Cleanup: Re-organise source dir

[urcu.git] / urcu / arch / ppc.h

diff --git a/urcu/arch/ppc.h b/urcu/arch/ppc.h
deleted file mode 100644 (file)
index 791529e..0000000
--- a/urcu/arch/ppc.h
+++ /dev/null
@@ -1,125 +0,0 @@
-#ifndef _URCU_ARCH_PPC_H
-#define _URCU_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@efficios.com>
- *
- * 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 <urcu/compiler.h>
-#include <urcu/config.h>
-#include <urcu/syscall-compat.h>
-#include <stdint.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Include size of POWER5+ L3 cache lines: 256 bytes */
-#define CAA_CACHE_LINE_SIZE    256
-
-#ifdef __NO_LWSYNC__
-#define LWSYNC_OPCODE  "sync\n"
-#else
-#define LWSYNC_OPCODE  "lwsync\n"
-#endif
-
-/*
- * Use sync for all cmm_mb/rmb/wmb barriers because lwsync does not
- * preserve ordering of cacheable vs. non-cacheable accesses, so it
- * should not be used to order with respect to MMIO operations.  An
- * eieio+lwsync pair is also not enough for cmm_rmb, because it will
- * order cacheable and non-cacheable memory operations separately---i.e.
- * not the latter against the former.
- */
-#define cmm_mb()         __asm__ __volatile__ ("sync":::"memory")
-
-/*
- * lwsync orders loads in cacheable memory with respect to other loads,
- * and stores in cacheable memory with respect to other stores.
- * Therefore, use it for barriers ordering accesses to cacheable memory
- * only.
- */
-#define cmm_smp_rmb()    __asm__ __volatile__ (LWSYNC_OPCODE:::"memory")
-#define cmm_smp_wmb()    __asm__ __volatile__ (LWSYNC_OPCODE:::"memory")
-
-#define mftbl()                                                \
-       __extension__                                   \
-       ({                                              \
-               unsigned long rval;                     \
-               __asm__ __volatile__ ("mftbl %0" : "=r" (rval));        \
-               rval;                                   \
-       })
-
-#define mftbu()                                                \
-       __extension__                                   \
-       ({                                              \
-               unsigned long rval;                     \
-               __asm__ __volatile__ ("mftbu %0" : "=r" (rval));        \
-               rval;                                   \
-       })
-
-#define mftb()                                         \
-       __extension__                                   \
-       ({                                              \
-               unsigned long long rval;                \
-               __asm__ __volatile__ ("mftb %0" : "=r" (rval));         \
-               rval;                                   \
-       })
-
-#define HAS_CAA_GET_CYCLES
-
-typedef uint64_t caa_cycles_t;
-
-#ifdef __powerpc64__
-static inline caa_cycles_t caa_get_cycles(void)
-{
-       return (caa_cycles_t) mftb();
-}
-#else
-static inline caa_cycles_t caa_get_cycles(void)
-{
-       unsigned long h, l;
-
-       for (;;) {
-               h = mftbu();
-               cmm_barrier();
-               l = mftbl();
-               cmm_barrier();
-               if (mftbu() == h)
-                       return (((caa_cycles_t) h) << 32) + l;
-       }
-}
-#endif
-
-/*
- * On Linux, define the membarrier system call number if not yet available in
- * the system headers.
- */
-#if (defined(__linux__) && !defined(__NR_membarrier))
-#define __NR_membarrier                365
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#include <urcu/arch/generic.h>
-
-#endif /* _URCU_ARCH_PPC_H */