilenameIsExecutable( to_ospath, __func__ );
+	FS_CheckFilenameIsNotExecutable( to_ospath, __func__ );
 
 	if (rename( from_ospath, to_ospath )) {
 		// Failed, try copying it and deleting the original
@@ -811,7 +812,7 @@ void FS_Rename( const char *from, const char *to ) {
 		Com_Printf( "FS_Rename: %s --> %s\n", from_ospath, to_ospath );
 	}
 
-	FS_FilenameIsExecutable( to_ospath, __func__ );
+	FS_CheckFilenameIsNotExecutable( to_ospath, __func__ );
 
 	if (rename( from_ospath, to_ospath )) {
 		// Failed, try copying it and deleting the original
@@ -874,7 +875,7 @@ fileHandle_t FS_FOpenFileWrite( const char *filename ) {
 		Com_Printf( "FS_FOpenFileWrite: %s\n", ospath );
 	}
 
-	FS_FilenameIsExecutable( ospath, __func__ );
+	FS_CheckFilenameIsNotExecutable( ospath, __func__ );
 
 	if( FS_CreatePath( ospath ) ) {
 		return 0;
@@ -922,7 +923,7 @@ fileHandle_t FS_FOpenFileAppend( const char *filename ) {
 		Com_Printf( "FS_FOpenFileAppend: %s\n", ospath );
 	}
 
-	FS_FilenameIsExecutable( ospath, __func__ );
+	FS_CheckFilenameIsNotExecutable( ospath, __func__ );
 
 	if( FS_CreatePath( ospath ) ) {
 		return 0;
diff --git a/src/qcommon/net_ip.c b/src/qcommon/net_ip.c
index e7a52996..9ad4a821 100644
--- a/src/qcommon/net_ip.c
+++ b/src/qcommon/net_ip.c
@@ -92,13 +92,6 @@ typedef int SOCKET;
 static qboolean usingSocks = qfalse;
 static int networkingEnabled = 0;
 
-#define NET_ENABLEV4		0x01
-#define NET_ENABLEV6		0x02
-// if this flag is set, always attempt ipv6 connections instead of ipv4 if a v6 address is found.
-#define NET_PRIOV6		0x04
-// disables ipv6 multicast support if set.
-#define NET_DISABLEMCAST	0x08
-
 static cvar_t	*net_enabled;
 
 static cvar_t	*net_socksEnabled;
@@ -274,7 +267,9 @@ Sys_StringToSockaddr
 */
 static qboolean Sys_StringToSockaddr(const char *s, struct sockaddr *sadr, int sadr_len, sa_family_t family)
 {
-	struct addrinfo hints, *res = NULL, *search;
+	struct addrinfo hints;
+	struct addrinfo *res = NULL;
+	struct addrinfo *search = NULL;
 	struct addrinfo *hintsp;
 	int retval;
 	
@@ -284,8 +279,6 @@ static qboolean Sys_StringToSockaddr(const char *s, struct sockaddr *sadr, int s
 	hintsp = &hints;
 	hintsp->ai_family = family;
 	hintsp->ai_socktype = SOCK_DGRAM;
-	// FIXME: we should set "->ai_flags" to AI_PASSIVE if we intend
-	//        to use this structure for a bind() - instead of a sendto()
 	
 	retval = getaddrinfo(s, NULL, hintsp, &res);
 
@@ -294,18 +287,20 @@ static qboolean Sys_StringToSockaddr(const char *s, struct sockaddr *sadr, int s
 		if(family == AF_UNSPEC)
 		{
 			// Decide here and now which protocol family to use
-			if((net_enabled->integer & NET_ENABLEV6) && (net_enabled->integer & NET_PRIOV6))
-				search = SearchAddrInfo(res, AF_INET6);
+			if(net_enabled->integer & NET_PRIOV6)
+			{
+				if(net_enabled->integer & NET_ENABLEV6)
+					search = SearchAddrInfo(res, AF_INET6);
+				
+				if(!search && (net_enabled->integer & NET_ENABLEV4))
+					search = SearchAddrInfo(res, AF_INET);
+			}
 			else
-				search = SearchAddrInfo(res, AF_INET);
-			
-			if(!search)
 			{
-				if((net_enabled->integer & NET_ENABLEV6) &&
-				   (net_enabled->integer & NET_PRIOV6) &&
-				   (net_enabled->integer & NET_ENABLEV4))
+				if(net_enabled->integer & NET_ENABLEV4)
 					search = SearchAddrInfo(res, AF_INET);
-				else if(net_enabled->integer & NET_ENABLEV6)
+				
+				if(!search && (net_enabled->integer & NET_ENABLEV6))
 					search = SearchAddrInfo(res, AF_INET6);
 			}
 		}
@@ -348,7 +343,8 @@ static void Sys_SockaddrToString(char *dest, int destlen, struct sockaddr *input
 	else
 		inputlen = sizeof(struct sockaddr_in);
 
-	getnameinfo(input, inputlen, dest, destlen, NULL, 0, NI_NUMERICHOST);
+	if(getnameinfo(input, inputlen, dest, destlen, NULL, 0, NI_NUMERICHOST) && destlen > 0)
+		*dest = '\0';
 }
 
 /*
@@ -382,47 +378,96 @@ qboolean Sys_StringToAdr( const char *s, netadr_t *a, netadrtype_t family ) {
 
 /*
 ===================
-NET_CompareBaseAdr
+NET_CompareBaseAdrMask
 
-Compares without the port
+Compare without port, and up to the bit number given in netmask.
 ===================
 */
-qboolean	NET_CompareBaseAdr (netadr_t a, netadr_t b)
+qboolean NET_CompareBaseAdrMask(netadr_t a, netadr_t b, int netmask)
 {
+	qboolean differed;
+	byte cmpmask, *addra, *addrb;
+	int curbyte;
+	
 	if (a.type != b.type)
 		return qfalse;
 
 	if (a.type == NA_LOOPBACK)
 		return qtrue;
 
-	if (a.type == NA_IP)
+	if(a.type == NA_IP)
 	{
-		if(!memcmp(a.ip, b.ip, sizeof(a.ip)))
-			return qtrue;
+		addra = (byte *) &a.ip;
+		addrb = (byte *) &b.ip;
 		
-		return qfalse;
+		if(netmask < 0 || netmask > 32)
+			netmask = 32;
 	}
-	
-	if (a.type == NA_IP6)
+	else if(a.type == NA_IP6)
 	{
-		if(!memcmp(a.ip6, b.ip6, sizeof(a.ip6)) && a.scope_id == b.scope_id)
-				  return qtrue;
+		addra = (byte *) &a.ip6;
+		addrb = (byte *) &b.ip6;
 		
+		if(netmask < 0 || netmask > 128)
+			netmask = 128;
+	}
+	else
+	{
+		Com_Printf ("NET_CompareBaseAdr: bad address type\n");
 		return qfalse;
 	}
 
-	Com_Printf ("NET_CompareBaseAdr: bad address type\n");
+	differed = qfalse;
+	curbyte = 0;
+
+	while(netmask > 7)
+	{
+		if(addra[curbyte] != addrb[curbyte])
+		{
+			differed = qtrue;
+			break;
+		}
+
+		curbyte++;
+		netmask -= 8;
+	}
+
+	if(differed)
+		return qfalse;
+
+	if(netmask)
+	{
+		cmpmask = (1 << netmask) - 1;
+		cmpmask <<= 8 - netmask;
+
+		if((addra[curbyte] & cmpmask) == (addrb[curbyte] & cmpmask))
+			return qtrue;
+	}
+	else
+		return qtrue;
+	
 	return qfalse;
 }
 
+
+/*
+===================
+NET_CompareBaseAdr
+
+Compares without the port
+===================
+*/
+qboolean NET_CompareBaseAdr (netadr_t a, netadr_t b)
+{
+	return NET_CompareBaseAdrMask(a, b, -1);
+}
+
 const char	*NET_AdrToString (netadr_t a)
 {
 	static	char	s[NET_ADDRSTRMAXLEN];
 
 	if (a.type == NA_LOOPBACK)
-	{
 		Com_sprintf (s, sizeof(s), "loopback");
-	}
 	else if (a.type == NA_IP || a.type == NA_IP6)
 	{
 		struct sockaddr_storage sadr;
@@ -440,16 +485,11 @@ const char	*NET_AdrToStringwPort (netadr_t a)
 	static	char	s[NET_ADDRSTRMAXLEN];
 
 	if (a.type == NA_LOOPBACK)
-	{
 		Com_sprintf (s, sizeof(s), "loopback");
-	}
-	else if (a.type == NA_IP || a.type == NA_IP6)
-	{
-		if(a.type == NA_IP)
-			Com_sprintf(s, sizeof(s), "%s:%hu", NET_AdrToString(a), ntohs(a.port));
-		else if(a.type == NA_IP6)
-			Com_sprintf(s, sizeof(s), "[%s]:%hu", NET_AdrToString(a), ntohs(a.port));
-	}
+	else if(a.type == NA_IP)
+		Com_sprintf(s, sizeof(s), "%s:%hu", NET_AdrToString(a), ntohs(a.port));
+	else if(a.type == NA_IP6)
+		Com_sprintf(s, sizeof(s), "[%s]:%hu", NET_AdrToString(a), ntohs(a.port));
 
 	return s;
 }
@@ -886,7 +926,7 @@ int NET_IP6Socket( char *net_interface, int port, struct sockaddr_in6 *bindto, i
 
 #ifdef IPV6_V6ONLY
 	{
-		int i;
+		int i = 1;
 
 		// ipv4 addresses should not be allowed to connect via this socket.
 		if(setsockopt(newsocket, IPPROTO_IPV6, IPV6_V6ONLY, (char *) &i, sizeof(i)) == SOCKET_ERROR)
@@ -1278,9 +1318,6 @@ void NET_GetLocalAddress( void ) {
 	char				hostname[256];
 	struct addrinfo		hint;
 	struct addrinfo 	*res = NULL;
-	struct addrinfo 	*search;
-	struct sockaddr_in mask4;
-	struct sockaddr_in6 mask6;
 
 	if(gethostname( hostname, 256 ) == SOCKET_ERROR)
 		return;
@@ -1292,29 +1329,36 @@ void NET_GetLocalAddress( void ) {
 	hint.ai_family = AF_UNSPEC;
 	hint.ai_socktype = SOCK_DGRAM;
 	
-	if(getaddrinfo(hostname, NULL, &hint, &res))
- 		return;
-
-	/* On operating systems where it's more difficult to find out the configured interfaces, we'll just assume a
-	 * netmask with all bits set. */
-	
-	memset(&mask4, 0, sizeof(mask4));
-	memset(&mask6, 0, sizeof(mask6));
-	mask4.sin_family = AF_INET;
-	memset(&mask4.sin_addr.s_addr, 0xFF, sizeof(mask4.sin_addr.s_addr));
-	mask6.sin6_family = AF_INET6;
-	memset(&mask6.sin6_addr, 0xFF, sizeof(mask6.sin6_addr));
-
-	// add all IPs from returned list.
-	for(search = res; search; search = search->ai_next)
+	if(!getaddrinfo(hostname, NULL, &hint, &res))
 	{
-		if(search->ai_family == AF_INET)
-			NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask4);
-		else if(search->ai_family == AF_INET6)
-			NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask6);
+		struct sockaddr_in mask4;
+		struct sockaddr_in6 mask6;
+		struct addrinfo 	*search;
+	
+		/* On operating systems where it's more difficult to find out the configured interfaces, we'll just assume a
+		 * netmask with all bits set. */
+	
+		memset(&mask4, 0, sizeof(mask4));
+		memset(&mask6, 0, sizeof(mask6));
+		mask4.sin_family = AF_INET;
+		memset(&mask4.sin_addr.s_addr, 0xFF, sizeof(mask4.sin_addr.s_addr));
+		mask6.sin6_family = AF_INET6;
+		memset(&mask6.sin6_addr, 0xFF, sizeof(mask6.sin6_addr));
+
+		// add all IPs from returned list.
+		for(search = res; search; search = search->ai_next)
+		{
+			if(search->ai_family == AF_INET)
+				NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask4);
+			else if(search->ai_family == AF_INET6)
+				NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask6);
+		}
+	
+		Sys_ShowIP();
 	}
 	
-	Sys_ShowIP();
+	if(res)
+		freeaddrinfo(res);
 }
 #endif
 
@@ -1329,11 +1373,6 @@ void NET_OpenIP( void ) {
 	int		port;
 	int		port6;
 
