ARM: Add checkpointing support

5 files changed, 143 insertions, 8 deletions

diff --git a/src/dev/arm/gic.cc b/src/dev/arm/gic.cc
index eff7d94bb..ee8008144 100644
--- a/src/dev/arm/gic.cc
+++ b/src/dev/arm/gic.cc
@@ -495,13 +495,53 @@ Gic::addressRanges(AddrRangeList &range_list)
 void
 Gic::serialize(std::ostream &os)
 {
-    panic("Need to implement serialization\n");
+    DPRINTF(Checkpoint, "Serializing Arm GIC\n");
+
+    SERIALIZE_SCALAR(distAddr);
+    SERIALIZE_SCALAR(cpuAddr);
+    SERIALIZE_SCALAR(distPioDelay);
+    SERIALIZE_SCALAR(cpuPioDelay);
+    SERIALIZE_SCALAR(enabled);
+    SERIALIZE_SCALAR(itLines);
+    SERIALIZE_SCALAR(itLinesLog2);
+    SERIALIZE_ARRAY(intEnabled, 32);
+    SERIALIZE_ARRAY(pendingInt, 32);
+    SERIALIZE_ARRAY(activeInt, 32);
+    SERIALIZE_ARRAY(iccrpr, 8);
+    SERIALIZE_ARRAY(intPriority, 1020);
+    SERIALIZE_ARRAY(cpuTarget, 1020);
+    SERIALIZE_ARRAY(intConfig, 64);
+    SERIALIZE_ARRAY(cpuEnabled, 8);
+    SERIALIZE_ARRAY(cpuPriority, 8);
+    SERIALIZE_ARRAY(cpuBpr, 8);
+    SERIALIZE_ARRAY(cpuHighestInt, 8);
+    SERIALIZE_SCALAR(irqEnable);
 }
 
 void
 Gic::unserialize(Checkpoint *cp, const std::string &section)
 {
-    panic("Need to implement serialization\n");
+    DPRINTF(Checkpoint, "Unserializing Arm GIC\n");
+
+    UNSERIALIZE_SCALAR(distAddr);
+    UNSERIALIZE_SCALAR(cpuAddr);
+    UNSERIALIZE_SCALAR(distPioDelay);
+    UNSERIALIZE_SCALAR(cpuPioDelay);
+    UNSERIALIZE_SCALAR(enabled);
+    UNSERIALIZE_SCALAR(itLines);
+    UNSERIALIZE_SCALAR(itLinesLog2);
+    UNSERIALIZE_ARRAY(intEnabled, 32);
+    UNSERIALIZE_ARRAY(pendingInt, 32);
+    UNSERIALIZE_ARRAY(activeInt, 32);
+    UNSERIALIZE_ARRAY(iccrpr, 8);
+    UNSERIALIZE_ARRAY(intPriority, 1020);
+    UNSERIALIZE_ARRAY(cpuTarget, 1020);
+    UNSERIALIZE_ARRAY(intConfig, 64);
+    UNSERIALIZE_ARRAY(cpuEnabled, 8);
+    UNSERIALIZE_ARRAY(cpuPriority, 8);
+    UNSERIALIZE_ARRAY(cpuBpr, 8);
+    UNSERIALIZE_ARRAY(cpuHighestInt, 8);
+    UNSERIALIZE_SCALAR(irqEnable);
 }
 
 Gic *
diff --git a/src/dev/arm/pl011.cc b/src/dev/arm/pl011.cc
index 555636f04..d8ea9409b 100644
--- a/src/dev/arm/pl011.cc
+++ b/src/dev/arm/pl011.cc
@@ -274,13 +274,51 @@ Pl011::generateInterrupt()
 void
 Pl011::serialize(std::ostream &os)
 {
-    panic("Need to implement serialization\n");
+    DPRINTF(Checkpoint, "Serializing Arm PL011\n");
+    SERIALIZE_SCALAR(control);
+    SERIALIZE_SCALAR(fbrd);
+    SERIALIZE_SCALAR(ibrd);
+    SERIALIZE_SCALAR(lcrh);
+    SERIALIZE_SCALAR(ifls);
+
+    uint16_t imsc_serial = imsc;
+    SERIALIZE_SCALAR(imsc_serial);
+
+    uint16_t rawInt_serial = rawInt;
+    SERIALIZE_SCALAR(rawInt_serial);
+
+    uint16_t maskInt_serial = maskInt;
+    SERIALIZE_SCALAR(maskInt_serial);
+
+    SERIALIZE_SCALAR(endOnEOT);
+    SERIALIZE_SCALAR(intDelay);
 }
 
