| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu> |
| * Copyright (C) 2008-2009 PetaLogix |
| * Copyright (C) 2006 Atmark Techno, Inc. |
| */ |
| |
| #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 |
| */ |
| register struct task_struct *current asm("r31"); |
| |
| # define get_current() current |
| # endif /* __ASSEMBLY__ */ |
| |
| #endif /* _ASM_MICROBLAZE_CURRENT_H */ |
