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Re: [Qemu-devel] [RFC] extensions to the -m memory option

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC] extensions to the -m memory option
Date: Fri, 29 May 2015 22:15:46 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

On 29/05/2015 22:13, Liviu Ionescu wrote:
>>> You can use -drive
>>> if=mtd,snapshot=on,file=null-co://,file.size=128K to start QEMU
>>> with a zero 128K NOR flash.
> did someone else have a faint thought that:
> - the above syntax might be a bit too complicated or non intuitive?

Sure, this can be a problem.  But then in the common case I suspect you
want your flash to be non-zero at startup?

> - specifying NOR flash might not be appropriate for defining the
> internal flash for all Cortex-M MCUs?

In what sense?  Are there other kinds of flash than just NOR and NAND?
(By the way, NOR would be if=pflash; mtd is NAND.  I just picked a
random one).


> I know that this is mainly a linux shop, using large application
> processors, but perhaps we can find a simpler way to accommodate the
> slightly different MCU world.

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