[patch] TSC assembly fix for SDLcam 0.7.3

sdlcam-tsc-fix.patch (text/plain), 1.13 KB, created by Tobias Klausmann (RETIRED) on 2005-10-13 09:19:46 UTC

--- misc.c.orig	2005-10-08 11:44:32.000000000 +0200
+++ misc.c	2005-10-08 11:46:13.000000000 +0200
@@ -25,6 +25,11 @@
 #include "dyn_misc.h"
 #include "misc.h"
 
+#define rdtsc(low,high) \
+     __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
+
+
+
 char *xStrdup (const char *t) {{{
   char *ret;
   ret = strdup (t);
@@ -42,18 +47,9 @@
 
 void getTimeStampCounter ( TimeStampCounter *t ) {{{
 #ifdef TIMER	
-	unsigned int h=t->high;
-	unsigned int l=t->low ;
-	asm (	
-		"push %%eax	\n"
-		"push %%edx	\n"
-		"rdtsc		\n"
-		"movl %%eax,%1	\n"
-		"movl %%edx,%0	\n"
-		"pop  %%edx	\n"
-		"pop  %%edx	\n"
-		: "=m" (h) , "=m" (l)
-	    );
+	unsigned long h=t->high;
+	unsigned long l=t->low ;
+	rdtsc(l,h);
 	t->high = h;
 	t->low  = l;
 #else	
--- misc.h.orig	2005-10-08 13:52:05.000000000 +0200
+++ misc.h	2005-10-08 13:52:18.000000000 +0200
@@ -24,7 +24,7 @@
 
 char *xStrdup (const char *t);
 
-typedef struct { unsigned int high, low; } TimeStampCounter;
+typedef struct { unsigned long high, low; } TimeStampCounter;
 void getTimeStampCounter ( TimeStampCounter *t );
 void Start_Timer (unsigned int idx);
 void Ende_Timer  (unsigned int idx);