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__
28DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
29DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
30DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
31DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
32DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
33
34extern asmlinkage void do_notify_resume(struct pt_regs *regs, int in_syscall);
35# endif /* __ASSEMBLY__ */
36
37#endif /* _ASM_MICROBLAZE_ENTRY_H */
38