kernel-ark/arch/powerpc/boot/reg.h

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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;
}
register void *__stack_pointer asm("r1");
#define get_sp() (__stack_pointer)
#endif /* _PPC_BOOT_REG_H */