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OVM
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  • Pass Sequencer to RAL Block

Pass Sequencer to RAL Block

OVM 2521
ovm 14 API to access Ral... 3 sequencer 1
Darshan@Dehuniya
Darshan@Dehuniya
Full Access
17 posts
May 29, 2014 at 5:25 am

Hi all,

I have created RAL model in UVM , there we have a specific method, by using that i can pass sequencer to RAL block.

tb_cfg.uart_reg_model2.uart_map.set_sequencer(agth[1].seqr, regadp);

Regisre_name.write(status, data, .parent(null));

so, after connection, by using write api, i can update register value in ral MODEL...

My question is,,, How same thing i can do with OVM.?? till now i found only bus_write(), bus_read() method,,,,

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Solution

cgales
cgales
Forum Moderator
1988 posts
May 29, 2014 at 5:32 am

The UVM Register Package has been ported to OVM to give you the same functionality. You can read about it in the OVM Cookbook.

Darshan@Dehuniya
Darshan@Dehuniya
Full Access
17 posts
May 29, 2014 at 5:57 am

In reply to cgales:

Hi cgales,

The UVM Register Package has been ported to OVM to give you the same functionality. does that mean , i have to write my whole register model, adapter,map,etc by extending from UVM base classes or should i change every "U" to "O".

or simply i can use the working uvm register model with my ovm test bench??

thanks

cgales
cgales
Forum Moderator
1988 posts
May 29, 2014 at 8:39 am

In reply to Darshan@Dehuniya:

The OVM version of the UVM Register Package has everything the was uvm_* converted to ovm_*, so yes, you will have to change everything from uvm_* to ovm_*. The Mentor tools which generate Register Packages from user definitions provide you the option to create either a UVM version or OVM version. Other tools may vary.

Bhautik Baraiya
Bhautik Baraiya
Full Access
5 posts
June 02, 2014 at 5:45 am

In reply to cgales:

Hi cgales,

after importing the "uvm_reg_pkg" i tried to compile my register model code by changing all uvm_* to ovm_*. It is not working and showing below errors.

Error: ../register_model/spi_all_reg.sv(5): near "ovm_reg": syntax error, unexpected IDENTIFIER

It was working fine, if I revert back all ovm_* to uvm_*.

Please, let me know, what might be the problem for my errors.

cgales
cgales
Forum Moderator
1988 posts
June 04, 2014 at 11:16 am

In reply to Bhautik Baraiya:

When you are using the UVM Register package with OVM, you should import ovm_register_pkg::* when you want to utilize it. If you are using UVM, there is never a need to import any register package as it is part of UVM. It looks like you are using an old uvm_reg_pkg which is no longer needed with UVM.

Darshan@Dehuniya
Darshan@Dehuniya
Full Access
17 posts
June 04, 2014 at 8:48 pm

In reply to cgales:

Hi cgales,

from when i can download new ovm_register_pkg?

i have ovm_register2.0 packege.

in that i couldn't find ovm_reg_adapter.svh file. does it mean ovm is not support adapter??

one more question: in ovm_register2.0 pkg , i have found ovm_register_agent_pkg.sv file, in this file they have declared ovm_register_driver, ovm_register_monitor , ovm_register_sequencer... How can i use them? what is use of that agent and class?? share any example if you have...

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