Merge python and x86 changes with cache branch

--HG--
extra : convert_revision : e06a950964286604274fba81dcca362d75847233

49 files changed, 372 insertions, 1540 deletions

diff --git a/src/dev/Ethernet.py b/src/dev/Ethernet.py
index 587087640..c978470ca 100644
--- a/src/dev/Ethernet.py
+++ b/src/dev/Ethernet.py
@@ -180,6 +180,8 @@ class SinicPciData(PciConfigData):
 
 class Sinic(EtherDevBase):
     type = 'Sinic'
+    cxx_namespace = 'Sinic'
+    cxx_class = 'Device'
 
     rx_max_copy = Param.MemorySize('1514B', "rx max copy")
     tx_max_copy = Param.MemorySize('16kB', "tx max copy")
@@ -197,4 +199,7 @@ class Sinic(EtherDevBase):
 
 class SinicInt(EtherInt):
     type = 'SinicInt'
+    cxx_namespace = 'Sinic'
+    cxx_class = 'Interface'
+
     device = Param.Sinic("Ethernet device of this interface")
diff --git a/src/dev/SConscript b/src/dev/SConscript
index 2e0d75650..88ebee573 100644
--- a/src/dev/SConscript
+++ b/src/dev/SConscript
@@ -50,7 +50,7 @@ if env['FULL_SYSTEM']:
     Source('etherint.cc')
     Source('etherlink.cc')
     Source('etherpkt.cc')
-    Source('ethertap.cc')	
+    Source('ethertap.cc')
     Source('i8254xGBe.cc')
     Source('ide_ctrl.cc')
     Source('ide_disk.cc')
@@ -63,6 +63,6 @@ if env['FULL_SYSTEM']:
     Source('platform.cc')
     Source('simconsole.cc')
     Source('simple_disk.cc')
-    #Source('sinic.cc')
+    Source('sinic.cc')
     Source('uart.cc')
     Source('uart8250.cc')
diff --git a/src/dev/alpha/console.cc b/src/dev/alpha/console.cc
index 55549a154..84425945b 100644
--- a/src/dev/alpha/console.cc
+++ b/src/dev/alpha/console.cc
@@ -51,15 +51,15 @@
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
 #include "mem/physical.hh"
-#include "sim/builder.hh"
+#include "params/AlphaConsole.hh"
 #include "sim/sim_object.hh"
 
 using namespace std;
 using namespace AlphaISA;
 
-AlphaConsole::AlphaConsole(Params *p)
-    : BasicPioDevice(p), disk(p->disk),
-      console(params()->cons), system(params()->alpha_sys), cpu(params()->cpu)
+AlphaConsole::AlphaConsole(const Params *p)
+    : BasicPioDevice(p), disk(p->disk), console(p->sim_console),
+      system(p->system), cpu(p->cpu)
 {
 
     pioSize = sizeof(struct AlphaAccess);
@@ -303,43 +303,8 @@ AlphaConsole::unserialize(Checkpoint *cp, const std::string &section)
     alphaAccess->unserialize(cp, section);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
-
-    SimObjectParam<SimConsole *> sim_console;
-    SimObjectParam<SimpleDisk *> disk;
-    Param<Addr> pio_addr;
-    SimObjectParam<AlphaSystem *> system;
-    SimObjectParam<BaseCPU *> cpu;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> pio_latency;
-
-END_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
-
-    INIT_PARAM(sim_console, "The Simulator Console"),
-    INIT_PARAM(disk, "Simple Disk"),
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(cpu, "Processor"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000)
-
-END_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
-
-CREATE_SIM_OBJECT(AlphaConsole)
+AlphaConsole *
+AlphaConsoleParams::create()
 {
-    AlphaConsole::Params *p = new AlphaConsole::Params;
-    p->name = getInstanceName();
-    p->platform = platform;
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->cons = sim_console;
-    p->disk = disk;
-    p->alpha_sys = system;
-    p->system = system;
-    p->cpu = cpu;
-    return new AlphaConsole(p);
+    return new AlphaConsole(this);
 }
-
-REGISTER_SIM_OBJECT("AlphaConsole", AlphaConsole)
diff --git a/src/dev/alpha/console.hh b/src/dev/alpha/console.hh
index b8d21ad5d..e77a7fad6 100644
--- a/src/dev/alpha/console.hh
+++ b/src/dev/alpha/console.hh
@@ -38,6 +38,7 @@
 #include "base/range.hh"
 #include "dev/alpha/access.h"
 #include "dev/io_device.hh"
+#include "params/AlphaConsole.hh"
 #include "sim/host.hh"
 #include "sim/sim_object.hh"
 
@@ -98,20 +99,14 @@ class AlphaConsole : public BasicPioDevice
     BaseCPU *cpu;
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        SimConsole *cons;
-        SimpleDisk *disk;
-        AlphaSystem *alpha_sys;
-        BaseCPU *cpu;
-    };
-  protected:
-    const Params *params() const {return (const Params *)_params; }
+    typedef AlphaConsoleParams Params;
+    AlphaConsole(const Params *p);
 
-  public:
-
-    /** Standard Constructor */
-    AlphaConsole(Params *p);
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual void startup();
 
diff --git a/src/dev/alpha/tsunami.cc b/src/dev/alpha/tsunami.cc
index 608e88846..bac2a8682 100644
--- a/src/dev/alpha/tsunami.cc
+++ b/src/dev/alpha/tsunami.cc
@@ -42,7 +42,7 @@
 #include "dev/alpha/tsunami_pchip.hh"
 #include "dev/alpha/tsunami_io.hh"
 #include "dev/alpha/tsunami.hh"
-#include "sim/builder.hh"
+#include "params/Tsunami.hh"
 #include "sim/system.hh"
 
 using namespace std;
@@ -114,23 +114,8 @@ Tsunami::unserialize(Checkpoint *cp, const std::string &section)
     UNSERIALIZE_ARRAY(intr_sum_type, Tsunami::Max_CPUs);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tsunami)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<IntrControl *> intrctrl;
-
-END_DECLARE_SIM_OBJECT_PARAMS(Tsunami)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(Tsunami)
-
-    INIT_PARAM(system, "system"),
-    INIT_PARAM(intrctrl, "interrupt controller")
-
-END_INIT_SIM_OBJECT_PARAMS(Tsunami)
-
-CREATE_SIM_OBJECT(Tsunami)
+Tsunami *
+TsunamiParams::create()
 {
-    return new Tsunami(getInstanceName(), system, intrctrl);
+    return new Tsunami(name, system, intrctrl);
 }
-
-REGISTER_SIM_OBJECT("Tsunami", Tsunami)
diff --git a/src/dev/alpha/tsunami_cchip.cc b/src/dev/alpha/tsunami_cchip.cc
index c10ca1eef..891fe17da 100644
--- a/src/dev/alpha/tsunami_cchip.cc
+++ b/src/dev/alpha/tsunami_cchip.cc
@@ -47,14 +47,14 @@
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
 #include "mem/port.hh"
-#include "sim/builder.hh"
+#include "params/TsunamiCChip.hh"
 #include "sim/system.hh"
 
 using namespace std;
 //Should this be AlphaISA?
 using namespace TheISA;
 
-TsunamiCChip::TsunamiCChip(Params *p)
+TsunamiCChip::TsunamiCChip(const Params *p)
     : BasicPioDevice(p), tsunami(p->tsunami)
 {
     pioSize = 0x10000000;
@@ -521,36 +521,8 @@ TsunamiCChip::unserialize(Checkpoint *cp, const std::string &section)
     UNSERIALIZE_SCALAR(drir);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-    SimObjectParam<Tsunami *> tsunami;
-
-END_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(tsunami, "Tsunami")
-
-END_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
-
-CREATE_SIM_OBJECT(TsunamiCChip)
+TsunamiCChip *
+TsunamiCChipParams::create()
 {
-    TsunamiCChip::Params *p = new TsunamiCChip::Params;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    p->tsunami = tsunami;
-    return new TsunamiCChip(p);
+    return new TsunamiCChip(this);
 }
-
-REGISTER_SIM_OBJECT("TsunamiCChip", TsunamiCChip)
diff --git a/src/dev/alpha/tsunami_cchip.hh b/src/dev/alpha/tsunami_cchip.hh
index 004c3cd29..1265c2e80 100644
--- a/src/dev/alpha/tsunami_cchip.hh
+++ b/src/dev/alpha/tsunami_cchip.hh
@@ -35,10 +35,10 @@
 #ifndef __TSUNAMI_CCHIP_HH__
 #define __TSUNAMI_CCHIP_HH__
 
-#include "dev/alpha/tsunami.hh"
 #include "base/range.hh"
+#include "dev/alpha/tsunami.hh"
 #include "dev/io_device.hh"
-
+#include "params/TsunamiCChip.hh"
 
 /**
  * Tsunami CChip CSR Emulation. This device includes all the interrupt
@@ -79,20 +79,19 @@ class TsunamiCChip : public BasicPioDevice
     uint64_t itint;
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        Tsunami *tsunami;
-    };
-  protected:
-    const Params *params() const {return (const Params *)_params; }
-
-  public:
+    typedef TsunamiCChipParams Params;
     /**
      * Initialize the Tsunami CChip by setting all of the
      * device register to 0.
      * @param p params struct
      */
-    TsunamiCChip(Params *p);
+    TsunamiCChip(const Params *p);
+
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual Tick read(PacketPtr pkt);
 
diff --git a/src/dev/alpha/tsunami_io.cc b/src/dev/alpha/tsunami_io.cc
index f59a06fba..e1ca1c84c 100644
--- a/src/dev/alpha/tsunami_io.cc
+++ b/src/dev/alpha/tsunami_io.cc
@@ -40,6 +40,7 @@
 #include <string>
 #include <vector>
 
+#include "base/time.hh"
 #include "base/trace.hh"
 #include "dev/pitreg.h"
 #include "dev/rtcreg.h"
@@ -50,27 +51,23 @@
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
 #include "mem/port.hh"
-#include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
 //Should this be AlphaISA?
 using namespace TheISA;
 
-TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector<int> &t,
-                    bool bcd, Tick i)
-    : _name(n), event(tsunami, i), addr(0), year_is_bcd(bcd)
+TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami,
+                    const TsunamiIO::Params *p)
+    : _name(n), event(tsunami, p->frequency), addr(0)
 {
     memset(clock_data, 0, sizeof(clock_data));
     stat_regA = RTCA_32768HZ | RTCA_1024HZ;
     stat_regB = RTCB_PRDC_IE |RTCB_BIN | RTCB_24HR;
 
-    struct tm tm;
-    parseTime(t, &tm);
+    year = p->time.tm_year;
 
-    year = tm.tm_year;
-
-    if (year_is_bcd) {
+    if (p->year_is_bcd) {
         // The datasheet says that the year field can be either BCD or
         // years since 1900.  Linux seems to be happy with years since
         // 1900.
@@ -81,16 +78,16 @@ TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector<int> &t,
     }
 
     // Unix is 0-11 for month, data seet says start at 1
-    mon = tm.tm_mon + 1;
-    mday = tm.tm_mday;
-    hour = tm.tm_hour;
-    min = tm.tm_min;
-    sec = tm.tm_sec;
+    mon = p->time.tm_mon + 1;
+    mday = p->time.tm_mday;
+    hour = p->time.tm_hour;
+    min = p->time.tm_min;
+    sec = p->time.tm_sec;
 
     // Datasheet says 1 is sunday
-    wday = tm.tm_wday + 1;
+    wday = p->time.tm_wday + 1;
 
-    DPRINTFN("Real-time clock set to %s", asctime(&tm));
+    DPRINTFN("Real-time clock set to %s", asctime(&p->time));
 }
 
 void
@@ -437,10 +434,9 @@ TsunamiIO::PITimer::Counter::CounterEvent::description()
     return "tsunami 8254 Interval timer";
 }
 
-TsunamiIO::TsunamiIO(Params *p)
+TsunamiIO::TsunamiIO(const Params *p)
     : BasicPioDevice(p), tsunami(p->tsunami), pitimer(p->name + "pitimer"),
-      rtc(p->name + ".rtc", p->tsunami, p->init_time, p->year_is_bcd,
-          p->frequency)
+      rtc(p->name + ".rtc", p->tsunami, p)
 {
     pioSize = 0x100;
 
@@ -656,45 +652,8 @@ TsunamiIO::unserialize(Checkpoint *cp, const string &section)
     rtc.unserialize("rtc", cp, section);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    Param<Tick> frequency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-    VectorParam<int> time;
-    Param<bool> year_is_bcd;
-    SimObjectParam<Tsunami *> tsunami;
-
-END_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiIO)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(frequency, "clock interrupt frequency"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(time, "System time to use (0 for actual time"),
-    INIT_PARAM(year_is_bcd, ""),
-    INIT_PARAM(tsunami, "Tsunami")
-
-END_INIT_SIM_OBJECT_PARAMS(TsunamiIO)
-
-CREATE_SIM_OBJECT(TsunamiIO)
+TsunamiIO *
+TsunamiIOParams::create()
 {
-    TsunamiIO::Params *p = new TsunamiIO::Params;
-    p->frequency = frequency;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    p->init_time = time;
-    p->year_is_bcd = year_is_bcd;
-    p->tsunami = tsunami;
-    return new TsunamiIO(p);
+    return new TsunamiIO(this);
 }
-
-REGISTER_SIM_OBJECT("TsunamiIO", TsunamiIO)
diff --git a/src/dev/alpha/tsunami_io.hh b/src/dev/alpha/tsunami_io.hh
index f4fa62a68..5083604f8 100644
--- a/src/dev/alpha/tsunami_io.hh
+++ b/src/dev/alpha/tsunami_io.hh
@@ -37,9 +37,10 @@
 #ifndef __DEV_TSUNAMI_IO_HH__
 #define __DEV_TSUNAMI_IO_HH__
 
