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5.2. WHAT TO INCLUDE IN THE LAB REPORT
59
5.2 What to Include in the Lab Report
The lab report should contain all source code that you have written. (The source code
should of course be commented.) We would also like you to include a block diagram
of your hardware. If you have written any FSM you should include a state diagram
graph of the FSM.
We would also like you to discuss the following questions in detail somewhere in
your lab report
1
:
• How does your hardware work?
• How did you verify that your hardware worked?
• How did you modify the software?
• A timing diagram.
• What is the utilization of your accelerator?
• What is the performance of jpegtest with DMA enabled?
• How long does it take (on average) to read a macroblock into the DCT acceler-
ator via DMA?
• How much is the wishbone bus used by the DMA unit and how much is the bus
used by the CPU?
And of course, the normal parts of a lab report such as a table of contents, an intro-
duction, a conclusion, etc. The source code that you have written should be included
in appendices and referred to from the main document.
1
In order to answer some of these questions you will probably have to modify the performance coun-
ters you added in lab 1 and add support for (at least) the DMA bus master to it.
- Laboratory manual for TSEA44 1
- Contents 3
- CONTENTS 4
- The system 7
- 1.2 Hardware 8
- 1.2. HARDWARE 9
- 1.2.3 Virtex-II 4000 FPGA 10
- 1.3 Open RISC 11
- CHAPTER 1. THE SYST EM 12
- 1.3.3 OR1200 CPU 13
- 1.3.5 Memory Controller 15
- 1.3.6 Ethernet Controller 15
- 1.4 Software 16
- 1.4. SOFTWARE 17
- 1.4.4 µClinux 20
- Lab task 0 - Build a UART in 23
- 2.2.2 The hardware 24
- 2.2.3 A simple testbench 24
- 2.2. A SIMPLE UART 25
- 2.3 Exercises 26
- Preparation task 1 26
- Laboration task 1 26
- 2.4 gtkterm usage 27
- Wishbone bus 29
- Master Slave 30
- 3.2.1 A Wishbone Interconnect 31
- 3.3 A Simple Computer 32
- Preparation task 2 33
- Preparation task 3 34
- Preparation task 4 34
- Laboration task 2 35
- 3.4 A Benchmark Program 36
- 3.4. A BENCHMARK PROGRAM 37
- Preparation task 5 38
- Laboration task 3 39
- 3.6 Useful Commands 40
- 3.7.1 A Note on Volatile 41
- Lab task 2 - Design a JPEG 43
- Preparation task 6 44
- 4.2.2 Distributed RAMs 45
- Preparation task 7 46
- Laboration task 4 47
- Laboration task 5 47
- 4.3 Introduction to µClinux 47
- Laboration task 6 47
- Laboration task 7 48
- 4.4 Introduction to jpegfiles 48
- Preparation task 8 49
- Laboration task 8 50
- Laboration task 9 50
- 4.5 Timestamps 50
- 4.6 Quantization 51
- Preparation task 9 52
- 4.7 Tips and tricks 53
- Lab task 3 55
- WAITREADY 56
- GETBLOCK 56
- WAITREADY_LAST RELEASEBUS 56
- 5.1.2 jpeg_dma.sv 56
- Preparation task 10 58
- Laboration task 10 58
- Laboration task 11 58
- Laboration task 12 58
- CHAPTER 5. LAB TASK 3 60
- Chapter 6 61
- Preparation task 11 62
- Preparation task 12 62
- 6.2 Adding a New Instruction 62
- 6.3 Proposed Architecture 63
- 6.4 Hardware Implementation 64
- 6.5 Software Implementation 65
- Laboration task 13 67
- Laboration task 14 67
- 6.7 Tips and tricks 68
- 6.9 Beyond tsea44 70
- Bibliography 71
- BIBLIOGRAPHY 72
- Open RISC Reference Platform 73
- A.2 Interrupts 74
- The Wishbone specification 75
- B.2 Interface signals 76
- −WSS−CLK_I 77
- B.5 System Verilog Interface 79
- Tips & Trix 81
- APPENDIX C. TIPS & TRIX 82
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