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Diffstat (limited to 'intel/intel_atomic.h')
-rw-r--r-- | intel/intel_atomic.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/intel/intel_atomic.h b/intel/intel_atomic.h deleted file mode 100644 index 12bb96bc..00000000 --- a/intel/intel_atomic.h +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright © 2009 Intel Corporation - * - * 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 (including the next - * paragraph) 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. - * - * Authors: - * Chris Wilson <chris@chris-wilson.co.uk> - * - */ - -/** - * @file intel_atomics.h - * - * Private definitions for atomic operations - */ - -#ifndef INTEL_ATOMICS_H -#define INTEL_ATOMICS_H - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#if HAVE_INTEL_ATOMIC_PRIMITIVES - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - int atomic; -} atomic_t; - -# define atomic_read(x) ((x)->atomic) -# define atomic_set(x, val) ((x)->atomic = (val)) -# define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1)) -# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1) -# define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv) - -#endif - -#if HAVE_LIB_ATOMIC_OPS -#include <atomic_ops.h> - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - AO_t atomic; -} atomic_t; - -# define atomic_read(x) AO_load_full(&(x)->atomic) -# define atomic_set(x, val) AO_store_full(&(x)->atomic, (val)) -# define atomic_inc(x) ((void) AO_fetch_and_add1_full(&(x)->atomic)) -# define atomic_dec_and_test(x) (AO_fetch_and_sub1_full(&(x)->atomic) == 1) -# define atomic_cmpxchg(x, oldv, newv) AO_compare_and_swap_full(&(x)->atomic, oldv, newv) - -#endif - -#if defined(__sun) && !defined(HAS_ATOMIC_OPS) /* Solaris & OpenSolaris */ - -#include <sys/atomic.h> -#define HAS_ATOMIC_OPS 1 - -typedef struct { uint_t atomic; } atomic_t; - -# define atomic_read(x) (int) ((x)->atomic) -# define atomic_set(x, val) ((x)->atomic = (uint_t)(val)) -# define atomic_inc(x) (atomic_inc_uint (&(x)->atomic)) -# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 1) -# define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv) - -#endif - -#if ! HAS_ATOMIC_OPS -#error libdrm-intel requires atomic operations, please define them for your CPU/compiler. -#endif - -#endif |