-	net_ip = Cvar_Get( "net_ip", "0.0.0.0", CVAR_LATCH );
-	net_ip6 = Cvar_Get( "net_ip6", "::", CVAR_LATCH );
-	net_port = Cvar_Get( "net_port", va( "%i", PORT_SERVER ), CVAR_LATCH );
-	net_port6 = Cvar_Get( "net_port6", va( "%i", PORT_SERVER ), CVAR_LATCH );
-	
 	port = net_port->integer;
 	port6 = net_port6->integer;
 
@@ -1397,14 +1436,8 @@ NET_GetCvars
 ====================
 */
 static qboolean NET_GetCvars( void ) {
-	qboolean	modified;
-
-	modified = qfalse;
+	int modified;
 
-	if( net_enabled && net_enabled->modified ) {
-		modified = qtrue;
-	}
-	
 #ifdef DEDICATED
 	// I want server owners to explicitly turn on ipv6 support.
 	net_enabled = Cvar_Get( "net_enabled", "1", CVAR_LATCH | CVAR_ARCHIVE );
@@ -1413,45 +1446,55 @@ static qboolean NET_GetCvars( void ) {
 	 * used if available due to ping */
 	net_enabled = Cvar_Get( "net_enabled", "3", CVAR_LATCH | CVAR_ARCHIVE );
 #endif
+	modified = net_enabled->modified;
+	net_enabled->modified = qfalse;
+
+	net_ip = Cvar_Get( "net_ip", "0.0.0.0", CVAR_LATCH );
+	modified += net_ip->modified;
+	net_ip->modified = qfalse;
+	
+	net_ip6 = Cvar_Get( "net_ip6", "::", CVAR_LATCH );
+	modified += net_ip6->modified;
+	net_ip6->modified = qfalse;
+	
+	net_port = Cvar_Get( "net_port", va( "%i", PORT_SERVER ), CVAR_LATCH );
+	modified += net_port->modified;
+	net_port->modified = qfalse;
+	
+	net_port6 = Cvar_Get( "net_port6", va( "%i", PORT_SERVER ), CVAR_LATCH );
+	modified += net_port6->modified;
+	net_port6->modified = qfalse;
 
 	// Some cvars for configuring multicast options which facilitates scanning for servers on local subnets.
-	if( net_mcast6addr && net_mcast6addr->modified ) {
-		modified = qtrue;
-	}
 	net_mcast6addr = Cvar_Get( "net_mcast6addr", NET_MULTICAST_IP6, CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_mcast6addr->modified;
+	net_mcast6addr->modified = qfalse;
 
-	if( net_mcast6iface && net_mcast6iface->modified ) {
-		modified = qtrue;
-	}
 	net_mcast6iface = Cvar_Get( "net_mcast6iface", "0", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_mcast6iface->modified; 
+	net_mcast6iface->modified = qfalse;
 
-	if( net_socksEnabled && net_socksEnabled->modified ) {
-		modified = qtrue;
-	}
 	net_socksEnabled = Cvar_Get( "net_socksEnabled", "0", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_socksEnabled->modified; 
+	net_socksEnabled->modified = qfalse;
 
-	if( net_socksServer && net_socksServer->modified ) {
-		modified = qtrue;
-	}
 	net_socksServer = Cvar_Get( "net_socksServer", "", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_socksServer->modified; 
+	net_socksServer->modified = qfalse;
 
-	if( net_socksPort && net_socksPort->modified ) {
-		modified = qtrue;
-	}
 	net_socksPort = Cvar_Get( "net_socksPort", "1080", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_socksPort->modified; 
+	net_socksPort->modified = qfalse;
 
-	if( net_socksUsername && net_socksUsername->modified ) {
-		modified = qtrue;
-	}
 	net_socksUsername = Cvar_Get( "net_socksUsername", "", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_socksUsername->modified; 
+	net_socksUsername->modified = qfalse;
 
-	if( net_socksPassword && net_socksPassword->modified ) {
-		modified = qtrue;
-	}
 	net_socksPassword = Cvar_Get( "net_socksPassword", "", CVAR_LATCH | CVAR_ARCHIVE );
+	modified += net_socksPassword->modified; 
+	net_socksPassword->modified = qfalse;
 
-
-	return modified;
+	return modified ? qtrue : qfalse;
 }
 
 
@@ -1555,10 +1598,9 @@ void NET_Init( void ) {
 	Com_Printf( "Winsock Initialized\n" );
 #endif
 
-	// this is really just to get the cvars registered
-	NET_GetCvars();
-
 	NET_Config( qtrue );
+	
+	Cmd_AddCommand ("net_restart", NET_Restart_f);
 }
 
 
@@ -1608,8 +1650,7 @@ void NET_Sleep( int msec ) {
 	{
 		FD_SET(ip_socket, &fdset);
 
-		if(ip_socket > highestfd)
-			highestfd = ip_socket;
+		highestfd = ip_socket;
 	}
 	if(ip6_socket != INVALID_SOCKET)
 	{
@@ -1621,7 +1662,7 @@ void NET_Sleep( int msec ) {
 
 	timeout.tv_sec = msec/1000;
 	timeout.tv_usec = (msec%1000)*1000;
-	select(ip_socket+1, &fdset, NULL, NULL, &timeout);
+	select(highestfd + 1, &fdset, NULL, NULL, &timeout);
 }
 
 
@@ -1630,6 +1671,6 @@ void NET_Sleep( int msec ) {
 NET_Restart_f
 ====================
 */
-void NET_Restart( void ) {
+void NET_Restart_f( void ) {
 	NET_Config( networkingEnabled );
 }
diff --git a/src/qcommon/q_math.c b/src/qcommon/q_math.c
index e7924073..ba910a37 100644
--- a/src/qcommon/q_math.c
+++ b/src/qcommon/q_math.c
@@ -696,50 +696,14 @@ void SetPlaneSignbits (cplane_t *out) {
 BoxOnPlaneSide
 
 Returns 1, 2, or 1 + 2
-
-// this is the slow, general version
-int BoxOnPlaneSide2 (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
-{
-	int		i;
-	float	dist1, dist2;
-	int		sides;
-	vec3_t	corners[2];
-
-	for (i=0 ; i<3 ; i++)
-	{
-		if (p->normal[i] < 0)
-		{
-			corners[0][i] = emins[i];
-			corners[1][i] = emaxs[i];
-		}
-		else
-		{
-			corners[1][i] = emins[i];
-			corners[0][i] = emaxs[i];
-		}
-	}
-	dist1 = DotProduct (p->normal, corners[0]) - p->dist;
-	dist2 = DotProduct (p->normal, corners[1]) - p->dist;
-	sides = 0;
-	if (dist1 >= 0)
-		sides = 1;
-	if (dist2 < 0)
-		sides |= 2;
-
-	return sides;
-}
-
 ==================
 */
-
-#if !id386
-
-int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
+int BoxOnPlaneSide(vec3_t emins, vec3_t emaxs, struct cplane_s *p)
 {
-	float	dist1, dist2;
-	int		sides;
+	float	dist[2];
+	int		sides, b, i;
 
-// fast axial cases
+	// fast axial cases
 	if (p->type < 3)
 	{
 		if (p->dist <= emins[p->type])
@@ -749,291 +713,27 @@ int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
 		return 3;
 	}
 
-// general case
-	switch (p->signbits)
+	// general case
+	dist[0] = dist[1] = 0;
+	if (p->signbits < 8) // >= 8: default case is original code (dist[0]=dist[1]=0)
 	{
-	case 0:
-		dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
-		dist2 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
-		break;
-	case 1:
-		dist1 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
-		dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
-		break;
-	case 2:
-		dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
-		dist2 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
-		break;
-	case 3:
-		dist1 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
-		dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
-		break;
-	case 4:
-		dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
-		dist2 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
-		break;
-	case 5:
-		dist1 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emins[2];
-		dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emaxs[2];
-		break;
-	case 6:
-		dist1 = p->normal[0]*emaxs[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
-		dist2 = p->normal[0]*emins[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
-		break;
-	case 7:
-		dist1 = p->normal[0]*emins[0] + p->normal[1]*emins[1] + p->normal[2]*emins[2];
-		dist2 = p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
-		break;
-	default:
-		dist1 = dist2 = 0;		// shut up compiler
-		break;
+		for (i=0 ; i<3 ; i++)
+		{
+			b = (p->signbits >> i) & 1;
+			dist[ b] += p->normal[i]*emaxs[i];
+			dist[!b] += p->normal[i]*emins[i];
+		}
 	}
 
 	sides = 0;
-	if (dist1 >= p->dist)
+	if (dist[0] >= p->dist)
 		sides = 1;
-	if (dist2 < p->dist)
+	if (dist[1] < p->dist)
 		sides |= 2;
 
 	return sides;
 }
-#elif __GNUC__
-// use matha.s
-#else
-#pragma warning( disable: 4035 )
-
-__declspec( naked ) int BoxOnPlaneSide (vec3_t emins, vec3_t emaxs, struct cplane_s *p)
-{
-	static int bops_initialized;
-	static int Ljmptab[8];
-
-	__asm {
-
-		push ebx
-			
-		cmp bops_initialized, 1
-		je  initialized
-		mov bops_initialized, 1
-		
-		mov Ljmptab[0*4], offset Lcase0
-		mov Ljmptab[1*4], offset Lcase1
-		mov Ljmptab[2*4], offset Lcase2
-		mov Ljmptab[3*4], offset Lcase3
-		mov Ljmptab[4*4], offset Lcase4
-		mov Ljmptab[5*4], offset Lcase5
-		mov Ljmptab[6*4], offset Lcase6
-		mov Ljmptab[7*4], offset Lcase7
-			
-initialized:
-
-		mov edx,dword ptr[4+12+esp]
-		mov ecx,dword ptr[4+4+esp]
-		xor eax,eax
-		mov ebx,dword ptr[4+8+esp]
-		mov al,byte ptr[17+edx]
-		cmp al,8
-		jge Lerror
-		fld dword ptr[0+edx]
-		fld st(0)
-		jmp dword ptr[Ljmptab+eax*4]
-Lcase0:
-		fmul dword ptr[ebx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ebx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase1:
-		fmul dword ptr[ecx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ebx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase2:
-		fmul dword ptr[ebx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ecx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase3:
-		fmul dword ptr[ecx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ecx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase4:
-		fmul dword ptr[ebx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ebx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase5:
-		fmul dword ptr[ecx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ebx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase6:
-		fmul dword ptr[ebx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ecx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ecx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-		jmp LSetSides
-Lcase7:
-		fmul dword ptr[ecx]
-		fld dword ptr[0+4+edx]
-		fxch st(2)
-		fmul dword ptr[ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[4+ecx]
-		fld dword ptr[0+8+edx]
-		fxch st(2)
-		fmul dword ptr[4+ebx]
-		fxch st(2)
-		fld st(0)
-		fmul dword ptr[8+ecx]
-		fxch st(5)
-		faddp st(3),st(0)
-		fmul dword ptr[8+ebx]
-		fxch st(1)
-		faddp st(3),st(0)
-		fxch st(3)
-		faddp st(2),st(0)
-LSetSides:
-		faddp st(2),st(0)
-		fcomp dword ptr[12+edx]
-		xor ecx,ecx
-		fnstsw ax
-		fcomp dword ptr[12+edx]
-		and ah,1
-		xor ah,1
-		add cl,ah
-		fnstsw ax
-		and ah,1
-		add ah,ah
-		add cl,ah
-		pop ebx
-		mov eax,ecx
-		ret
-Lerror:
-		int 3
-	}
-}
-#pragma warning( default: 4035 )
 
-#endif
 
 /*
 =================
diff --git a/src/qcommon/q_platform.h b/src/qcommon/q_platform.h
index 4ce1fb56..5da62b38 100644
--- a/src/qcommon/q_platform.h
+++ b/src/qcommon/q_platform.h
@@ -30,6 +30,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #define id386 0
 #define idppc 0
 #define idppc_altivec 0
+#define idsparc 0
 
 #else
 
@@ -59,6 +60,12 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #define idppc_altivec 0
 #endif
 
+#if defined(__sparc__) && !defined(C_ONLY)
+#define idsparc 1
+#else
+#define idsparc 0
+#endif
+
 #endif
 
 #ifndef __ASM_I386__ // don't include the C bits if included from qasm.h
@@ -193,6 +200,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #ifdef __i386__
 #define ARCH_STRING "x86"
+#elif defined __amd64__
+#define ARCH_STRING "x86_64"
 #elif defined __axp__
 #define ARCH_STRING "alpha"
 #endif
diff --git a/src/qcommon/q_shared.h b/src/qcommon/q_shared.h
index 622d71fe..a346bf5e 100644
--- a/src/qcommon/q_shared.h
+++ b/src/qcommon/q_shared.h
@@ -74,6 +74,16 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #endif
 #endif
 
