减少modelsim仿真warning数量

最新推荐文章于 2024-01-03 01:12:29 发布

yywbingo

最新推荐文章于 2024-01-03 01:12:29 发布

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文章标签： command warnings tcl file menu system

本文链接：https://blog.youkuaiyun.com/yywbingo/article/details/5496911

本文介绍了在使用Modelsim进行仿真过程中如何有效抑制过多警告信息的方法。提供了三种实用方案：编辑Modelsim初始化文件、利用TCL变量设置以及通过GUI菜单操作来关闭特定警告。此外，还介绍了如何通过修改modelsim.ini文件中的suppress参数来过滤指定警告编号。

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在用 modelsim仿真时Warning太多，自己打印出来的仿真结果都没办看了，而且这些warning是可以忽略，网上查了查，这么解决：

solution 1 - editing MODELSIM initialisation file
----------
go to Modelsim installation, then you should find "modelsim.ini" under the
path . First, to edit this file, you need to make it write enable; turn remove the READ-only protection.

; Turn off warnings from the std_logic_arith, std_logic_unsigned
; and std_logic_signed packages.
StdArithNoWarnings = 1 [removing the semicolon]; Turn off warnings from the IEEE numeric_std and numeric_bit packages.
NumericStdNoWarnings = 1 [removing the semicolon]

Save the file and make it READ-only.

solution 2- using ModelSIM TCL variable
----------
Assuming that you are working the batch/TCL command driven in the GUI mode, after you execute the "vsim" command

type: (this is TCL command)

set StdArithNoWarnings 1
set NumericStdNoWarnings 1

then, type
run -all (or similar)

solution 3- using ModelSIM GUI menu
----------
Assuming that you are working the GUI interactive, after you execute the "vsim" command

halt the simulation using break command

Go to ModelSIM menu, click on Simulate -> SIMULATION options ->

Check on
StdArithNoWarnings Disable
NumericStdNoWarnings Disable

Continue to run your simulation

then, type
run -all (or similar)

--------

还有一种方法是改modelsim.ini里的suspress参数，加上需要过滤的warning号，像这样

[msg_system]

; Change a message severity or suppress a message.

; The format is: = [,...]

; Examples:

; note = 3009

; warning = 3033

; error = 3010,3016

; fatal = 3016,3033

suppress = 3009,3016,3043,8233,3017,3022

; The command verror can be used to get the complete

; description of a message.

这些都是从文档里知道的，其实最后的方法是把warning信息定位到一个文件中，想看什么就看什么，想怎么处理就怎么处理。

ref:
http://www.edaboard.com/ftopic80664.html
http://www.ht-lab.com/howto/modelsim/Modelsim_tips.html