+ diff -u linux/examples/measurement/irq_jitter.c.ORIG linux/examples/measurement/irq_jitter.c
--- linux/examples/measurement/irq_jitter.c.ORIG	Sun Feb 29 19:31:34 2004
+++ linux/examples/measurement/irq_jitter.c	Fri Jun  4 00:38:28 2004
@@ -46,8 +46,22 @@
 #if defined(CONFIG_X86) && defined(CONFIG_X86_TSC)
 #include <asm/msr.h> /* rdtscll - ia32 specific */
 #define hwtimer(x) rdtscll(x)
+#elif defined(CONFIG_PPC)
+#include <asm/time.h>
+static inline void ppc_timebase(long long *x)
+{
+    unsigned long tbl, tbu1, tbu2;
+    do 
+	{
+	tbu1 = get_tbu();
+	tbl  = get_tbl();
+	tbu2 = get_tbu();	
+	} while (tbu1 != tbu2);
+    *x = (long long)tbl + ((long long)tbu1 << 32);
+}
+#define hwtimer(x) ppc_timebase(&(x))
 #else
-	#error "Only X86 supported for now"
+	#error "Only X86 and PPC supported for now"
 #endif
 
 
@@ -88,7 +102,8 @@
 			     IPIPE_DYNAMIC_MASK);
 	}
 
-    scaller = cpu_khz/1000;
+    /* might be incorrect due to rounding effects */
+    scaller = (unsigned long)sys_info.cpufreq / 1000000;
     period = (1000/HZ)*1000;
     printk("scaller set to %ld\n",(unsigned long) scaller);
     printk("period set to %ld\n",(long) period);
+ diff -u linux/examples/measurement/Makefile.ORIG linux/examples/measurement/Makefile
--- linux/examples/measurement/Makefile.ORIG	Sun Feb 29 19:31:34 2004
+++ linux/examples/measurement/Makefile	Fri Jun  4 00:00:56 2004
@@ -3,21 +3,35 @@
 # Environment" feature in the general setup when configuring this
 # kernel.
 
+ifndef LINUXSRC
 LINUXSRC = /usr/src/linux
-ARCH = i686
+endif
+
+DEBUG	= -g -ggdb
+DEFINES = -D__KERNEL__ -DMODULE $(DEBUG)
 
-DEFINES = -D__KERNEL__  -DMODULE -DEXPORT_SYMTAB
+include $(LINUXSRC)/.config
+
+ifdef CONFIG_PPC
+CFLAGS = $(DEFINES) -O2 -Wall -Wstrict-prototypes -Wno-trigraphs \
+         -fno-strict-aliasing -fno-common -fomit-frame-pointer \
+	 -fsigned-char -msoft-float -pipe -ffixed-r2 \
+	 -Wno-uninitialized -mmultiple -mstring \
+	-I$(LINUXSRC)/include -I$(LINUXSRC)/arch/ppc
+else
+ARCH = i686
 CFLAGS = $(DEFINES) -I$(LINUXSRC)/include -Wall -Wstrict-prototypes \
 	-Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing \
 	-fno-common -mpreferred-stack-boundary=2 -march=${ARCH}
+endif
 
 all: irq_jitter.o virtual_irq_jitter.o
 
 virtual_irq_jitter.o: virtual_irq_jitter.c
-	gcc $(CFLAGS) -o $@ -c $<
+	$(CROSS_COMPILE)gcc $(CFLAGS) -o $@ -c $<
 
 irq_jitter.o: irq_jitter.c
-	gcc $(CFLAGS) -o $@ -c $<
+	$(CROSS_COMPILE)gcc $(CFLAGS) -o $@ -c $<
 
 clean:
 	rm -f *.o
+ diff -u linux/examples/measurement/virtual_irq_jitter.c.ORIG linux/examples/measurement/virtual_irq_jitter.c
--- linux/examples/measurement/virtual_irq_jitter.c.ORIG	Fri Jun  4 00:24:42 2004
+++ linux/examples/measurement/virtual_irq_jitter.c	Fri Jun  4 01:04:49 2004
@@ -134,9 +134,13 @@
         unsigned int a1, a2;
         unsigned long long res;
 
+#ifdef __LITTLE_ENDIAN
         a1 = ((unsigned int*)&a)[0];
         a2 = ((unsigned int*)&a)[1];
-
+#else
+        a1 = ((unsigned int*)&a)[1];
+        a2 = ((unsigned int*)&a)[0];
+#endif
         res = a1/b0 +
                 (unsigned long long)a2 * (unsigned long long)(0xffffffff/b0) +
                 a2 / b0 +
+ diff -u linux/examples/simple/Makefile.ORIG linux/examples/simple/Makefile
--- linux/examples/simple/Makefile.ORIG	Sun Feb 29 19:31:33 2004
+++ linux/examples/simple/Makefile	Fri Jun  4 00:01:24 2004
@@ -3,23 +3,38 @@
 # Environment" feature in the general setup when configuring this
 # kernel.
 
+ifndef LINUXSRC
 LINUXSRC = /usr/src/linux
+endif
 
-DEFINES = -D__KERNEL__  -DMODULE -DEXPORT_SYMTAB
-CFLAGS = $(DEFINES) -I$(LINUXSRC)/include -Wall -Wstrict-prototypes -Wno-trigraphs \
-        -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common \
-        -mpreferred-stack-boundary=2 -march=i686
+DEBUG	= -g -ggdb
+DEFINES = -D__KERNEL__ -DMODULE $(DEBUG)
+
+include $(LINUXSRC)/.config
+
+ifdef CONFIG_PPC
+CFLAGS = $(DEFINES) -O2 -Wall -Wstrict-prototypes -Wno-trigraphs \
+         -fno-strict-aliasing -fno-common -fomit-frame-pointer \
+	 -fsigned-char -msoft-float -pipe -ffixed-r2 \
+	 -Wno-uninitialized -mmultiple -mstring \
+	-I$(LINUXSRC)/include -I$(LINUXSRC)/arch/ppc
+else
+ARCH = i686
+CFLAGS = $(DEFINES) -I$(LINUXSRC)/include -Wall -Wstrict-prototypes \
+	-Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing \
+	-fno-common -mpreferred-stack-boundary=2 -march=${ARCH}
+endif
 
 all: adtest.o interdomain_irq.o interdomain_mutex.o
 
 adtest.o: adtest.c
-	gcc $(CFLAGS) -o $@ -c $<
+	$(CROSS_COMPILE)gcc $(CFLAGS) -o $@ -c $<
 
 interdomain_irq.o: interdomain_irq.c
-	gcc $(CFLAGS) -o $@ -c $<
+	$(CROSS_COMPILE)gcc $(CFLAGS) -o $@ -c $<
 
 interdomain_mutex.o: interdomain_mutex.c
-	gcc $(CFLAGS) -o $@ -c $<
+	$(CROSS_COMPILE)gcc $(CFLAGS) -o $@ -c $<
 
 clean:
 	rm -f *.o