Commit | Line | Data |
---|---|---|
4115ac83 | 1 | /* |
23cfc369 MS |
2 | * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> |
3 | * Copyright (C) 2008-2009 PetaLogix | |
4115ac83 MS |
4 | * Copyright (C) 2006 Atmark Techno, Inc. |
5 | * | |
6 | * This file is subject to the terms and conditions of the GNU General Public | |
7 | * License. See the file "COPYING" in the main directory of this archive | |
8 | * for more details. | |
9 | */ | |
10 | ||
11 | #ifndef _ASM_MICROBLAZE_CURRENT_H | |
12 | #define _ASM_MICROBLAZE_CURRENT_H | |
13 | ||
23cfc369 MS |
14 | /* |
15 | * Register used to hold the current task pointer while in the kernel. | |
16 | * Any `call clobbered' register without a special meaning should be OK, | |
17 | * but check asm/microblaze/kernel/entry.S to be sure. | |
18 | */ | |
19 | #define CURRENT_TASK r31 | |
4115ac83 MS |
20 | # ifndef __ASSEMBLY__ |
21 | /* | |
22 | * Dedicate r31 to keeping the current task pointer | |
23 | */ | |
24 | register struct task_struct *current asm("r31"); | |
25 | ||
26 | # define get_current() current | |
27 | # endif /* __ASSEMBLY__ */ | |
28 | ||
29 | #endif /* _ASM_MICROBLAZE_CURRENT_H */ |