Subject: DC-WG: 3/21 meeting minutes
From: Mark Hahn (mhahn@cadence.com)
Date: Tue Apr 04 2000 - 07:46:05 PDT
Meeting minutes from the 3/21/00 DC-WG teleconference
-----------------------------------------------------
Attendees:
Mark Hahn, Cadence
Tom Dewey, Mentor
Bob Dilly, IBM
Jim Engel, ITM
Vassilios Gerousis, Infineon
John Paul, IBM
New action items:
Who When What
---------- ------ --------
1. Tom 3/28 Update the spec with changes
2. Bob 3/28 Create a block diagram that shows the
relationship between the TCL interpreter,
DCDL TCL cmds, and the reference parser
Closed action items:
Who When What
---------- ------ --------
1. Tom 3/21 Update the spec with changes
Next Meeting:
The next meeting will be a teleconference on 3/28/00
from 10-12 am (PDT)
Details:
1. Reference parser
Bob is working on the legal issues within IBM to make the
reference parser available through an open source license
agreement. The first step is for IBM to join OVI.
Mentor has done the first integration of the preliminary
version of the parser into a tool. The schedule for adding
support for the full set of commands into the parser is
being worked on. IBM plans to separate the parser from the
"database" of in-memory constraints.
The parser today is implemented to support pure DCDL, and
it needs additional work to fit within a TCL scripting environment.
2. DAC planning
Booth space is available. It's not clear what other groups
will be showing in the booth.
Tom will look into whether it's possible to demo a Mentor
front-end tool, with more presentation than interaction.
Tom played with the PicoJava core. Some of the blocks in
the design are full custom and are modeled as black boxes;
if we were to use the design we would need the contents of
the blocks.
2. Discuss modes
We agreed to add the functional_mode command, as there is
little controversy on this. We need to decide on the
default behavior when there are multiple modes and mode
groups (are all modes active, or is there a default mode
defined in the library for each component?). OLA follows
the latter approach.
3. Start discussion on scoping commands
We agreed to consolidate current_instance and current_module
into a current_scope command with -instance and -cell options.
To navigate to the top level cell in the design, the -top
option can be used, and moving up one or more levels relative
to the current scope can be done with the -up # option.
There were some unresolved issues with relative path names.
Thanks,
Mark
-- Mark Hahn phone: (408) 428-5399 Senior Architect fax: (408) 428-5959 Cadence Design Systems email: mhahn@cadence.com
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