[Replicant] [PATCH v2][ 03/11] freedom-privacy-security-issues: Improve the modem definition

Paul Kocialkowski contact at paulk.fr
Wed Apr 20 07:57:02 UTC 2016


Le lundi 28 mars 2016 à 20:50 +0200, Denis 'GNUtoo' Carikli a écrit :
> I don't know any GSM baseband that can run without their own
> memory.
> 
> Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo at no-log.org>
> ---
>  freedom-privacy-security-issues.php | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/freedom-privacy-security-issues.php b/freedom-privacy-security-
> issues.php
> index 7def689..8fba5fb 100644
> --- a/freedom-privacy-security-issues.php
> +++ b/freedom-privacy-security-issues.php
> @@ -15,7 +15,7 @@
>  				<a href="images/freedom-privacy-security-
> issues/hardware.png" data-lightbox="overview" data-title="Hardware-side
> overview"><img src="images/freedom-privacy-security-issues/hardware.png"
> alt="Hardware-side overview" style="width: 250px; float: left;"/></a>
>  				On the hardware side, mobile devices are
> built with a system on a chip (SoC) that includes a processor (CPU) and
> various other fundamental components, around which are found various
> integrated circuits, memory (RAM), storage, user input/output (I/O), etc.
>  				When the device is telephony-enabled, it also
> features a modem, which is the component in charge of dealing with the mobile
> telephony network.
> -				Nowadays, it is usually a powerful processor,
> sometimes with its own memory and storage.
> +				Its firmware runs on a dedicated processor,
> with dedicated memory and sometimes storage.

I agree with the intent, but there are a few problems with this phrasing:
* The term "firmware" is only introduced later in the document.
* "with dedicated memory and sometimes storage" is ambiguous, because one could
understand "it sometimes has dedicated memory and it sometimes has storage".
What we really want to say is that memory is always dedicated and storage can be
either dedicated or not.

How about the following phrasing:

This component embeds a powerful processor that runs an operating system, along
with dedicated memory and storage that can be dedicated or shared with the main
processor.

>  			</p>
>  			<p>
>  				Regarding the software side of things on
> mobile devices, the main CPU (inside the SoC) starts by executing initial boot
> code, often known as the bootrom.
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