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

…pt_regs Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
git-mirror · May 21, 2014 · 5a7ebbf · 5a7ebbf
1 parent 2209bcb
commit 5a7ebbf
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h
@@ -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)))