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/*

 * 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) 1996, 1997, 1998, 2001 by Ralf Baechle

 */

#ifndef _ASM_BRANCH_H

#define _ASM_BRANCH_H

#include <asm/ptrace.h>

static inline int delay_slot(struct pt_regs *regs)

{

        return regs->cp0_cause & CAUSEF_BD;

}

static inline unsigned long exception_epc(struct pt_regs *regs)

{

        if (!delay_slot(regs))

                return regs->cp0_epc;

        return regs->cp0_epc + 4;

}

extern int __compute_return_epc(struct pt_regs *regs);

static inline int compute_return_epc(struct pt_regs *regs)

{

        if (!delay_slot(regs)) {

                regs->cp0_epc += 4;

                return 0;

        }

        return __compute_return_epc(regs);

}

#endif /* _ASM_BRANCH_H */