1 /* 2 * Definitions used by low-level trap handlers 3 * 4 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> 5 * Copyright (C) 2007-2009 PetaLogix 6 * Copyright (C) 2007 John Williams <john.williams@petalogix.com> 7 * 8 * This file is subject to the terms and conditions of the GNU General 9 * Public License. See the file COPYING in the main directory of this 10 * archive for more details. 11 */ 12 13 #ifndef _ASM_MICROBLAZE_ENTRY_H 14 #define _ASM_MICROBLAZE_ENTRY_H 15 16 #include <asm/percpu.h> 17 #include <asm/ptrace.h> 18 #include <linux/linkage.h> 19 20 /* 21 * These are per-cpu variables required in entry.S, among other 22 * places 23 */ 24 25 #define PER_CPU(var) var 26 27 # ifndef __ASSEMBLY__ 28 DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */ 29 DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */ 30 DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */ 31 DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */ 32 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */ 33 34 extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall); 35 # endif /* __ASSEMBLY__ */ 36 37 #endif /* _ASM_MICROBLAZE_ENTRY_H */ 38