diff options
Diffstat (limited to 'arch/mips/kernel/branch.c')
| -rw-r--r-- | arch/mips/kernel/branch.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index 6b5df8bfab85..0176ed015c89 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -205,6 +205,39 @@ int __compute_return_epc(struct pt_regs *regs) break; } break; +#ifdef CONFIG_CPU_CAVIUM_OCTEON + case lwc2_op: /* This is bbit0 on Octeon */ + if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) + == 0) + epc = epc + 4 + (insn.i_format.simmediate << 2); + else + epc += 8; + regs->cp0_epc = epc; + break; + case ldc2_op: /* This is bbit032 on Octeon */ + if ((regs->regs[insn.i_format.rs] & + (1ull<<(insn.i_format.rt+32))) == 0) + epc = epc + 4 + (insn.i_format.simmediate << 2); + else + epc += 8; + regs->cp0_epc = epc; + break; + case swc2_op: /* This is bbit1 on Octeon */ + if (regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) + epc = epc + 4 + (insn.i_format.simmediate << 2); + else + epc += 8; + regs->cp0_epc = epc; + break; + case sdc2_op: /* This is bbit132 on Octeon */ + if (regs->regs[insn.i_format.rs] & + (1ull<<(insn.i_format.rt+32))) + epc = epc + 4 + (insn.i_format.simmediate << 2); + else + epc += 8; + regs->cp0_epc = epc; + break; +#endif } return 0; |