-#include "dev/io_device.hh"
 #include "base/range.hh"
 #include "dev/alpha/tsunami.hh"
+#include "dev/io_device.hh"
+#include "params/TsunamiIO.hh"
 #include "sim/eventq.hh"
 
 /**
@@ -85,9 +86,6 @@ class TsunamiIO : public BasicPioDevice
         /** Current RTC register address/index */
         int addr;
 
-        /** should the year be interpreted as BCD? */
-        bool year_is_bcd;
-
         /** Data for real-time clock function */
         union {
             uint8_t clock_data[10];
@@ -114,7 +112,7 @@ class TsunamiIO : public BasicPioDevice
 
       public:
         RTC(const std::string &name, Tsunami* tsunami,
-            const std::vector<int> &t, bool bcd, Tick i);
+            const TsunamiIOParams *params);
 
         /** RTC address port: write address of RTC RAM data to access */
         void writeAddr(const uint8_t data);
@@ -313,23 +311,19 @@ class TsunamiIO : public BasicPioDevice
      */
     Tick frequency() const;
 
-    struct Params : public BasicPioDevice::Params
-    {
-        Tick frequency;
-        Tsunami *tsunami;
-        std::vector<int> init_time;
-        bool year_is_bcd;
-    };
-
-  protected:
-    const Params *params() const { return (const Params*)_params; }
-
   public:
+    typedef TsunamiIOParams Params;
     /**
      * Initialize all the data for devices supported by Tsunami I/O.
      * @param p pointer to Params struct
      */
-    TsunamiIO(Params *p);
+    TsunamiIO(const Params *p);
+
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual Tick read(PacketPtr pkt);
     virtual Tick write(PacketPtr pkt);
diff --git a/src/dev/alpha/tsunami_pchip.cc b/src/dev/alpha/tsunami_pchip.cc
index be164e5b9..83bcf8e65 100644
--- a/src/dev/alpha/tsunami_pchip.cc
+++ b/src/dev/alpha/tsunami_pchip.cc
@@ -43,14 +43,13 @@
 #include "dev/alpha/tsunami.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
 //Should this be AlphaISA?
 using namespace TheISA;
 
-TsunamiPChip::TsunamiPChip(Params *p)
+TsunamiPChip::TsunamiPChip(const Params *p)
 : BasicPioDevice(p)
 {
     pioSize = 0x1000;
@@ -332,36 +331,8 @@ TsunamiPChip::unserialize(Checkpoint *cp, const std::string &section)
 }
 
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiPChip)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-    SimObjectParam<Tsunami *> tsunami;
-
-END_DECLARE_SIM_OBJECT_PARAMS(TsunamiPChip)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiPChip)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(tsunami, "Tsunami")
-
-END_INIT_SIM_OBJECT_PARAMS(TsunamiPChip)
-
-CREATE_SIM_OBJECT(TsunamiPChip)
+TsunamiPChip *
+TsunamiPChipParams::create()
 {
-    TsunamiPChip::Params *p = new TsunamiPChip::Params;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    p->tsunami = tsunami;
-    return new TsunamiPChip(p);
+    return new TsunamiPChip(this);
 }
-
-REGISTER_SIM_OBJECT("TsunamiPChip", TsunamiPChip)
diff --git a/src/dev/alpha/tsunami_pchip.hh b/src/dev/alpha/tsunami_pchip.hh
index 1632a36d4..53050565f 100644
--- a/src/dev/alpha/tsunami_pchip.hh
+++ b/src/dev/alpha/tsunami_pchip.hh
@@ -35,9 +35,10 @@
 #ifndef __TSUNAMI_PCHIP_HH__
 #define __TSUNAMI_PCHIP_HH__
 
-#include "dev/alpha/tsunami.hh"
 #include "base/range.hh"
+#include "dev/alpha/tsunami.hh"
 #include "dev/io_device.hh"
+#include "params/TsunamiPChip.hh"
 
 /**
  * A very simple implementation of the Tsunami PCI interface chips.
@@ -61,19 +62,18 @@ class TsunamiPChip : public BasicPioDevice
     uint64_t tba[4];
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        Tsunami *tsunami;
-    };
-  protected:
-    const Params *params() const { return (const Params*)_params; }
-
-  public:
+    typedef TsunamiPChipParams Params;
     /**
      * Register the PChip with the mmu and init all wsba, wsm, and tba to 0
      * @param p pointer to the parameters struct
      */
-    TsunamiPChip(Params *p);
+    TsunamiPChip(const Params *p);
+
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     /**
      * Translate a PCI bus address to a memory address for DMA.
diff --git a/src/dev/baddev.cc b/src/dev/baddev.cc
index a2d2650cb..6cdee0310 100644
--- a/src/dev/baddev.cc
+++ b/src/dev/baddev.cc
@@ -40,14 +40,14 @@
 #include "dev/baddev.hh"
 #include "dev/platform.hh"
 #include "mem/port.hh"
-#include "sim/builder.hh"
+#include "params/BadDevice.hh"
 #include "sim/system.hh"
 
 using namespace std;
 using namespace TheISA;
 
 BadDevice::BadDevice(Params *p)
-    : BasicPioDevice(p), devname(p->device_name)
+    : BasicPioDevice(p), devname(p->devicename)
 {
     pioSize = 0x10;
 }
@@ -66,36 +66,8 @@ BadDevice::write(PacketPtr pkt)
     M5_DUMMY_RETURN
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
-
-    Param<string> devicename;
-    Param<Addr> pio_addr;
-    SimObjectParam<System *> system;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> pio_latency;
-
-END_DECLARE_SIM_OBJECT_PARAMS(BadDevice)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(BadDevice)
-
-    INIT_PARAM(devicename, "Name of device to error on"),
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000)
-
-END_INIT_SIM_OBJECT_PARAMS(BadDevice)
-
-CREATE_SIM_OBJECT(BadDevice)
+BadDevice *
+BadDeviceParams::create()
 {
-    BadDevice::Params *p = new BadDevice::Params;
-    p->name =getInstanceName();
-    p->platform = platform;
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->system = system;
-    p->device_name = devicename;
-    return new BadDevice(p);
+    return new BadDevice(this);
 }
-
-REGISTER_SIM_OBJECT("BadDevice", BadDevice)
diff --git a/src/dev/baddev.hh b/src/dev/baddev.hh
index 040fff8e5..9cf592c0e 100644
--- a/src/dev/baddev.hh
+++ b/src/dev/baddev.hh
@@ -38,7 +38,7 @@
 
 #include "base/range.hh"
 #include "dev/io_device.hh"
-
+#include "params/BadDevice.hh"
 
 /**
  * BadDevice
@@ -52,12 +52,14 @@ class BadDevice : public BasicPioDevice
     std::string devname;
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        std::string device_name;
-    };
+    typedef BadDeviceParams Params;
+
   protected:
-    const Params *params() const { return (const Params *)_params; }
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
   public:
      /**
diff --git a/src/dev/disk_image.cc b/src/dev/disk_image.cc
index f70d2ccdb..1cccf3a0f 100644
--- a/src/dev/disk_image.cc
+++ b/src/dev/disk_image.cc
@@ -45,7 +45,8 @@
 #include "base/misc.hh"
 #include "base/trace.hh"
 #include "dev/disk_image.hh"
-#include "sim/builder.hh"
+#include "params/CowDiskImage.hh"
+#include "params/RawDiskImage.hh"
 #include "sim/sim_exit.hh"
 #include "sim/byteswap.hh"
 
@@ -143,30 +144,12 @@ RawDiskImage::write(const uint8_t *data, off_t offset)
     return stream.tellp() - pos;
 }
 
-DEFINE_SIM_OBJECT_CLASS_NAME("DiskImage", DiskImage)
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(RawDiskImage)
-
-    Param<string> image_file;
-    Param<bool> read_only;
-
-END_DECLARE_SIM_OBJECT_PARAMS(RawDiskImage)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(RawDiskImage)
-
-    INIT_PARAM(image_file, "disk image file"),
-    INIT_PARAM_DFLT(read_only, "read only image", false)
-
-END_INIT_SIM_OBJECT_PARAMS(RawDiskImage)
-
-
-CREATE_SIM_OBJECT(RawDiskImage)
+RawDiskImage *
+RawDiskImageParams::create()
 {
-    return new RawDiskImage(getInstanceName(), image_file, read_only);
+    return new RawDiskImage(name, image_file, read_only);
 }
 
-REGISTER_SIM_OBJECT("RawDiskImage", RawDiskImage)
-
 ////////////////////////////////////////////////////////////////////////
 //
 // Copy on Write Disk image
@@ -440,33 +423,12 @@ CowDiskImage::unserialize(Checkpoint *cp, const string &section)
     open(cowFilename);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(CowDiskImage)
-
-    SimObjectParam<DiskImage *> child;
-    Param<string> image_file;
-    Param<int> table_size;
-    Param<bool> read_only;
-
-END_DECLARE_SIM_OBJECT_PARAMS(CowDiskImage)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(CowDiskImage)
-
-    INIT_PARAM(child, "child image"),
-    INIT_PARAM_DFLT(image_file, "disk image file", ""),
-    INIT_PARAM_DFLT(table_size, "initial table size", 65536),
-    INIT_PARAM_DFLT(read_only, "don't write back to the copy-on-write file",
-                    true)
-
-END_INIT_SIM_OBJECT_PARAMS(CowDiskImage)
-
-
-CREATE_SIM_OBJECT(CowDiskImage)
+CowDiskImage *
+CowDiskImageParams::create()
 {
     if (((string)image_file).empty())
-        return new CowDiskImage(getInstanceName(), child, table_size);
+        return new CowDiskImage(name, child, table_size);
     else
-        return new CowDiskImage(getInstanceName(), child, table_size,
+        return new CowDiskImage(name, child, table_size,
                                 image_file, read_only);
 }
-
-REGISTER_SIM_OBJECT("CowDiskImage", CowDiskImage)
diff --git a/src/dev/etherbus.cc b/src/dev/etherbus.cc
index cedb3cd4d..3e59229ad 100644
--- a/src/dev/etherbus.cc
+++ b/src/dev/etherbus.cc
@@ -42,7 +42,7 @@
 #include "dev/etherdump.hh"
 #include "dev/etherint.hh"
 #include "dev/etherpkt.hh"
-#include "sim/builder.hh"
+#include "params/EtherBus.hh"
 #include "sim/core.hh"
 
 using namespace std;
@@ -103,25 +103,8 @@ EtherBus::send(EtherInt *sndr, EthPacketPtr &pkt)
     return true;
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherBus)
-
-    Param<bool> loopback;
-    Param<double> speed;
-    SimObjectParam<EtherDump *> packet_dump;
-
-END_DECLARE_SIM_OBJECT_PARAMS(EtherBus)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(EtherBus)
-
-    INIT_PARAM(loopback, "send the packet back to the sending interface"),
-    INIT_PARAM(speed, "bus speed in ticks per byte"),
-    INIT_PARAM(packet_dump, "object to dump network packets to")
-
-END_INIT_SIM_OBJECT_PARAMS(EtherBus)
-
-CREATE_SIM_OBJECT(EtherBus)
+EtherBus *
+EtherBusParams::create()
 {
-    return new EtherBus(getInstanceName(), speed, loopback, packet_dump);
+    return new EtherBus(name, speed, loopback, dump);
 }
-
-REGISTER_SIM_OBJECT("EtherBus", EtherBus)
diff --git a/src/dev/etherdump.cc b/src/dev/etherdump.cc
index 04463f3ee..7dcf1ca97 100644
--- a/src/dev/etherdump.cc
+++ b/src/dev/etherdump.cc
@@ -40,7 +40,7 @@
 #include "base/misc.hh"
 #include "base/output.hh"
 #include "dev/etherdump.hh"
-#include "sim/builder.hh"
+#include "params/EtherDump.hh"
 #include "sim/core.hh"
 
 using std::string;
@@ -116,23 +116,8 @@ EtherDump::dumpPacket(EthPacketPtr &packet)
     stream.flush();
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
-
-    Param<string> file;
-    Param<int> maxlen;
-
-END_DECLARE_SIM_OBJECT_PARAMS(EtherDump)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(EtherDump)
-
-    INIT_PARAM(file, "file to dump packets to"),
-    INIT_PARAM(maxlen, "max portion of packet data to dump")
-
-END_INIT_SIM_OBJECT_PARAMS(EtherDump)
-
-CREATE_SIM_OBJECT(EtherDump)
+EtherDump *
+EtherDumpParams::create()
 {
-    return new EtherDump(getInstanceName(), simout.resolve(file), maxlen);
+    return new EtherDump(name, simout.resolve(file), maxlen);
 }
-
-REGISTER_SIM_OBJECT("EtherDump", EtherDump)
diff --git a/src/dev/etherint.cc b/src/dev/etherint.cc
index 3f81591e9..e9f830702 100644
--- a/src/dev/etherint.cc
+++ b/src/dev/etherint.cc
@@ -30,7 +30,6 @@
 
