mirror of
https://github.com/torvalds/linux.git
synced 2024-11-02 18:21:49 +00:00
2921e2bd67
For noMMU kernel this change nothing bring but this change helps with MMU synchronization. Signed-off-by: Michal Simek <monstr@monstr.eu>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
|
|
* Definitions used by low-level trap handlers
|
|
*
|
|
* Copyright (C) 2008 Michal Simek
|
|
* Copyright (C) 2007 - 2008 PetaLogix
|
|
* Copyright (C) 2007 John Williams <john.williams@petalogix.com>
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General
|
|
* Public License. See the file COPYING in the main directory of this
|
|
* archive for more details.
|
|
*/
|
|
|
|
#ifndef _ASM_MICROBLAZE_ENTRY_H
|
|
#define _ASM_MICROBLAZE_ENTRY_H
|
|
|
|
#include <asm/percpu.h>
|
|
#include <asm/ptrace.h>
|
|
|
|
/*
|
|
* These are per-cpu variables required in entry.S, among other
|
|
* places
|
|
*/
|
|
|
|
#define PER_CPU(var) per_cpu__##var
|
|
|
|
# ifndef __ASSEMBLY__
|
|
DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
|
|
DECLARE_PER_CPU(unsigned int, KM); /* Kernel/user mode */
|
|
DECLARE_PER_CPU(unsigned int, ENTRY_SP); /* Saved SP on kernel entry */
|
|
DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
|
|
DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
|
|
# endif /* __ASSEMBLY__ */
|
|
|
|
/* noMMU hasn't any space for args */
|
|
# define STATE_SAVE_ARG_SPACE (0)
|
|
|
|
#endif /* _ASM_MICROBLAZE_ENTRY_H */
|