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 * Copyright (C) Paul Mackerras 1997.
 * Copyright (C) Leigh Brown 2002.
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.

typedef void *prom_handle;
typedef void *ihandle;
typedef void *phandle;
typedef int (*prom_entry)(void *);

#define OF_INVALID_HANDLE     ((prom_handle)-1UL)

extern prom_entry of_prom_entry;

/* function declarations */

int   call_prom(const char *service, int nargs, int nret, ...);
int   call_prom_ret(const char *service, int nargs, int nret,
                  unsigned int *rets, ...);
void *      claim(unsigned int virt, unsigned int size, unsigned int align);
int   map(unsigned int phys, unsigned int virt, unsigned int size);
void  enter(void);
void  exit(void);
phandle     finddevice(const char *name);
int   getprop(phandle node, const char *name, void *buf, int buflen);
void  ofinit(prom_entry entry);
int   ofstdio(ihandle *stdin, ihandle *stdout, ihandle *stderr);
int   read(ihandle instance, void *buf, int buflen);
void  release(void *virt, unsigned int size);
int   write(ihandle instance, void *buf, int buflen);

/* inlines */

extern inline void pause(void)

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