headers/private/kernel/arch/m68k/arch_atomic.h

   1 /*
   2  * Copyright 2014, Paweł Dziepak, pdziepak@quarnos.org.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              François Revol <revol@free.fr>
   7  */
   8 #ifndef _KERNEL_ARCH_M68K_ATOMIC_H
   9 #define _KERNEL_ARCH_M68K_ATOMIC_H
  10
  11
  12 static inline void
  13 memory_read_barrier_inline(void)
  14 {
  15         asm volatile ("nop;" : : : "memory");
  16 #warning M68k: check memory_read_barrier_inline (FNOP ?)
  17 }
  18
  19
  20 static inline void
  21 memory_write_barrier_inline(void)
  22 {
  23         asm volatile ("nop;" : : : "memory");
  24 #warning M68k: check memory_write_barrier_inline (FNOP ?)
  25 }
  26
  27
  28 static inline void
  29 memory_full_barrier_inline(void)
  30 {
  31         asm volatile ("nop;" : : : "memory");
  32 #warning M68k: check memory_full_barrier_inline (FNOP ?)
  33 }
  34
  35
  36 #define memory_read_barrier memory_read_barrier_inline
  37 #define memory_write_barrier memory_write_barrier_inline
  38 #define memory_full_barrier memory_full_barrier_inline
  39
  40
  41 #endif  // _KERNEL_ARCH_M68K_ATOMIC_H