 #include "dev/etherint.hh"
 #include "base/misc.hh"
-#include "sim/param.hh"
 #include "sim/sim_object.hh"
 
 void
@@ -42,6 +41,3 @@ EtherInt::setPeer(EtherInt *p)
 
     peer = p;
 }
-
-DEFINE_SIM_OBJECT_CLASS_NAME("EtherInt", EtherInt)
-
diff --git a/src/dev/etherlink.cc b/src/dev/etherlink.cc
index 5d30e1744..8c54da678 100644
--- a/src/dev/etherlink.cc
+++ b/src/dev/etherlink.cc
@@ -44,7 +44,7 @@
 #include "dev/etherint.hh"
 #include "dev/etherlink.hh"
 #include "dev/etherpkt.hh"
-#include "sim/builder.hh"
+#include "params/EtherLink.hh"
 #include "sim/serialize.hh"
 #include "sim/system.hh"
 #include "sim/core.hh"
@@ -272,32 +272,8 @@ LinkDelayEvent::createForUnserialize(Checkpoint *cp, const string &section)
 
 REGISTER_SERIALIZEABLE("LinkDelayEvent", LinkDelayEvent)
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
-
-    SimObjectParam<EtherInt *> int1;
-    SimObjectParam<EtherInt *> int2;
-    Param<double> speed;
-    Param<Tick> delay;
-    Param<Tick> delay_var;
-    SimObjectParam<EtherDump *> dump;
-
-END_DECLARE_SIM_OBJECT_PARAMS(EtherLink)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(EtherLink)
-
-    INIT_PARAM(int1, "interface 1"),
-    INIT_PARAM(int2, "interface 2"),
-    INIT_PARAM(speed, "link speed in bits per second"),
-    INIT_PARAM(delay, "transmit delay of packets in us"),
-    INIT_PARAM(delay_var, "Difference in amount of time to traverse wire"),
-    INIT_PARAM(dump, "object to dump network packets to")
-
-END_INIT_SIM_OBJECT_PARAMS(EtherLink)
-
-CREATE_SIM_OBJECT(EtherLink)
+EtherLink *
+EtherLinkParams::create()
 {
-    return new EtherLink(getInstanceName(), int1, int2, speed, delay, delay_var,
-                         dump);
+    return new EtherLink(name, int1, int2, speed, delay, delay_var, dump);
 }
-
-REGISTER_SIM_OBJECT("EtherLink", EtherLink)
diff --git a/src/dev/ethertap.cc b/src/dev/ethertap.cc
index 65089a8b2..0b6ab97fc 100644
--- a/src/dev/ethertap.cc
+++ b/src/dev/ethertap.cc
@@ -50,7 +50,7 @@
 #include "dev/etherint.hh"
 #include "dev/etherpkt.hh"
 #include "dev/ethertap.hh"
-#include "sim/builder.hh"
+#include "params/EtherTap.hh"
 
 using namespace std;
 
@@ -313,28 +313,10 @@ EtherTap::unserialize(Checkpoint *cp, const std::string &section)
 
 //=====================================================================
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(EtherTap)
-
-    SimObjectParam<EtherInt *> peer;
-    SimObjectParam<EtherDump *> dump;
-    Param<unsigned> port;
-    Param<unsigned> bufsz;
-
-END_DECLARE_SIM_OBJECT_PARAMS(EtherTap)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(EtherTap)
-
-    INIT_PARAM_DFLT(peer, "peer interface", NULL),
-    INIT_PARAM_DFLT(dump, "object to dump network packets to", NULL),
-    INIT_PARAM_DFLT(port, "tap port", 3500),
-    INIT_PARAM_DFLT(bufsz, "tap buffer size", 10000)
-
-END_INIT_SIM_OBJECT_PARAMS(EtherTap)
-
-
-CREATE_SIM_OBJECT(EtherTap)
+EtherTap *
+EtherTapParams::create()
 {
-    EtherTap *tap = new EtherTap(getInstanceName(), dump, port, bufsz);
+    EtherTap *tap = new EtherTap(name, dump, port, bufsz);
 
     if (peer) {
         tap->setPeer(peer);
@@ -343,5 +325,3 @@ CREATE_SIM_OBJECT(EtherTap)
 
     return tap;
 }
-
-REGISTER_SIM_OBJECT("EtherTap", EtherTap)
diff --git a/src/dev/i8254xGBe.cc b/src/dev/i8254xGBe.cc
index 7ea4c704b..d75e37a8a 100644
--- a/src/dev/i8254xGBe.cc
+++ b/src/dev/i8254xGBe.cc
@@ -40,17 +40,18 @@
  * @todo really there are multiple dma engines.. we should implement them.
  */
 
+#include <algorithm>
+
 #include "base/inet.hh"
 #include "base/trace.hh"
 #include "dev/i8254xGBe.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
+#include "params/IGbE.hh"
+#include "params/IGbEInt.hh"
 #include "sim/stats.hh"
 #include "sim/system.hh"
 
-#include <algorithm>
-
 using namespace iGbReg;
 using namespace Net;
 
@@ -1446,24 +1447,10 @@ IGbE::unserialize(Checkpoint *cp, const std::string &section)
     rxDescCache.unserialize(cp, csprintf("%s.RxDescCache", section));
 }
 
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(IGbEInt)
-
-    SimObjectParam<EtherInt *> peer;
-    SimObjectParam<IGbE *> device;
-
-END_DECLARE_SIM_OBJECT_PARAMS(IGbEInt)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(IGbEInt)
-
-    INIT_PARAM_DFLT(peer, "peer interface", NULL),
-    INIT_PARAM(device, "Ethernet device of this interface")
-
-END_INIT_SIM_OBJECT_PARAMS(IGbEInt)
-
-CREATE_SIM_OBJECT(IGbEInt)
+IGbEInt *
+IGbEIntParams::create()
 {
-    IGbEInt *dev_int = new IGbEInt(getInstanceName(), device);
+    IGbEInt *dev_int = new IGbEInt(name, device);
 
     EtherInt *p = (EtherInt *)peer;
     if (p) {
@@ -1474,80 +1461,8 @@ CREATE_SIM_OBJECT(IGbEInt)
     return dev_int;
 }
 
-REGISTER_SIM_OBJECT("IGbEInt", IGbEInt)
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(IGbE)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> min_backoff_delay;
-    Param<Tick> max_backoff_delay;
-    SimObjectParam<PciConfigData *> configdata;
-    Param<uint32_t> pci_bus;
-    Param<uint32_t> pci_dev;
-    Param<uint32_t> pci_func;
-    Param<Tick> pio_latency;
-    Param<Tick> config_latency;
-    Param<std::string> hardware_address;
-    Param<bool> use_flow_control;
-    Param<int> rx_fifo_size;
-    Param<int> tx_fifo_size;
-    Param<int> rx_desc_cache_size;
-    Param<int> tx_desc_cache_size;
-    Param<Tick> clock;
-
-
-END_DECLARE_SIM_OBJECT_PARAMS(IGbE)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(IGbE)
-
-    INIT_PARAM(system, "System pointer"),
-    INIT_PARAM(platform, "Platform pointer"),
-    INIT_PARAM(min_backoff_delay, "Minimum delay after receving a nack packed"),
-    INIT_PARAM(max_backoff_delay, "Maximum delay after receving a nack packed"),
-    INIT_PARAM(configdata, "PCI Config data"),
-    INIT_PARAM(pci_bus, "PCI bus ID"),
-    INIT_PARAM(pci_dev, "PCI device number"),
-    INIT_PARAM(pci_func, "PCI function code"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
-    INIT_PARAM(config_latency, "Number of cycles for a config read or write"),
-    INIT_PARAM(hardware_address, "Ethernet Hardware Address"),
-    INIT_PARAM(use_flow_control,"Should the device use xon/off packets"),
-    INIT_PARAM(rx_fifo_size,"Size of the RX FIFO"),
-    INIT_PARAM(tx_fifo_size,"Size of the TX FIFO"),
-    INIT_PARAM(rx_desc_cache_size,"Size of the RX descriptor cache"),
-    INIT_PARAM(tx_desc_cache_size,"Size of the TX descriptor cache"),
-    INIT_PARAM(clock,"Clock rate for the device to tick at")
-
-END_INIT_SIM_OBJECT_PARAMS(IGbE)
-
-
-CREATE_SIM_OBJECT(IGbE)
+IGbE *
+IGbEParams::create()
 {
-    IGbE::Params *params = new IGbE::Params;
-
-    params->name = getInstanceName();
-    params->platform = platform;
-    params->system = system;
-    params->min_backoff_delay = min_backoff_delay;
-    params->max_backoff_delay = max_backoff_delay;
-    params->configData = configdata;
-    params->busNum = pci_bus;
-    params->deviceNum = pci_dev;
-    params->functionNum = pci_func;
-    params->pio_delay = pio_latency;
-    params->config_delay = config_latency;
-    params->hardware_address = hardware_address;
-    params->use_flow_control = use_flow_control;
-    params->rx_fifo_size = rx_fifo_size;
-    params->tx_fifo_size = tx_fifo_size;
-    params->rx_desc_cache_size = rx_desc_cache_size;
-    params->tx_desc_cache_size = tx_desc_cache_size;
-    params->clock = clock;
-
-
-    return new IGbE(params);
+    return new IGbE(this);
 }
-
-REGISTER_SIM_OBJECT("IGbE", IGbE)
diff --git a/src/dev/i8254xGBe.hh b/src/dev/i8254xGBe.hh
index b6da53b09..caffb8c4d 100644
--- a/src/dev/i8254xGBe.hh
+++ b/src/dev/i8254xGBe.hh
@@ -45,6 +45,7 @@
 #include "dev/i8254xGBe_defs.hh"
 #include "dev/pcidev.hh"
 #include "dev/pktfifo.hh"
+#include "params/IGbE.hh"
 #include "sim/eventq.hh"
 
 class IGbEInt;
@@ -585,19 +586,14 @@ class IGbE : public PciDev
     TxDescCache txDescCache;
 
   public:
-    struct Params : public PciDev::Params
+    typedef IGbEParams Params;
+    const Params *
+    params() const
     {
-        Net::EthAddr hardware_address;
-        bool use_flow_control;
-        int rx_fifo_size;
-        int tx_fifo_size;
-        int rx_desc_cache_size;
-        int tx_desc_cache_size;
-        Tick clock;
-    };
-
+        return dynamic_cast<const Params *>(_params);
+    }
     IGbE(Params *params);
-    ~IGbE() {;}
+    ~IGbE() {}
 
     Tick clock;
     inline Tick cycles(int numCycles) const { return numCycles * clock; }
@@ -612,9 +608,6 @@ class IGbE : public PciDev
 
     void setEthInt(IGbEInt *i) { assert(!etherInt); etherInt = i; }
 
-
-    const Params *params() const {return (const Params *)_params; }
-
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
     virtual unsigned int drain(Event *de);
diff --git a/src/dev/ide_ctrl.cc b/src/dev/ide_ctrl.cc
index 07764aaba..6d7f1baf1 100644
--- a/src/dev/ide_ctrl.cc
+++ b/src/dev/ide_ctrl.cc
@@ -44,7 +44,7 @@
 #include "dev/platform.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
+#include "params/IdeController.hh"
 #include "sim/sim_object.hh"
 #include "sim/byteswap.hh"
 
@@ -746,58 +746,8 @@ IdeController::unserialize(Checkpoint *cp, const std::string &section)
                       sizeof(cmd_in_progress) / sizeof(cmd_in_progress[0]));
 }
 
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeController)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> min_backoff_delay;
-    Param<Tick> max_backoff_delay;
-    SimObjectParam<PciConfigData *> configdata;
-    Param<uint32_t> pci_bus;
-    Param<uint32_t> pci_dev;
-    Param<uint32_t> pci_func;
-    Param<Tick> pio_latency;
-    Param<Tick> config_latency;
-    SimObjectVectorParam<IdeDisk *> disks;
-
-END_DECLARE_SIM_OBJECT_PARAMS(IdeController)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(IdeController)
-
-    INIT_PARAM(system, "System pointer"),
-    INIT_PARAM(platform, "Platform pointer"),
-    INIT_PARAM(min_backoff_delay, "Minimum delay after receving a nack packed"),
-    INIT_PARAM(max_backoff_delay, "Maximum delay after receving a nack packed"),
-    INIT_PARAM(configdata, "PCI Config data"),
-    INIT_PARAM(pci_bus, "PCI bus ID"),
-    INIT_PARAM(pci_dev, "PCI device number"),
-    INIT_PARAM(pci_func, "PCI function code"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
-    INIT_PARAM(config_latency, "Number of cycles for a config read or write"),
-    INIT_PARAM(disks, "IDE disks attached to this controller")
-
-END_INIT_SIM_OBJECT_PARAMS(IdeController)
-
-CREATE_SIM_OBJECT(IdeController)
+IdeController *
+IdeControllerParams::create()
 {
-    IdeController::Params *params = new IdeController::Params;
-    params->name = getInstanceName();
-    params->platform = platform;
-    params->system = system;
-    params->min_backoff_delay = min_backoff_delay;
-    params->max_backoff_delay = max_backoff_delay;
-    params->configData = configdata;
-    params->busNum = pci_bus;
-    params->deviceNum = pci_dev;
-    params->functionNum = pci_func;
-    params->pio_delay = pio_latency;
-    params->config_delay = config_latency;
-    params->disks = disks;
-    return new IdeController(params);
+    return new IdeController(this);
 }
-
-REGISTER_SIM_OBJECT("IdeController", IdeController)
-
-#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/dev/ide_ctrl.hh b/src/dev/ide_ctrl.hh
index 291446d1c..f22d83e9c 100644
--- a/src/dev/ide_ctrl.hh
+++ b/src/dev/ide_ctrl.hh
@@ -40,6 +40,7 @@
 #include "dev/pcidev.hh"
 #include "dev/pcireg.h"
 #include "dev/io_device.hh"
+#include "params/IdeController.hh"
 
