MIPS: Emulate the new MIPS R6 BALC instruction
MIPS R6 uses the <R6 swc2 opcode for the new BALC instructions.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 37c7527..1f28724 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -789,6 +789,16 @@
}
regs->cp0_epc += 8;
break;
+ case balc6_op:
+ if (!cpu_has_mips_r6) {
+ ret = -SIGILL;
+ break;
+ }
+ /* Compact branch: BALC */
+ regs->regs[31] = epc + 4;
+ epc += 4 + (insn.i_format.simmediate << 2);
+ regs->cp0_epc = epc;
+ break;
#endif
case cbcond0_op:
case cbcond1_op: