* Isa Fake Device implementation
*/
+#include "dev/isa_fake.hh"
+
#include "base/trace.hh"
#include "debug/IsaFake.hh"
-#include "dev/isa_fake.hh"
#include "mem/packet.hh"
#include "mem/packet_access.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 (!p->ret_bad_addr)
- pioSize = p->pio_size;
-
retData8 = p->ret_data8;
retData16 = p->ret_data16;
retData32 = p->ret_data32;
Tick
IsaFake::read(PacketPtr pkt)
{
-
pkt->makeAtomicResponse();
+
if (params()->warn_access != "")
warn("Device %s accessed by read to address %#x size=%d\n",
name(), pkt->getAddr(), pkt->getSize());
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");
}
}
return pioDelay;
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()->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");