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TOMOYO Linux Cross Reference
Linux/arch/microblaze/include/asm/entry.h

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 /*
  3  * Definitions used by low-level trap handlers
  4  *
  5  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  6  * Copyright (C) 2007-2009 PetaLogix
  7  * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
  8  */
  9 
 10 #ifndef _ASM_MICROBLAZE_ENTRY_H
 11 #define _ASM_MICROBLAZE_ENTRY_H
 12 
 13 #include <asm/percpu.h>
 14 #include <asm/ptrace.h>
 15 #include <linux/linkage.h>
 16 
 17 /*
 18  * These are per-cpu variables required in entry.S, among other
 19  * places
 20  */
 21 
 22 #define PER_CPU(var) var
 23 
 24 # ifndef __ASSEMBLY__
 25 DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
 26 DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
 27 DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
 28 DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
 29 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
 30 
 31 extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall);
 32 # endif /* __ASSEMBLY__ */
 33 
 34 #endif /* _ASM_MICROBLAZE_ENTRY_H */
 35 

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