* Isa Fake Device implementation
*/
-#include "base/trace.hh"
#include "dev/isa_fake.hh"
+
+#include "base/trace.hh"
+#include "debug/IsaFake.hh"
#include "mem/packet.hh"
#include "mem/packet_access.hh"
-#include "sim/builder.hh"
#include "sim/system.hh"
using namespace std;
IsaFake::IsaFake(Params *p)
- : BasicPioDevice(p)
+ : BasicPioDevice(p, p->ret_bad_addr ? 0 : p->pio_size)
{
- if (!params()->retBadAddr)
- 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)
{
+ pkt->makeAtomicResponse();
- 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) {
- DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n",
+ if (params()->ret_bad_addr) {
+ DPRINTF(IsaFake, "read to bad address va=%#x size=%d\n",
pkt->getAddr(), pkt->getSize());
pkt->setBadAddress();
} else {
assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
- DPRINTF(Tsunami, "read va=%#x size=%d\n",
+ DPRINTF(IsaFake, "read va=%#x size=%d\n",
pkt->getAddr(), pkt->getSize());
switch (pkt->getSize()) {
case sizeof(uint64_t):
- pkt->set(retData64);
+ pkt->setLE(retData64);
break;
case sizeof(uint32_t):
- pkt->set(retData32);
+ pkt->setLE(retData32);
break;
case sizeof(uint16_t):
- pkt->set(retData16);
+ pkt->setLE(retData16);
break;
case sizeof(uint8_t):
- pkt->set(retData8);
+ pkt->setLE(retData8);
break;
default:
- panic("invalid access size!\n");
+ if (params()->fake_mem)
+ std::memset(pkt->getPtr<uint8_t>(), 0, pkt->getSize());
+ else
+ panic("invalid access size! Device being accessed by cache?\n");
}
- pkt->makeAtomicResponse();
}
return pioDelay;
}
Tick
IsaFake::write(PacketPtr pkt)
{
- if (params()->warnAccess != "") {
+ pkt->makeAtomicResponse();
+ if (params()->warn_access != "") {
uint64_t data;
switch (pkt->getSize()) {
case sizeof(uint64_t):
- data = pkt->get<uint64_t>();
+ data = pkt->getLE<uint64_t>();
break;
case sizeof(uint32_t):
- data = pkt->get<uint32_t>();
+ data = pkt->getLE<uint32_t>();
break;
case sizeof(uint16_t):
- data = pkt->get<uint16_t>();
+ data = pkt->getLE<uint16_t>();
break;
case sizeof(uint8_t):
- data = pkt->get<uint8_t>();
+ data = pkt->getLE<uint8_t>();
break;
default:
- panic("invalid access size!\n");
+ panic("invalid access size: %u\n", pkt->getSize());
}
warn("Device %s accessed by write to address %#x size=%d data=%#x\n",
name(), pkt->getAddr(), pkt->getSize(), data);
}
- if (params()->retBadAddr) {
- DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n",
+ if (params()->ret_bad_addr) {
+ DPRINTF(IsaFake, "write to bad address va=%#x size=%d \n",
pkt->getAddr(), pkt->getSize());
pkt->setBadAddress();
} else {
- DPRINTF(Tsunami, "write - va=%#x size=%d \n",
+ DPRINTF(IsaFake, "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>();
+ retData64 = pkt->getLE<uint64_t>();
break;
case sizeof(uint32_t):
- retData32 = pkt->get<uint32_t>();
+ retData32 = pkt->getLE<uint32_t>();
break;
case sizeof(uint16_t):
- retData16 = pkt->get<uint16_t>();
+ retData16 = pkt->getLE<uint16_t>();
break;
case sizeof(uint8_t):
- retData8 = pkt->get<uint8_t>();
+ retData8 = pkt->getLE<uint8_t>();
break;
default:
panic("invalid access size!\n");
}
}
- pkt->makeAtomicResponse();
}
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)