+++ /dev/null
-#ifndef _ARCH_S390_H
-#define _ARCH_S390_H
-
-/*
- * Trivial definitions for the S390 architecture based on information from the
- * Principles of Operation "CPU Serialization" (5-91), "BRANCH ON CONDITION"
- * (7-25) and "STORE CLOCK" (7-169).
- *
- * Copyright (c) 2009 Novell, Inc.
- * Author: Jan Blunck <jblunck@suse.de>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include <compiler.h>
-#include <arch_atomic.h>
-
-#define CONFIG_HAVE_MEM_COHERENCY
-/* Assume SMP machine, given we don't have this information */
-#define CONFIG_SMP 1
-
-#ifndef BITS_PER_LONG
-#define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
-#endif
-
-#define mb() __asm__ __volatile__("bcr 15,0" : : : "memory")
-#define rmb() __asm__ __volatile__("bcr 15,0" : : : "memory");
-#define wmb() __asm__ __volatile__("bcr 15,0" : : : "memory");
-#define mc() barrier()
-#define rmc() barrier()
-#define wmc() barrier()
-
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-#define smp_mc() mc()
-#define smp_rmc() rmc()
-#define smp_wmc() wmc()
-
-/* Nop everywhere except on alpha. */
-#define smp_read_barrier_depends()
-
-static inline void cpu_relax(void)
-{
- barrier();
-}
-
-static inline void sync_core()
-{
- __asm__ __volatile__("bcr 15,0" : : : "memory");
-}
-
-typedef unsigned long long cycles_t;
-
-static inline cycles_t get_cycles (void)
-{
- cycles_t cycles;
-
- __asm__ __volatile__("stck %0" : "=m" (cycles) : : "cc", "memory" );
-
- return cycles;
-}
-
-#endif /* _ARCH_S390_H */