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authorMarkos Chandras <markos.chandras@imgtec.com>2014-11-26 15:03:54 +0000
committerMarkos Chandras <markos.chandras@imgtec.com>2015-02-17 15:37:34 +0000
commit10d962d5342e84630b258dbd89668c359549b5b5 (patch)
tree29488974d8863b6ee17bef9fc639b978c56e19e7 /arch/mips/kernel/branch.c
parentc893ce38b265d5787d03850b36221f595b224538 (diff)
downloadop-kernel-dev-10d962d5342e84630b258dbd89668c359549b5b5.zip
op-kernel-dev-10d962d5342e84630b258dbd89668c359549b5b5.tar.gz
MIPS: Emulate the new MIPS R6 BNVC, BNEC and BNEZLAC instructions
MIPS R6 uses the <R6 DADDI opcode for the new BNVC, BNEC and BNEZLAC instructions. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Diffstat (limited to 'arch/mips/kernel/branch.c')
-rw-r--r--arch/mips/kernel/branch.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 80a073c..37c7527 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -791,12 +791,16 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
break;
#endif
case cbcond0_op:
+ case cbcond1_op:
/* Only valid for MIPS R6 */
if (!cpu_has_mips_r6) {
ret = -SIGILL;
break;
}
- /* Compact branches: bovc, beqc, beqzalc */
+ /*
+ * Compact branches:
+ * bovc, beqc, beqzalc, bnvc, bnec, bnezlac
+ */
if (insn.i_format.rt && !insn.i_format.rs)
regs->regs[31] = epc + 4;
regs->cp0_epc += 8;
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