 void
 Pl011::unserialize(Checkpoint *cp, const std::string &section)
 {
-    panic("Need to implement serialization\n");
+    DPRINTF(Checkpoint, "Unserializing Arm PL011\n");
+
+    UNSERIALIZE_SCALAR(control);
+    UNSERIALIZE_SCALAR(fbrd);
+    UNSERIALIZE_SCALAR(ibrd);
+    UNSERIALIZE_SCALAR(lcrh);
+    UNSERIALIZE_SCALAR(ifls);
+
+    uint16_t imsc_serial;
+    UNSERIALIZE_SCALAR(imsc_serial);
+    imsc = imsc_serial;
+
+    uint16_t rawInt_serial;
+    UNSERIALIZE_SCALAR(rawInt_serial);
+    rawInt = rawInt_serial;
+
+    uint16_t maskInt_serial;
+    UNSERIALIZE_SCALAR(maskInt_serial);
+    maskInt = maskInt_serial;
+
+    UNSERIALIZE_SCALAR(endOnEOT);
+    UNSERIALIZE_SCALAR(intDelay);
 }
 
 Pl011 *
diff --git a/src/dev/arm/rv_ctrl.cc b/src/dev/arm/rv_ctrl.cc
index e2543426b..08ac07233 100644
--- a/src/dev/arm/rv_ctrl.cc
+++ b/src/dev/arm/rv_ctrl.cc
@@ -97,13 +97,11 @@ RealViewCtrl::write(PacketPtr pkt)
 void
 RealViewCtrl::serialize(std::ostream &os)
 {
-    panic("Need to implement serialization\n");
 }
 
 void
 RealViewCtrl::unserialize(Checkpoint *cp, const std::string &section)
 {
-    panic("Need to implement serialization\n");
 }
 
 RealViewCtrl *
diff --git a/src/dev/arm/timer_sp804.cc b/src/dev/arm/timer_sp804.cc
index c662d35bb..f6bbfb515 100644
--- a/src/dev/arm/timer_sp804.cc
+++ b/src/dev/arm/timer_sp804.cc
@@ -219,17 +219,72 @@ Sp804::Timer::counterAtZero()
         restartCounter(loadValue);
 }
 
+void
+Sp804::Timer::serialize(std::ostream &os)
+{
+    DPRINTF(Checkpoint, "Serializing Arm Sp804\n");
+    SERIALIZE_SCALAR(intNum);
+    SERIALIZE_SCALAR(clock);
+
+    uint32_t control_serial = control;
+    SERIALIZE_SCALAR(control_serial);
+
+    SERIALIZE_SCALAR(rawInt);
+    SERIALIZE_SCALAR(pendingInt);
+    SERIALIZE_SCALAR(loadValue);
+
+    bool is_in_event = zeroEvent.scheduled();
+    SERIALIZE_SCALAR(is_in_event);
+
+    Tick event_time;
+    if (is_in_event){
+        event_time = zeroEvent.when();
+        SERIALIZE_SCALAR(event_time);
+    }
+}
+
+void
+Sp804::Timer::unserialize(Checkpoint *cp, const std::string &section)
+{
+    DPRINTF(Checkpoint, "Unserializing Arm Sp804\n");
+
+    UNSERIALIZE_SCALAR(intNum);
+    UNSERIALIZE_SCALAR(clock);
+
+    uint32_t control_serial;
+    UNSERIALIZE_SCALAR(control_serial);
+    control = control_serial;
+
+    UNSERIALIZE_SCALAR(rawInt);
+    UNSERIALIZE_SCALAR(pendingInt);
+    UNSERIALIZE_SCALAR(loadValue);
+
+    bool is_in_event;
+    UNSERIALIZE_SCALAR(is_in_event);
+
+    Tick event_time;
+    if (is_in_event){
+        UNSERIALIZE_SCALAR(event_time);
+        parent->schedule(zeroEvent, event_time);
+    }
+}
+
+
 
 void
 Sp804::serialize(std::ostream &os)
 {
-    panic("Need to implement serialization\n");
+    nameOut(os, csprintf("%s.timer0", name()));
+    timer0.serialize(os);
+    nameOut(os, csprintf("%s.timer1", name()));
+    timer1.serialize(os);
 }
 
 void
 Sp804::unserialize(Checkpoint *cp, const std::string &section)
 {
-    panic("Need to implement serialization\n");
+    timer0.unserialize(cp, csprintf("%s.timer0", section));
+    timer1.unserialize(cp, csprintf("%s.timer1", section));
 }
 
 Sp804 *
diff --git a/src/dev/arm/timer_sp804.hh b/src/dev/arm/timer_sp804.hh
index 1039456ab..afb6e29ed 100644
--- a/src/dev/arm/timer_sp804.hh
+++ b/src/dev/arm/timer_sp804.hh
@@ -121,6 +121,10 @@ class Sp804 : public AmbaDevice
 
         /** Handle write for a single timer */
         void write(PacketPtr pkt, Addr daddr);
+
+        void serialize(std::ostream &os);
+        void unserialize(Checkpoint *cp, const std::string &section);
+
     };
 
     /** Pointer to the GIC for causing an interrupt */