Changing the type of a ml_tlm1 with the UVM factory
Hi, is it possible to change the type of a ml_tlm1 by using the UVM factory? Inside the UVC environment class: uvm_ml::ml_tlm1#(eq_transaction)::register(agent.monitor.in_port); In a test or in the...
View ArticleError: (E113) insert primitive channel failed: simulation running In file: ...
Can someone know this problem in systemc by using VS 2010: Error: (E113) insert primitive channel failed: simulation running In file:... Thanks!
View ArticleError: (E402) operation failed: div_by_zero<Type>( Type ) : division...
Error: (E402) operation failed: div_by_zero<Type>( Type ) : division by zero In file: d:\systemc-2.3.0\systemc-2.3.0\systemc-2.3.0\src\sysc\datatypes\int\sc_ nbutils.h:649
View ArticleIssue with b _transport
Hello , i have a scenario where there is tlm scokets btw two module Module 1 have two threads A & B running independently and module 2 has single thread C now i problem is thread1 is activated...
View ArticleTlm sockets
Hi guys I have some models written using tlm initiator/target sockets. In one of the model there are two target sockets abd there is one b_transport method. In this method is there a way to know on...
View ArticlesystemC TLM projects
hai to all Iam karthik,doing my masters in VLSI DESIGN ,i found my interest in system level design and i wish to do project in systemcTLM based simulation.As a starter ,learning...
View ArticleVerifing virtual platform with device driver
Hello guys , i am into development of UFS(Universal Flash Storage) which follows SCSI based commands ....Now i have developed its model and wish to verify this model with device driver available in...
View ArticleProducer-Consumer
Hi, I was wondering if it is possible to model the producer-consumer problem using LT (b-transport) when we have 1 producer and 2 consumers? In this case, I guess, we need a buffer in the middle and...
View ArticleSending all transactions, arriving at several targets, from one initiator
Hi All, I'm quite new to TLM and have just joined this forum. I'd appreciate if you could help me to clarify one probably very simple question. I have N targets and one initiator. Each target handles...
View ArticleIssue with circular buffer
Hi All, I'm new at this forum. I encounter problem with circular_buffer. Let me explain it on simple example (code is from circular_buffer.h): I have a circular_buffer with few elements . After...
View ArticleIssue with Virtual platform integration
I have a virtual platform(versatilepb based) which I am using to validate my Universal flash subsystem(UFS) host controller TLM model. From OS, when it issue SCSI command, the underlying ufshcd driver...
View Articlenon bloking transport
Hi TLM Experts, Dose anyone have a material related to nonbloking trasnsport,which help me to understanging the PHASES & PEQ ? please, send it to me or give link of that. I can't...
View Articlebind socket between tlm and simple initiator socket
Hi, recently I tried to conncted socket between tlm initiator socket to simple initiator socket, my code is shown as below: (actually I modify from example "at_4_pahse") In select_initiator.h, I...
View ArticleTLM Sockets
Hi Guys Is it possible to connect one tlm_initiator_socket to more than one tlm_target_socket and vice versa. If no, why? And what about one tlm_initiator_socket to more than one tlm_initiator_socket...
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AMBA PV extensions
Hi, Can anyone help me in throwing light on the use cases of AMBA PV extensions? When one should use it ? Can it be used for building a AHB/APB to TLM converter ? Also, can anyone please help me...
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Possible bug in...
Hi, The code below in this function may be not appropriate. //get the interfaces bound to the top of the hierachical bind chain // NOTE: this could be the same socket if there is no...
View Article[GDB] Unable to access debug data
Hi guys, I am having some trouble with GDB and the SystemC library. I have searched for similar topics but couldn't find anything relevant. Here is the case: I have a message_queue.hpp which inherits...
View ArticleConvenience Socket for NoC Mesh
Hi Accellera forum, I have an NoC Mesh that is using convenience tagged socket for its North, South, West, and East socket. Then I also have initiator socket and target socket, to connect this NoC...
View ArticleWhats Stoping systemc/TLM based model from replacing hardware ?
Hello guys, well with systemC modelling appoarch is becoming more accurate in recent times .. I wish to discuss here that why do we need to go for synthesizable systemC ... why can't we just replace...
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How does simple_initiator_socket get access to b_transport?
I am a bit confused by the usage of the b_transport function in the file examples/tlm/common/src/lt_initiator.cpp. The lt_initiator class has a simple_socket_initiator member that is calling the...
View Articlehands on experience on not so simple project
Hi everyone, I've recently started to wonder what kind of project I can start with to get my hands on SystemC and TLM. I know there are tons of tutorials, getting started like materials, open...
View ArticleIntroduction to SystemC TLM Verification
Hi all, After developing a virtual platform using SystemC with TLM, and also several peripherals (IP) model in high-level (LT), I realised that if in RTL design there is a UVM to say that the...
View ArticleError: (E124)
Hello All, I am trying to create a generic TLM interface for 2 to 3 modules . In which i am virtually inherting the tlm interface . But i am getting an error . Could you tell me the cause of error....
View ArticleInformation required on SC_STOP
Hi All, For certain drivers testing I have a model in which, my init threads starts the systemC kernel. Now I have a scenario where, I call sc_stop at end of one test case. Now I need to call systemC...
View ArticleDetermining appropriate delay time
Good day, I have a question regarding how to determine the appropriate delay value for the wait( ) function call. In the target b_transport callback, we can add delay to the simulation time by...
