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TCI Status Meeting Suet-Fei Li March 6, 2000 Clr STD S1 S0 S2 VCC Implementation flow- Software White C Fernando’s script White C White Imp C for all the behv blocks Top Level Description Comms.c Instantiated Instances Inst_I_#.c CPU_1.exe VCC Software Export

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Tci status meeting l.jpg

TCI Status Meeting

Suet-Fei Li

March 6, 2000


Vcc implementation flow software l.jpg

Clr STD

S1

S0

S2

VCC Implementation flow- Software

White C

Fernando’s script

White C

White Imp

C for all the

behv blocks

Top Level

Description

Comms.c

Instantiated

Instances

Inst_I_#.c

CPU_1.exe


Vcc software export l.jpg
VCC Software Export

  • Current (Amazon) release of Whitebox -C Simulation -> Implementation has a number of known limitations/problems with the translation of particular C constructs. All known Whitebox-C implementation PCRs are scheduled to be fixed for the Seine release.

    • Currently Lynx does not support partially mapped designs. All blocks in behavior are mapped to at least something in the architecture.

    • The Links to Implementation rely on simulation for the generation of type header files.

    • For our CRC example, functions declared within the file scope are added the id parameter which should not happen.

  • Solution?

    • Write Black box-C implementation.

    • Figure out the limitations and try to avoid them in the behavior c code.

    • Max Chiodo is coming tomorrow to help us out.


Vcc implementation flow hardware l.jpg

Clr STD

S1

S0

S2

VCC Implementation flow- Hardware

White C

  • Synthesis result for the Physical send block.:

  • Total cell area: 15624.000000

  • The longest path : 6.13 ns

stateflow

sf2vhdl

  • Overall process pretty straight forward

  • sd2vhd tool was broken for the condition action statements.

  • Stateflow has to be converted from Mealy to Moore form.

Synthesizable

VHDL


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