From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/mips/include/asm/branch.h | 43 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 arch/mips/include/asm/branch.h (limited to 'arch/mips/include/asm/branch.h') diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h new file mode 100644 index 00000000..888766ae --- /dev/null +++ b/arch/mips/include/asm/branch.h @@ -0,0 +1,43 @@ +/* + * 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 +#include + +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; +} + +#define BRANCH_LIKELY_TAKEN 0x0001 + +extern int __compute_return_epc(struct pt_regs *regs); +extern int __compute_return_epc_for_insn(struct pt_regs *regs, + union mips_instruction insn); + +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 */ -- cgit