2 * Definitions used by low-level trap handlers
4 * Copyright (C) 2008 Michal Simek
5 * Copyright (C) 2007 - 2008 PetaLogix
6 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
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.
13 #ifndef _ASM_MICROBLAZE_ENTRY_H
14 #define _ASM_MICROBLAZE_ENTRY_H
16 #include <asm/percpu.h>
17 #include <asm/ptrace.h>
20 * These are per-cpu variables required in entry.S, among other
24 #define PER_CPU(var) per_cpu__##var
27 DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
28 DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
29 DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
30 DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
31 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
32 # endif /* __ASSEMBLY__ */
34 /* noMMU hasn't any space for args */
35 # define STATE_SAVE_ARG_SPACE (0)
37 #endif /* _ASM_MICROBLAZE_ENTRY_H */