Implemented new syscalls for 32 and 64 bit atomic operations.

They are only used if the architecture doesn't support them directly.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4360 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/arch/ppc/arch_cpu.h

@@ -12,6 +12,8 @@
 #define _BIG_ENDIAN 1
 #define _LITTLE_ENDIAN 0
 
+#define ATOMIC64_FUNCS_ARE_SYSCALLS 1
+
 struct iframe {
 };
 

headers/private/kernel/arch/sh4/arch_cpu.h

@@ -1,6 +1,6 @@
 /*
 ** Copyright 2003, Marcus Overhagen. All rights reserved.
-** Distributed under the terms of the NewOS License.
+** Distributed under the terms of the OpenBeOS license.
 */
 #ifndef _KERNEL_ARCH_CPU_H
 #define _KERNEL_ARCH_CPU_H

headers/private/kernel/arch/sh4/atomic.h

@@ -1,65 +0,0 @@
-#ifndef _KERNEL_ATOMIC_H
-#define _KERNEL_ATOMIC_H
-
-#include <ktypes.h>
-
-/**
- * @file kernel/atomic.h
- * @brief Prototypes for kernel and user versions of atomic
- *  functions.
- */
-
-/**
- * @defgroup Kernel_Atomic Atomic Operations
- * @ingroup OpenBeOS_Kernel
- * @{
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif 
-
-/* atomic_add(), atomic_and(), atomic_or() must 
- * match the definitions in SupportDefs.h
- */
-
-/**
- * Atomic add (user version)
- * @param val Pointer to an integer
- * @param incr The increment to add (may be -ve)
- * @note Returns value of val before addition
- */
-int32 user_atomic_add(vint32 *val, int32 incr);
-
-/**
- * Atomic and (user version)
- * @param val Pointer to an integer
- * @param incr The increment to add (may be -ve)
- * @note Returns value of val before addition
- */
-int32 user_atomic_and(vint32 *val, int32 incr);
-
-/**
- * Atomic or (user version)
- * @param val Pointer to an integer
- * @param incr The increment to add (may be -ve)
- * @note Returns value of val before addition
- */
-int32 user_atomic_or(vint32 *val, int32 incr);
-
-int32 user_atomic_set(vint32 *val, int32 set_to);
-
-/* Compare the value of val with test_val. If they
- * are equal then set the value of 'val' to
- * 'set_to'
- * @note This is the user version and should not be used within
- *       the kernel.
- */
-int32 user_atomic_test_and_set(vint32 *val, int32 set_to, int32 test_val);
-
-#ifdef __cplusplus
-}
-#endif 
-/** @} */
-
-#endif /* _KERNEL_ATOMIC_H */