 #define BMIC0    0x0  // Bus master IDE command register
 #define BMIS0    0x2  // Bus master IDE status register
@@ -193,14 +194,8 @@ class IdeController : public PciDev
     bool isDiskSelected(IdeDisk *diskPtr);
 
   public:
-    struct Params : public PciDev::Params
-    {
-        /** Array of disk objects */
-        std::vector<IdeDisk *> disks;
-    };
+    typedef IdeControllerParams Params;
     const Params *params() const { return (const Params *)_params; }
-
-  public:
     IdeController(Params *p);
     ~IdeController();
 
diff --git a/src/dev/ide_disk.cc b/src/dev/ide_disk.cc
index 9fa0cedde..cfd743a13 100644
--- a/src/dev/ide_disk.cc
+++ b/src/dev/ide_disk.cc
@@ -38,18 +38,16 @@
 #include <deque>
 #include <string>
 
+#include "arch/isa_traits.hh"
 #include "base/chunk_generator.hh"
 #include "base/cprintf.hh" // csprintf
 #include "base/trace.hh"
 #include "dev/disk_image.hh"
-#include "dev/ide_disk.hh"
 #include "dev/ide_ctrl.hh"
-#include "dev/alpha/tsunami.hh"
-#include "dev/alpha/tsunami_pchip.hh"
-#include "sim/builder.hh"
-#include "sim/sim_object.hh"
+#include "dev/ide_disk.hh"
+#include "params/IdeDisk.hh"
 #include "sim/core.hh"
-#include "arch/isa_traits.hh"
+#include "sim/sim_object.hh"
 
 using namespace std;
 using namespace TheISA;
@@ -1116,32 +1114,8 @@ IdeDisk::unserialize(Checkpoint *cp, const string &section)
     UNSERIALIZE_ARRAY(dataBuffer, MAX_DMA_SIZE);
 }
 
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
-
-enum DriveID { master, slave };
-static const char *DriveID_strings[] = { "master", "slave" };
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
-
-    SimObjectParam<DiskImage *> image;
-    SimpleEnumParam<DriveID> driveID;
-    Param<int> delay;
-
-END_DECLARE_SIM_OBJECT_PARAMS(IdeDisk)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(IdeDisk)
-
-    INIT_PARAM(image, "Disk image"),
-    INIT_ENUM_PARAM(driveID, "Drive ID (0=master 1=slave)", DriveID_strings),
-    INIT_PARAM_DFLT(delay, "Fixed disk delay in microseconds", 1)
-
-END_INIT_SIM_OBJECT_PARAMS(IdeDisk)
-
-
-CREATE_SIM_OBJECT(IdeDisk)
+IdeDisk *
+IdeDiskParams::create()
 {
-    return new IdeDisk(getInstanceName(), image, driveID, delay);
+    return new IdeDisk(name, image, driveID, delay);
 }
-
-REGISTER_SIM_OBJECT("IdeDisk", IdeDisk)
-
-#endif //DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc
index 85d78ee8d..527397ed8 100644
--- a/src/dev/io_device.cc
+++ b/src/dev/io_device.cc
@@ -32,7 +32,6 @@
 #include "base/chunk_generator.hh"
 #include "base/trace.hh"
 #include "dev/io_device.hh"
-#include "sim/builder.hh"
 #include "sim/system.hh"
 
 
@@ -55,6 +54,10 @@ PioPort::getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
 }
 
 
+PioDevice::PioDevice(const Params *p)
+    : MemObject(p), platform(p->platform), sys(p->system), pioPort(NULL)
+{}
+
 PioDevice::~PioDevice()
 {
     if (pioPort)
@@ -82,6 +85,11 @@ PioDevice::drain(Event *de)
     return count;
 }
 
+BasicPioDevice::BasicPioDevice(const Params *p)
+    : PioDevice(p), pioAddr(p->pio_addr), pioSize(0),
+      pioDelay(p->pio_latency)
+{}
+
 void
 BasicPioDevice::addressRanges(AddrRangeList &range_list)
 {
@@ -147,7 +155,7 @@ DmaPort::recvTiming(PacketPtr pkt)
     return true;
 }
 
-DmaDevice::DmaDevice(Params *p)
+DmaDevice::DmaDevice(const Params *p)
     : PioDevice(p), dmaPort(NULL), minBackoffDelay(p->min_backoff_delay),
       maxBackoffDelay(p->max_backoff_delay)
 { }
@@ -260,8 +268,8 @@ DmaPort::sendDma()
     assert(transmitList.size());
     PacketPtr pkt = transmitList.front();
 
-    System::MemoryMode state = sys->getMemoryMode();
-    if (state == System::Timing) {
+    Enums::MemoryMode state = sys->getMemoryMode();
+    if (state == Enums::timing) {
         if (backoffEvent.scheduled() || inRetry) {
             DPRINTF(DMA, "Can't send immediately, waiting for retry or backoff timer\n");
             return;
@@ -288,7 +296,7 @@ DmaPort::sendDma()
                     backoffTime+curTick);
             backoffEvent.schedule(backoffTime+curTick);
         }
-    } else if (state == System::Atomic) {
+    } else if (state == Enums::atomic) {
         transmitList.pop_front();
 
         Tick lat;
@@ -328,5 +336,3 @@ DmaDevice::~DmaDevice()
     if (dmaPort)
         delete dmaPort;
 }
-
-
diff --git a/src/dev/io_device.hh b/src/dev/io_device.hh
index 25bd2de8d..e65400ca2 100644
--- a/src/dev/io_device.hh
+++ b/src/dev/io_device.hh
@@ -35,6 +35,9 @@
 #include "mem/mem_object.hh"
 #include "mem/packet.hh"
 #include "mem/tport.hh"
+#include "params/BasicPioDevice.hh"
+#include "params/DmaDevice.hh"
+#include "params/PioDevice.hh"
 #include "sim/sim_object.hh"
 
 class Event;
@@ -186,29 +189,16 @@ class PioDevice : public MemObject
     virtual Tick write(PacketPtr pkt) = 0;
 
   public:
-    /** Params struct which is extended through each device based on
-     * the parameters it needs. Since we are re-writing everything, we
-     * might as well start from the bottom this time. */
-    struct Params
-    {
-        std::string name;
-        Platform *platform;
-        System *system;
-    };
-
-  protected:
-    Params *_params;
-
-  public:
-    const Params *params() const { return _params; }
-
-    PioDevice(Params *p)
-              : MemObject(p->name),  platform(p->platform), sys(p->system),
-              pioPort(NULL), _params(p)
-              {}
-
+    typedef PioDeviceParams Params;
+    PioDevice(const Params *p);
     virtual ~PioDevice();
 
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
+
     virtual void init();
 
     virtual unsigned int drain(Event *de);
@@ -229,13 +219,6 @@ class PioDevice : public MemObject
 
 class BasicPioDevice : public PioDevice
 {
-  public:
-    struct Params :  public PioDevice::Params
-    {
-        Addr pio_addr;
-        Tick pio_delay;
-    };
-
   protected:
     /** Address that the device listens to. */
     Addr pioAddr;
@@ -247,10 +230,14 @@ class BasicPioDevice : public PioDevice
     Tick pioDelay;
 
   public:
-    BasicPioDevice(Params *p)
-        : PioDevice(p), pioAddr(p->pio_addr), pioSize(0),
-          pioDelay(p->pio_delay)
-    {}
+    typedef BasicPioDeviceParams Params;
+    BasicPioDevice(const Params *p);
+
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     /** return the address ranges that this device responds to.
      * @param range_list range list to populate with ranges
@@ -261,22 +248,22 @@ class BasicPioDevice : public PioDevice
 
 class DmaDevice : public PioDevice
 {
-  public:
-    struct Params :  public PioDevice::Params
-    {
-        Tick min_backoff_delay;
-        Tick max_backoff_delay;
-    };
-
    protected:
     DmaPort *dmaPort;
     Tick minBackoffDelay;
     Tick maxBackoffDelay;
 
   public:
-    DmaDevice(Params *p);
+    typedef DmaDeviceParams Params;
+    DmaDevice(const Params *p);
     virtual ~DmaDevice();
 
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
+
     void dmaWrite(Addr addr, int size, Event *event, uint8_t *data)
     {
         dmaPort->dmaAction(MemCmd::WriteInvalidateReq,
diff --git a/src/dev/isa_fake.cc b/src/dev/isa_fake.cc
index 5cd0afb36..9d62aecba 100644
--- a/src/dev/isa_fake.cc
+++ b/src/dev/isa_fake.cc
@@ -36,7 +36,6 @@
 #include "dev/isa_fake.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
@@ -44,23 +43,23 @@ using namespace std;
 IsaFake::IsaFake(Params *p)
     : BasicPioDevice(p)
 {
-    if (!params()->retBadAddr)
+    if (!p->ret_bad_addr)
         pioSize = p->pio_size;
 
-    retData8 = params()->retData8;
-    retData16 = params()->retData16;
-    retData32 = params()->retData32;
-    retData64 = params()->retData64;
+    retData8 = p->ret_data8;
+    retData16 = p->ret_data16;
+    retData32 = p->ret_data32;
+    retData64 = p->ret_data64;
 }
 
 Tick
 IsaFake::read(PacketPtr pkt)
 {
 
-    if (params()->warnAccess != "")
+    if (params()->warn_access != "")
         warn("Device %s accessed by read to address %#x size=%d\n",
                 name(), pkt->getAddr(), pkt->getSize());
-    if (params()->retBadAddr) {
+    if (params()->ret_bad_addr) {
         DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n",
                 pkt->getAddr(), pkt->getSize());
         pkt->setBadAddress();
@@ -92,7 +91,7 @@ IsaFake::read(PacketPtr pkt)
 Tick
 IsaFake::write(PacketPtr pkt)
 {
-    if (params()->warnAccess != "") {
+    if (params()->warn_access != "") {
         uint64_t data;
         switch (pkt->getSize()) {
           case sizeof(uint64_t):
@@ -113,7 +112,7 @@ IsaFake::write(PacketPtr pkt)
         warn("Device %s accessed by write to address %#x size=%d data=%#x\n",
                 name(), pkt->getAddr(), pkt->getSize(), data);
     }
-    if (params()->retBadAddr) {
+    if (params()->ret_bad_addr) {
         DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n",
                 pkt->getAddr(), pkt->getSize());
         pkt->setBadAddress();
@@ -121,7 +120,7 @@ IsaFake::write(PacketPtr pkt)
         DPRINTF(Tsunami, "write - va=%#x size=%d \n",
                 pkt->getAddr(), pkt->getSize());
 
-        if (params()->updateData) {
+        if (params()->update_data) {
             switch (pkt->getSize()) {
               case sizeof(uint64_t):
                 retData64 = pkt->get<uint64_t>();
@@ -144,57 +143,8 @@ IsaFake::write(PacketPtr pkt)
     return pioDelay;
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    Param<Addr> pio_size;
-    Param<bool> ret_bad_addr;
-    Param<bool> update_data;
-    Param<std::string> warn_access;
-    Param<uint8_t> ret_data8;
-    Param<uint16_t> ret_data16;
-    Param<uint32_t> ret_data32;
-    Param<uint64_t> ret_data64;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-
-END_DECLARE_SIM_OBJECT_PARAMS(IsaFake)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(IsaFake)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(pio_size, "Size of address range"),
-    INIT_PARAM(ret_bad_addr, "Return pkt status BadAddr"),
-    INIT_PARAM(update_data, "Update returned data"),
-    INIT_PARAM(warn_access, "Warn if this device is touched"),
-    INIT_PARAM(ret_data8, "Data to return if not bad addr"),
-    INIT_PARAM(ret_data16, "Data to return if not bad addr"),
-    INIT_PARAM(ret_data32, "Data to return if not bad addr"),
-    INIT_PARAM(ret_data64, "Data to return if not bad addr"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object")
-
-END_INIT_SIM_OBJECT_PARAMS(IsaFake)
-
-CREATE_SIM_OBJECT(IsaFake)
+IsaFake *
+IsaFakeParams::create()
 {
-    IsaFake::Params *p = new IsaFake::Params;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->pio_size = pio_size;
-    p->retBadAddr = ret_bad_addr;
-    p->updateData = update_data;
-    p->warnAccess = warn_access;
-    p->retData8= ret_data8;
-    p->retData16 = ret_data16;
-    p->retData32 = ret_data32;
-    p->retData64 = ret_data64;
-    p->platform = platform;
-    p->system = system;
-    return new IsaFake(p);
+    return new IsaFake(this);
 }
-
-REGISTER_SIM_OBJECT("IsaFake", IsaFake)
diff --git a/src/dev/isa_fake.hh b/src/dev/isa_fake.hh
index dc2ad48e8..5f54b1af3 100644
--- a/src/dev/isa_fake.hh
+++ b/src/dev/isa_fake.hh
@@ -35,13 +35,14 @@
 #ifndef __ISA_FAKE_HH__
 #define __ISA_FAKE_HH__
 
