cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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reg.h (624B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2#ifndef _PPC_BOOT_REG_H
      3#define _PPC_BOOT_REG_H
      4/*
      5 * Copyright 2007 Davud Gibson, IBM Corporation.
      6 */
      7
      8static inline u32 mfpvr(void)
      9{
     10	u32 pvr;
     11	asm volatile ("mfpvr	%0" : "=r"(pvr));
     12	return pvr;
     13}
     14
     15#define __stringify_1(x)	#x
     16#define __stringify(x)		__stringify_1(x)
     17
     18#define mfspr(rn)	({unsigned long rval; \
     19			asm volatile("mfspr %0," __stringify(rn) \
     20				: "=r" (rval)); rval; })
     21#define mtspr(rn, v)	asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
     22
     23register void *__stack_pointer asm("r1");
     24#define get_sp()	(__stack_pointer)
     25
     26#endif	/* _PPC_BOOT_REG_H */