+#if (defined _MSC_VER)
+#define Q_EXPORT __declspec(dllexport)
+#elif (defined __SUNPRO_C)
+#define Q_EXPORT __global
+#elif ((__GNUC__ >= 3) && (!__EMX__) && (!sun))
+#define Q_EXPORT __attribute__((visibility("default")))
+#else
+#define Q_EXPORT
+#endif
+
 /**********************************************************************
   VM Considerations
 
@@ -167,6 +177,10 @@ typedef int		clipHandle_t;
 #define NULL ((void *)0)
 #endif
 
+#define STRING(s)			#s
+// expand constants before stringifying them
+#define XSTRING(s)			STRING(s)
+
 #define	MAX_QINT			0x7fffffff
 #define	MIN_QINT			(-MAX_QINT-1)
 
diff --git a/src/qcommon/qcommon.h b/src/qcommon/qcommon.h
index e4234f54..bcfd60b9 100644
--- a/src/qcommon/qcommon.h
+++ b/src/qcommon/qcommon.h
@@ -120,6 +120,14 @@ NET
 ==============================================================
 */
 
+#define NET_ENABLEV4            0x01
+#define NET_ENABLEV6            0x02
+// if this flag is set, always attempt ipv6 connections instead of ipv4 if a v6 address is found.
+#define NET_PRIOV6              0x04
+// disables ipv6 multicast support if set.
+#define NET_DISABLEMCAST        0x08
+
+
 #define	PACKET_BACKUP	32	// number of old messages that must be kept on client and
 							// server for delta comrpession and ping estimation
 #define	PACKET_MASK		(PACKET_BACKUP-1)
@@ -131,7 +139,7 @@ NET
 #define	MAX_RELIABLE_COMMANDS	128			// max string commands buffered for restransmit
 
 typedef enum {
-	NA_BAD,					// an address lookup failed
+	NA_BAD = 0,					// an address lookup failed
 	NA_LOOPBACK,
 	NA_BROADCAST,
 	NA_IP,
@@ -158,7 +166,7 @@ typedef struct {
 
 void		NET_Init( void );
 void		NET_Shutdown( void );
-void		NET_Restart( void );
+void		NET_Restart_f( void );
 void		NET_Config( qboolean enableNetworking );
 void		NET_FlushPacketQueue(void);
 void		NET_SendPacket (netsrc_t sock, int length, const void *data, netadr_t to);
@@ -166,6 +174,7 @@ void		QDECL NET_OutOfBandPrint( netsrc_t net_socket, netadr_t adr, const char *f
 void		QDECL NET_OutOfBandData( netsrc_t sock, netadr_t adr, byte *format, int len );
 
 qboolean	NET_CompareAdr (netadr_t a, netadr_t b);
+qboolean	NET_CompareBaseAdrMask(netadr_t a, netadr_t b, int netmask);
 qboolean	NET_CompareBaseAdr (netadr_t a, netadr_t b);
 qboolean	NET_IsLocalAddress (netadr_t adr);
 const char	*NET_AdrToString (netadr_t a);
@@ -584,6 +593,7 @@ void	FS_FreeFileList( char **list );
 
 qboolean FS_FileExists( const char *file );
 
+qboolean FS_CreatePath (char *OSPath);
 char   *FS_BuildOSPath( const char *base, const char *game, const char *qpath );
 
 int		FS_LoadStack( void );
diff --git a/src/qcommon/vm.c b/src/qcommon/vm.c
index c1a829a6..713256a7 100644
--- a/src/qcommon/vm.c
+++ b/src/qcommon/vm.c
@@ -357,6 +357,9 @@ intptr_t QDECL VM_DllSyscall( intptr_t arg, ... ) {
 #endif
 }
 
+
+#define	STACK_SIZE	0x20000
+
 /*
 =================
 VM_LoadQVM
@@ -424,7 +427,8 @@ vmHeader_t *VM_LoadQVM( vm_t *vm, qboolean alloc ) {
 