+#include <string>
+
 #include "base/range.hh"
 #include "dev/io_device.hh"
 #include "dev/alpha/tsunami.hh"
+#include "params/IsaFake.hh"
 #include "mem/packet.hh"
 
-#include <string>
-
 /**
  * IsaFake is a device that returns, BadAddr, 1 or 0 on all reads and
  *  rites. It is meant to be placed at an address range
@@ -51,27 +52,19 @@
  */
 class IsaFake : public BasicPioDevice
 {
-  public:
-    struct Params : public BasicPioDevice::Params
-    {
-        Addr pio_size;
-        bool retBadAddr;
-        bool updateData;
-        uint8_t retData8;
-        uint16_t retData16;
-        uint32_t retData32;
-        uint64_t retData64;
-        std::string warnAccess;
-    };
   protected:
-    const Params *params() const { return (const Params*)_params; }
     uint8_t retData8;
     uint16_t retData16;
     uint32_t retData32;
     uint64_t retData64;
 
-
   public:
+    typedef IsaFakeParams Params;
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
     /**
       * The constructor for Tsunmami Fake just registers itself with the MMU.
       * @param p params structure
diff --git a/src/dev/ns_gige.cc b/src/dev/ns_gige.cc
index 17f7b433b..28e1100ae 100644
--- a/src/dev/ns_gige.cc
+++ b/src/dev/ns_gige.cc
@@ -43,7 +43,8 @@
 #include "dev/pciconfigall.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
+#include "params/NSGigE.hh"
+#include "params/NSGigEInt.hh"
 #include "sim/debug.hh"
 #include "sim/host.hh"
 #include "sim/stats.hh"
@@ -118,7 +119,7 @@ NSGigE::NSGigE(Params *p)
 
 
     regsReset();
-    memcpy(&rom.perfectMatch, p->eaddr.bytes(), ETH_ADDR_LEN);
+    memcpy(&rom.perfectMatch, p->hardware_address.bytes(), ETH_ADDR_LEN);
 
     memset(&rxDesc32, 0, sizeof(rxDesc32));
     memset(&txDesc32, 0, sizeof(txDesc32));
@@ -2773,23 +2774,10 @@ NSGigE::unserialize(Checkpoint *cp, const std::string &section)
     }
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(NSGigEInt)
-
-    SimObjectParam<EtherInt *> peer;
-    SimObjectParam<NSGigE *> device;
-
-END_DECLARE_SIM_OBJECT_PARAMS(NSGigEInt)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(NSGigEInt)
-
-    INIT_PARAM_DFLT(peer, "peer interface", NULL),
-    INIT_PARAM(device, "Ethernet device of this interface")
-
-END_INIT_SIM_OBJECT_PARAMS(NSGigEInt)
-
-CREATE_SIM_OBJECT(NSGigEInt)
+NSGigEInt *
+NSGigEIntParams::create()
 {
-    NSGigEInt *dev_int = new NSGigEInt(getInstanceName(), device);
+    NSGigEInt *dev_int = new NSGigEInt(name, device);
 
     EtherInt *p = (EtherInt *)peer;
     if (p) {
@@ -2800,121 +2788,8 @@ CREATE_SIM_OBJECT(NSGigEInt)
     return dev_int;
 }
 
-REGISTER_SIM_OBJECT("NSGigEInt", NSGigEInt)
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(NSGigE)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> min_backoff_delay;
-    Param<Tick> max_backoff_delay;
-    SimObjectParam<PciConfigData *> configdata;
-    Param<uint32_t> pci_bus;
-    Param<uint32_t> pci_dev;
-    Param<uint32_t> pci_func;
-    Param<Tick> pio_latency;
-    Param<Tick> config_latency;
-
-    Param<Tick> clock;
-    Param<bool> dma_desc_free;
-    Param<bool> dma_data_free;
-    Param<Tick> dma_read_delay;
-    Param<Tick> dma_write_delay;
-    Param<Tick> dma_read_factor;
-    Param<Tick> dma_write_factor;
-    Param<bool> dma_no_allocate;
-    Param<Tick> intr_delay;
-
-    Param<Tick> rx_delay;
-    Param<Tick> tx_delay;
-    Param<uint32_t> rx_fifo_size;
-    Param<uint32_t> tx_fifo_size;
-
-    Param<bool> rx_filter;
-    Param<string> hardware_address;
-    Param<bool> rx_thread;
-    Param<bool> tx_thread;
-    Param<bool> rss;
-
-END_DECLARE_SIM_OBJECT_PARAMS(NSGigE)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(NSGigE)
-
-    INIT_PARAM(system, "System pointer"),
-    INIT_PARAM(platform, "Platform pointer"),
-    INIT_PARAM(min_backoff_delay, "Minimum delay after receving a nack packed"),
-    INIT_PARAM(max_backoff_delay, "Maximum delay after receving a nack packed"),
-    INIT_PARAM(configdata, "PCI Config data"),
-    INIT_PARAM(pci_bus, "PCI bus ID"),
-    INIT_PARAM(pci_dev, "PCI device number"),
-    INIT_PARAM(pci_func, "PCI function code"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
-    INIT_PARAM(config_latency, "Number of cycles for a config read or write"),
-    INIT_PARAM(clock, "State machine cycle time"),
-
-    INIT_PARAM(dma_desc_free, "DMA of Descriptors is free"),
-    INIT_PARAM(dma_data_free, "DMA of Data is free"),
-    INIT_PARAM(dma_read_delay, "fixed delay for dma reads"),
-    INIT_PARAM(dma_write_delay, "fixed delay for dma writes"),
-    INIT_PARAM(dma_read_factor, "multiplier for dma reads"),
-    INIT_PARAM(dma_write_factor, "multiplier for dma writes"),
-    INIT_PARAM(dma_no_allocate, "Should DMA reads allocate cache lines"),
-    INIT_PARAM(intr_delay, "Interrupt Delay in microseconds"),
-
-    INIT_PARAM(rx_delay, "Receive Delay"),
-    INIT_PARAM(tx_delay, "Transmit Delay"),
-    INIT_PARAM(rx_fifo_size, "max size in bytes of rxFifo"),
-    INIT_PARAM(tx_fifo_size, "max size in bytes of txFifo"),
-
-    INIT_PARAM(rx_filter, "Enable Receive Filter"),
-    INIT_PARAM(hardware_address, "Ethernet Hardware Address"),
-    INIT_PARAM(rx_thread, ""),
-    INIT_PARAM(tx_thread, ""),
-    INIT_PARAM(rss, "")
-
-END_INIT_SIM_OBJECT_PARAMS(NSGigE)
-
-
-CREATE_SIM_OBJECT(NSGigE)
+NSGigE *
+NSGigEParams::create()
 {
-    NSGigE::Params *params = new NSGigE::Params;
-
-    params->name = getInstanceName();
-    params->platform = platform;
-    params->system = system;
-    params->min_backoff_delay = min_backoff_delay;
-    params->max_backoff_delay = max_backoff_delay;
-    params->configData = configdata;
-    params->busNum = pci_bus;
-    params->deviceNum = pci_dev;
-    params->functionNum = pci_func;
-    params->pio_delay = pio_latency;
-    params->config_delay = config_latency;
-
-    params->clock = clock;
-    params->dma_desc_free = dma_desc_free;
-    params->dma_data_free = dma_data_free;
-    params->dma_read_delay = dma_read_delay;
-    params->dma_write_delay = dma_write_delay;
-    params->dma_read_factor = dma_read_factor;
-    params->dma_write_factor = dma_write_factor;
-    params->dma_no_allocate = dma_no_allocate;
-    params->pio_delay = pio_latency;
-    params->intr_delay = intr_delay;
-
-    params->rx_delay = rx_delay;
-    params->tx_delay = tx_delay;
-    params->rx_fifo_size = rx_fifo_size;
-    params->tx_fifo_size = tx_fifo_size;
-
-    params->rx_filter = rx_filter;
-    params->eaddr = hardware_address;
-    params->rx_thread = rx_thread;
-    params->tx_thread = tx_thread;
-    params->rss = rss;
-
-    return new NSGigE(params);
+    return new NSGigE(this);
 }
-
-REGISTER_SIM_OBJECT("NSGigE", NSGigE)
diff --git a/src/dev/ns_gige.hh b/src/dev/ns_gige.hh
index a40fe3b29..de18571d6 100644
--- a/src/dev/ns_gige.hh
+++ b/src/dev/ns_gige.hh
@@ -45,6 +45,7 @@
 #include "dev/ns_gige_reg.h"
 #include "dev/pcidev.hh"
 #include "dev/pktfifo.hh"
+#include "params/NSGigE.hh"
 #include "sim/eventq.hh"
 
 // Hash filtering constants
@@ -349,31 +350,10 @@ class NSGigE : public PciDev
     NSGigEInt *interface;
 
   public:
-    struct Params : public PciDev::Params
-    {
-        Tick clock;
-        Tick intr_delay;
-        Tick tx_delay;
-        Tick rx_delay;
-        bool dma_desc_free;
-        bool dma_data_free;
-        Tick dma_read_delay;
-        Tick dma_write_delay;
-        Tick dma_read_factor;
-        Tick dma_write_factor;
-        bool rx_filter;
-        Net::EthAddr eaddr;
-        uint32_t tx_fifo_size;
-        uint32_t rx_fifo_size;
-        bool rx_thread;
-        bool tx_thread;
-        bool rss;
-        bool dma_no_allocate;
-    };
-
+    typedef NSGigEParams Params;
+    const Params *params() const { return (const Params *)_params; }
     NSGigE(Params *params);
     ~NSGigE();
-    const Params *params() const { return (const Params *)_params; }
 
     virtual Tick writeConfig(PacketPtr pkt);
 
diff --git a/src/dev/pciconfigall.cc b/src/dev/pciconfigall.cc
index b07ee1a49..884fab7ac 100644
--- a/src/dev/pciconfigall.cc
+++ b/src/dev/pciconfigall.cc
@@ -39,7 +39,7 @@
 #include "dev/platform.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
+#include "params/PciConfigAll.hh"
 #include "sim/system.hh"
 
 using namespace std;
@@ -95,27 +95,8 @@ PciConfigAll::addressRanges(AddrRangeList &range_list)
 
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(PciConfigAll)
-
-    Param<Tick> pio_latency;
-    Param<int> bus;
-    Param<Addr> size;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-
-END_DECLARE_SIM_OBJECT_PARAMS(PciConfigAll)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(PciConfigAll)
-
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(bus, "Bus that this object handles config space for"),
-    INIT_PARAM(size, "The size of config space"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object")
-
-END_INIT_SIM_OBJECT_PARAMS(PciConfigAll)
-
-CREATE_SIM_OBJECT(PciConfigAll)
+PciConfigAll *
+PciConfigAllParams::create()
 {
     PciConfigAll::Params *p = new PciConfigAll::Params;
     p->pio_delay = pio_latency;
@@ -127,6 +108,4 @@ CREATE_SIM_OBJECT(PciConfigAll)
     return new PciConfigAll(p);
 }
 
-REGISTER_SIM_OBJECT("PciConfigAll", PciConfigAll)
-
 #endif // DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/dev/pcidev.cc b/src/dev/pcidev.cc
index 06806f841..9efee2835 100644
--- a/src/dev/pcidev.cc
+++ b/src/dev/pcidev.cc
@@ -48,9 +48,8 @@
 #include "dev/alpha/tsunamireg.h"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
+#include "params/PciConfigData.hh"
 #include "sim/byteswap.hh"
-#include "sim/param.hh"
 #include "sim/core.hh"
 
 using namespace std;
@@ -83,8 +82,8 @@ PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp,
 
 
 PciDev::PciDev(Params *p)
-    : DmaDevice(p), plat(p->platform), configData(p->configData),
-      pioDelay(p->pio_delay), configDelay(p->config_delay),
+    : DmaDevice(p), plat(p->platform), configData(p->configdata),
+      pioDelay(p->pio_latency), configDelay(p->config_latency),
       configPort(NULL)
 {
     // copy the config data from the PciConfigData object
@@ -96,7 +95,7 @@ PciDev::PciDev(Params *p)
 
     memset(BARAddrs, 0, sizeof(BARAddrs));
 
-    plat->registerPciDevice(0, p->deviceNum, p->functionNum,
+    plat->registerPciDevice(0, p->pci_dev, p->pci_func,
             letoh(configData->config.interruptLine));
 }
 
@@ -135,21 +134,21 @@ PciDev::readConfig(PacketPtr pkt)
         pkt->set<uint8_t>(config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint8_t>());
         break;
       case sizeof(uint16_t):
         pkt->set<uint16_t>(*(uint16_t*)&config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint16_t>());
         break;
       case sizeof(uint32_t):
         pkt->set<uint32_t>(*(uint32_t*)&config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint32_t>());
         break;
       default:
@@ -199,7 +198,7 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint8_t>());
         break;
       case sizeof(uint16_t):
@@ -216,7 +215,7 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint16_t>());
         break;
       case sizeof(uint32_t):
@@ -276,7 +275,7 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint32_t>());
         break;
       default:
@@ -305,113 +304,38 @@ PciDev::unserialize(Checkpoint *cp, const std::string &section)
 
