gem5/dev/tsunami_cchip.cc
Ali Saidi 0e805e1ff3 one step closer to booting
dev/alpha_access.h:
    removed my attempted hack to get console compling in linux
dev/tsunami.cc:
dev/tsunami.hh:
    added pchip pointer to tsunami
dev/tsunami_cchip.cc:
    made printing better
dev/tsunami_cchip.hh:
    commented out back pointer for now, since the parser has issues with it
dev/tsunamireg.h:
    added pchip registers

--HG--
extra : convert_revision : b4fceb7d08e757d9aaf37df8eb1bcd5ae29ce0da
2004-01-21 20:14:10 -05:00

240 lines
7.2 KiB
C++

/* $Id$ */
/* @file
* Tsunami CChip (processor, memory, or IO)
*/
#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_cchip.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;
TsunamiCChip::TsunamiCChip(const string &name, /*Tsunami *t,*/
Addr addr, Addr mask, MemoryController *mmu)
: MmapDevice(name, addr, mask, mmu)/*, tsunami(t) */
{
for(int i=0; i < Tsunami::Max_CPUs; i++) {
dim[i] = 0;
dir[i] = 0;
}
drir = 0;
}
Fault
TsunamiCChip::read(MemReqPtr req, uint8_t *data)
{
DPRINTF(Tsunami, "read va=%#x size=%d\n",
req->vaddr, req->size);
Addr daddr = (req->paddr & addr_mask) >> 6;
// ExecContext *xc = req->xc;
// int cpuid = xc->cpu_id;
switch (req->size) {
case sizeof(uint64_t):
switch(daddr) {
case TSDEV_CC_CSR:
*(uint64_t*)data = 0x0;
return No_Fault;
case TSDEV_CC_MTR:
panic("TSDEV_CC_MTR not implemeted\n");
return No_Fault;
case TSDEV_CC_MISC:
panic("TSDEV_CC_MISC not implemented\n");
return No_Fault;
case TSDEV_CC_AAR0:
case TSDEV_CC_AAR1:
case TSDEV_CC_AAR2:
case TSDEV_CC_AAR3:
panic("TSDEV_CC_AARx not implemeted\n");
return No_Fault;
case TSDEV_CC_DIM0:
*(uint64_t*)data = dim[0];
return No_Fault;
case TSDEV_CC_DIM1:
*(uint64_t*)data = dim[1];
return No_Fault;
case TSDEV_CC_DIM2:
*(uint64_t*)data = dim[2];
return No_Fault;
case TSDEV_CC_DIM3:
*(uint64_t*)data = dim[3];
return No_Fault;
case TSDEV_CC_DIR0:
*(uint64_t*)data = dir[0];
return No_Fault;
case TSDEV_CC_DIR1:
*(uint64_t*)data = dir[1];
return No_Fault;
case TSDEV_CC_DIR2:
*(uint64_t*)data = dir[2];
return No_Fault;
case TSDEV_CC_DIR3:
*(uint64_t*)data = dir[3];
return No_Fault;
case TSDEV_CC_DRIR:
*(uint64_t*)data = drir;
return No_Fault;
case TSDEV_CC_PRBEN:
panic("TSDEV_CC_PRBEN not implemented\n");
return No_Fault;
case TSDEV_CC_IIC0:
case TSDEV_CC_IIC1:
case TSDEV_CC_IIC2:
case TSDEV_CC_IIC3:
panic("TSDEV_CC_IICx not implemented\n");
return No_Fault;
case TSDEV_CC_MPR0:
case TSDEV_CC_MPR1:
case TSDEV_CC_MPR2:
case TSDEV_CC_MPR3:
panic("TSDEV_CC_MPRx not implemented\n");
return No_Fault;
default:
panic("default in cchip read reached, accessing 0x%x\n");
} // uint64_t
break;
case sizeof(uint32_t):
case sizeof(uint16_t):
case sizeof(uint8_t):
default:
