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/* $Id$ */
/* @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_dma.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;
TsunamiDMA::TsunamiDMA(const string &name, /*Tsunami *t,*/
Addr addr, Addr mask, MemoryController *mmu)
: MmapDevice(name, addr, mask, mmu)/*, tsunami(t) */
{
}
Fault
TsunamiDMA::read(MemReqPtr req, uint8_t *data)
{
DPRINTF(Tsunami, "dma 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
TsunamiDMA::write(MemReqPtr req, const uint8_t *data)
{
DPRINTF(Tsunami, "dma 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
TsunamiDMA::serialize(std::ostream &os)
{
// code should be written
}
void
TsunamiDMA::unserialize(Checkpoint *cp, const std::string §ion)
{
//code should be written
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiDMA)
// SimObjectParam<Tsunami *> tsunami;
SimObjectParam<MemoryController *> mmu;
Param<Addr> addr;
Param<Addr> mask;
END_DECLARE_SIM_OBJECT_PARAMS(TsunamiDMA)
BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiDMA)
// INIT_PARAM(tsunami, "Tsunami"),
INIT_PARAM(mmu, "Memory Controller"),
INIT_PARAM(addr, "Device Address"),
INIT_PARAM(mask, "Address Mask")
END_INIT_SIM_OBJECT_PARAMS(TsunamiDMA)
CREATE_SIM_OBJECT(TsunamiDMA)
{
return new TsunamiDMA(getInstanceName(), /*tsunami,*/ addr, mask, mmu);
}
REGISTER_SIM_OBJECT("TsunamiDMA", TsunamiDMA)
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