 	// round up to next power of 2 so all data operations can
 	// be mask protected
-	dataLength = header.h->dataLength + header.h->litLength + header.h->bssLength;
+	dataLength = header.h->dataLength + header.h->litLength +
+		header.h->bssLength + STACK_SIZE;
 	for ( i = 0 ; dataLength > ( 1 << i ) ; i++ ) {
 	}
 	dataLength = 1 << i;
@@ -516,9 +520,6 @@ If image ends in .qvm it will be interpreted, otherwise
 it will attempt to load as a system dll
 ================
 */
-
-#define	STACK_SIZE	0x20000
-
 vm_t *VM_Create( const char *module, intptr_t (*systemCalls)(intptr_t *), 
 				vmInterpret_t interpret ) {
 	vm_t		*vm;
@@ -766,7 +767,7 @@ intptr_t	QDECL VM_Call( vm_t *vm, int callnum, ... ) {
                             args[4],  args[5],  args[6], args[7],
                             args[8],  args[9]);
 	} else {
-#if id386 // i386 calling convention doesn't need conversion
+#if id386 || idsparc // i386/sparc calling convention doesn't need conversion
 #ifndef NO_VM_COMPILED
 		if ( vm->compiled )
 			r = VM_CallCompiled( vm, (int*)&callnum );
diff --git a/src/qcommon/vm_sparc.c b/src/qcommon/vm_sparc.c
new file mode 100644
index 00000000..39f2202a
--- /dev/null
+++ b/src/qcommon/vm_sparc.c
@@ -0,0 +1,1648 @@
+/*
+===========================================================================
+Copyright (C) 2009 David S. Miller <davem@davemloft.net>
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code 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 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+/* This code is based almost entirely upon the vm_powerpc.c code by
+ * Przemyslaw Iskra.  All I did was make it work on Sparc :-) -DaveM
+ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+#include <time.h>
+#include <stddef.h>
+
+#include "vm_local.h"
+#include "vm_sparc.h"
+
+/* exit() won't be called but use it because it is marked with noreturn */
+#define DIE( reason ) \
+	do { \
+		Com_Error(ERR_DROP, "vm_sparc compiler error: " reason "\n"); \
+		exit(1); \
+	} while(0)
+
+/* Select Length - first value on 32 bits, second on 64 */
+#ifdef __arch64__
+#define SL(a, b) (b)
+#else
+#define SL(a, b) (a)
+#endif
+
+#define rTMP		G1
+#define rVMDATA		G2
+#define rPSTACK		G3
+#define rDATABASE	G4
+#define rDATAMASK	G5
+
+struct sparc_opcode {
+	const char	*name;
+	unsigned int	opcode;
+	unsigned int	mask;
+	unsigned char	args[4];
+#define ARG_NONE	0
+#define ARG_RS1		1
+#define ARG_RS2		2
+#define ARG_RD		3
+#define ARG_SIMM13	4
+#define ARG_DISP30	5
+#define ARG_IMM22	6
+#define ARG_DISP22	7
+#define ARG_SWTRAP	8
+};
+
+#define ARG_RS1_RS2_RD		{ ARG_RS1, ARG_RS2, ARG_RD }
+#define ARG_RS1_SIMM13_RD	{ ARG_RS1, ARG_SIMM13, ARG_RD }
+#define ARG_RS1_RS2		{ ARG_RS1, ARG_RS2 }
+#define ARG_RS2_RD		{ ARG_RS2, ARG_RD }
+
+#define OP_MASK		0xc0000000
+#define OP2_MASK	0x01c00000
+#define OP3_MASK	0x01f80000
+#define OPF_MASK	0x00003fe0
+
+#define IMM		0x00002000
+
+#define FMT1(op)		((op) << 30), OP_MASK
+#define FMT2(op,op2)		((op) << 30)|((op2)<<22), (OP_MASK | OP2_MASK)
+#define FMT3(op,op3)		((op) << 30)|((op3)<<19), (OP_MASK | OP3_MASK | IMM)
+#define FMT3I(op,op3)		((op) << 30)|((op3)<<19)|IMM, (OP_MASK | OP3_MASK | IMM)
+#define FMT3F(op,op3,opf)	((op) << 30)|((op3)<<19)|((opf)<<5), \
+				(OP_MASK | OP3_MASK | OPF_MASK)
+
+#define BICC(A,COND)		FMT2(0,((A<<7)|(COND<<3)|0x2))
+#define BFCC(A,COND)		FMT2(0,((A<<7)|(COND<<3)|0x6))
+#define TICC(COND)		FMT3I(0,((COND<<6)|0x3a))
+
+enum sparc_iname {
+	CALL, NOP, SETHI,
+
+	BA, BN, BNE, BE, BG, BLE, BGE, BL, BGU, BLEU, BCC, BCS,
+	BPOS, BNEG, BVC, BVS,
+
+	ADDI, ADD,
+	ANDI, AND,
+	ORI, OR,
+	XORI, XOR,
+	SUBI, SUB,
+	ANDNI, ANDN,
+	ORNI, ORN,
+	XNORI, XNOR,
+
+	UMULI, UMUL,
+	SMULI, SMUL,
+	UDIVI, UDIV,
+	SDIVI, SDIV,
+
+	SUBCCI, SUBCC,
+
+	SLLI, SLL,
+	SRLI, SRL,
+	SRAI, SRA,
+
+	WRI, WR,
+
+	SAVEI, SAVE,
+	RESTOREI, RESTORE,
+
+	TA,
+
+	JMPLI, JMPL,
+
+	LDXI, LDX,
+	LDUWI, LDUW,
+	LDUHI, LDUH,
+	LDUBI, LDUB,
+
+	STXI, STX,
+	STWI, STW,
+	STHI, STH,
+	STBI, STB,
+
+	LDFI, LDF,
+	STFI, STF,
+
+	FADD, FSUB, FCMP, FSTOI, FITOS, FNEG, FDIV, FMUL,
+	FBE, FBNE, FBL, FBGE, FBG, FBLE,
+};
+
+#define LDLI	SL(LDUWI, LDXI)
+#define LDL	SL(LDUW, LDX)
+#define STLI	SL(STWI, STXI)
+#define STL	SL(STW, STX)
+
+#define SPARC_NOP	0x01000000
+
+static const struct sparc_opcode sparc_opcodes[] = {
+	{ "call",	FMT1(1), { ARG_DISP30 }, },
+	{ "nop",	SPARC_NOP, 0xffffffff, { ARG_NONE }, }, /* sethi %hi(0), %g0 */
+	{ "sethi",	FMT2(0,4), { ARG_IMM22, ARG_RD }, },
+	{ "ba",		BICC(0,8), { ARG_DISP22 }, },
+	{ "bn",		BICC(0,0), { ARG_DISP22 }, },
+	{ "bne",	BICC(0,9), { ARG_DISP22 }, },
+	{ "be",		BICC(0,1), { ARG_DISP22 }, },
+	{ "bg",		BICC(0,10), { ARG_DISP22 }, },
+	{ "ble",	BICC(0,2), { ARG_DISP22 }, },
+	{ "bge",	BICC(0,11), { ARG_DISP22 }, },
+	{ "bl",		BICC(0,3), { ARG_DISP22 }, },
+	{ "bgu",	BICC(0,12), { ARG_DISP22 }, },
+	{ "bleu",	BICC(0,4), { ARG_DISP22 }, },
+	{ "bcc",	BICC(0,13), { ARG_DISP22 }, },
+	{ "bcs",	BICC(0,5), { ARG_DISP22 }, },
+	{ "bpos",	BICC(0,14), { ARG_DISP22 }, },
+	{ "bneg",	BICC(0,6), { ARG_DISP22 }, },
+	{ "bvc",	BICC(0,15), { ARG_DISP22 }, },
+	{ "bvs",	BICC(0,7), { ARG_DISP22 }, },
+
+	{ "add",	FMT3I(2, 0x00), ARG_RS1_SIMM13_RD, },
+	{ "add",	FMT3 (2, 0x00), ARG_RS1_RS2_RD,    },
+	{ "and",	FMT3I(2, 0x01), ARG_RS1_SIMM13_RD, },
+	{ "and",	FMT3 (2, 0x01), ARG_RS1_RS2_RD,    },
+	{ "or",		FMT3I(2, 0x02), ARG_RS1_SIMM13_RD, },
+	{ "or",		FMT3 (2, 0x02), ARG_RS1_RS2_RD,    },
+	{ "xor",	FMT3I(2, 0x03), ARG_RS1_SIMM13_RD, },
+	{ "xor",	FMT3 (2, 0x03), ARG_RS1_RS2_RD,    },
+	{ "sub",	FMT3I(2, 0x04), ARG_RS1_SIMM13_RD, },
+	{ "sub",	FMT3 (2, 0x04), ARG_RS1_RS2_RD,    },
+	{ "andn",	FMT3I(2, 0x05), ARG_RS1_SIMM13_RD, },
+	{ "andn",	FMT3 (2, 0x05), ARG_RS1_RS2_RD,    },
+	{ "orn",	FMT3I(2, 0x06), ARG_RS1_SIMM13_RD, },
+	{ "orn",	FMT3 (2, 0x06), ARG_RS1_RS2_RD,    },
+	{ "xnor",	FMT3I(2, 0x07), ARG_RS1_SIMM13_RD, },
+	{ "xnor",	FMT3 (2, 0x07), ARG_RS1_RS2_RD,    },
+
+	{ "umul",	FMT3I(2, 0x0a), ARG_RS1_SIMM13_RD, },
+	{ "umul",	FMT3 (2, 0x0a), ARG_RS1_RS2_RD,    },
+	{ "smul",	FMT3I(2, 0x0b), ARG_RS1_SIMM13_RD, },
+	{ "smul",	FMT3 (2, 0x0b), ARG_RS1_RS2_RD,    },
+	{ "udiv",	FMT3I(2, 0x0e), ARG_RS1_SIMM13_RD, },
+	{ "udiv",	FMT3 (2, 0x0e), ARG_RS1_RS2_RD,    },
+	{ "sdiv",	FMT3I(2, 0x0f), ARG_RS1_SIMM13_RD, },
+	{ "sdiv",	FMT3 (2, 0x0f), ARG_RS1_RS2_RD,    },
+
+	{ "subcc",	FMT3I(2, 0x14), ARG_RS1_SIMM13_RD, },
+	{ "subcc",	FMT3 (2, 0x14), ARG_RS1_RS2_RD,    },
+
+	{ "sll",	FMT3I(2, 0x25), ARG_RS1_SIMM13_RD, },
+	{ "sll",	FMT3 (2, 0x25), ARG_RS1_RS2_RD,    },
+	{ "srl",	FMT3I(2, 0x26), ARG_RS1_SIMM13_RD, },
+	{ "srl",	FMT3 (2, 0x26), ARG_RS1_RS2_RD,    },
+	{ "sra",	FMT3I(2, 0x27), ARG_RS1_SIMM13_RD, },
+	{ "sra",	FMT3 (2, 0x27), ARG_RS1_RS2_RD,    },
+
+	{ "wr",		FMT3I(2, 0x30), ARG_RS1_SIMM13_RD, },
+	{ "wr",		FMT3 (2, 0x30), ARG_RS1_SIMM13_RD, },
+
+	{ "save",	FMT3I(2,0x3c), ARG_RS1_SIMM13_RD, },
+	{ "save",	FMT3 (2,0x3c), ARG_RS1_RS2_RD,    },
+	{ "restore",	FMT3I(2,0x3d), ARG_RS1_SIMM13_RD, },
+	{ "restore",	FMT3 (2,0x3d), ARG_RS1_RS2_RD,    },
+	{ "ta",		TICC(8), { ARG_SWTRAP, ARG_NONE }, },
+	{ "jmpl",	FMT3I(2,0x38), ARG_RS1_SIMM13_RD, },
+	{ "jmpl",	FMT3 (2,0x38), ARG_RS1_RS2_RD,    },
+
+	{ "ldx",	FMT3I(3,0x0b), ARG_RS1_SIMM13_RD, },
+	{ "ldx",	FMT3 (3,0x0b), ARG_RS1_RS2_RD,    },
+	{ "lduw",	FMT3I(3,0x00), ARG_RS1_SIMM13_RD, },
+	{ "lduw",	FMT3 (3,0x00), ARG_RS1_RS2_RD,    },
+	{ "lduh",	FMT3I(3,0x02), ARG_RS1_SIMM13_RD, },
+	{ "lduh",	FMT3 (3,0x02), ARG_RS1_RS2_RD,    },
+	{ "ldub",	FMT3I(3,0x01), ARG_RS1_SIMM13_RD, },
+	{ "ldub",	FMT3 (3,0x01), ARG_RS1_RS2_RD,    },
+
+	{ "stx",	FMT3I(3,0x0e), ARG_RS1_SIMM13_RD, },
+	{ "stx",	FMT3 (3,0x0e), ARG_RS1_RS2_RD,    },
+	{ "stw",	FMT3I(3,0x04), ARG_RS1_SIMM13_RD, },
+	{ "stw",	FMT3 (3,0x04), ARG_RS1_RS2_RD,    },
+	{ "sth",	FMT3I(3,0x06), ARG_RS1_SIMM13_RD, },
+	{ "sth",	FMT3 (3,0x06), ARG_RS1_RS2_RD,    },
+	{ "stb",	FMT3I(3,0x05), ARG_RS1_SIMM13_RD, },
+	{ "stb",	FMT3 (3,0x05), ARG_RS1_RS2_RD,    },
+
+	{ "ldf",	FMT3I(3,0x20), ARG_RS1_SIMM13_RD, },
+	{ "ldf",	FMT3 (3,0x20), ARG_RS1_RS2_RD,    },
+	{ "stf",	FMT3I(3,0x24), ARG_RS1_SIMM13_RD, },
+	{ "stf",	FMT3 (3,0x24), ARG_RS1_RS2_RD, },
+
+	{ "fadd",	FMT3F(2,0x34,0x041), ARG_RS1_RS2_RD, },
+	{ "fsub",	FMT3F(2,0x34,0x045), ARG_RS1_RS2_RD, },
+	{ "fcmp",	FMT3F(2,0x35,0x051), ARG_RS1_RS2, },
+	{ "fstoi",	FMT3F(2,0x34,0x0d1), ARG_RS2_RD, },
+	{ "fitos",	FMT3F(2,0x34,0x0c4), ARG_RS2_RD, },
+
+	{ "fneg",	FMT3F(2,0x34,0x005), ARG_RS2_RD, },
+	{ "fdiv",	FMT3F(2,0x34,0x04d), ARG_RS1_RS2_RD, },
+	{ "fmul",	FMT3F(2,0x34,0x049), ARG_RS1_RS2_RD, },
+
+	{ "fbe",	BFCC(0,9), { ARG_DISP22 }, },
+	{ "fbne",	BFCC(0,1), { ARG_DISP22 }, },
+	{ "fbl",	BFCC(0,4), { ARG_DISP22 }, },
+	{ "fbge",	BFCC(0,11), { ARG_DISP22 }, },
+	{ "fbg",	BFCC(0,6), { ARG_DISP22 }, },
+	{ "fble",	BFCC(0,13), { ARG_DISP22 }, },
+};
+#define SPARC_NUM_OPCODES (sizeof(sparc_opcodes) / sizeof(sparc_opcodes[0]))
+
+#define RS1(X)			(((X) & 0x1f) << 14)
+#define RS2(X)			(((X) & 0x1f) << 0)
+#define RD(X)			(((X) & 0x1f) << 25)
+#define SIMM13(X)		(((X) & 0x1fff) << 0)
+#define IMM22(X)		(((X) & 0x3fffff) << 0)
+#define DISP30(X)		((((X) >> 2) & 0x3fffffff) << 0)
+#define DISP22(X)		((((X) >> 2) & 0x3fffff) << 0)
+#define SWTRAP(X)		(((X) & 0x7f) << 0)
+
+#define SIMM13_P(X)		((unsigned int) (X) + 0x1000 < 0x2000)
+
+static void vimm(unsigned int val, int bits, int shift, int sgned, int arg_index)
+{
+	unsigned int orig_val = val;
+	int orig_bits = bits;
+
+	if (sgned) {
+		int x = (int) val;
+		if (x < 0)
+			x = -x;
+		val = (unsigned int) x;
+		bits--;
+	}
+	if (val & ~((1U << bits) - 1U)) {
+		Com_Printf("VM ERROR: immediate value 0x%08x out of %d bit range\n",
+			   orig_val, orig_bits);
+		DIE("sparc VM bug");
+	}
+}
+
+static unsigned int sparc_assemble(enum sparc_iname iname, const int argc, const int *argv)
+{
+	const struct sparc_opcode *op = &sparc_opcodes[iname];
+	unsigned int insn = op->opcode;
+	int i, flt, rd_flt;
+
+	flt = (op->name[0] == 'f');
+	rd_flt = flt || (op->name[2] == 'f');
+
+	for (i = 0; op->args[i] != ARG_NONE; i++) {
+		int val = argv[i];
+
+		switch (op->args[i]) {
+		case ARG_RS1: insn |= RS1(val); break;
+		case ARG_RS2: insn |= RS2(val); break;
+		case ARG_RD:  insn |= RD(val); break;
+		case ARG_SIMM13: insn |= SIMM13(val); vimm(val,13,0,1,i); break;
+		case ARG_DISP30: insn |= DISP30(val); vimm(val,30,0,1,i); break;
+		case ARG_IMM22: insn |= IMM22(val); vimm(val,22,0,0,i); break;
+		case ARG_DISP22: insn |= DISP22(val); vimm(val,22,0,1,i); break;
+		case ARG_SWTRAP: insn |= SWTRAP(val); vimm(val,7,0,0,i); break;
+		}
+	}
+
+	return insn;
+}
+
+#define IN(inst, args...) \
+({	const int argv[] = { args }; \
+	const int argc = sizeof(argv) / sizeof(argv[0]); \
+	sparc_assemble(inst, argc, argv); \
+})
+
+#if 0
+static void pgreg(int reg_num, int arg_index, int flt)
+{
+	if (!flt) {
+		const char *fmt[] = { "%g", "%o", "%l", "%i" };
+
+		Com_Printf("%s%s%d",
+			   (arg_index ? ", " : ""),
+			   fmt[reg_num >> 3], reg_num & 7);
+	} else
+		Com_Printf("%s%%f%d", (arg_index ? ", " : ""), reg_num);
+}
+
+static void pimm(unsigned int val, int bits, int shift, int sgned, int arg_index)
+	
+{
+	val >>= shift;
+	val &= ((1 << bits) - 1);
+	if (sgned) {
+		int sval = val << (32 - bits);
+		sval >>= (32 - bits);
+		Com_Printf("%s%d",
+			   (arg_index ? ", " : ""), sval);
+	} else
+		Com_Printf("%s0x%08x",
+			   (arg_index ? ", " : ""), val);
+}
+
+static void sparc_disassemble(unsigned int insn)
+{
+	int op_idx;
+
+	for (op_idx = 0; op_idx < SPARC_NUM_OPCODES; op_idx++) {
+		const struct sparc_opcode *op = &sparc_opcodes[op_idx];
+		int i, flt, rd_flt;
+
+		if ((insn & op->mask) != op->opcode)
+			continue;
+