panic("invalid access size(?) for tsunami register!\n");
}
DPRINTFN("Tsunami CChip ERROR: read daddr=%#x size=%d\n", daddr, req->size);
return No_Fault;
}
Fault
TsunamiCChip::write(MemReqPtr req, const uint8_t *data)
{
DPRINTF(Tsunami, "write - va=%#x size=%d \n",
req->vaddr, req->size);
Addr daddr = (req->paddr & addr_mask) >> 6;
switch (req->size) {
case sizeof(uint64_t):
switch(daddr) {
case TSDEV_CC_CSR:
panic("TSDEV_CC_CSR write\n");
return No_Fault;
case TSDEV_CC_MTR:
panic("TSDEV_CC_MTR write not implemented\n");
return No_Fault;
case TSDEV_CC_MISC:
panic("TSDEV_CC_MISC write not implemented\n");
return No_Fault;
case TSDEV_CC_AAR0:
case TSDEV_CC_AAR1:
case TSDEV_CC_AAR2:
case TSDEV_CC_AAR3:
panic("TSDEV_CC_AARx write not implemeted\n");
return No_Fault;
case TSDEV_CC_DIM0:
dim[0] = *(uint64_t*)data;
return No_Fault;
case TSDEV_CC_DIM1:
dim[1] = *(uint64_t*)data;
return No_Fault;
case TSDEV_CC_DIM2:
dim[2] = *(uint64_t*)data;
return No_Fault;
case TSDEV_CC_DIM3:
dim[3] = *(uint64_t*)data;
return No_Fault;
case TSDEV_CC_DIR0:
case TSDEV_CC_DIR1:
case TSDEV_CC_DIR2:
case TSDEV_CC_DIR3:
panic("TSDEV_CC_DIR write not implemented\n");
return No_Fault;
case TSDEV_CC_DRIR:
panic("TSDEV_CC_DRIR write not implemented\n");
return No_Fault;
case TSDEV_CC_PRBEN:
panic("TSDEV_CC_PRBEN write not implemented\n");
return No_Fault;
case TSDEV_CC_IIC0:
case TSDEV_CC_IIC1:
case TSDEV_CC_IIC2:
case TSDEV_CC_IIC3:
panic("TSDEV_CC_IICx write not implemented\n");
return No_Fault;
case TSDEV_CC_MPR0:
case TSDEV_CC_MPR1:
case TSDEV_CC_MPR2:
case TSDEV_CC_MPR3:
panic("TSDEV_CC_MPRx write not implemented\n");
return No_Fault;
default:
panic("default in cchip read reached, accessing 0x%x\n");
}
break;
case sizeof(uint32_t):
case sizeof(uint16_t):
case sizeof(uint8_t):
default:
panic("invalid access size(?) for tsunami register!\n");
}
DPRINTFN("Tsunami ERROR: write daddr=%#x size=%d\n", daddr, req->size);
return No_Fault;
}
void
TsunamiCChip::serialize(std::ostream &os)
{
// code should be written
}
void
TsunamiCChip::unserialize(Checkpoint *cp, const std::string &section)
{
//code should be written
}
BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
// SimObjectParam<Tsunami *> tsunami;
SimObjectParam<MemoryController *> mmu;
Param<Addr> addr;
Param<Addr> mask;
END_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip)
BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
// INIT_PARAM(tsunami, "Tsunami"),
INIT_PARAM(mmu, "Memory Controller"),
INIT_PARAM(addr, "Device Address"),
INIT_PARAM(mask, "Address Mask")
END_INIT_SIM_OBJECT_PARAMS(TsunamiCChip)
CREATE_SIM_OBJECT(TsunamiCChip)
{
return new TsunamiCChip(getInstanceName(), /*tsunami,*/ addr, mask, mmu);
}
REGISTER_SIM_OBJECT("TsunamiCChip", TsunamiCChip)