1 files changed, 121 insertions, 0 deletions
diff --git a/src/dev/isa_fake.cc b/src/dev/isa_fake.cc
new file mode 100644
index 000000000..9717226b7
--- /dev/null
+++ b/src/dev/isa_fake.cc
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @file
+ * Isa Fake Device implementation
+ */
+
+#include <deque>
+#include <string>
+#include <vector>
+
+#include "base/trace.hh"
+#include "dev/isa_fake.hh"
+#include "mem/packet.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
+
+using namespace std;
+
+IsaFake::IsaFake(Params *p)
+    : BasicPioDevice(p)
+{
+    pioSize = p->pio_size;
+}
+
+Tick
+IsaFake::read(Packet *pkt)
+{
+    assert(pkt->result == Unknown);
+    assert(pkt->addr >= pioAddr && pkt->addr < pioAddr + pioSize);
+
+    pkt->time += pioDelay;
+
+    DPRINTF(Tsunami, "read  va=%#x size=%d\n", pkt->addr, pkt->size);
+
+    switch (pkt->size) {
+         pkt->set(0xFFFFFFFFFFFFFFFFULL);
+         break;
+      case sizeof(uint32_t):
+         pkt->set((uint32_t)0xFFFFFFFF);
+         break;
+      case sizeof(uint16_t):
+         pkt->set((uint16_t)0xFFFF);
+         break;
+      case sizeof(uint8_t):
+         pkt->set((uint8_t)0xFF);
+         break;
+      default:
+        panic("invalid access size(?) for PCI configspace!\n");
+    }
+    pkt->result = Success;
+    return pioDelay;
+}
+
+Tick
+IsaFake::write(Packet *pkt)
+{
+    pkt->time += pioDelay;
+    DPRINTF(Tsunami, "write - va=%#x size=%d \n", pkt->addr, pkt->size);
+    pkt->result = Success;
+    return pioDelay;
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake)
+
+    Param<Addr> pio_addr;
+    Param<Tick> pio_latency;
+    Param<Addr> pio_size;
+    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(platform, "platform"),
+    INIT_PARAM(system, "system object")
+
+END_INIT_SIM_OBJECT_PARAMS(IsaFake)
+
+CREATE_SIM_OBJECT(IsaFake)
+{
+    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->platform = platform;
+    p->system = system;
+    return new IsaFake(p);
+}
+
+REGISTER_SIM_OBJECT("IsaFake", IsaFake)