 }
 
-#ifndef DOXYGEN_SHOULD_SKIP_THIS
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(PciConfigData)
-
-    Param<uint16_t> VendorID;
-    Param<uint16_t> DeviceID;
-    Param<uint16_t> Command;
-    Param<uint16_t> Status;
-    Param<uint8_t> Revision;
-    Param<uint8_t> ProgIF;
-    Param<uint8_t> SubClassCode;
-    Param<uint8_t> ClassCode;
-    Param<uint8_t> CacheLineSize;
-    Param<uint8_t> LatencyTimer;
-    Param<uint8_t> HeaderType;
-    Param<uint8_t> BIST;
-    Param<uint32_t> BAR0;
-    Param<uint32_t> BAR1;
-    Param<uint32_t> BAR2;
-    Param<uint32_t> BAR3;
-    Param<uint32_t> BAR4;
-    Param<uint32_t> BAR5;
-    Param<uint32_t> CardbusCIS;
-    Param<uint16_t> SubsystemVendorID;
-    Param<uint16_t> SubsystemID;
-    Param<uint32_t> ExpansionROM;
-    Param<uint8_t> InterruptLine;
-    Param<uint8_t> InterruptPin;
-    Param<uint8_t> MinimumGrant;
-    Param<uint8_t> MaximumLatency;
-    Param<uint32_t> BAR0Size;
-    Param<uint32_t> BAR1Size;
-    Param<uint32_t> BAR2Size;
-    Param<uint32_t> BAR3Size;
-    Param<uint32_t> BAR4Size;
-    Param<uint32_t> BAR5Size;
-
-END_DECLARE_SIM_OBJECT_PARAMS(PciConfigData)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(PciConfigData)
-
-    INIT_PARAM(VendorID, "Vendor ID"),
-    INIT_PARAM(DeviceID, "Device ID"),
-    INIT_PARAM_DFLT(Command, "Command Register", 0x00),
-    INIT_PARAM_DFLT(Status, "Status Register", 0x00),
-    INIT_PARAM_DFLT(Revision, "Device Revision", 0x00),
-    INIT_PARAM_DFLT(ProgIF, "Programming Interface", 0x00),
-    INIT_PARAM(SubClassCode, "Sub-Class Code"),
-    INIT_PARAM(ClassCode, "Class Code"),
-    INIT_PARAM_DFLT(CacheLineSize, "System Cacheline Size", 0x00),
-    INIT_PARAM_DFLT(LatencyTimer, "PCI Latency Timer", 0x00),
-    INIT_PARAM_DFLT(HeaderType, "PCI Header Type", 0x00),
-    INIT_PARAM_DFLT(BIST, "Built In Self Test", 0x00),
-    INIT_PARAM_DFLT(BAR0, "Base Address Register 0", 0x00),
-    INIT_PARAM_DFLT(BAR1, "Base Address Register 1", 0x00),
-    INIT_PARAM_DFLT(BAR2, "Base Address Register 2", 0x00),
-    INIT_PARAM_DFLT(BAR3, "Base Address Register 3", 0x00),
-    INIT_PARAM_DFLT(BAR4, "Base Address Register 4", 0x00),
-    INIT_PARAM_DFLT(BAR5, "Base Address Register 5", 0x00),
-    INIT_PARAM_DFLT(CardbusCIS, "Cardbus Card Information Structure", 0x00),
-    INIT_PARAM_DFLT(SubsystemVendorID, "Subsystem Vendor ID", 0x00),
-    INIT_PARAM_DFLT(SubsystemID, "Subsystem ID", 0x00),
-    INIT_PARAM_DFLT(ExpansionROM, "Expansion ROM Base Address Register", 0x00),
-    INIT_PARAM(InterruptLine, "Interrupt Line Register"),
-    INIT_PARAM(InterruptPin, "Interrupt Pin Register"),
-    INIT_PARAM_DFLT(MinimumGrant, "Minimum Grant", 0x00),
-    INIT_PARAM_DFLT(MaximumLatency, "Maximum Latency", 0x00),
-    INIT_PARAM_DFLT(BAR0Size, "Base Address Register 0 Size", 0x00),
-    INIT_PARAM_DFLT(BAR1Size, "Base Address Register 1 Size", 0x00),
-    INIT_PARAM_DFLT(BAR2Size, "Base Address Register 2 Size", 0x00),
-    INIT_PARAM_DFLT(BAR3Size, "Base Address Register 3 Size", 0x00),
-    INIT_PARAM_DFLT(BAR4Size, "Base Address Register 4 Size", 0x00),
-    INIT_PARAM_DFLT(BAR5Size, "Base Address Register 5 Size", 0x00)
-
-END_INIT_SIM_OBJECT_PARAMS(PciConfigData)
-
-CREATE_SIM_OBJECT(PciConfigData)
+PciConfigData *
+PciConfigDataParams::create()
 {
-    PciConfigData *data = new PciConfigData(getInstanceName());
-
-    data->config.vendor = htole(VendorID.returnValue());
-    data->config.device = htole(DeviceID.returnValue());
-    data->config.command = htole(Command.returnValue());
-    data->config.status = htole(Status.returnValue());
-    data->config.revision = htole(Revision.returnValue());
-    data->config.progIF = htole(ProgIF.returnValue());
-    data->config.subClassCode = htole(SubClassCode.returnValue());
-    data->config.classCode = htole(ClassCode.returnValue());
-    data->config.cacheLineSize = htole(CacheLineSize.returnValue());
-    data->config.latencyTimer = htole(LatencyTimer.returnValue());
-    data->config.headerType = htole(HeaderType.returnValue());
-    data->config.bist = htole(BIST.returnValue());
-
-    data->config.baseAddr[0] = htole(BAR0.returnValue());
-    data->config.baseAddr[1] = htole(BAR1.returnValue());
-    data->config.baseAddr[2] = htole(BAR2.returnValue());
-    data->config.baseAddr[3] = htole(BAR3.returnValue());
-    data->config.baseAddr[4] = htole(BAR4.returnValue());
-    data->config.baseAddr[5] = htole(BAR5.returnValue());
-    data->config.cardbusCIS = htole(CardbusCIS.returnValue());
-    data->config.subsystemVendorID = htole(SubsystemVendorID.returnValue());
-    data->config.subsystemID = htole(SubsystemID.returnValue());
-    data->config.expansionROM = htole(ExpansionROM.returnValue());
-    data->config.interruptLine = htole(InterruptLine.returnValue());
-    data->config.interruptPin = htole(InterruptPin.returnValue());
-    data->config.minimumGrant = htole(MinimumGrant.returnValue());
-    data->config.maximumLatency = htole(MaximumLatency.returnValue());
+    PciConfigData *data = new PciConfigData(name);
+
+    data->config.vendor = htole(VendorID);
+    data->config.device = htole(DeviceID);
+    data->config.command = htole(Command);
+    data->config.status = htole(Status);
+    data->config.revision = htole(Revision);
+    data->config.progIF = htole(ProgIF);
+    data->config.subClassCode = htole(SubClassCode);
+    data->config.classCode = htole(ClassCode);
+    data->config.cacheLineSize = htole(CacheLineSize);
+    data->config.latencyTimer = htole(LatencyTimer);
+    data->config.headerType = htole(HeaderType);
+    data->config.bist = htole(BIST);
+
+    data->config.baseAddr[0] = htole(BAR0);
+    data->config.baseAddr[1] = htole(BAR1);
+    data->config.baseAddr[2] = htole(BAR2);
+    data->config.baseAddr[3] = htole(BAR3);
+    data->config.baseAddr[4] = htole(BAR4);
+    data->config.baseAddr[5] = htole(BAR5);
+    data->config.cardbusCIS = htole(CardbusCIS);
+    data->config.subsystemVendorID = htole(SubsystemVendorID);
+    data->config.subsystemID = htole(SubsystemID);
+    data->config.expansionROM = htole(ExpansionROM);
+    data->config.interruptLine = htole(InterruptLine);
+    data->config.interruptPin = htole(InterruptPin);
+    data->config.minimumGrant = htole(MinimumGrant);
+    data->config.maximumLatency = htole(MaximumLatency);
 
     data->BARSize[0] = BAR0Size;
     data->BARSize[1] = BAR1Size;
@@ -424,13 +348,9 @@ CREATE_SIM_OBJECT(PciConfigData)
         uint32_t barsize = data->BARSize[i];
         if (barsize != 0 && !isPowerOf2(barsize)) {
             fatal("%s: BAR %d size %d is not a power of 2\n",
-                  getInstanceName(), i, data->BARSize[i]);
+                  name, i, data->BARSize[i]);
         }
     }
 
     return data;
 }
-
-REGISTER_SIM_OBJECT("PciConfigData", PciConfigData)
-
-#endif // DOXYGEN_SHOULD_SKIP_THIS
diff --git a/src/dev/pcidev.hh b/src/dev/pcidev.hh
index 5ddbe84a0..a08092689 100644
--- a/src/dev/pcidev.hh
+++ b/src/dev/pcidev.hh
@@ -42,6 +42,7 @@
 #include "dev/io_device.hh"
 #include "dev/pcireg.h"
 #include "dev/platform.hh"
+#include "params/PciDevice.hh"
 #include "sim/byteswap.hh"
 
 #define BAR_IO_MASK 0x3
@@ -105,32 +106,12 @@ class PciDev : public DmaDevice
     };
 
   public:
-    struct Params : public DmaDevice::Params
+    typedef PciDeviceParams Params;
+    const Params *
+    params() const
     {
-        /**
-         * A pointer to the object that contains the first 64 bytes of
-         * config space
-         */
-        PciConfigData *configData;
-
-        /** The bus number we are on */
-        uint32_t busNum;
-
-        /** The device number we have */
-        uint32_t deviceNum;
-
-        /** The function number */
-        uint32_t functionNum;
-
-        /** The latency for pio accesses. */
-        Tick pio_delay;
-
-        /** The latency for a config access. */
-        Tick config_delay;
-    };
-
-  public:
-    const Params *params() const { return (const Params *)_params; }
+        return dynamic_cast<const Params *>(_params);
+    }
 
   protected:
     /** The current config space. Unlike the PciConfigData this is
@@ -266,8 +247,8 @@ class PciDev : public DmaDevice
         if (if_name == "config") {
             if (configPort != NULL)
                 panic("pciconfig port already connected to.");
-            configPort = new PciConfigPort(this, params()->busNum,
-                    params()->deviceNum, params()->functionNum,
+            configPort = new PciConfigPort(this, params()->pci_bus,
+                    params()->pci_dev, params()->pci_func,
                     params()->platform);
             return configPort;
         }
diff --git a/src/dev/platform.cc b/src/dev/platform.cc
index b2b8695a7..c8922432b 100644
--- a/src/dev/platform.cc
+++ b/src/dev/platform.cc
@@ -31,7 +31,6 @@
 
 #include "base/misc.hh"
 #include "dev/platform.hh"
-#include "sim/builder.hh"
 #include "sim/sim_exit.hh"
 
 using namespace std;
@@ -79,7 +78,3 @@ Platform::registerPciDevice(uint8_t bus, uint8_t dev, uint8_t func, uint8_t intr
 
     intLines.set(intr);
 }
-
-
-DEFINE_SIM_OBJECT_CLASS_NAME("Platform", Platform)
-
diff --git a/src/dev/simconsole.cc b/src/dev/simconsole.cc
index c6ff9c1c6..7ce462bd0 100644
--- a/src/dev/simconsole.cc
+++ b/src/dev/simconsole.cc
@@ -52,7 +52,7 @@
 #include "dev/platform.hh"
 #include "dev/simconsole.hh"
 #include "dev/uart.hh"
-#include "sim/builder.hh"
+#include "params/SimConsole.hh"
 
 using namespace std;
 
@@ -325,38 +325,17 @@ SimConsole::out(char c)
 
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimConsole)
-
-    SimObjectParam<IntrControl *> intr_control;
-    Param<string> output;
-    Param<int> port;
-    Param<bool> append_name;
-    Param<int> number;
-
-END_DECLARE_SIM_OBJECT_PARAMS(SimConsole)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(SimConsole)
-
-    INIT_PARAM(intr_control, "interrupt controller"),
-    INIT_PARAM(output, "file to dump output to"),
-    INIT_PARAM(port, ""),
-    INIT_PARAM_DFLT(append_name, "append name() to filename", true),
-    INIT_PARAM_DFLT(number, "console number", 0)
-
-END_INIT_SIM_OBJECT_PARAMS(SimConsole)
-
-CREATE_SIM_OBJECT(SimConsole)
+SimConsole *
+SimConsoleParams::create()
 {
     string filename = output;
     ostream *stream = NULL;
 
     if (!filename.empty()) {
         if (append_name)
-            filename += "." + getInstanceName();
+            filename += "." + name;
         stream = simout.find(filename);
     }
 