+		flt = (op->name[0] == 'f');
+		rd_flt = flt || (op->name[2] == 'f');
+
+		Com_Printf("ASM: %7s\t", op->name);
+		for (i = 0; op->args[i] != ARG_NONE; i++) {
+			switch (op->args[i]) {
+			case ARG_RS1: pgreg((insn >> 14) & 0x1f, i, flt); break;
+			case ARG_RS2: pgreg((insn >> 0) & 0x1f, i, flt); break;
+			case ARG_RD:  pgreg((insn >> 25) & 0x1f, i, rd_flt); break;
+			case ARG_SIMM13: pimm(insn, 13, 0, 1, i); break;
+			case ARG_DISP30: pimm(insn, 30, 0, 0, i); break;
+			case ARG_IMM22: pimm(insn, 22, 0, 0, i); break;
+			case ARG_DISP22: pimm(insn, 22, 0, 0, i); break;
+			case ARG_SWTRAP: pimm(insn, 7, 0, 0, i); break;
+			}
+		}
+		Com_Printf("\n");
+		return;
+	}
+}
+#endif
+
+/*
+ * opcode information table:
+ * - length of immediate value
+ * - returned register type
+ * - required register(s) type
+ */
+#define opImm0	0x0000 /* no immediate */
+#define opImm1	0x0001 /* 1 byte immadiate value after opcode */
+#define opImm4	0x0002 /* 4 bytes immediate value after opcode */
+
+#define opRet0	0x0000 /* returns nothing */
+#define opRetI	0x0004 /* returns integer */
+#define opRetF	0x0008 /* returns float */
+#define opRetIF	(opRetI | opRetF) /* returns integer or float */
+
+#define opArg0	0x0000 /* requires nothing */
+#define opArgI	0x0010 /* requires integer(s) */
+#define opArgF	0x0020 /* requires float(s) */
+#define opArgIF	(opArgI | opArgF) /* requires integer or float */
+
+#define opArg2I	0x0040 /* requires second argument, integer */
+#define opArg2F	0x0080 /* requires second argument, float */
+#define opArg2IF (opArg2I | opArg2F) /* requires second argument, integer or float */
+
+static const unsigned char vm_opInfo[256] =
+{
+	[OP_UNDEF]	= opImm0,
+	[OP_IGNORE]	= opImm0,
+	[OP_BREAK]	= opImm0,
+	[OP_ENTER]	= opImm4,
+			/* OP_LEAVE has to accept floats, they will be converted to ints */
+	[OP_LEAVE]	= opImm4 | opRet0 | opArgIF,
+			/* only STORE4 and POP use values from OP_CALL,
+			 * no need to convert floats back */
+	[OP_CALL]	= opImm0 | opRetI | opArgI,
+	[OP_PUSH]	= opImm0 | opRetIF,
+	[OP_POP]	= opImm0 | opRet0 | opArgIF,
+	[OP_CONST]	= opImm4 | opRetIF,
+	[OP_LOCAL]	= opImm4 | opRetI,
+	[OP_JUMP]	= opImm0 | opRet0 | opArgI,
+
+	[OP_EQ]		= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_NE]		= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_LTI]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_LEI]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_GTI]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_GEI]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_LTU]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_LEU]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_GTU]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_GEU]	= opImm4 | opRet0 | opArgI | opArg2I,
+	[OP_EQF]	= opImm4 | opRet0 | opArgF | opArg2F,
+	[OP_NEF]	= opImm4 | opRet0 | opArgF | opArg2F,
+	[OP_LTF]	= opImm4 | opRet0 | opArgF | opArg2F,
+	[OP_LEF]	= opImm4 | opRet0 | opArgF | opArg2F,
+	[OP_GTF]	= opImm4 | opRet0 | opArgF | opArg2F,
+	[OP_GEF]	= opImm4 | opRet0 | opArgF | opArg2F,
+
+	[OP_LOAD1]	= opImm0 | opRetI | opArgI,
+	[OP_LOAD2]	= opImm0 | opRetI | opArgI,
+	[OP_LOAD4]	= opImm0 | opRetIF| opArgI,
+	[OP_STORE1]	= opImm0 | opRet0 | opArgI | opArg2I,
+	[OP_STORE2]	= opImm0 | opRet0 | opArgI | opArg2I,
+	[OP_STORE4]	= opImm0 | opRet0 | opArgIF| opArg2I,
+	[OP_ARG]	= opImm1 | opRet0 | opArgIF,
+	[OP_BLOCK_COPY]	= opImm4 | opRet0 | opArgI | opArg2I,
+
+	[OP_SEX8]	= opImm0 | opRetI | opArgI,
+	[OP_SEX16]	= opImm0 | opRetI | opArgI,
+	[OP_NEGI]	= opImm0 | opRetI | opArgI,
+	[OP_ADD]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_SUB]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_DIVI]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_DIVU]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_MODI]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_MODU]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_MULI]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_MULU]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_BAND]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_BOR]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_BXOR]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_BCOM]	= opImm0 | opRetI | opArgI,
+	[OP_LSH]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_RSHI]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_RSHU]	= opImm0 | opRetI | opArgI | opArg2I,
+	[OP_NEGF]	= opImm0 | opRetF | opArgF,
+	[OP_ADDF]	= opImm0 | opRetF | opArgF | opArg2F,
+	[OP_SUBF]	= opImm0 | opRetF | opArgF | opArg2F,
+	[OP_DIVF]	= opImm0 | opRetF | opArgF | opArg2F,
+	[OP_MULF]	= opImm0 | opRetF | opArgF | opArg2F,
+	[OP_CVIF]	= opImm0 | opRetF | opArgI,
+	[OP_CVFI]	= opImm0 | opRetI | opArgF,
+};
+
+static const char *opnames[256] = {
+	"OP_UNDEF", "OP_IGNORE", "OP_BREAK", "OP_ENTER", "OP_LEAVE", "OP_CALL",
+	"OP_PUSH", "OP_POP", "OP_CONST", "OP_LOCAL", "OP_JUMP",
+	"OP_EQ", "OP_NE", "OP_LTI", "OP_LEI", "OP_GTI", "OP_GEI",
+	"OP_LTU", "OP_LEU", "OP_GTU", "OP_GEU", "OP_EQF", "OP_NEF",
+	"OP_LTF", "OP_LEF", "OP_GTF", "OP_GEF",
+	"OP_LOAD1", "OP_LOAD2", "OP_LOAD4", "OP_STORE1", "OP_STORE2",
+	"OP_STORE4", "OP_ARG", "OP_BLOCK_COPY",
+	"OP_SEX8", "OP_SEX16",
+	"OP_NEGI", "OP_ADD", "OP_SUB", "OP_DIVI", "OP_DIVU",
+	"OP_MODI", "OP_MODU", "OP_MULI", "OP_MULU", "OP_BAND",
+	"OP_BOR", "OP_BXOR", "OP_BCOM", "OP_LSH", "OP_RSHI", "OP_RSHU",
+	"OP_NEGF", "OP_ADDF", "OP_SUBF", "OP_DIVF", "OP_MULF",
+	"OP_CVIF", "OP_CVFI",
+};
+
+static void VM_Destroy_Compiled(vm_t *vm)
+{
+	if (vm->codeBase) {
+		if (munmap(vm->codeBase, vm->codeLength))
+			Com_Printf(S_COLOR_RED "Memory unmap failed, possible memory leak\n");
+	}
+	vm->codeBase = NULL;
+}
+
+typedef struct VM_Data {
+	unsigned int dataLength;
+	unsigned int codeLength;
+	unsigned int *CallThunk;
+	int (*AsmCall)(int, int);
+	void (*BlockCopy)(unsigned int, unsigned int, unsigned int);
+	unsigned int *iPointers;
+	unsigned int data[0];
+} vm_data_t;
+
+#ifdef offsetof
+# define VM_Data_Offset(field)		offsetof(vm_data_t, field)
+#else
+# define OFFSET(structName, field) \
+	((void *)&(((structName *)NULL)->field) - NULL)
+# define VM_Data_Offset(field)		OFFSET(vm_data_t, field)
+#endif
+
+struct src_insn {
+	unsigned char		op;
+	unsigned int		i_count;
+
+	union {
+		unsigned int	i;
+		signed int	si;
+		signed short	ss[2];
+		unsigned short	us[2];
+		unsigned char	b;
+	} arg;
+
+	unsigned char		dst_reg_flags;
+	unsigned char		src1_reg_flags;
+	unsigned char		src2_reg_flags;
+#define REG_FLAGS_FLOAT		0x1
+
+	struct src_insn		*next;
+};
+
+struct dst_insn;
+struct jump_insn {
+	enum sparc_iname	jump_iname;
+	int			jump_dest_insn;
+	struct dst_insn		*parent;
+	struct jump_insn	*next;
+};
+
+struct dst_insn {
+	struct dst_insn		*next;
+
+	unsigned int		count;
+	unsigned int		i_count;
+
+	struct jump_insn	*jump;
+	unsigned int		length;
+	unsigned int		code[0];
+};
+
+#define HUNK_SIZE		29
+struct data_hunk {
+	struct data_hunk *next;
+	int count;
+	unsigned int data[HUNK_SIZE];
+};
+
+struct func_info {
+	struct src_insn		*first;
+	struct src_insn		*last;
+	int			has_call;
+	int			need_float_tmp;
+
+	struct src_insn		*cached_const;
+
+	int			stack_space;
+	int			gpr_pos;
+#define rFIRST(fp)		((fp)->gpr_pos - 1)
+#define rSECOND(fp)		((fp)->gpr_pos - 2)
+#define POP_GPR(fp)		((fp)->gpr_pos--)
+#define PUSH_GPR(fp)		((fp)->gpr_pos++)
+
+	int			fpr_pos;
+#define fFIRST(fp)		((fp)->fpr_pos - 1)
+#define fSECOND(fp)		((fp)->fpr_pos - 2)
+#define POP_FPR(fp)		((fp)->fpr_pos--)
+#define PUSH_FPR(fp)		((fp)->fpr_pos++)
+
+#define INSN_BUF_SIZE		50
+	unsigned int		insn_buf[INSN_BUF_SIZE];
+	int			insn_index;
+
+	int			saved_icount;
+	int			force_emit;
+
+	struct jump_insn	*jump_first;
+	struct jump_insn	*jump_last;
+
+	struct dst_insn		*dst_first;
+	struct dst_insn		*dst_last;
+	int			dst_count;
+
+	struct dst_insn		**dst_by_i_count;
+
+	struct data_hunk	*data_first;
+	int			data_num;
+};
+
+#define THUNK_ICOUNT		-1
+
+static unsigned int sparc_push_data(struct func_info * const fp, unsigned int val)
+{
+	struct data_hunk *last, *dp = fp->data_first;
+	int off = 0;
+
+	last = NULL;
+	while (dp) {
+		int i;
+
+		for (i = 0; i < dp->count; i++) {
+			if (dp->data[i] == val) {
+				off += i;
+				return VM_Data_Offset(data[off]);
+			}
+		}
+		off += dp->count;
+		last = dp;
+		dp = dp->next;
+	}
+
+	dp = last;
+	if (!dp || dp->count >= HUNK_SIZE) {
+		struct data_hunk *new = Z_Malloc(sizeof(*new));
+		if (!dp)
+			fp->data_first = new;
+		else
+			dp->next = new;
+		dp = new;
+		dp->count = 0;
+		dp->next = NULL;
+	}
+	dp->data[dp->count++] = val;
+	fp->data_num = off + 1;
+	return VM_Data_Offset(data[off]);
+}
+
+static void dst_insn_insert_tail(struct func_info * const fp,
+				 struct dst_insn *dp)
+{
+	if (!fp->dst_first) {
+		fp->dst_first = fp->dst_last = dp;
+	} else {
+		fp->dst_last->next = dp;
+		fp->dst_last = dp;
+	}
+}
+
+static void jump_insn_insert_tail(struct func_info * const fp,
+				  struct jump_insn *jp)
+{
+	if (!fp->jump_first) {
+		fp->jump_first = fp->jump_last = jp;
+	} else {
+		fp->jump_last->next = jp;
+		fp->jump_last = jp;
+	}
+}
+
+static struct dst_insn *dst_new(struct func_info * const fp, unsigned int length,
+				struct jump_insn *jp, int insns_size)
+{
+	struct dst_insn *dp = Z_Malloc(sizeof(struct dst_insn) + insns_size);
+
+	dp->length = length;
+	dp->jump = jp;
+	dp->count = fp->dst_count++;
+	dp->i_count = fp->saved_icount;
+	dp->next = NULL;
+	if (fp->saved_icount != THUNK_ICOUNT)
+		fp->dst_by_i_count[fp->saved_icount] = dp;
+
+	return dp;
+}
+
+static void dst_insn_append(struct func_info * const fp)
+{
+	int insns_size = (sizeof(unsigned int) * fp->insn_index);
+	struct dst_insn *dp;
+
+	dp = dst_new(fp, fp->insn_index, NULL, insns_size);
+	if (insns_size)
+		memcpy(&dp->code[0], fp->insn_buf, insns_size);
+	dst_insn_insert_tail(fp, dp);
+
+	fp->insn_index = 0;
+}
+
+static void jump_insn_append(struct func_info * const fp, enum sparc_iname iname, int dest)
+{
+	struct jump_insn *jp = Z_Malloc(sizeof(*jp));
+	struct dst_insn *dp;
+
+	dp = dst_new(fp, 2, jp, 0);
+
+	jp->jump_iname = iname;
+	jp->jump_dest_insn = dest;
+	jp->parent = dp;
+	jp->next = NULL;
+
+	jump_insn_insert_tail(fp, jp);
+	dst_insn_insert_tail(fp, dp);
+}
+
+static void start_emit(struct func_info * const fp, int i_count)
+{
+	fp->saved_icount = i_count;
+	fp->insn_index = 0;
+	fp->force_emit = 0;
+}
+
+static void __do_emit_one(struct func_info * const fp, unsigned int insn)
+{
+	fp->insn_buf[fp->insn_index++] = insn;
+}
+
+#define in(inst, args...) __do_emit_one(fp,  IN(inst, args))
+
+static void end_emit(struct func_info * const fp)
+{
+	if (fp->insn_index || fp->force_emit)
+		dst_insn_append(fp);
+}
+
+static void emit_jump(struct func_info * const fp, enum sparc_iname iname, int dest)
+{
+	end_emit(fp);
+	jump_insn_append(fp, iname, dest);
+}
+
+static void analyze_function(struct func_info * const fp)
+{
+	struct src_insn *value_provider[20] = { NULL };
+	struct src_insn *sp = fp->first;
+	int opstack_depth = 0;
+
+	while ((sp = sp->next) != NULL) {
+		unsigned char opi, op = sp->op;
+
+		opi = vm_opInfo[op];
+		if (opi & opArgIF) {
+			struct src_insn *vp = value_provider[--opstack_depth];
+			unsigned char vpopi = vm_opInfo[vp->op];
+
+			if ((opi & opArgI) && (vpopi & opRetI)) {
+				/* src1 and dst are integers */
+			} else if ((opi & opArgF) && (vpopi & opRetF)) {
+				/* src1 and dst are floats */
+				vp->dst_reg_flags |= REG_FLAGS_FLOAT;
+				sp->src1_reg_flags = REG_FLAGS_FLOAT;
+			} else {
+				/* illegal combination */
+				DIE("unrecognized instruction combination");
+			}
+		}
+		if (opi & opArg2IF) {
+			struct src_insn *vp = value_provider[--opstack_depth];
