StdLib/Include/Ipf/machine/intr.h

   1 /*      $NetBSD: intr.h,v 1.1 2006/04/07 14:21:18 cherry Exp $  */
   2
   3 /* XXX: cherry: To Be fixed when we switch on interrupts. */
   4
   5 #ifndef _IA64_INTR_H_
   6 #define _IA64_INTR_H_
   7
   8 #define IPL_NONE        0       /* XXX: Placeholder */
   9 #define IPL_BIO         0       /* XXX: Placeholder */
  10 #define IPL_NET         0       /* XXX: Placeholder */
  11 #define IPL_TTY         0       /* XXX: Placeholder */
  12 #define IPL_CLOCK       0       /* XXX: Placeholder */
  13 #define IPL_HIGH        0       /* XXX: Placeholder */
  14 #define IPL_SERIAL      0       /* XXX: Placeholder */
  15 #define IPL_SCHED       0       /* XXX: Placeholder */
  16 #define IPL_VM          0       /* XXX: Placeholder */
  17
  18 #define IPL_SOFTCLOCK   0       /* XXX: Placeholder */
  19 #define IPL_SOFTNET     0       /* XXX: Placeholder */
  20 #define IPL_SOFTSERIAL  0       /* XXX: Placeholder */
  21
  22 static __inline int splraise(int dummy) { return 0; }
  23 static __inline void spllower(int dummy) { }
  24
  25 /*
  26  * Hardware interrupt masks
  27  */
  28 #define splbio()        splraise(IPL_BIO)
  29 #define splnet()        splraise(IPL_NET)
  30 #define spltty()        splraise(IPL_TTY)
  31 #define splaudio()      splraise(IPL_AUDIO)
  32 #define splclock()      splraise(IPL_CLOCK)
  33 #define splstatclock()  splclock()
  34 #define splserial()     splraise(IPL_SERIAL)
  35 #define splipi()        splraise(IPL_IPI)
  36
  37
  38 /*
  39  * Miscellaneous
  40  */
  41 #define splvm()         splraise(IPL_VM)
  42 #define splhigh()       splraise(IPL_HIGH)
  43 #define spl0()          spllower(IPL_NONE)
  44 #define splsched()      splraise(IPL_SCHED)
  45 #define spllock()       splhigh()
  46 #define splx(x)         spllower(x)
  47
  48 /*
  49  * Software interrupt masks
  50  *
  51  * NOTE: spllowersoftclock() is used by hardclock() to lower the priority from
  52  * clock to softclock before it calls softclock().
  53  */
  54
  55 #define spllowersoftclock() spllower(IPL_SOFTCLOCK)
  56 #define splsoftclock() splraise(IPL_SOFTCLOCK)
  57 #define splsoftnet()    splraise(IPL_SOFTNET)
  58 #define splsoftserial() splraise(IPL_SOFTSERIAL)
  59
  60 #endif /* ! _IA64_INTR_H_ */