https://github.com/torvalds/linux
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Tip revision: a38d6181ff27824c79fc7df825164a212eff6a3f authored by Linus Torvalds on 01 July 2007, 19:54:24 UTC
Linux 2.6.22-rc7
Tip revision: a38d618
reg.h
#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 */
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