+			unsigned char vpopi = vm_opInfo[vp->op];
+
+			if ((opi & opArg2I) && (vpopi & opRetI)) {
+				/* src2 and dst are integers */
+			} else if ( (opi & opArg2F) && (vpopi & opRetF) ) {
+				/* src2 and dst are floats */
+				vp->dst_reg_flags |= REG_FLAGS_FLOAT;
+				sp->src2_reg_flags = REG_FLAGS_FLOAT;
+			} else {
+				/* illegal combination */
+				DIE("unrecognized instruction combination");
+			}
+		}
+		if (opi & opRetIF) {
+			value_provider[opstack_depth] = sp;
+			opstack_depth++;
+		}
+	}
+}
+
+static int asmcall(int call, int pstack)
+{
+	vm_t *savedVM = currentVM;
+	int i, ret;
+
+	currentVM->programStack = pstack - 4;
+	if (sizeof(intptr_t) == sizeof(int)) {
+		intptr_t *argPosition = (intptr_t *)((byte *)currentVM->dataBase + pstack + 4);
+		argPosition[0] = -1 - call;
+		ret = currentVM->systemCall(argPosition);
+	} else {
+		intptr_t args[11];
+
+		args[0] = -1 - call;
+		int *argPosition = (int *)((byte *)currentVM->dataBase + pstack + 4);
+		for( i = 1; i < 11; i++ )
+			args[i] = argPosition[i];
+
+		ret = currentVM->systemCall(args);
+	}
+
+	currentVM = savedVM;
+
+	return ret;
+}
+
+static void blockcopy(unsigned int dest, unsigned int src, unsigned int count)
+{
+	unsigned int dataMask = currentVM->dataMask;
+
+	if ((dest & dataMask) != dest ||
+	    (src & dataMask) != src ||
+	    ((dest+count) & dataMask) != dest + count ||
+	    ((src+count) & dataMask) != src + count) {
+		DIE("OP_BLOCK_COPY out of range!");
+	}
+
+	memcpy(currentVM->dataBase+dest, currentVM->dataBase+src, count);
+}
+
+static void do_emit_const(struct func_info * const fp, struct src_insn *sp)
+{
+	start_emit(fp, sp->i_count);
+	if (sp->dst_reg_flags & REG_FLAGS_FLOAT) {
+		in(LDFI, rVMDATA, sparc_push_data(fp, sp->arg.i), fFIRST(fp));
+	} else {
+		if ((sp->arg.i & ~0x3ff) == 0) {
+			in(ORI, G0, sp->arg.i & 0x3ff, rFIRST(fp));
+		} else if ((sp->arg.i & 0x3ff) == 0) {
+			in(SETHI, sp->arg.i >> 10, rFIRST(fp));
+		} else {
+			in(SETHI, sp->arg.i >> 10, rFIRST(fp));
+			in(ORI, rFIRST(fp), sp->arg.i & 0x3ff, rFIRST(fp));
+		}
+	}
+	end_emit(fp);
+}
+
+#define MAYBE_EMIT_CONST(fp)	\
+do {	if ((fp)->cached_const) {	       \
+		int saved_i_count = (fp)->saved_icount; \
+		do_emit_const(fp, (fp)->cached_const); \
+		(fp)->saved_icount = saved_i_count; \
+	} \
+} while (0)
+
+#define EMIT_FALSE_CONST(fp)					\
+do {	int saved_i_count = (fp)->saved_icount;			\
+	(fp)->saved_icount = (fp)->cached_const->i_count;	\
+	dst_insn_append(fp);					\
+	(fp)->saved_icount = saved_i_count;			\
+} while (0)
+
+static void compile_one_insn(struct func_info * const fp, struct src_insn *sp)
+{
+	start_emit(fp, sp->i_count);
+
+	switch (sp->op) {
+	default:
+		Com_Printf("VM: Unhandled opcode 0x%02x[%s]\n",
+			   sp->op,
+			   opnames[sp->op] ? opnames[sp->op] : "UNKNOWN");
+		DIE("Unsupported opcode");
+		break;
+
+	case OP_ENTER: {
+		int stack = SL(64, 128);
+
+		if (fp->need_float_tmp)
+			stack += 16;
+
+		in(SAVEI, O6, -stack, O6);
+		if (!SIMM13_P(sp->arg.si)) {
+			in(SETHI, sp->arg.i >> 10, rTMP);
+			in(ORI, rTMP, sp->arg.i & 0x3ff, rTMP);
+			in(SUB, rPSTACK, rTMP, rPSTACK);
+		} else
+			in(SUBI, rPSTACK, sp->arg.si, rPSTACK);
+		break;
+	}
+	case OP_LEAVE:
+		if (fp->cached_const && SIMM13_P(fp->cached_const->arg.si)) {
+			EMIT_FALSE_CONST(fp);
+			if (fp->cached_const->src1_reg_flags & REG_FLAGS_FLOAT)
+				DIE("constant float in OP_LEAVE");
+
+			if (!SIMM13_P(sp->arg.si)) {
+				in(SETHI, sp->arg.i >> 10, rTMP);
+				in(ORI, rTMP, sp->arg.i & 0x3ff, rTMP);
+				in(ADD, rPSTACK, rTMP, rPSTACK);
+			} else
+				in(ADDI, rPSTACK, sp->arg.si, rPSTACK);
+			in(JMPLI, I7, 8, G0);
+			in(RESTOREI, G0, fp->cached_const->arg.si, O0);
+			POP_GPR(fp);
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			if (!SIMM13_P(sp->arg.si)) {
+				in(SETHI, sp->arg.i >> 10, rTMP);
+				in(ORI, rTMP, sp->arg.i & 0x3ff, rTMP);
+				in(ADD, rPSTACK, rTMP, rPSTACK);
+			} else
+				in(ADDI, rPSTACK, sp->arg.si, rPSTACK);
+			if (sp->src1_reg_flags & REG_FLAGS_FLOAT) {
+				in(STFI, O6, SL(64, 128), fFIRST(fp));
+				in(LDUWI, O6, SL(64, 128), O0);
+				in(JMPLI, I7, 8, G0);
+				in(RESTORE, O0, G0, O0);
+				POP_FPR(fp);
+			} else {
+				in(JMPLI, I7, 8, G0);
+				in(RESTORE, rFIRST(fp), G0, O0);
+				POP_GPR(fp);
+			}
+		}
+		assert(fp->gpr_pos == L0);
+		assert(fp->fpr_pos == F0);
+		break;
+	case OP_JUMP:
+		if (fp->cached_const) {
+			EMIT_FALSE_CONST(fp);
+			emit_jump(fp, BA, fp->cached_const->arg.i);
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(LDLI, rVMDATA, VM_Data_Offset(iPointers), rTMP);
+			in(SLLI, rFIRST(fp), 2, rFIRST(fp));
+			in(LDL, rTMP, rFIRST(fp), rTMP);
+			in(JMPL, rTMP, G0, G0);
+			in(NOP);
+		}
+		POP_GPR(fp);
+		break;
+	case OP_CALL:
+		if (fp->cached_const) {
+			EMIT_FALSE_CONST(fp);
+			if (fp->cached_const->arg.si >= 0) {
+				emit_jump(fp, CALL, fp->cached_const->arg.i);
+			} else {
+				in(LDLI, rVMDATA, VM_Data_Offset(CallThunk), rTMP);
+				in(LDLI, rVMDATA, VM_Data_Offset(AsmCall), O3);
+				in(ORI, G0, fp->cached_const->arg.si, O0);
+				in(JMPL, rTMP, G0, O7);
+				in(OR, G0, rPSTACK, O1);
+			}
+			in(OR, G0, O0, rFIRST(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SUBCCI, rFIRST(fp), 0, G0);
+			in(BL, +4*7);
+			in(NOP);
+
+			/* normal call */
+			in(LDLI, rVMDATA, VM_Data_Offset(iPointers), O5);
+			in(SLLI, rFIRST(fp), 2, rFIRST(fp));
+			in(LDL, O5, rFIRST(fp), rTMP);
+			in(BA, +4*4);
+			in(NOP);
+
+			/* syscall */
+			in(LDLI, rVMDATA, VM_Data_Offset(CallThunk), rTMP);
+			in(LDLI, rVMDATA, VM_Data_Offset(AsmCall), O3);
+
+			in(OR, G0, rFIRST(fp), O0);
+			in(JMPL, rTMP, G0, O7);
+			in(OR, G0, rPSTACK, O1);
+
+			/* return value */
+			in(OR, G0, O0, rFIRST(fp));
+		}
+		break;
+	case OP_BLOCK_COPY:
+		MAYBE_EMIT_CONST(fp);
+		in(LDLI, rVMDATA, VM_Data_Offset(CallThunk), rTMP);
+		in(LDLI, rVMDATA, VM_Data_Offset(BlockCopy), O3);
+		in(OR, G0, rSECOND(fp), O0);
+		in(OR, G0, rFIRST(fp), O1);
+		if ((sp->arg.i & ~0x3ff) == 0) {
+			in(ORI, G0, sp->arg.i & 0x3ff, O2);
+		} else if ((sp->arg.i & 0x3ff) == 0) {
+			in(SETHI, sp->arg.i >> 10, O2);
+		} else {
+			in(SETHI, sp->arg.i >> 10, O2);
+			in(ORI, O2, sp->arg.i & 0x3ff, O2);
+		}
+		in(JMPL, rTMP, G0, O7);
+		in(NOP);
+		POP_GPR(fp);
+		POP_GPR(fp);
+		break;
+
+	case OP_PUSH:
+		MAYBE_EMIT_CONST(fp);
+		if (sp->dst_reg_flags & REG_FLAGS_FLOAT)
+			PUSH_FPR(fp);
+		else
+			PUSH_GPR(fp);
+		fp->force_emit = 1;
+		break;
+	case OP_POP:
+		MAYBE_EMIT_CONST(fp);
+		if (sp->src1_reg_flags & REG_FLAGS_FLOAT)
+			POP_FPR(fp);
+		else
+			POP_GPR(fp);
+		fp->force_emit = 1;
+		break;
+	case OP_ARG:
+		MAYBE_EMIT_CONST(fp);
+		in(ADDI, rPSTACK, sp->arg.b, rTMP);
+		if (sp->src1_reg_flags & REG_FLAGS_FLOAT) {
+			in(STF, rDATABASE, rTMP, fFIRST(fp));
+			POP_FPR(fp);
+		} else {
+			in(STW, rDATABASE, rTMP, rFIRST(fp));
+			POP_GPR(fp);
+		}
+		break;
+	case OP_IGNORE:
+		MAYBE_EMIT_CONST(fp);
+		in(NOP);
+		break;
+	case OP_BREAK:
+		MAYBE_EMIT_CONST(fp);
+		in(TA, 0x5);
+		break;
+	case OP_LOCAL:
+		MAYBE_EMIT_CONST(fp);
+		PUSH_GPR(fp);
+		if (!SIMM13_P(sp->arg.i)) {
+			in(SETHI, sp->arg.i >> 10, rTMP);
+			in(ORI, rTMP, sp->arg.i & 0x3ff, rTMP);
+			in(ADD, rPSTACK, rTMP, rFIRST(fp));
+		} else
+			in(ADDI, rPSTACK, sp->arg.i, rFIRST(fp));
+		break;
+	case OP_CONST:
+		MAYBE_EMIT_CONST(fp);
+		break;
+	case OP_LOAD4:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rFIRST(fp), rDATAMASK, rFIRST(fp));
+		if (sp->dst_reg_flags & REG_FLAGS_FLOAT) {
+			PUSH_FPR(fp);
+			in(LDF, rFIRST(fp), rDATABASE, fFIRST(fp));
+			POP_GPR(fp);
+		} else {
+			in(LDUW, rFIRST(fp), rDATABASE, rFIRST(fp));
+		}
+		break;
+	case OP_LOAD2:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rFIRST(fp), rDATAMASK, rFIRST(fp));
+		in(LDUH, rFIRST(fp), rDATABASE, rFIRST(fp));
+		break;
+	case OP_LOAD1:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rFIRST(fp), rDATAMASK, rFIRST(fp));
+		in(LDUB, rFIRST(fp), rDATABASE, rFIRST(fp));
+		break;
+	case OP_STORE4:
+		MAYBE_EMIT_CONST(fp);
+		if (sp->src1_reg_flags & REG_FLAGS_FLOAT) {
+			in(AND, rFIRST(fp), rDATAMASK, rFIRST(fp));
+			in(STF, rFIRST(fp), rDATABASE, fFIRST(fp));
+			POP_FPR(fp);
+		} else {
+			in(AND, rSECOND(fp), rDATAMASK, rSECOND(fp));
+			in(STW, rSECOND(fp), rDATABASE, rFIRST(fp));
+			POP_GPR(fp);
+		}
+		POP_GPR(fp);
+		break;
+	case OP_STORE2:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rSECOND(fp), rDATAMASK, rSECOND(fp));
+		in(STH, rSECOND(fp), rDATABASE, rFIRST(fp));
+		POP_GPR(fp);
+		POP_GPR(fp);
+		break;
+	case OP_STORE1:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rSECOND(fp), rDATAMASK, rSECOND(fp));
+		in(STB, rSECOND(fp), rDATABASE, rFIRST(fp));
+		POP_GPR(fp);
+		POP_GPR(fp);
+		break;
+	case OP_EQ:
+	case OP_NE:
+	case OP_LTI:
+	case OP_GEI:
+	case OP_GTI:
+	case OP_LEI:
+	case OP_LTU:
+	case OP_GEU:
+	case OP_GTU:
+	case OP_LEU: {
+		enum sparc_iname iname = BA;
+
+		if (fp->cached_const && SIMM13_P(fp->cached_const->arg.si)) {
+			EMIT_FALSE_CONST(fp);
+			in(SUBCCI, rSECOND(fp), fp->cached_const->arg.si, G0);
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SUBCC, rSECOND(fp), rFIRST(fp), G0);
+		}
+		switch(sp->op) {
+		case OP_EQ: iname = BE; break;
+		case OP_NE: iname = BNE; break;
+		case OP_LTI: iname = BL; break;
+		case OP_GEI: iname = BGE; break;
+		case OP_GTI: iname = BG; break;
+		case OP_LEI: iname = BLE; break;
+		case OP_LTU: iname = BCS; break;
+		case OP_GEU: iname = BCC; break;
+		case OP_GTU: iname = BGU; break;
+		case OP_LEU: iname = BLEU; break;
+		}
+		emit_jump(fp, iname, sp->arg.i);
+		POP_GPR(fp);
+		POP_GPR(fp);
+		break;
+	}
+
+	case OP_SEX8:
+		MAYBE_EMIT_CONST(fp);
+		in(SLLI, rFIRST(fp), 24, rFIRST(fp));
+		in(SRAI, rFIRST(fp), 24, rFIRST(fp));
+		break;
+	case OP_SEX16:
+		MAYBE_EMIT_CONST(fp);
+		in(SLLI, rFIRST(fp), 16, rFIRST(fp));
+		in(SRAI, rFIRST(fp), 16, rFIRST(fp));
+		break;
+	case OP_NEGI:
+		MAYBE_EMIT_CONST(fp);
+		in(SUB, G0, rFIRST(fp), rFIRST(fp));
+		break;
+	case OP_ADD:
+		if (fp->cached_const && SIMM13_P(fp->cached_const->arg.si)) {
+			EMIT_FALSE_CONST(fp);
+			in(ADDI, rSECOND(fp), fp->cached_const->arg.si, rSECOND(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(ADD, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		}
+		POP_GPR(fp);
+		break;
+	case OP_SUB:
+		if (fp->cached_const && SIMM13_P(fp->cached_const->arg.si)) {
+			EMIT_FALSE_CONST(fp);
+			in(SUBI, rSECOND(fp), fp->cached_const->arg.si, rSECOND(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SUB, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		}
+		POP_GPR(fp);
+		break;
+	case OP_DIVI:
+		MAYBE_EMIT_CONST(fp);
+		in(SRAI, rSECOND(fp), 31, rTMP);
+		in(WRI, rTMP, 0, Y_REG);
+		in(SDIV, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_DIVU:
+		MAYBE_EMIT_CONST(fp);
+		in(WRI, G0, 0, Y_REG);
+		in(UDIV, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_MODI:
+		MAYBE_EMIT_CONST(fp);
+		in(SRAI, rSECOND(fp), 31, rTMP);
+		in(WRI, rTMP, 0, Y_REG);
+		in(SDIV, rSECOND(fp), rFIRST(fp), rTMP);
+		in(SMUL, rTMP, rFIRST(fp), rTMP);
+		in(SUB, rSECOND(fp), rTMP, rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_MODU:
+		MAYBE_EMIT_CONST(fp);
+		in(WRI, G0, 0, Y_REG);
+		in(UDIV, rSECOND(fp), rFIRST(fp), rTMP);
+		in(SMUL, rTMP, rFIRST(fp), rTMP);
+		in(SUB, rSECOND(fp), rTMP, rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_MULI:
+		MAYBE_EMIT_CONST(fp);
+		in(SMUL, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_MULU:
+		MAYBE_EMIT_CONST(fp);
+		in(UMUL, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_BAND:
+		MAYBE_EMIT_CONST(fp);
+		in(AND, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_BOR:
+		MAYBE_EMIT_CONST(fp);
