include/urcu/arch/hppa.h

   1 // SPDX-FileCopyrightText: 2014 Helge Deller <deller@gmx.de>
   2 //
   3 // SPDX-License-Identifier: LGPL-2.1-or-later
   4
   5 #ifndef _URCU_ARCH_HPPA_H
   6 #define _URCU_ARCH_HPPA_H
   7
   8 /*
   9  * arch/hppa.h: definitions for hppa architecture
  10  */
  11
  12 #include <urcu/compiler.h>
  13 #include <urcu/config.h>
  14 #include <urcu/syscall-compat.h>
  15
  16 #ifdef __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 #include <stdlib.h>
  21 #include <sys/time.h>
  22
  23 /*
  24  * On Linux, define the membarrier system call number if not yet available in
  25  * the system headers.
  26  */
  27 #if (defined(__linux__) && !defined(__NR_membarrier))
  28 #define __NR_membarrier         343
  29 #endif
  30
  31 #define HAS_CAA_GET_CYCLES
  32 typedef unsigned long caa_cycles_t;
  33
  34 static inline caa_cycles_t caa_get_cycles(void)
  35 {
  36         caa_cycles_t cycles;
  37
  38         asm volatile("mfctl 16, %0" : "=r" (cycles));
  39         return cycles;
  40 }
  41
  42 #ifdef __cplusplus
  43 }
  44 #endif
  45
  46 #include <urcu/arch/generic.h>
  47
  48 #endif /* _URCU_ARCH_HPPA_H */