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MIPS: Modularize COP2 handling

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Away with the daemons of ifdef; get ready for future COP2 users.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/708/
This commit is contained in:
Ralf Baechle
2009-11-24 01:24:58 +00:00
parent 4dd92e15b3
commit 69f3a7de1f
6 changed files with 140 additions and 23 deletions
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23
arch/mips/include/asm/cop2.h Normal file
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@@ -0,0 +1,23 @@
/*
* 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.
*
* Copyright (C) 2009 Wind River Systems,
* written by Ralf Baechle <ralf@linux-mips.org>
*/
#ifndef __ASM_COP2_H
#define __ASM_COP2_H
enum cu2_ops {
CU2_EXCEPTION,
CU2_LWC2_OP,
CU2_LDC2_OP,
CU2_SWC2_OP,
CU2_SDC2_OP,
};
extern int register_cu2_notifier(struct notifier_block *nb);
extern int cu2_notifier_call_chain(unsigned long val, void *v);
#endif /* __ASM_COP2_H */

1
arch/mips/include/asm/octeon/octeon.h
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@@ -47,6 +47,7 @@ struct octeon_cop2_state;
extern unsigned long octeon_crypto_enable(struct octeon_cop2_state *state);
extern void octeon_crypto_disable(struct octeon_cop2_state *state,
unsigned long flags);
extern asmlinkage void octeon_cop2_restore(struct octeon_cop2_state *task);
extern void octeon_init_cvmcount(void);