-    return new SimConsole(getInstanceName(), stream, number, port);
+    return new SimConsole(name, stream, number, port);
 }
-
-REGISTER_SIM_OBJECT("SimConsole", SimConsole)
diff --git a/src/dev/simple_disk.cc b/src/dev/simple_disk.cc
index e29bfa726..4b6d37286 100644
--- a/src/dev/simple_disk.cc
+++ b/src/dev/simple_disk.cc
@@ -45,7 +45,7 @@
 #include "dev/disk_image.hh"
 #include "dev/simple_disk.hh"
 #include "mem/port.hh"
-#include "sim/builder.hh"
+#include "params/SimpleDisk.hh"
 #include "sim/system.hh"
 
 using namespace std;
@@ -91,23 +91,8 @@ SimpleDisk::write(Addr addr, baddr_t block, int count)
 #endif
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(SimpleDisk)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<DiskImage *> disk;
-
-END_DECLARE_SIM_OBJECT_PARAMS(SimpleDisk)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(SimpleDisk)
-
-    INIT_PARAM(system, "System pointer"),
-    INIT_PARAM(disk, "Disk Image")
-
-END_INIT_SIM_OBJECT_PARAMS(SimpleDisk)
-
-CREATE_SIM_OBJECT(SimpleDisk)
+SimpleDisk *
+SimpleDiskParams::create()
 {
-    return new SimpleDisk(getInstanceName(), system, disk);
+    return new SimpleDisk(name, system, disk);
 }
-
-REGISTER_SIM_OBJECT("SimpleDisk", SimpleDisk)
diff --git a/src/dev/sinic.cc b/src/dev/sinic.cc
index e13fdb0bc..ed5ab428c 100644
--- a/src/dev/sinic.cc
+++ b/src/dev/sinic.cc
@@ -32,6 +32,7 @@
 #include <limits>
 #include <string>
 
+#include "arch/vtophys.hh"
 #include "base/inet.hh"
 #include "cpu/thread_context.hh"
 #include "cpu/intr_control.hh"
@@ -39,12 +40,10 @@
 #include "dev/sinic.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/debug.hh"
 #include "sim/eventq.hh"
 #include "sim/host.hh"
 #include "sim/stats.hh"
-#include "arch/vtophys.hh"
 
 using namespace Net;
 using namespace TheISA;
@@ -754,7 +753,7 @@ Device::reset()
     regs.TxFifoSize = params()->tx_fifo_size;
     regs.RxFifoMark = params()->rx_fifo_threshold;
     regs.TxFifoMark = params()->tx_fifo_threshold;
-    regs.HwAddr = params()->eaddr;
+    regs.HwAddr = params()->hardware_address;
 
     rxList.clear();
     rxBusy.clear();
@@ -1596,172 +1595,23 @@ Device::unserialize(Checkpoint *cp, const std::string &section)
 
 /* namespace Sinic */ }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS_WNS(Sinic, SinicInterface)
-
-    SimObjectParam<EtherInt *> peer;
-    SimObjectParam<Sinic::Device *> device;
-END_DECLARE_SIM_OBJECT_PARAMS_WNS(Sinic, SinicInterface)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS_WNS(Sinic, SinicInterface)
-
-    INIT_PARAM_DFLT(peer, "peer interface", NULL),
-    INIT_PARAM(device, "Ethernet device of this interface")
-
-END_INIT_SIM_OBJECT_PARAMS_WNS(Sinic, SinicInterface)
-
-CREATE_SIM_OBJECT_WNS(Sinic, SinicInterface)
+Sinic::Interface *
+SinicIntParams::create()
 {
-    Sinic::Interface *dev_int = new Sinic::Interface(getInstanceName(), device);
+    using namespace Sinic;
+
+    Interface *dev_int = new Interface(name, device);
 
-    EtherInt *p = (EtherInt *)peer;
-    if (p) {
-        dev_int->setPeer(p);
-        p->setPeer(dev_int);
+    if (peer) {
+        dev_int->setPeer(peer);
+        peer->setPeer(dev_int);
     }
 
     return dev_int;
 }
 
-REGISTER_SIM_OBJECT_WNS(Sinic, "SinicInt", SinicInterface)
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS_WNS(Sinic, SinicDevice)
-
-
-    SimObjectParam<System *> system;
-    SimObjectParam<Platform *> platform;
-    Param<Tick> min_backoff_delay;
-    Param<Tick> max_backoff_delay;
-    SimObjectParam<PciConfigData *> configdata;
-    Param<uint32_t> pci_bus;
-    Param<uint32_t> pci_dev;
-    Param<uint32_t> pci_func;
-    Param<Tick> pio_latency;
-    Param<Tick> config_latency;
-    Param<Tick> intr_delay;
-
-    Param<Tick> clock;
-    Param<Tick> dma_read_delay;
-    Param<Tick> dma_read_factor;
-    Param<Tick> dma_write_delay;
-    Param<Tick> dma_write_factor;
-
-    Param<Tick> rx_delay;
-    Param<Tick> tx_delay;
-    Param<uint32_t> rx_max_copy;
-    Param<uint32_t> tx_max_copy;
-    Param<uint32_t> rx_max_intr;
-    Param<uint32_t> rx_fifo_size;
-    Param<uint32_t> tx_fifo_size;
-    Param<uint32_t> rx_fifo_threshold;
-    Param<uint32_t> rx_fifo_low_mark;
-    Param<uint32_t> tx_fifo_high_mark;
-    Param<uint32_t> tx_fifo_threshold;
-
-    Param<bool> rx_filter;
-    Param<std::string> hardware_address;
-    Param<bool> rx_thread;
-    Param<bool> tx_thread;
-    Param<bool> rss;
-    Param<uint32_t> virtual_count;
-    Param<bool> zero_copy;
-    Param<bool> delay_copy;
-    Param<bool> virtual_addr;
-
-END_DECLARE_SIM_OBJECT_PARAMS_WNS(Sinic, SinicDevice)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS_WNS(Sinic, SinicDevice)
-
-
-    INIT_PARAM(system, "System pointer"),
-    INIT_PARAM(platform, "Platform pointer"),
-    INIT_PARAM(min_backoff_delay, "Minimum delay after receving a nack packed"),
-    INIT_PARAM(max_backoff_delay, "Maximum delay after receving a nack packed"),
-    INIT_PARAM(configdata, "PCI Config data"),
-    INIT_PARAM(pci_bus, "PCI bus ID"),
-    INIT_PARAM(pci_dev, "PCI device number"),
-    INIT_PARAM(pci_func, "PCI function code"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
-    INIT_PARAM(config_latency, "Number of cycles for a config read or write"),
-    INIT_PARAM(intr_delay, "Interrupt Delay"),
-    INIT_PARAM(clock, "State machine cycle time"),
-
-    INIT_PARAM(dma_read_delay, "fixed delay for dma reads"),
-    INIT_PARAM(dma_read_factor, "multiplier for dma reads"),
-    INIT_PARAM(dma_write_delay, "fixed delay for dma writes"),
-    INIT_PARAM(dma_write_factor, "multiplier for dma writes"),
-
-    INIT_PARAM(rx_delay, "Receive Delay"),
-    INIT_PARAM(tx_delay, "Transmit Delay"),
-    INIT_PARAM(rx_max_copy, "rx max copy"),
-    INIT_PARAM(tx_max_copy, "rx max copy"),
-    INIT_PARAM(rx_max_intr, "rx max intr"),
-    INIT_PARAM(rx_fifo_size, "max size in bytes of rxFifo"),
-    INIT_PARAM(tx_fifo_size, "max size in bytes of txFifo"),
-    INIT_PARAM(rx_fifo_threshold, "max size in bytes of rxFifo"),
-    INIT_PARAM(rx_fifo_low_mark, "max size in bytes of rxFifo"),
-    INIT_PARAM(tx_fifo_high_mark, "max size in bytes of txFifo"),
-    INIT_PARAM(tx_fifo_threshold, "max size in bytes of txFifo"),
-
-    INIT_PARAM(rx_filter, "Enable Receive Filter"),
-    INIT_PARAM(hardware_address, "Ethernet Hardware Address"),
-    INIT_PARAM(rx_thread, ""),
-    INIT_PARAM(tx_thread, ""),
-    INIT_PARAM(rss, ""),
-    INIT_PARAM(virtual_count, ""),
-    INIT_PARAM(zero_copy, ""),
-    INIT_PARAM(delay_copy, ""),
-    INIT_PARAM(virtual_addr, "")
-
-END_INIT_SIM_OBJECT_PARAMS_WNS(Sinic, SinicDevice)
-
-
-CREATE_SIM_OBJECT_WNS(Sinic, SinicDevice)
+Sinic::Device *
+SinicParams::create()
 {
-    Sinic::Sinic::Device::Params *params = new Device::Params;
-    params->name = getInstanceName();
-    params->platform = platform;
-    params->system = system;
-    params->min_backoff_delay = min_backoff_delay;
-    params->max_backoff_delay = max_backoff_delay;
-    params->configData = configdata;
-    params->busNum = pci_bus;
-    params->deviceNum = pci_dev;
-    params->functionNum = pci_func;
-    params->pio_delay = pio_latency;
-    params->config_delay = config_latency;
-    params->intr_delay = intr_delay;
-    params->clock = clock;
-
-    params->dma_read_delay = dma_read_delay;
-    params->dma_read_factor = dma_read_factor;
-    params->dma_write_delay = dma_write_delay;
-    params->dma_write_factor = dma_write_factor;
-
-    params->tx_delay = tx_delay;
-    params->rx_delay = rx_delay;
-    params->rx_max_copy = rx_max_copy;
-    params->tx_max_copy = tx_max_copy;
-    params->rx_max_intr = rx_max_intr;
-    params->rx_fifo_size = rx_fifo_size;
-    params->tx_fifo_size = tx_fifo_size;
-    params->rx_fifo_threshold = rx_fifo_threshold;
-    params->rx_fifo_low_mark = rx_fifo_low_mark;
-    params->tx_fifo_high_mark = tx_fifo_high_mark;
-    params->tx_fifo_threshold = tx_fifo_threshold;
-
-    params->rx_filter = rx_filter;
-    params->eaddr = hardware_address;
-    params->rx_thread = rx_thread;
-    params->tx_thread = tx_thread;
-    params->rss = rss;
-    params->virtual_count = virtual_count;
-    params->zero_copy = zero_copy;
-    params->delay_copy = delay_copy;
-    params->virtual_addr = virtual_addr;
-
-    return new Sinic::Device(params);
+    return new Sinic::Device(this);
 }
-
-REGISTER_SIM_OBJECT_WNS(Sinic, "Sinic", SinicDevice)
-
diff --git a/src/dev/sinic.hh b/src/dev/sinic.hh
index 3904c2a8a..ab5d0d258 100644
--- a/src/dev/sinic.hh
+++ b/src/dev/sinic.hh
@@ -39,6 +39,8 @@
 #include "dev/pcidev.hh"
 #include "dev/pktfifo.hh"
 #include "dev/sinicreg.hh"
+#include "params/Sinic.hh"
+#include "params/SinicInt.hh"
 #include "sim/eventq.hh"
 
 namespace Sinic {
@@ -80,12 +82,8 @@ class Base : public PciDev
  * Construction/Destruction/Parameters
  */
   public:
-    struct Params : public PciDev::Params
-    {
-        Tick clock;
-        Tick intr_delay;
-    };
-
+    typedef SinicParams Params;
+    const Params *params() const { return (const Params *)_params; }
     Base(Params *p);
 };
 
@@ -313,43 +311,8 @@ class Device : public Base
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
 
-/**
- * Construction/Destruction/Parameters
- */
-  public:
-    struct Params : public Base::Params
-    {
-        Tick tx_delay;
-        Tick rx_delay;
-        bool rx_filter;
-        Net::EthAddr eaddr;
-        uint32_t rx_max_copy;
-        uint32_t tx_max_copy;
-        uint32_t rx_max_intr;
-        uint32_t rx_fifo_size;
-        uint32_t tx_fifo_size;
-        uint32_t rx_fifo_threshold;
-        uint32_t rx_fifo_low_mark;
-        uint32_t tx_fifo_high_mark;
-        uint32_t tx_fifo_threshold;
-        Tick dma_read_delay;
-        Tick dma_read_factor;
-        Tick dma_write_delay;
-        Tick dma_write_factor;
-        bool rx_thread;
-        bool tx_thread;
-        bool rss;
-        uint32_t virtual_count;
-        bool zero_copy;
-        bool delay_copy;
-        bool virtual_addr;
-    };
-
-  protected:
-    const Params *params() const { return (const Params *)_params; }
-
   public:
-    Device(Params *params);
+    Device(Params *p);
     ~Device();
 };
 
diff --git a/src/dev/sparc/dtod.cc b/src/dev/sparc/dtod.cc
index 22df873b6..81132ac65 100644
--- a/src/dev/sparc/dtod.cc
+++ b/src/dev/sparc/dtod.cc
@@ -37,26 +37,25 @@
 #include <string>
 #include <vector>
 
+#include "base/time.hh"
 #include "base/trace.hh"
 #include "dev/sparc/dtod.hh"
 #include "dev/platform.hh"
 #include "mem/packet_access.hh"
 #include "mem/port.hh"
-#include "sim/builder.hh"
 #include "sim/system.hh"
 
 using namespace std;
 using namespace TheISA;
 
-DumbTOD::DumbTOD(Params *p)
+DumbTOD::DumbTOD(const Params *p)
     : BasicPioDevice(p)
 {
-    struct tm tm;
+    struct tm tm = p->time;
     char *tz;
 
     pioSize = 0x08;
 
-    parseTime(p->init_time, &tm);
     tz = getenv("TZ");
     setenv("TZ", "", 1);
     tzset();
@@ -103,37 +102,8 @@ DumbTOD::unserialize(Checkpoint *cp, const std::string &section)
     UNSERIALIZE_SCALAR(todTime);
 }
 
