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readme: hw dev make awesome

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Ciro Santilli
2018-09-14 08:08:05 +01:00
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@@ -266,7 +266,16 @@ and once again, there is your message: QEMU communicated it to the Linux kernel,
You have now gone from newb to hardware hacker in a mere 15 minutes, your rate of progress is truly astounding!!!
BTW: if you want to be a real hardware hacker, it just can't be done with open source tools as of 2018. The root obstacle is that link:https://en.wikipedia.org/wiki/Semiconductor_fabrication_plant[Silicon fabs] don't publish reveal their link:https://en.wikipedia.org/wiki/Design_rule_checking[design rules], which implies that there are no decent standard cell libraries, which implies that you can't get decent power performance and area estimates, see: https://www.quora.com/Are-there-good-open-source-standard-cell-libraries-to-learn-IC-synthesis-with-EDA-tools/answer/Ciro-Santilli The only thing you can do with open source is purely functional designs with Verilator, but you will never know if it can be actually produced and how efficient it can be.
Seriously though, if you want to be a real hardware hacker, it just can't be done with open source tools as of 2018. The root obstacle is that:
* link:https://en.wikipedia.org/wiki/Semiconductor_fabrication_plant[Silicon fabs] don't publish reveal their link:https://en.wikipedia.org/wiki/Design_rule_checking[design rules]
* which implies that there are no decent link:https://en.wikipedia.org/wiki/Standard_cell[standard cell libraries]. See also: https://www.quora.com/Are-there-good-open-source-standard-cell-libraries-to-learn-IC-synthesis-with-EDA-tools/answer/Ciro-Santilli
* which implies that people can't develop open source link:https://en.wikipedia.org/wiki/Electronic_design_automation[EDA tools]
* which implies that you can't get decent link:https://community.cadence.com/cadence_blogs_8/b/di/posts/hls-ppa-is-it-all-you-need-to-know[power performance and area] estimates
The only thing you can do with open source is purely functional designs with link:https://en.wikipedia.org/wiki/Verilator[Verilator], but you will never know if it can be actually produced and how efficient it can be.
If you really want to develop semiconductors, your only choice is to join an university or a semiconductor company that has the EDA licenses.
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