1 files changed, 127 insertions, 0 deletions
diff --git a/dev/tsunami_io.cc b/dev/tsunami_io.cc
new file mode 100644
index 000000000..d5f2af960
--- /dev/null
+++ b/dev/tsunami_io.cc
@@ -0,0 +1,127 @@
+/* $Id$ */
+
+/* @file
+ * Tsunami DMA fake
+ */
+
+#include <deque>
+#include <string>
+#include <vector>
+
+#include "base/trace.hh"
+#include "cpu/exec_context.hh"
+#include "dev/console.hh"
+#include "dev/etherdev.hh"
+#include "dev/scsi_ctrl.hh"
+#include "dev/tlaser_clock.hh"
+#include "dev/tsunami_io.hh"
+#include "dev/tsunamireg.h"
+#include "dev/tsunami.hh"
+#include "mem/functional_mem/memory_control.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
+
+using namespace std;
+
+TsunamiIO::TsunamiIO(const string &name, /*Tsunami *t,*/
+                       Addr addr, Addr mask, MemoryController *mmu)
+    : MmapDevice(name, addr, mask, mmu)/*, tsunami(t) */
+{
+
+}
+
+Fault
+TsunamiIO::read(MemReqPtr req, uint8_t *data)
+{
+    DPRINTF(Tsunami, "io read  va=%#x size=%d IOPorrt=%#x\n",
+            req->vaddr, req->size, req->vaddr & 0xfff);
+
+ //   Addr daddr = (req->paddr & addr_mask) >> 6;
+//    ExecContext *xc = req->xc;
+//    int cpuid = xc->cpu_id;
+     panic("I/O Read - va%#x size %d\n", req->vaddr, req->size);
+   // *(uint64_t*)data = 0x00;
+
+    return No_Fault;
+}
+
+Fault
+TsunamiIO::write(MemReqPtr req, const uint8_t *data)
+{
+    DPRINTF(Tsunami, "io write - va=%#x size=%d IOPort=%#x\n",
+            req->vaddr, req->size, req->vaddr & 0xfff);
+
+    Addr daddr = (req->paddr & addr_mask);
+
+    switch(req->size) {
+        case sizeof(uint8_t):
+            switch(daddr) {
+                case TSDEV_PIC1_MASK:
+                    mask1 = *(uint8_t*)data;
+                    return No_Fault;
+                case TSDEV_PIC2_MASK:
+                    mask2 = *(uint8_t*)data;
+                    return No_Fault;
+                case TSDEV_DMA1_RESET:
+                    return No_Fault;
+                case TSDEV_DMA2_RESET:
+                    return No_Fault;
+                case TSDEV_DMA1_MODE:
+                    mode1 = *(uint8_t*)data;
+                    return No_Fault;
+                case TSDEV_DMA2_MODE:
+                    mode2 = *(uint8_t*)data;
+                    return No_Fault;
+                case TSDEV_DMA1_MASK:
+                case TSDEV_DMA2_MASK:
+                    return No_Fault;
+                default:
+                    panic("I/O Write - va%#x size %d\n", req->vaddr, req->size);
+            }
+        case sizeof(uint16_t):
+        case sizeof(uint32_t):
+        case sizeof(uint64_t):
+        default:
+            panic("I/O Write - invalid size - va %#x size %d\n", req->vaddr, req->size);
+    }
+
+
+    return No_Fault;
+}
+
+void
+TsunamiIO::serialize(std::ostream &os)
+{
+    // code should be written
+}
+
+void
+TsunamiIO::unserialize(Checkpoint *cp, const std::string &section)
+{
+    //code should be written
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO)
+
+ //   SimObjectParam<Tsunami *> tsunami;
+    SimObjectParam<MemoryController *> mmu;
+    Param<Addr> addr;
+    Param<Addr> mask;
+
+END_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiIO)
+
+//    INIT_PARAM(tsunami, "Tsunami"),
+    INIT_PARAM(mmu, "Memory Controller"),
+    INIT_PARAM(addr, "Device Address"),
+    INIT_PARAM(mask, "Address Mask")
+
+END_INIT_SIM_OBJECT_PARAMS(TsunamiIO)
+
+CREATE_SIM_OBJECT(TsunamiIO)
+{
+    return new TsunamiIO(getInstanceName(), /*tsunami,*/ addr, mask, mmu);
+}
+
+REGISTER_SIM_OBJECT("TsunamiIO", TsunamiIO)