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  • rom bist scripts

    rom bist 的input 有rom_content file 。校验rom还坏,主要通过signature比较。signature跟rom content file 一一对应的。

    rom bist scritps主要有三个:

           1.rom_mbist_run: call mbistarchitect tool

           2.rom_run.do:run rom bist flow

           3.rom_mbist.do: 定义算法ROM1 输出 主要跟rom bist FSM 有关

    rom_mbist_rum:

    mbistarchitect ../netlist/rom_top.v  -top rom_top    -logfile rom_bist_log  -insertion -dofile  ../scripts/run.do -lverilog ../models/rom_instance.v -rep

    rom_run.do:

    load library ../models/rom_instance.lib

    add new port bist_mode -dir in

    add new port bist_done -dir out

    add new port bist_fail -dir out

    reports clocks

    report pin sharing

    set system mode bist

    report memory instances

    add new controller u_top_bist -do ../scripts/rom_mbist.do  u_rom_instance

    report memory instances

    add pin mapping bist_mode u_top_bist/test_h

    add pin mapping bist_done  u_top_bist/bist_done

    report pin mapping

    insert bist logic

    report controllers

    save design -rep -inc rtl

    set system mode int

    add pattern translation -all

    integrate pattern

    report pattern translation

    report controller description

    save patterns mapped.v -rep -verilog

    exit

    rom_mbist.do:

    reset state

    add memory model rom_instance_module_name -filename  ../models/rom_content_file  -collar rom_instance_collar_name

    setup mbist algorithms rom1/rom2

    setup observation scheme -compress

    setup mbist compressor -localcomparator

    report mbist algrorithms

    set bist insertion -on

    setup memory clock -test

    setup memory test -con

    set design name controller -module  controller_name

    set file naming -bist rom_bist.v

    set file naming -con rom_bist_con.v

    set file naming -test rom_bist_tb.v

    set file naming -wgl rom_bist_wgl.v

    set file naming -ctdl rom_bist.ctdf

    report design name

    report pin name

    run

    report pin name

    save bist -verilog -replace

    report environment

    exit -d

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  • 原文地址:https://www.cnblogs.com/chip/p/5147005.html
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