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Transcript of COAVL: A Virtual Lab on Computer Organization and...
![Page 1: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/1.jpg)
COAVL: A Virtual Lab on Computer Organizationand Architecture
Chittaranjan Mandalwith
Gargi Roy and Devleena GhoshPresenter: Partha De
Dept of Computer Sc & EnggIIT Kharagpur
COAVL PresentationFebruary 27, 2015
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 1 / 36
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Virtual lab objective and relevance
COA is a core course in the curriculum of CSE, EE and ECE
Laboratory experiments essential to understanding basics
Most places used bread board based setup
Drawbacks
1 Limits the size andextent ofexperiments
2 Time consuming
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 2 / 36
![Page 3: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/3.jpg)
Virtual lab objective and relevance
COA is a core course in the curriculum of CSE, EE and ECE
Laboratory experiments essential to understanding basics
Most places used bread board based setup
Drawbacks
1 Limits the size andextent ofexperiments
2 Time consuming
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 2 / 36
![Page 4: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/4.jpg)
Virtual lab objective and relevance
COA is a core course in the curriculum of CSE, EE and ECE
Laboratory experiments essential to understanding basics
Most places used bread board based setup
Drawbacks
1 Limits the size andextent ofexperiments
2 Time consuming
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 2 / 36
![Page 5: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/5.jpg)
Virtual lab objective and relevance contd..
FPGA based lab to overcome this limitation
Also has some limitations:
Learning curve with FPGAs somewhat highExpensiveLogistics barrier of running lab
Hence virtual lab, especially for most institutions
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 3 / 36
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Experiments designed using concept hierarchy
Computer Arithmetic related
Design of a Ripple Carry Adder
Design of a Carry-Look-AheadAdder
Design of Wallace Tree Adder
Synthesis of flip-flops
Design of Registers andCounters
Design of CombinationalMultipliers
Design of Booth’s Multiplier
Design of an ALU
Memory related
Design of Memory elements
Design of Associative cachewithout replacement policy
Design of Direct Mappedcache without replacementpolicy
CPU design related
Design of single instruction CPU
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 4 / 36
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Web interface of COLDVL
Pedagogic considerations are reflected in web interface
Web interface includes set of experiments, manual, others
Web interface of each experiment
Theory
Objective
Guideline to check key behavior of the designTest planAssignments
Procedure
Experimentation platform (generic simulation platform)considered
Quizzes
Further reading
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 5 / 36
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Features of the COAVL simulator
The simulator supports 5-valued logic [ True(T)(wire color: blue)False(F)(wire color: black) High impedence(Z)(wire color: green)Unknown(X)(wire color: maroon) Invalid(I)(wire color: orange) ]
Capable of simulating combinational circuits and synchronoussequential circuits
Control signal generation from a user given ASM chart
Bus based design with wired AND operation to CPU design
Includes a single instruction CPU design with built-in controller
Saving with Identification to check plagiarism
Circuit analysis through different wire colors
Minimal server dependency by having client side simulation
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 6 / 36
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COAVL simulator interface
The simulator has the following:
Graphical editorA canvas to design the circuitClick and Drop method to add the componentsDifferent functional buttons like undo/redo, delete,zoom, save/open, print, showing timing diagram etc.
Palette Tools like connection, selection, cloneAll types of logic gates and flip-flopsInputs including free running clockDisplay unitsAdders, decoders, multiplexers, registers, counters etc.Arithmetic logic units, memory elements including cachememoryControllerOther complex components like single instruction CPU,4 bit address working memory etc.
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 7 / 36
![Page 10: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/10.jpg)
COAVL simulator interface
The simulator has the following:
Graphical editorA canvas to design the circuitClick and Drop method to add the componentsDifferent functional buttons like undo/redo, delete,zoom, save/open, print, showing timing diagram etc.
Palette Tools like connection, selection, cloneAll types of logic gates and flip-flopsInputs including free running clockDisplay unitsAdders, decoders, multiplexers, registers, counters etc.Arithmetic logic units, memory elements including cachememoryControllerOther complex components like single instruction CPU,4 bit address working memory etc.
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 7 / 36
![Page 11: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/11.jpg)
COAVL simulator interface
The simulator has the following:
Graphical editorA canvas to design the circuitClick and Drop method to add the componentsDifferent functional buttons like undo/redo, delete,zoom, save/open, print, showing timing diagram etc.
Palette Tools like connection, selection, cloneAll types of logic gates and flip-flopsInputs including free running clockDisplay unitsAdders, decoders, multiplexers, registers, counters etc.Arithmetic logic units, memory elements including cachememoryControllerOther complex components like single instruction CPU,4 bit address working memory etc.
