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| author | Michal Simek | 2009-05-26 16:30:20 +0200 |
|---|---|---|
| committer | Michal Simek | 2009-05-26 16:45:19 +0200 |
| commit | 23cfc369337fa106d08cbed0dc86527c67966ff2 (patch) | |
| tree | 9970577867bc9c537385adfdef01ee6045c05590 /arch/microblaze/include/asm/current.h | |
| parent | microblaze_mmu_v2: MMU asm offset update (diff) | |
| download | kernel-qcow2-linux-23cfc369337fa106d08cbed0dc86527c67966ff2.tar.gz kernel-qcow2-linux-23cfc369337fa106d08cbed0dc86527c67966ff2.tar.xz kernel-qcow2-linux-23cfc369337fa106d08cbed0dc86527c67966ff2.zip | |
microblaze_mmu_v2: Add CURRENT_TASK for entry.S
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/include/asm/current.h')
| -rw-r--r-- | arch/microblaze/include/asm/current.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/current.h b/arch/microblaze/include/asm/current.h index 8375ea991e26..29303ed825cc 100644 --- a/arch/microblaze/include/asm/current.h +++ b/arch/microblaze/include/asm/current.h @@ -1,4 +1,6 @@ /* + * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> + * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. * * This file is subject to the terms and conditions of the GNU General Public @@ -9,6 +11,12 @@ #ifndef _ASM_MICROBLAZE_CURRENT_H #define _ASM_MICROBLAZE_CURRENT_H +/* + * Register used to hold the current task pointer while in the kernel. + * Any `call clobbered' register without a special meaning should be OK, + * but check asm/microblaze/kernel/entry.S to be sure. + */ +#define CURRENT_TASK r31 # ifndef __ASSEMBLY__ /* * Dedicate r31 to keeping the current task pointer |