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Commit 5a7ebbf8 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

MIPS: branch: New helpers to modify branch delay slot flag in struct pt_regs 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 2209bcb1

arch/mips/include/asm/branch.h

+10 −0
Original line number Diff line number Diff line
@@ -24,6 +24,16 @@ static inline int delay_slot(struct pt_regs *regs) 
	return regs->cp0_cause & CAUSEF_BD;

}



static inline void clear_delay_slot(struct pt_regs *regs)

{

	regs->cp0_cause &= ~CAUSEF_BD;

}



static inline void set_delay_slot(struct pt_regs *regs)

{

	regs->cp0_cause |= CAUSEF_BD;

}



static inline unsigned long exception_epc(struct pt_regs *regs)

{

	if (likely(!delay_slot(regs)))