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 7 / 36
![Page 12: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/12.jpg)
COAVL simulator interface
The simulator has the following:
Graphical editorA canvas to design the circuitClick and Drop method to add the componentsDifferent functional buttons like undo/redo, delete,zoom, save/open, print, showing timing diagram etc.
Palette Tools like connection, selection, cloneAll types of logic gates and flip-flopsInputs including free running clockDisplay unitsAdders, decoders, multiplexers, registers, counters etc.Arithmetic logic units, memory elements including cachememoryControllerOther complex components like single instruction CPU,4 bit address working memory etc.
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 7 / 36
![Page 13: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/13.jpg)
COAVL simulator interface
The simulator has the following:
Graphical editorA canvas to design the circuitClick and Drop method to add the componentsDifferent functional buttons like undo/redo, delete,zoom, save/open, print, showing timing diagram etc.
Palette Tools like connection, selection, cloneAll types of logic gates and flip-flopsInputs including free running clockDisplay unitsAdders, decoders, multiplexers, registers, counters etc.Arithmetic logic units, memory elements including cachememoryControllerOther complex components like single instruction CPU,4 bit address working memory etc.
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 7 / 36
![Page 14: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/14.jpg)
COAVL simulator interface
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 8 / 36
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Component drawers in COAVL simulator
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 9 / 36
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Component drawers in COAVL simulator
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 9 / 36
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Component drawers in COAVL simulator
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 9 / 36
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Component drawers in COAVL simulator
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 9 / 36
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Component drawers contd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 10 / 36
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Component drawers contd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 10 / 36
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Component drawers contd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 10 / 36
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Building a circuit
Components
I1 I2
D1 D2 D3 D4 D5
Simulate Components
I1 I2
D1 D2 D3 D4 D5
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 11 / 36
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Building a circuit
Components
I1 I2
D1 D2 D3 D4 D5
Simulate Components
I1 I2
D1 D2 D3 D4 D5
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 11 / 36
![Page 24: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/24.jpg)
Building a circuit
Components
I1 I2
D1 D2 D3 D4 D5
Simulate Components
I1 I2
D1 D2 D3 D4 D5
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 11 / 36
![Page 25: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/25.jpg)
Building a circuit
Components
I1 I2
D1 D2 D3 D4 D5
Simulate Components
I1 I2
D1 D2 D3 D4 D5
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 11 / 36
![Page 26: COAVL: A Virtual Lab on Computer Organization and Architecturevlabs.iitkgp.ernet.in/coa/files/coavlSlides.pdf · COAVL: A Virtual Lab on Computer Organization and Architecture Chittaranjan](https://reader030.fdocuments.us/reader030/viewer/2022021521/5b5b4f627f8b9a01748dc3c1/html5/thumbnails/26.jpg)
Building a haff adder circuit
To instantiate a component left click on the component icon
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 12 / 36
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Instantiating a component contd..
Drop the component at desired position
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 13 / 36
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Connecting components
left click on the connection tool
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 14 / 36
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Connecting components contd..
left click on the output terminal, move the mouse to the desired inputterminal
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 15 / 36
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Haff adder circuit
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 16 / 36
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Clonning components
left click on the selection tool
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 17 / 36
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Clonning components contd..
Select the desired components to be clonned
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 18 / 36
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Clonning components contd..
left click on the clone tool
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 19 / 36
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Clonning components contd..
Drag from any selected component
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 20 / 36
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Simulating circuits
Click on the Simulate button in the top toolbar
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 21 / 36
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Clock waveform
1 Click the Show waveform button to see the waveform2 Red arrow indicates the bottun to start the clock3 Violet arrow indicates the bottun to see the component name
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 22 / 36
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Simulating sequential circuits
Red arrow indicates the bottun to see the pin configuration of a component
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 23 / 36
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Simulating sequential circuits contd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 24 / 36
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Change connection type
c1
c3
c2
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 25 / 36
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Change connection type
c1
c3
c2
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 25 / 36
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Change connection type
c1
c3
c2
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 25 / 36
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Generating control sugnals from a given ASM chart
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 26 / 36
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Generating control sugnals from a given ASM chartcontd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 27 / 36
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Generating control sugnals from a given ASM chartcontd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 28 / 36
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Generating control sugnals from a given ASM chartcontd..
Red arrow indicates the bottun to reset the controller
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 29 / 36
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Loading working memory to examine the behavior ofthe single instruction CPU component
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 30 / 36
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Showing working memory content at any point oftime
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 31 / 36
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Connecting the CPU with working memory
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Saving components with identification
Click the save button
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Saving components with identification contd..
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 34 / 36
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Saving components with identification contd..
Click the Show User Id button to see identification in a saved file
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Thank you!
C Mandal, G Roy, D Ghosh (IIT Kharagpur)COAVL: A Virtual Lab on Computer Organization and ArchitectureCOAVL-27February2015 36 / 36