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(DumbTOD)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-    VectorParam<int> time;
-
-END_DECLARE_SIM_OBJECT_PARAMS(DumbTOD)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(DumbTOD)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(time, "")
-
-END_INIT_SIM_OBJECT_PARAMS(DumbTOD)
-
-CREATE_SIM_OBJECT(DumbTOD)
+DumbTOD *
+DumbTODParams::create()
 {
-    DumbTOD::Params *p = new DumbTOD::Params;
-    p->name =getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    p->init_time = time;
-    return new DumbTOD(p);
+    return new DumbTOD(this);
 }
-
-REGISTER_SIM_OBJECT("DumbTOD", DumbTOD)
diff --git a/src/dev/sparc/dtod.hh b/src/dev/sparc/dtod.hh
index ddf9fcc96..35dda42dd 100644
--- a/src/dev/sparc/dtod.hh
+++ b/src/dev/sparc/dtod.hh
@@ -40,7 +40,7 @@
 
 #include "base/range.hh"
 #include "dev/io_device.hh"
-
+#include "params/DumbTOD.hh"
 
 /**
  * DumbTOD simply returns some idea of time when read.  Until we finish with
@@ -52,15 +52,14 @@ class DumbTOD : public BasicPioDevice
     uint64_t todTime;
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        std::vector<int> init_time;
-    };
-  protected:
-    const Params *params() const { return (const Params *)_params; }
+    typedef DumbTODParams Params;
+    DumbTOD(const Params *p);
 
-  public:
-    DumbTOD(Params *p);
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual Tick read(PacketPtr pkt);
     virtual Tick write(PacketPtr pkt);
diff --git a/src/dev/sparc/iob.cc b/src/dev/sparc/iob.cc
index b27f45eba..d0182770f 100644
--- a/src/dev/sparc/iob.cc
+++ b/src/dev/sparc/iob.cc
@@ -45,11 +45,10 @@
 #include "dev/platform.hh"
 #include "mem/port.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/faults.hh"
 #include "sim/system.hh"
 
-Iob::Iob(Params *p)
+Iob::Iob(const Params *p)
     : PioDevice(p), ic(p->platform->intrctrl)
 {
     iobManAddr = ULL(0x9800000000);
@@ -371,31 +370,8 @@ Iob::unserialize(Checkpoint *cp, const std::string &section)
     };
 }
 
-
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(Iob)
-    Param<Tick> pio_latency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-END_DECLARE_SIM_OBJECT_PARAMS(Iob)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(Iob)
-
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object")
-
-END_INIT_SIM_OBJECT_PARAMS(Iob)
-
-CREATE_SIM_OBJECT(Iob)
+Iob *
+IobParams::create()
 {
-    Iob::Params *p = new Iob::Params;
-    p->name = getInstanceName();
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    return new Iob(p);
+    return new Iob(this);
 }
-
-REGISTER_SIM_OBJECT("Iob", Iob)
diff --git a/src/dev/sparc/iob.hh b/src/dev/sparc/iob.hh
index c05c4f2ef..b2fd6cbf6 100644
--- a/src/dev/sparc/iob.hh
+++ b/src/dev/sparc/iob.hh
@@ -39,6 +39,7 @@
 #include "base/range.hh"
 #include "dev/io_device.hh"
 #include "dev/disk_image.hh"
+#include "params/Iob.hh"
 
 class IntrControl;
 
@@ -123,24 +124,22 @@ class Iob : public PioDevice
     void readIob(PacketPtr pkt);
     void readJBus(PacketPtr pkt);
 
-
   public:
-    struct Params : public PioDevice::Params
-    {
-        Tick pio_delay;
-    };
-  protected:
-    const Params *params() const { return (const Params*)_params; }
+    typedef IobParams Params;
+    Iob(const Params *p);
 
-  public:
-    Iob(Params *p);
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual Tick read(PacketPtr pkt);
     virtual Tick write(PacketPtr pkt);
     void generateIpi(Type type, int cpu_id, int vector);
     void receiveDeviceInterrupt(DeviceId devid);
-    bool receiveJBusInterrupt(int cpu_id, int source, uint64_t d0, uint64_t d1);
-
+    bool receiveJBusInterrupt(int cpu_id, int source, uint64_t d0,
+                              uint64_t d1);
 
     void addressRanges(AddrRangeList &range_list);
 
diff --git a/src/dev/sparc/mm_disk.cc b/src/dev/sparc/mm_disk.cc
index bbb773c48..f0d51eef4 100644
--- a/src/dev/sparc/mm_disk.cc
+++ b/src/dev/sparc/mm_disk.cc
@@ -40,11 +40,10 @@
 #include "dev/platform.hh"
 #include "mem/port.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/byteswap.hh"
 #include "sim/system.hh"
 
-MmDisk::MmDisk(Params *p)
+MmDisk::MmDisk(const Params *p)
     : BasicPioDevice(p), image(p->image), curSector((off_t)-1), dirty(false)
 {
     std::memset(&diskData, 0, SectorSize);
@@ -171,39 +170,8 @@ MmDisk::serialize(std::ostream &os)
     }
 }
 
-
-
-
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(MmDisk)
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    Param<Addr> pio_size;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<System *> system;
-    SimObjectParam<DiskImage *> image;
-END_DECLARE_SIM_OBJECT_PARAMS(MmDisk)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(MmDisk)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM(pio_latency, "Programmed IO latency"),
-    INIT_PARAM(pio_size, "Size of address range"),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(system, "system object"),
-    INIT_PARAM(image, "disk image")
-
-END_INIT_SIM_OBJECT_PARAMS(MmDisk)
-
-CREATE_SIM_OBJECT(MmDisk)
+MmDisk *
+MmDiskParams::create()
 {
-    MmDisk::Params *p = new MmDisk::Params;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->system = system;
-    p->image = image;
-    return new MmDisk(p);
+    return new MmDisk(this);
 }
-
-REGISTER_SIM_OBJECT("MmDisk", MmDisk)
diff --git a/src/dev/sparc/mm_disk.hh b/src/dev/sparc/mm_disk.hh
index 30028d2b6..41ec0cc59 100644
--- a/src/dev/sparc/mm_disk.hh
+++ b/src/dev/sparc/mm_disk.hh
@@ -39,6 +39,7 @@
 #include "base/range.hh"
 #include "dev/io_device.hh"
 #include "dev/disk_image.hh"
+#include "params/MmDisk.hh"
 
 class MmDisk : public BasicPioDevice
 {
@@ -49,15 +50,14 @@ class MmDisk : public BasicPioDevice
     uint8_t diskData[SectorSize];
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        DiskImage *image;
-    };
-  protected:
-    const Params *params() const { return (const Params*)_params; }
+    typedef MmDiskParams Params;
+    MmDisk(const Params *p);
 
-  public:
-    MmDisk(Params *p);
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     virtual Tick read(PacketPtr pkt);
     virtual Tick write(PacketPtr pkt);
diff --git a/src/dev/sparc/t1000.cc b/src/dev/sparc/t1000.cc
index 3a2f881f1..692e0cfe1 100644
--- a/src/dev/sparc/t1000.cc
+++ b/src/dev/sparc/t1000.cc
@@ -39,7 +39,7 @@
 #include "cpu/intr_control.hh"
 #include "dev/simconsole.hh"
 #include "dev/sparc/t1000.hh"
-#include "sim/builder.hh"
+#include "params/T1000.hh"
 #include "sim/system.hh"
 
 using namespace std;
@@ -101,23 +101,8 @@ T1000::calcConfigAddr(int bus, int dev, int func)
     M5_DUMMY_RETURN
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(T1000)
-
-    SimObjectParam<System *> system;
-    SimObjectParam<IntrControl *> intrctrl;
-
-END_DECLARE_SIM_OBJECT_PARAMS(T1000)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(T1000)
-
-    INIT_PARAM(system, "system"),
-    INIT_PARAM(intrctrl, "interrupt controller")
-
-END_INIT_SIM_OBJECT_PARAMS(T1000)
-
-CREATE_SIM_OBJECT(T1000)
+T1000 *
+T1000Params::create()
 {
-    return new T1000(getInstanceName(), system, intrctrl);
+    return new T1000(name, system, intrctrl);
 }
-
-REGISTER_SIM_OBJECT("T1000", T1000)
diff --git a/src/dev/uart.cc b/src/dev/uart.cc
index 1c781f76d..c9a2ae964 100644
--- a/src/dev/uart.cc
+++ b/src/dev/uart.cc
@@ -35,19 +35,14 @@
 #include "dev/simconsole.hh"
 #include "dev/uart.hh"
 #include "dev/platform.hh"
-#include "sim/builder.hh"
 
 using namespace std;
 
-Uart::Uart(Params *p)
-    : BasicPioDevice(p), platform(p->platform), cons(p->cons)
+Uart::Uart(const Params *p)
+    : BasicPioDevice(p), platform(p->platform), cons(p->sim_console)
 {
-
     status = 0;
 
     // set back pointers
     cons->uart = this;
 }
-
-DEFINE_SIM_OBJECT_CLASS_NAME("Uart", Uart)
-
diff --git a/src/dev/uart.hh b/src/dev/uart.hh
index f0ae0854c..f5d5e2855 100644
--- a/src/dev/uart.hh
+++ b/src/dev/uart.hh
@@ -37,6 +37,7 @@
 
 #include "base/range.hh"
 #include "dev/io_device.hh"
+#include "params/Uart.hh"
 
 class SimConsole;
 class Platform;
@@ -44,7 +45,6 @@ class Platform;
 const int RX_INT = 0x1;
 const int TX_INT = 0x2;
 
-
 class Uart : public BasicPioDevice
 {
 
@@ -54,28 +54,25 @@ class Uart : public BasicPioDevice
     SimConsole *cons;
 
   public:
-    struct Params : public BasicPioDevice::Params
-    {
-        SimConsole *cons;
-    };
+    typedef UartParams Params;
+    Uart(const Params *p);
 
-    Uart(Params *p);
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
 
     /**
      * Inform the uart that there is data available.
      */
     virtual void dataAvailable() = 0;
 
-
     /**
      * Return if we have an interrupt pending
      * @return interrupt status
      */
     bool intStatus() { return status ? true : false; }
-
-  protected:
-    const Params *params() const {return (const Params *)_params; }
-
 };
 
 #endif // __UART_HH__
diff --git a/src/dev/uart8250.cc b/src/dev/uart8250.cc
index 358dda0d8..e14b0871e 100644
--- a/src/dev/uart8250.cc
+++ b/src/dev/uart8250.cc
@@ -43,7 +43,6 @@
 #include "dev/platform.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 
 using namespace std;
 using namespace TheISA;
@@ -100,12 +99,11 @@ Uart8250::IntrEvent::scheduleIntr()
 }
 
 
-Uart8250::Uart8250(Params *p)
+Uart8250::Uart8250(const Params *p)
     : Uart(p), IER(0), DLAB(0), LCR(0), MCR(0), lastTxInt(0),
       txIntrEvent(this, TX_INT), rxIntrEvent(this, RX_INT)
 {
     pioSize = 8;
-
 }
 
 Tick
@@ -336,37 +334,8 @@ Uart8250::unserialize(Checkpoint *cp, const std::string &section)
         txIntrEvent.schedule(txintrwhen);
 }
 
-BEGIN_DECLARE_SIM_OBJECT_PARAMS(Uart8250)
-
-    Param<Addr> pio_addr;
-    Param<Tick> pio_latency;
-    SimObjectParam<Platform *> platform;
-    SimObjectParam<SimConsole *> sim_console;
-    SimObjectParam<System *> system;
-
-END_DECLARE_SIM_OBJECT_PARAMS(Uart8250)
-
-BEGIN_INIT_SIM_OBJECT_PARAMS(Uart8250)
-
-    INIT_PARAM(pio_addr, "Device Address"),
-    INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000),
-    INIT_PARAM(platform, "platform"),
-    INIT_PARAM(sim_console, "The Simulator Console"),
-    INIT_PARAM(system, "system object")
-
-END_INIT_SIM_OBJECT_PARAMS(Uart8250)
-
-CREATE_SIM_OBJECT(Uart8250)
+Uart8250 *
+Uart8250Params::create()
 {
-    Uart8250::Params *p = new Uart8250::Params;
-    p->name = getInstanceName();
-    p->pio_addr = pio_addr;
-    p->pio_delay = pio_latency;
-    p->platform = platform;
-    p->cons = sim_console;
-    p->system = system;
-    return new Uart8250(p);
+    return new Uart8250(this);
 }
-
-REGISTER_SIM_OBJECT("Uart8250", Uart8250)
-
diff --git a/src/dev/uart8250.hh b/src/dev/uart8250.hh
index c9c878aed..32b16c17c 100644
--- a/src/dev/uart8250.hh
+++ b/src/dev/uart8250.hh
@@ -38,7 +38,7 @@
 #include "base/range.hh"
 #include "dev/io_device.hh"
 #include "dev/uart.hh"
-
+#include "params/Uart8250.hh"
 
 /* UART8250 Interrupt ID Register
  *  bit 0    Interrupt Pending 0 = true, 1 = false
@@ -70,8 +70,6 @@ class Platform;
 
 class Uart8250 : public Uart
 {
-
-
   protected:
     uint8_t IER, DLAB, LCR, MCR;
     Tick lastTxInt;
@@ -92,13 +90,18 @@ class Uart8250 : public Uart
     IntrEvent rxIntrEvent;
 
   public:
-    Uart8250(Params *p);
+    typedef Uart8250Params Params;
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
+    Uart8250(const Params *p);
 
     virtual Tick read(PacketPtr pkt);
     virtual Tick write(PacketPtr pkt);
     virtual void addressRanges(AddrRangeList &range_list);
 
-
     /**
      * Inform the uart that there is data available.
      */