arch/ppc64/xmon/privinst.h

   1 /*
   2  * Copyright (C) 1996 Paul Mackerras.
   3  *
   4  *      This program is free software; you can redistribute it and/or
   5  *      modify it under the terms of the GNU General Public License
   6  *      as published by the Free Software Foundation; either version
   7  *      2 of the License, or (at your option) any later version.
   8  */
   9
  10 #define GETREG(reg)             \
  11     static inline unsigned long get_ ## reg (void)      \
  12         { unsigned long ret; asm volatile ("mf" #reg " %0" : "=r" (ret) :); return ret; }
  13
  14 #define SETREG(reg)             \
  15     static inline void set_ ## reg (unsigned long val)  \
  16         { asm volatile ("mt" #reg " %0" : : "r" (val)); }
  17
  18 GETREG(msr)
  19 SETREG(msrd)
  20 GETREG(cr)
  21
  22 #define GSETSPR(n, name)        \
  23     static inline long get_ ## name (void) \
  24         { long ret; asm volatile ("mfspr %0," #n : "=r" (ret) : ); return ret; } \
  25     static inline void set_ ## name (long val) \
  26         { asm volatile ("mtspr " #n ",%0" : : "r" (val)); }
  27
  28 GSETSPR(0, mq)
  29 GSETSPR(1, xer)
  30 GSETSPR(4, rtcu)
  31 GSETSPR(5, rtcl)
  32 GSETSPR(8, lr)
  33 GSETSPR(9, ctr)
  34 GSETSPR(18, dsisr)
  35 GSETSPR(19, dar)
  36 GSETSPR(22, dec)
  37 GSETSPR(25, sdr1)
  38 GSETSPR(26, srr0)
  39 GSETSPR(27, srr1)
  40 GSETSPR(272, sprg0)
  41 GSETSPR(273, sprg1)
  42 GSETSPR(274, sprg2)
  43 GSETSPR(275, sprg3)
  44 GSETSPR(282, ear)
  45 GSETSPR(287, pvr)
  46 GSETSPR(1008, hid0)
  47 GSETSPR(1009, hid1)
  48 GSETSPR(1010, iabr)
  49 GSETSPR(1013, dabr)
  50 GSETSPR(1023, pir)
  51
  52 static inline void store_inst(void *p)
  53 {
  54         asm volatile ("dcbst 0,%0; sync; icbi 0,%0; isync" : : "r" (p));
  55 }
  56
  57 static inline void cflush(void *p)
  58 {
  59         asm volatile ("dcbf 0,%0; icbi 0,%0" : : "r" (p));
  60 }
  61
  62 static inline void cinval(void *p)
  63 {
  64         asm volatile ("dcbi 0,%0; icbi 0,%0" : : "r" (p));
  65 }