Cleanup headers

[urcu.git] / arch_ppc.h

diff --git a/arch_ppc.h b/arch_ppc.h
deleted file mode 100644 (file)
index 9c4ec91..0000000
--- a/arch_ppc.h
+++ /dev/null
@@ -1,119 +0,0 @@
-#ifndef _ARCH_PPC_H
-#define _ARCH_PPC_H
-
-/*
- * arch_ppc.h: trivial definitions for the powerpc architecture.
- *
- * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
- * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
-*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <compiler.h>
-#include <arch_atomic.h>
-
-#define CONFIG_HAVE_FENCE 1
-#define CONFIG_HAVE_MEM_COHERENCY
-
-#ifndef BITS_PER_LONG
-#define BITS_PER_LONG  (__SIZEOF_LONG__ * 8)
-#endif
-
-#define mb()    asm volatile("sync":::"memory")
-#define rmb()   asm volatile("sync":::"memory")
-#define wmb()   asm volatile("sync"::: "memory")
-
-/*
- * Architectures without cache coherency need something like the following:
- *
- * #define mb()                mc()
- * #define rmb()       rmc()
- * #define wmb()       wmc()
- * #define mc()                arch_cache_flush()
- * #define rmc()       arch_cache_flush_read()
- * #define wmc()       arch_cache_flush_write()
- */
-
-#define mc()   barrier()
-#define rmc()  barrier()
-#define wmc()  barrier()
-
-/* Assume SMP machine, given we don't have this information */
-#define CONFIG_SMP 1
-
-#ifdef CONFIG_SMP
-#define smp_mb()       mb()
-#define smp_rmb()      rmb()
-#define smp_wmb()      wmb()
-#define smp_mc()       mc()
-#define smp_rmc()      rmc()
-#define smp_wmc()      wmc()
-#else
-#define smp_mb()       barrier()
-#define smp_rmb()      barrier()
-#define smp_wmb()      barrier()
-#define smp_mc()       barrier()
-#define smp_rmc()      barrier()
-#define smp_wmc()      barrier()
-#endif
-
-/* Nop everywhere except on alpha. */
-#define smp_read_barrier_depends()
-
-static inline void cpu_relax(void)
-{
-       barrier();
-}
-
-/*
- * Serialize core instruction execution. Also acts as a compiler barrier.
- */
-static inline void sync_core()
-{
-       asm volatile("isync" : : : "memory");
-}
-
-#define mftbl()                                                \
-       ({                                              \
-               unsigned long rval;                     \
-               asm volatile("mftbl %0" : "=r" (rval)); \
-               rval;                                   \
-       })
-
-#define mftbu()                                                \
-       ({                                              \
-               unsigned long rval;                     \
-               asm volatile("mftbu %0" : "=r" (rval)); \
-               rval;                                   \
-       })
-
-typedef unsigned long long cycles_t;
-
-static inline cycles_t get_cycles (void)
-{
-       long h, l;
-
-       for (;;) {
-               h = mftbu();
-               barrier();
-               l = mftbl();
-               barrier();
-               if (mftbu() == h)
-                       return (((cycles_t) h) << 32) + l;
-       }
-}
-
-#endif /* _ARCH_PPC_H */