//
// Cannot use DMI through plug & play devices. This is probably OK for present.
//
bool getDMIPointer(int SocketId, transaction_type& trans, tlm::tlm_dmi& dmi_data)
{
Addr address = trans.get_address();
Addr offset;
int portId = getPortId(address, offset);
Bool result = false;
if(portId >= 0) {
initiator_socket_type* decodeSocket = &initiator_socket[portId];
// send on the transaction with the new address, adjusted for the decoder offset
trans.set_address(offset);
result = (*decodeSocket)->get_direct_mem_ptr(trans, dmi_data);
// put the address back how it was
trans.set_address(address);
// Should always succeed
Addr start = dmi_data.get_start_address();
Addr end = dmi_data.get_end_address();
if (result) {
// Range must contain address
assert(start <= offset);
assert(end >= offset);
}
adjustRange(portId, address, start, end);
dmi_data.set_start_address(start);
dmi_data.set_end_address(end);
}
return result;
}
//==============================================================================
void
dmi_memory::load_dmi_ptr
(
tlm::tlm_dmi &dmi_properties
)
{
report::print(m_ID,dmi_properties,filename);
// m_dmi_properties = dmi_properties;
m_dmi_ptr = dmi_properties.get_dmi_ptr();
m_dmi_read_latency = dmi_properties.get_read_latency();
m_dmi_write_latency = dmi_properties.get_write_latency();
m_dmi_base_address = dmi_properties.get_start_address();
m_dmi_size = dmi_properties.get_end_address()
- m_dmi_base_address;
m_granted_access = dmi_properties.get_granted_access();
return;
}
// Tagged TLM-2 forward DMI method
virtual bool get_direct_mem_ptr(int id,
tlm::tlm_generic_payload& trans,
tlm::tlm_dmi& dmi_data)
{
sc_dt::uint64 masked_address;
unsigned int target_nr = decode_address( trans.get_address(), masked_address );
if (target_nr >= init_socket.size())
return false;
trans.set_address( masked_address );
bool status = init_socket[target_nr]->get_direct_mem_ptr( trans, dmi_data );
// Calculate DMI address of target in system address space
dmi_data.set_start_address( compose_address( target_nr, dmi_data.get_start_address() ));
dmi_data.set_end_address ( compose_address( target_nr, dmi_data.get_end_address() ));
return status;
}