+		in(OR, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_BXOR:
+		MAYBE_EMIT_CONST(fp);
+		in(XOR, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		POP_GPR(fp);
+		break;
+	case OP_BCOM:
+		MAYBE_EMIT_CONST(fp);
+		in(XNOR, rFIRST(fp), G0, rFIRST(fp));
+		break;
+	case OP_LSH:
+		if (fp->cached_const) {
+			EMIT_FALSE_CONST(fp);
+			in(SLLI, rSECOND(fp), fp->cached_const->arg.si, rSECOND(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SLL, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		}
+		POP_GPR(fp);
+		break;
+	case OP_RSHI:
+		if (fp->cached_const) {
+			EMIT_FALSE_CONST(fp);
+			in(SRAI, rSECOND(fp), fp->cached_const->arg.si, rSECOND(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SRA, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		}
+		POP_GPR(fp);
+		break;
+	case OP_RSHU:
+		if (fp->cached_const) {
+			EMIT_FALSE_CONST(fp);
+			in(SRLI, rSECOND(fp), fp->cached_const->arg.si, rSECOND(fp));
+		} else {
+			MAYBE_EMIT_CONST(fp);
+			in(SRL, rSECOND(fp), rFIRST(fp), rSECOND(fp));
+		}
+		POP_GPR(fp);
+		break;
+
+	case OP_NEGF:
+		MAYBE_EMIT_CONST(fp);
+		in(FNEG, fFIRST(fp), fFIRST(fp));
+		break;
+	case OP_ADDF:
+		MAYBE_EMIT_CONST(fp);
+		in(FADD, fSECOND(fp), fFIRST(fp), fSECOND(fp));
+		POP_FPR(fp);
+		break;
+	case OP_SUBF:
+		MAYBE_EMIT_CONST(fp);
+		in(FSUB, fSECOND(fp), fFIRST(fp), fSECOND(fp));
+		POP_FPR(fp);
+		break;
+	case OP_DIVF:
+		MAYBE_EMIT_CONST(fp);
+		in(FDIV, fSECOND(fp), fFIRST(fp), fSECOND(fp));
+		POP_FPR(fp);
+		break;
+	case OP_MULF:
+		MAYBE_EMIT_CONST(fp);
+		in(FMUL, fSECOND(fp), fFIRST(fp), fSECOND(fp));
+		POP_FPR(fp);
+		break;
+
+	case OP_EQF:
+	case OP_NEF:
+	case OP_LTF:
+	case OP_GEF:
+	case OP_GTF:
+	case OP_LEF: {
+		enum sparc_iname iname = FBE;
+
+		MAYBE_EMIT_CONST(fp);
+		in(FCMP, fSECOND(fp), fFIRST(fp));
+		switch(sp->op) {
+		case OP_EQF: iname = FBE; break;
+		case OP_NEF: iname = FBNE; break;
+		case OP_LTF: iname = FBL; break;
+		case OP_GEF: iname = FBGE; break;
+		case OP_GTF: iname = FBG; break;
+		case OP_LEF: iname = FBLE; break;
+		}
+		emit_jump(fp, iname, sp->arg.i);
+		POP_FPR(fp);
+		POP_FPR(fp);
+		break;
+	}
+	case OP_CVIF:
+		MAYBE_EMIT_CONST(fp);
+		PUSH_FPR(fp);
+		in(STWI, O6, SL(64, 128), rFIRST(fp));
+		in(LDFI, O6, SL(64, 128), fFIRST(fp));
+		in(FITOS, fFIRST(fp), fFIRST(fp));
+		POP_GPR(fp);
+		break;
+	case OP_CVFI:
+		MAYBE_EMIT_CONST(fp);
+		PUSH_GPR(fp);
+		in(FSTOI, fFIRST(fp), fFIRST(fp));
+		in(STFI, O6, SL(64, 128), fFIRST(fp));
+		in(LDUWI, O6, SL(64, 128), rFIRST(fp));
+		POP_FPR(fp);
+		break;
+	}
+	if (sp->op != OP_CONST) {
+		fp->cached_const = NULL;
+		end_emit(fp);
+	} else {
+		fp->cached_const = sp;
+		if (sp->dst_reg_flags & REG_FLAGS_FLOAT) {
+			PUSH_FPR(fp);
+		} else {
+			PUSH_GPR(fp);
+		}
+	}
+	end_emit(fp);
+}
+
+static void free_source_insns(struct func_info * const fp)
+{
+	struct src_insn *sp = fp->first->next;
+
+	while (sp) {
+		struct src_insn *next = sp->next;
+		Z_Free(sp);
+		sp = next;
+	}
+}
+
+static void compile_function(struct func_info * const fp)
+{
+	struct src_insn *sp;
+
+	analyze_function(fp);
+
+	fp->gpr_pos = L0;
+	fp->fpr_pos = F0;
+	fp->insn_index = 0;
+
+	fp->stack_space = SL(64, 128);
+	fp->cached_const = NULL;
+
+	sp = fp->first;
+	while ((sp = sp->next) != NULL)
+		compile_one_insn(fp, sp);
+
+	free_source_insns(fp);
+}
+
+/* We have two thunks for sparc.  The first is for the entry into
+ * the VM, where setup the fixed global registers.  The second is
+ * for calling out to C code from the VM, where we need to preserve
+ * those fixed globals across the call.
+ */
+static void emit_vm_thunk(struct func_info * const fp)
+{
+	/* int vm_thunk(void *vmdata, int programstack, void *database, int datamask) */
+	start_emit(fp, THUNK_ICOUNT);
+
+	in(OR, G0, O0, rVMDATA);
+	in(OR, G0, O1, rPSTACK);
+	in(OR, G0, O2, rDATABASE);
+	in(BA, +4*17);
+	in(OR, G0, O3, rDATAMASK);
+
+	/* int call_thunk(int arg0, int arg1, int arg2, int (*func)(int int int)) */
+#define CALL_THUNK_INSN_OFFSET		5
+	in(SAVEI, O6, -SL(64, 128), O6);
+
+	in(OR, G0, rVMDATA, L0);
+	in(OR, G0, rPSTACK, L1);
+	in(OR, G0, rDATABASE, L2);
+	in(OR, G0, rDATAMASK, L3);
+
+	in(OR, G0, I0, O0);
+	in(OR, G0, I1, O1);
+	in(JMPL, I3, G0, O7);
+	in(OR, G0, I2, O2);
+
+	in(OR, G0, L0, rVMDATA);
+	in(OR, G0, L1, rPSTACK);
+	in(OR, G0, L2, rDATABASE);
+	in(OR, G0, L3, rDATAMASK);
+
+	in(JMPLI, I7, 8, G0);
+	in(RESTORE, O0, G0, O0);
+
+	end_emit(fp);
+}
+
+static void sparc_compute_code(vm_t *vm, struct func_info * const fp)
+{
+	struct dst_insn *dp = fp->dst_first;
+	unsigned int *code_now, *code_begin;
+	unsigned char *data_and_code;
+	unsigned int code_length;
+	int code_insns = 0, off;
+	struct data_hunk *dhp;
+	struct jump_insn *jp;
+	vm_data_t *data;
+
+	while (dp) {
+		code_insns += dp->length;
+		dp = dp->next;
+	}
+
+	code_length = (sizeof(vm_data_t) +
+		       (fp->data_num * sizeof(unsigned int)) +
+		       (code_insns * sizeof(unsigned int)));
+
+	data_and_code = mmap(NULL, code_length, PROT_READ | PROT_WRITE,
+			     MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+	if (!data_and_code)
+		DIE("Not enough memory");
+
+	code_now = code_begin = (unsigned int *)
+		(data_and_code + VM_Data_Offset(data[fp->data_num]));
+
+	dp = fp->dst_first;
+	while (dp) {
+		int i_count = dp->i_count;
+
+		if (i_count != THUNK_ICOUNT) {
+			if (!fp->dst_by_i_count[i_count])
+				fp->dst_by_i_count[i_count] = (void *) code_now;
+		}
+		if (!dp->jump) {
+			memcpy(code_now, &dp->code[0], dp->length * sizeof(unsigned int));
+			code_now += dp->length;
+		} else {
+			int i;
+
+			dp->jump->parent = (void *) code_now;
+
+			for (i = 0; i < dp->length; i++)
+				code_now[i] = SPARC_NOP;
+			code_now += dp->length;
+		}
+
+		dp = dp->next;
+	}
+
+	jp = fp->jump_first;
+	while (jp) {
+		unsigned int *from = (void *) jp->parent;
+		unsigned int *to = (void *) fp->dst_by_i_count[jp->jump_dest_insn];
+		signed int disp = (to - from);
+
+		*from = IN(jp->jump_iname, disp << 2);
+
+		jp = jp->next;
+	}
+
+	vm->codeBase = data_and_code;
+	vm->codeLength = code_length;
+
+	data = (vm_data_t *) data_and_code;
+	data->CallThunk = code_begin + CALL_THUNK_INSN_OFFSET;
+	data->AsmCall = asmcall;
+	data->BlockCopy = blockcopy;
+	data->iPointers = (unsigned int *) vm->instructionPointers;
+	data->dataLength = VM_Data_Offset(data[fp->data_num]);
+	data->codeLength = (code_now - code_begin) * sizeof(unsigned int);
+
+#if 0
+	{
+		unsigned int *insn = code_begin;
+		int i;
+
+		Com_Printf("INSN DUMP\n");
+		for (i = 0; i < data->codeLength / 4; i+= 8) {
+			Com_Printf("\t.word\t0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
+				   insn[i + 0], insn[i + 1],
+				   insn[i + 2], insn[i + 3],
+				   insn[i + 4], insn[i + 5],
+				   insn[i + 6], insn[i + 7]);
+		}
+	}
+#endif
+
+	dhp = fp->data_first;
+	off = 0;
+	while (dhp) {
+		struct data_hunk *next = dhp->next;
+		int i;
+
+		for (i = 0; i < dhp->count; i++)
+			data->data[off + i] = dhp->data[i];
+
+		off += dhp->count;
+
+		Z_Free(dhp);
+
+		dhp = next;
+	}
+	fp->data_first = NULL;
+	fp->data_num = 0;
+
+	dp = fp->dst_first;
+	while (dp) {
+		struct dst_insn *next = dp->next;
+		if (dp->jump)
+			Z_Free(dp->jump);
+		Z_Free(dp);
+		dp = next;
+	}
+	fp->dst_first = fp->dst_last = NULL;
+}
+
+void VM_Compile(vm_t *vm, vmHeader_t *header)
+{
+	struct func_info fi;
+	unsigned char *code;
+	int i_count, pc, i;
+
+	memset(&fi, 0, sizeof(fi));
+
+	fi.first = Z_Malloc(sizeof(struct src_insn));
+	fi.first->next = NULL;
+
+#ifdef __arch64__
+	Z_Free(vm->instructionPointers);
+	vm->instructionPointers = Z_Malloc(header->instructionCount *
+					   sizeof(void *));
+#endif
+
+	fi.dst_by_i_count = (struct dst_insn **) vm->instructionPointers;
+	memset(fi.dst_by_i_count, 0, header->instructionCount * sizeof(void *));
+
+	vm->compiled = qfalse;
+
+	emit_vm_thunk(&fi);
+
+	code = (unsigned char *) header + header->codeOffset;
+	pc = 0;
+
+	for (i_count = 0; i_count < header->instructionCount; i_count++) {
+		unsigned char opi, op = code[pc++];
+		struct src_insn *sp;
+
+		if (op == OP_CALL || op == OP_BLOCK_COPY)
+			fi.has_call = 1;
+		opi = vm_opInfo[op];
+		if (op == OP_CVIF || op == OP_CVFI ||
+		    (op == OP_LEAVE && (opi & opArgF)))
+			fi.need_float_tmp = 1;
+
+		if (op == OP_ENTER) {
+			if (fi.first->next)
+				compile_function(&fi);
+			fi.first->next = NULL;
+			fi.last = fi.first;
+			fi.has_call = fi.need_float_tmp = 0;
+		}
+
+		sp = Z_Malloc(sizeof(*sp));
+		sp->op = op;
+		sp->i_count = i_count;
+		sp->arg.i = 0;
+		sp->next = NULL;
+
+		if (vm_opInfo[op] & opImm4) {
+			union {
+				unsigned char b[4];
+				unsigned int i;
+			} c = { { code[ pc + 3 ], code[ pc + 2 ],
+				  code[ pc + 1 ], code[ pc + 0 ] }, };
+
+			sp->arg.i = c.i;
+			pc += 4;
+		} else if (vm_opInfo[op] & opImm1) {
+			sp->arg.b = code[pc++];
+		}
+
+		fi.last->next = sp;
+		fi.last = sp;
+	}
+	compile_function(&fi);
+
+	Z_Free(fi.first);
+
+	memset(fi.dst_by_i_count, 0, header->instructionCount * sizeof(void *));
+	sparc_compute_code(vm, &fi);
+
+	for (i = 0; i < header->instructionCount; i++) {
+		if (!fi.dst_by_i_count[i]) {
+			Com_Printf(S_COLOR_RED "Pointer %d not initialized !\n", i);
+			DIE("sparc JIT bug");
+		}
+	}
+
+	if (mprotect(vm->codeBase, vm->codeLength, PROT_READ|PROT_EXEC)) {
+		VM_Destroy_Compiled(vm);
+		DIE("mprotect failed");
+	}
+
+	vm->destroy = VM_Destroy_Compiled;
+	vm->compiled = qtrue;
+}
+
+int VM_CallCompiled(vm_t *vm, int *args)
+{
+	vm_data_t *vm_dataAndCode = (void *) vm->codeBase;
+	int programStack = vm->programStack;
+	int stackOnEntry = programStack;
+	byte *image = vm->dataBase;
+	int *argPointer;
+	int retVal;
+
+	currentVM = vm;
+
+	vm->currentlyInterpreting = qtrue;
+
+	programStack -= 48;
+	argPointer = (int *)&image[ programStack + 8 ];
+	memcpy( argPointer, args, 4 * 9 );
+	argPointer[-1] = 0;
+	argPointer[-2] = -1;
+
+	/* call generated code */
+	{
+		int (*entry)(void *, int, void *, int);
+		entry = (void *)(vm->codeBase + vm_dataAndCode->dataLength);
+		retVal = entry(vm->codeBase, programStack, vm->dataBase, vm->dataMask);
+	}
+
+	vm->programStack = stackOnEntry;
+	vm->currentlyInterpreting = qfalse;
+
+	return retVal;
+}
diff --git a/src/qcommon/vm_sparc.h b/src/qcommon/vm_sparc.h
new file mode 100644
index 00000000..dbed6278
--- /dev/null
+++ b/src/qcommon/vm_sparc.h
@@ -0,0 +1,78 @@
+#ifndef VM_SPARC_H
+#define VM_SPARC_H
+
+/* integer regs */
+#define G0	0
+#define G1	1
+#define G2	2
+#define G3	3
+#define G4	4
+#define G5	5
+#define G6	6
+#define G7	7
+#define O0	8
+#define O1	9
+#define O2	10
+#define O3	11
+#define O4	12
+#define O5	13
+#define O6	14
+#define O7	15
+#define L0	16
+#define L1	17
+#define L2	18
+#define L3	19
+#define L4	20
+#define L5	21
+#define L6	22
+#define L7	23
+#define I0	24
+#define I1	25
+#define I2	26
+#define I3	27
+#define I4	28
+#define I5	29
+#define I6	30
+#define I7	31
+
+/* float regs */
+#define F0	0
+#define F1	1
+#define F2	2
+#define F3	3
+#define F4	4
+#define F5	5
+#define F6	6
+#define F7	7
+#define F8	8
+#define F9	9
+#define F10	10
+#define F11	11
+#define F12	12
+#define F13	13
+#define F14	14
+#define F15	15
+#define F16	16
+#define F17	17
+#define F18	18
+#define F19	19
+#define F20	20
+#define F21	21
+#define F22	22
+#define F23	23
+#define F24	24
+#define F25	25
+#define F26	26
+#define F27	27
+#define F28	28
+#define F29	29
+#define F30	30
+#define F31	31
+
+/* state registers */
+#define Y_REG		0
+#define CCR_REG		2
+#define ASI_REG		3
+#define FPRS_REG	6
+
+#endif
diff --git a/src/qcommon/vm_x86.c b/src/qcommon/vm_x86.c
index 64af7d11..0f558ef7 100644
--- a/src/qcommon/vm_x86.c
+++ b/src/qcommon/vm_x86.c
@@ -177,9 +177,14 @@ _asm {
 #else //!_MSC_VER
 
