diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 11:32:17 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 11:32:17 +0200 |
commit | 206855c321adee56db3946ca09a5887cddb9d598 (patch) | |
tree | 13a2729d4d0e37170552bd9ad3c6bba71ba0c55c /arch/mips/include/asm/branch.h | |
parent | e8d3f455de4f42d4bab2f6f1aeb2cf3bd18eb508 (diff) | |
parent | cb58ffc3889f0545628f138f849e759a331b8ddc (diff) |
Merge branch 'x86/urgent' into core/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/mips/include/asm/branch.h')
-rw-r--r-- | arch/mips/include/asm/branch.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h new file mode 100644 index 00000000000..37c6857c8d4 --- /dev/null +++ b/arch/mips/include/asm/branch.h @@ -0,0 +1,38 @@ +/* + * 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 */ |