| /* |
| * Branch and jump emulation. |
| * |
| * 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 by Ralf Baechle |
| * |
| * $Id: branch.h,v 1.2 1998/04/28 19:37:46 ralf Exp $ |
| */ |
| #include <asm/ptrace.h> |
| |
| extern inline int delay_slot(struct pt_regs *regs) |
| { |
| return regs->cp0_cause & CAUSEF_BD; |
| } |
| |
| extern int __compute_return_epc(struct pt_regs *regs); |
| |
| extern inline int compute_return_epc(struct pt_regs *regs) |
| { |
| if (!delay_slot(regs)) { |
| regs->cp0_epc += 4; |
| return 0; |
| } |
| |
| return __compute_return_epc(regs); |
| } |
