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cp /unspecified/shell.cmd .

(a) Unspeciﬁed shell command.

sh > cp /unix/shell.command .

(b) Standard UNIX shell command.

dvc > cp /this/is/a/design/vision/\

dvc > shell.cmd .

dvc > cp /copy/another.file .

dcs > cp /this/is/a/design/compiler/\

dcs > shell.cmd .

dcs > cp /copy/another.file .

(d) Design Compiler Shell command.

Figure 2: Diﬀerent representations of console commands, used throughout this exercise.

3 Preparation

In order to start this exercise, you have to do some preparation work, which is described throughout the next subsections.

Student Task: Start by copying the required ﬁles and the respective directory structure using the following command

from your account’s root directory:

sh > /home/vlsi1/u3/install.sh

3.1 Use the Cockpit

The design ﬂow for digital circuits involves a number of different software packages that use different intermediate ﬁles.

The Design Center has developed an interface, i.e., a cockpit that will organize automatically a suited directory structure.

The synthesis-speciﬁc directory structure is highlighted in Figure 3.

.cockpitrc

calibre

encounter

modelsim

simvectors

sourcecode

synopsys

tetramax

DDC

WORK

scripts

netlist

design Configuration for the cockpit

Final layout, DRC and LVS

Simulation tool

Stimuli and expected responses

VHDL sourcecode

Synthesis working directory

Test vector generation, test coverage

Final output netlist (Verilog)

Save files for Synopsys (Synopsys native format)

Run scripts (TCL)

Precompiled libraries for compile_ultra

docs Links to documents

alib

reports

Place and Route tool

Directory to write reports

Figure 3: Directory structure for synthesis step.

Student Task: Change to the created directory and start the cockpit:

sh > cd u3

sh > icdesign umcL65 -update all &

The cockpit will pop up, from which you can start all required design tools.

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