View ArticleSystemC TLM Custom Payload
Hi, I'm newbie to SystemC TLM, coming from SystemVerilog UVM world. I would like to model our RTL in SystemC using TLM2.0 to speed up our Software Development process. Our RTL is not memory mapped...
View ArticleTLM2 endianness rules
Hi Guys In TLM2 LRM, under section 14.18.2, I am not fully understand the following points Rule i) The effective word length shall be calculated as (BUSWIDTH + 7)/8 bytes. >> from where this...
View ArticleError E124 sc_export instance not bound
Hello Forum, I get the error: WARN SystemC - 0.0/000: Error: (E124) sc_export instance not bound to interface at end of construction: export 'top.cpu.PV.export_0'...
View ArticleHow to use TLM1 examples with systemC-2.3.1
Hi, When I trying to compile the provided TLM-1 examples (package 2005-04-28) using systemC-2.3.1, I got errors. Are these examples not compatible with systemC-2.3.1 ? Or is there some thing to be...
View ArticleTLM 2.0 in System Verilog
Hi All, Well am trying to integrate TLM based SystemC model with UVM environment VIP.For SystemC port binding is working fine in UVM top.sv file .But how can i bind TLM sockets(initiator and...
View ArticleTLM sample running error
Hi, I am a beginner in systemc. I installed systemc in vs2015. When I finished load TLM1.0 utils,tlm,basic_protocol,user into directories. I got two errors 1 unresolved externals and LNK 2019....
View ArticleA little bit confused about "delay" of b_transport
Read some examples about TLM and find the calls about "b_transport" with delay. But all of them just ignore it in the implementation. The sc_time_stamp() from both initiator and target are the same...
View ArticlePort context in interface functions
Is there a way to know in a channel interface function in which port context it is called? In my scenario I have a interface with read and write function. Now I have an initiator model with two ports...
View Articlearray of tlm generic payload
Hello, I tried to make an array like tlm_generic_payload buffer[10] and then buffer[i] = a, which a is another tlm_generic_payload object. However it gives me an tlm_gp.h:199 error during...
View ArticleWhy 16 write commands are generated in at_4_phase TLM example (Systemc 2.3.1)?
I am learning the TLM example at_4_phase in the SystemC 2.3.1 package. But I don't know why there are 16 WRITE commands are generated by the traffic_generator? From my understanding, the...
View ArticleSimulation ends after b_transport: why?
Hello, I used b_transport in of my TL models to exchange data from a transactor to a memory. It was a read/write/reset operation kinda thing. Data from memory is transferred to another module...
View ArticleModelling of external events for a Virtual Platform
Hi, my task is to set up a virtual platform using systemc and tlm 2.0 for embedded software development. The software developer should write a stimulus file and download it in the virtual platform...
View Article"no matching function for call to ...b_transport" in ModelSim 10.4a
Hello, I'm trying to compile a design with a TLM2 socket (simple_initiator_socket) in ModelSim (sccom). So far, the compiler returns an error saying that there is no function called b_transport....
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Error: (E100) port specified outside of module: port...
Hi all, I just working with TLM systemC, I'm trying to complete a simple example, but I got a error: Error: (E100) port specified outside of module: port 'simple_target_socket_0_port_0'...
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doulos's example is fails
Hi all, I just have started with TLM 2.0. I'm trying complete doulos's example but it's fails. I have 2 modules: Initiator and Memory. I want to transmit "data" from Initiator throught Memory, but...
View Articleproblem with doulos's "routing" example
Hi all, I tried working with "routing" example on https://www.doulos.com/knowhow/systemc/tlm2/tutorial__3/ , but it's fails...
View Articleerror C2259: 'sc_core::sc_trace_file' : cannot instantiate abstract class
Hi all, Help me a problem, please. I'm working with example on site https://www.doulos.com/knowhow/systemc/tlm2/tutorial__3/ , I have tried generating a vcd file but it's error 1>------ Build...
View ArticleHelp me about routing example
I have an example of systemc which implements "and" function. I have assigned 4 value for input signal but it have implemented only 1 value. help me please! #define SC_INCLUDE_DYNAMIC_PROCESSES...
View ArticleResearch problem
I started doing my PhD on high level synthesis of medical image processing....so any body plz suggest any one research problem
View Articlepeq_with_get VS peq_with_cb_and_phase
Hi all, I'm struggling to figure out the difference between peqs. I wrote my own codes but I don't see any usage case difference. Let me to show a simple example for a Target (not a real code but...
View ArticleBackwards generic_payload
Hello All, I have some confusion on the usage of the generic payload on the backwards path (e.g. AT nb_transport usage). At first glance, I would expect the target to re-use the generic_payload that...
View ArticleAccessing to a shared variable
Hi all. I'm testing some codes to better understanding tlm. In this moment I have a block with this variable : std::map <tlm::tlm_generic_payload*, unsigned int> queue; Basically a...
View ArticleGood TLM Tutorial needed
Dear all, can anyone tell me about some good resources (books, tutorials etc) from where i can learn TLM. Waiting for your reply
View Articletlm_fifo content safety
Hi, I am used to making containers with boost::shared_ptr<T> as a data type. I expected tlm_fifo to have similar semantics to STL containers, such as copy on push (tlm_fifo::put) But I am...
View ArticleQemu interface with upper layers
Hi All, I'm new to virtual platform .What is the interface between Qemu and kernal(drivers )?? And how it's integrated ?? Could you please refer me documents or some stuff related to this ??...
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