 #if defined(__MINGW32__) || defined(MACOS_X) // _ is prepended to compiled symbols
-#	define CMANG(sym) "_"#sym
+#define CMANGVAR(sym) "_"#sym
+#define CMANGFUNC(sym) "_"#sym
+#elif defined(__ICC) && (__ICC >= 1000)
+#define CMANGVAR(sym) #sym".0"
+#define CMANGFUNC(sym) #sym
 #else
-#	define CMANG(sym) #sym
+#define CMANGVAR(sym) #sym
+#define CMANGFUNC(sym) #sym
 #endif
 
 static void __attribute__((cdecl, used)) CallAsmCall(int const syscallNum,
@@ -200,32 +205,37 @@ __asm__(
 	".text\n\t"
 	".p2align 4,,15\n\t"
 #if defined __ELF__
-	".type " CMANG(AsmCall) ", @function\n"
+	".type " CMANGFUNC(AsmCall) ", @function\n"
 #endif
-	CMANG(AsmCall) ":\n\t"
+	CMANGFUNC(AsmCall) ":\n\t"
 	"movl  (%edi), %eax\n\t"
 	"subl  $4, %edi\n\t"
 	"testl %eax, %eax\n\t"
 	"jl    0f\n\t"
 	"shll  $2, %eax\n\t"
-	"addl  " CMANG(instructionPointers) ", %eax\n\t"
+	"addl  " CMANGVAR(instructionPointers) ", %eax\n\t"
 	"call  *(%eax)\n\t"
 	"movl  (%edi), %eax\n\t"
-	"andl  " CMANG(callMask) ", %eax\n\t"
+	"andl  " CMANGVAR(callMask) ", %eax\n\t"
 	"ret\n"
 	"0:\n\t" // system call
 	"notl  %eax\n\t"
+	"pushl %ebp\n\t"
+	"movl  %esp, %ebp\n\t"
+	"andl $-16, %esp\n\t" // align the stack so engine can use sse
 	"pushl %ecx\n\t"
 	"pushl %edi\n\t" // opStack
 	"pushl %esi\n\t" // programStack
 	"pushl %eax\n\t" // syscallNum
-	"call  " CMANG(CallAsmCall) "\n\t"
+	"call  " CMANGFUNC(CallAsmCall) "\n\t"
 	"addl  $12, %esp\n\t"
 	"popl  %ecx\n\t"
+	"movl  %ebp, %esp\n\t"
+	"popl  %ebp\n\t"
 	"addl  $4, %edi\n\t"
 	"ret\n\t"
 #if defined __ELF__
-	".size " CMANG(AsmCall)", .-" CMANG(AsmCall)
+	".size " CMANGFUNC(AsmCall)", .-" CMANGFUNC(AsmCall)
 #endif
 );
 
diff --git a/src/qcommon/vm_x86_64.c b/src/qcommon/vm_x86_64.c
index 09a9c6d1..b424baf8 100644
--- a/src/qcommon/vm_x86_64.c
+++ b/src/qcommon/vm_x86_64.c
@@ -247,7 +247,7 @@ void emit(const char* fmt, ...)
 #else
 #define JMPIARG \
 	emit("movq $%lu, %%rax", vm->codeBase+vm->instructionPointers[iarg]); \
-	emit("jmpq *%rax");
+	emit("jmpq *%%rax");
 #endif
  
 // integer compare and jump