Some build fixes for ReactOS ARM. Credits go to Alex Ionescu and Timo Kreuzer while I just tried to keep up. :-P

- Undefine Unicode which is defined by default in cegcc.
- Add a missing include in ke.h
- Implement _CountLeadingZeros, _CountTrailingZeros, _BitScanForward for ARM.

svn path=/trunk/; revision=44625

reactos/ReactOS-arm.rbuild

@@ -29,6 +29,8 @@
 			<compilerflag>-ftracer</compilerflag>
 		</if>
         <compilerflag>-Wno-attributes</compilerflag>
+        <compilerflag>-U_UNICODE</compilerflag>
+        <compilerflag>-UUNICODE</compilerflag>
 	</group>
 
 

reactos/boot/freeldr/freeldr/include/arch/arm/hardware.h

@@ -67,7 +67,7 @@ FldrCreateSystemKey(
 VOID
 NTAPI
 FldrCreateComponentKey(
-    IN PCONFIGURATION_COMPONENT_DATA SystemKey,,
+    IN PCONFIGURATION_COMPONENT_DATA SystemKey,
     IN CONFIGURATION_CLASS Class,
     IN CONFIGURATION_TYPE Type,
     IN IDENTIFIER_FLAG Flags,

reactos/include/crt/mingw32/intrin_arm.h

@@ -35,6 +35,22 @@
 #define _ReturnAddress() (__builtin_return_address(0))
 #define _ReadWriteBarrier() __sync_synchronize()
 
+__INTRIN_INLINE unsigned _CountLeadingZeros(long Mask)
+{
+    return Mask ? __builtin_clz(Mask) : 32;
+}
+
+__INTRIN_INLINE unsigned _CountTrailingZeros(long Mask)
+{
+    return Mask ? __builtin_ctz(Mask) : 32;
+}
+
+__INTRIN_INLINE unsigned char _BitScanForward(unsigned long * const Index, const unsigned long Mask)
+{
+	*Index = __builtin_ctz(Mask);
+	return Mask ? 1 : 0;
+}
+
 __INTRIN_INLINE char _InterlockedCompareExchange8(volatile char * const Destination, const char Exchange, const char Comperand)
 {
 	return __sync_val_compare_and_swap(Destination, Comperand, Exchange);

reactos/ntoskrnl/include/internal/arm/ke.h

@@ -1,6 +1,8 @@
 #ifndef __NTOSKRNL_INCLUDE_INTERNAL_ARM_KE_H
 #define __NTOSKRNL_INCLUDE_INTERNAL_ARM_KE_H
 
+#include "intrin_i.h"
+
 //
 //Lockdown TLB entries
 //
@@ -38,7 +40,7 @@
 // Returns the Interrupt State from a Trap Frame.
 // ON = TRUE, OFF = FALSE
 //
-//#define KeGetTrapFrameInterruptState(TrapFrame) \
+//#define KeGetTrapFrameInterruptState(TrapFrame)
 
 //
 // Invalidates the TLB entry for a specified address