Script for Laboratory: Designing embedded ASIPs - CES

Table of contents
1 Introduction.......................................................................4
1.1 Application specific instruction set processors.............................4
1.2 Goal of the laboratory...................................................................5
2 Working Environment .....................................................6
2.1 Network structure .........................................................................6
2.2 Basic UNIX Commands/Programs...............................................6
2.3 Directory Structure .....................................................................11
2.4 Text editors.................................................................................16
3 Dlxsim ..............................................................................17
3.1 The DLX architecture.................................................................17
3.2 Extending dlxsim........................................................................22
3.2.1 Configuring dlxsim.......................................................................................................22
3.2.2 How to add a new instruction .......................................................................................24
3.2.3 How to add a new instruction-format ...........................................................................25
3.3 Using dlxsim...............................................................................26
3.3.1 Statistics........................................................................................................................28
3.3.2 Debugging with dlxsim ................................................................................................29
4 ASIP Meister ...................................................................32
4.1 Typical challenges while working with ASIP Meister ...............32
4.2 Typical Error Messages and their solutions................................33
4.3 Tutorial for the “Flexible Hardware Model” (FHM)..................35
4.4 Multi cycle FHMs ......................................................................40
4.5 General hints about FHMs..........................................................43
5 ModelSim.........................................................................45
5.1 Tutorial.......................................................................................45
5.1.1 Create a new ModelSim Project ...................................................................................45
5.1.2 Include the testbench and ASIP Meister CPU files ......................................................46
5.1.3 Compile the project ......................................................................................................47
5.1.4 Run the simulation........................................................................................................48
5.1.5 Statistics of the simulation............................................................................................50
5.2 General hints...............................................................................52
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