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#ifndef _PPC_BOOT_REG_H
#define _PPC_BOOT_REG_H
 * Copyright 2007 Davud Gibson, IBM Corporation.
 * 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.

static inline u32 mfpvr(void)
      u32 pvr;
      asm volatile ("mfpvr    %0" : "=r"(pvr));
      return pvr;

#define __stringify_1(x)      #x
#define __stringify(x)        __stringify_1(x)

#define mfspr(rn) ({unsigned long rval; \
                  asm volatile("mfspr %0," __stringify(rn) \
                        : "=r" (rval)); rval; })
#define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))

register void *__stack_pointer asm("r1");
#define get_sp()  (__stack_pointer)

#endif      /* _PPC_BOOT_REG_H */

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