LXR uboot/arch/openrisc/include/asm/system.h

   1/*
   2 * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#ifndef __ASM_OPENRISC_SYSTEM_H
   8#define __ASM_OPENRISC_SYSTEM_H
   9
  10#include <asm/spr-defs.h>
  11
  12static inline unsigned long mfspr(unsigned long add)
  13{
  14        unsigned long ret;
  15
  16        __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
  17
  18        return ret;
  19}
  20
  21static inline void mtspr(unsigned long add, unsigned long val)
  22{
  23        __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
  24}
  25
  26#endif /* __ASM_OPENRISC_SYSTEM_H */
  27