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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current.h (991B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* include/asm/current.h
      3 *
      4 * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
      5 * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
      6 * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
      7 *
      8 *  Derived from "include/asm-s390/current.h" by
      9 *  Martin Schwidefsky (schwidefsky@de.ibm.com)
     10 *  Derived from "include/asm-i386/current.h"
     11*/
     12#ifndef _SPARC_CURRENT_H
     13#define _SPARC_CURRENT_H
     14
     15#include <linux/thread_info.h>
     16
     17#ifdef CONFIG_SPARC64
     18register struct task_struct *current asm("g4");
     19#endif
     20
     21#ifdef CONFIG_SPARC32
     22/* We might want to consider using %g4 like sparc64 to shave a few cycles.
     23 *
     24 * Two stage process (inline + #define) for type-checking.
     25 * We also obfuscate get_current() to check if anyone used that by mistake.
     26 */
     27struct task_struct;
     28static inline struct task_struct *__get_current(void)
     29{
     30	return current_thread_info()->task;
     31}
     32#define current __get_current()
     33#endif
     34
     35#endif /* !(_SPARC_CURRENT_H) */