x86: Add checkpointing capability to devices

Add checkpointing capability to the Intel 8254 timer, CMOS, I8042,
PS2 Keyboard and Mouse, I82094AA, I8237, I8254, I8259, and speaker
devices

1 files changed, 13 insertions, 1 deletions

diff --git a/src/dev/x86/i8237.cc b/src/dev/x86/i8237.cc
index f6ea9d75f..a43c1ec91 100644
--- a/src/dev/x86/i8237.cc
+++ b/src/dev/x86/i8237.cc
@@ -119,12 +119,24 @@ X86ISA::I8237::write(PacketPtr pkt)
       case 0xf:
         panic("Write to i8237 write all mask register bits unimplemented.\n");
       default:
-        panic("Write to undefined i8254 register.\n");
+        panic("Write to undefined i8237 register.\n");
     }
     pkt->makeAtomicResponse();
     return latency;
 }
 
+void
+X86ISA::I8237::serialize(std::ostream &os)
+{
+    SERIALIZE_SCALAR(maskReg);
+}
+
+void
+X86ISA::I8237::unserialize(Checkpoint *cp, const std::string &section)
+{
+    UNSERIALIZE_SCALAR(maskReg);
+}
+
 X86ISA::I8237 *
 I8237Params::create()
 {