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| 2 | |
| 3 | * Copyright (C) 2008-2009 Michal Simek <[email protected]>
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| 4 | * Copyright (C) 2008-2009 PetaLogix
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| 5 | * Copyright (C) 2006 Atmark Techno, Inc.
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| 6 |
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| 7 |
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| 8 | #ifndef _ASM_MICROBLAZE_CURRENT_H
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| 9 | #define _ASM_MICROBLAZE_CURRENT_H
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| 10 |
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| 11 | |
| 12 | * Register used to hold the current task pointer while in the kernel.
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| 13 | * Any `call clobbered' register without a special meaning should be OK,
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| 14 | * but check asm/microblaze/kernel/entry.S to be sure.
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| 15 |
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| 16 | #define CURRENT_TASK r31
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| 17 | # ifndef __ASSEMBLER__
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| 18 | |
| 19 | * Dedicate r31 to keeping the current task pointer
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| 20 |
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| 21 | register struct task_struct *current asm("r31");
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| 22 |
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| 23 | # define get_current() current
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| 24 | # endif
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| 25 |
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| 26 | #endif
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