#include "dev/isa_fake.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)
{
- if (!params()->retBadAddr)
+ if (!p->ret_bad_addr)
pioSize = p->pio_size;
- memset(&retData, p->retData, sizeof(retData));
+ retData8 = p->ret_data8;
+ retData16 = p->ret_data16;
+ retData32 = p->ret_data32;
+ retData64 = p->ret_data64;
}
Tick
{
assert(pkt->result == Packet::Unknown);
- if (params()->retBadAddr) {
+ if (params()->warn_access != "")
+ warn("Device %s accessed by read to address %#x size=%d\n",
+ name(), pkt->getAddr(), pkt->getSize());
+ if (params()->ret_bad_addr) {
DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n",
pkt->getAddr(), pkt->getSize());
pkt->result = Packet::BadAddress;
pkt->getAddr(), pkt->getSize());
switch (pkt->getSize()) {
case sizeof(uint64_t):
- pkt->set(retData);
+ pkt->set(retData64);
break;
case sizeof(uint32_t):
- pkt->set((uint32_t)retData);
+ pkt->set(retData32);
break;
case sizeof(uint16_t):
- pkt->set((uint16_t)retData);
+ pkt->set(retData16);
break;
case sizeof(uint8_t):
- pkt->set((uint8_t)retData);
+ pkt->set(retData8);
break;
default:
panic("invalid access size!\n");
Tick
IsaFake::write(PacketPtr pkt)
{
- if (params()->retBadAddr) {
+ if (params()->warn_access != "") {
+ uint64_t data;
+ switch (pkt->getSize()) {
+ case sizeof(uint64_t):
+ data = pkt->get<uint64_t>();
+ break;
+ case sizeof(uint32_t):
+ data = pkt->get<uint32_t>();
+ break;
+ case sizeof(uint16_t):
+ data = pkt->get<uint16_t>();
+ break;
+ case sizeof(uint8_t):
+ data = pkt->get<uint8_t>();
+ break;
+ default:
+ panic("invalid access size!\n");
+ }
+ warn("Device %s accessed by write to address %#x size=%d data=%#x\n",
+ name(), pkt->getAddr(), pkt->getSize(), data);
+ }
+ if (params()->ret_bad_addr) {
DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n",
pkt->getAddr(), pkt->getSize());
pkt->result = Packet::BadAddress;
} else {
DPRINTF(Tsunami, "write - va=%#x size=%d \n",
pkt->getAddr(), pkt->getSize());
+
+ if (params()->update_data) {
+ switch (pkt->getSize()) {
+ case sizeof(uint64_t):
+ retData64 = pkt->get<uint64_t>();
+ break;
+ case sizeof(uint32_t):
+ retData32 = pkt->get<uint32_t>();
+ break;
+ case sizeof(uint16_t):
+ retData16 = pkt->get<uint16_t>();
+ break;
+ case sizeof(uint8_t):
+ retData8 = pkt->get<uint8_t>();
+ break;
+ default:
+ panic("invalid access size!\n");
+ }
+ }
pkt->result = Packet::Success;
}
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<uint8_t> ret_data;
- 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(ret_data, "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->retData = ret_data;
- p->platform = platform;
- p->system = system;
- return new IsaFake(p);
+ return new IsaFake(this);
}
-
-REGISTER_SIM_OBJECT("IsaFake", IsaFake)