https://github.com/torvalds/linux
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Tip revision: 55b637c6a003a8c4850b41a2c2fd6942d8a7f530 authored by Linus Torvalds on 19 May 2007, 04:06:17 UTC
Linux v2.6.22-rc2
Tip revision: 55b637c
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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