| /* | |
| * 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 */ |