arch/sparc/include/asm/irq.h

   1 /* IRQ functions
   2  *
   3  * (C) Copyright 2007
   4  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef __SPARC_IRQ_H__
  10 #define __SPARC_IRQ_H__
  11
  12 #include <asm/psr.h>
  13
  14 /* Set SPARC Processor Interrupt Level */
  15 extern inline void set_pil(unsigned int level)
  16 {
  17         unsigned int psr = get_psr();
  18
  19         put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
  20 }
  21
  22 /* Get SPARC Processor Interrupt Level */
  23 extern inline unsigned int get_pil(void)
  24 {
  25         unsigned int psr = get_psr();
  26         return (psr & PSR_PIL) >> PSR_PIL_OFS;
  27 }
  28
  29 /* Disables interrupts and return current PIL value */
  30 extern int intLock(void);
  31
  32 /* Sets the PIL to oldLevel */
  33 extern void intUnlock(int oldLevel);
  34
  35 #endif