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-rw-r--r--arch/mips/kernel/branch.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 1a0a30e..80a073c 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -790,6 +790,17 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
regs->cp0_epc += 8;
break;
#endif
+ case cbcond0_op:
+ /* Only valid for MIPS R6 */
+ if (!cpu_has_mips_r6) {
+ ret = -SIGILL;
+ break;
+ }
+ /* Compact branches: bovc, beqc, beqzalc */
+ if (insn.i_format.rt && !insn.i_format.rs)
+ regs->regs[31] = epc + 4;
+ regs->cp0_epc += 8;
+ break;
}
return ret;
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