arch/ppc/boot/include/of1275.h

   1 /*
   2  * Copyright (C) Paul Mackerras 1997.
   3  * Copyright (C) Leigh Brown 2002.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version
   8  * 2 of the License, or (at your option) any later version.
   9  */
  10
  11 typedef void *prom_handle;
  12 typedef void *ihandle;
  13 typedef void *phandle;
  14 typedef int (*prom_entry)(void *);
  15
  16 #define OF_INVALID_HANDLE       ((prom_handle)-1UL)
  17
  18 extern prom_entry of_prom_entry;
  19
  20 /* function declarations */
  21
  22 int     call_prom(const char *service, int nargs, int nret, ...);
  23 int     call_prom_ret(const char *service, int nargs, int nret,
  24                       unsigned int *rets, ...);
  25 void *  claim(unsigned int virt, unsigned int size, unsigned int align);
  26 int     map(unsigned int phys, unsigned int virt, unsigned int size);
  27 void    enter(void);
  28 void    exit(void);
  29 phandle finddevice(const char *name);
  30 int     getprop(phandle node, const char *name, void *buf, int buflen);
  31 void    ofinit(prom_entry entry);
  32 int     ofstdio(ihandle *stdin, ihandle *stdout, ihandle *stderr);
  33 int     read(ihandle instance, void *buf, int buflen);
  34 void    release(void *virt, unsigned int size);
  35 int     write(ihandle instance, void *buf, int buflen);
  36
  37 /* inlines */
  38
  39 extern inline void pause(void)
  40 {
  41         enter();
  42 }