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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-03-08 16:30:55 -0700
commitd15c22e78674f9a5bc0de0932a43abe1aafae303 (patch)
tree3e4198c44bd2d9184e91647346c66aa95e28f843 /arch/mips/kernel/branch.c
parent0f4954819fb6f840d46076f0dbd313ef5da48f5d (diff)
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff)
Merge commit 'v2.6.29-rc7' into next
Diffstat (limited to 'arch/mips/kernel/branch.c')
-rw-r--r--arch/mips/kernel/branch.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 6b5df8bfab8..0176ed015c8 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;