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From: Jason Rumney <jasonr@gnu.org>
To: rms@gnu.org
Cc: yandros@mit.edu, joakim@verona.se, emacs-devel@gnu.org
Subject: Re: Emacs Webapp/Plugin
Date: Sat, 04 Aug 2012 10:43:47 +0800	[thread overview]
Message-ID: <87obmre5r0.fsf@gnu.org> (raw)
In-Reply-To: <E1Sx4yX-0007Ck-8U@fencepost.gnu.org> (Richard Stallman's message of "Thu, 02 Aug 2012 19:38:41 -0400")

Richard Stallman <rms@gnu.org> writes:

> I don't know how the main processor communicates with the 3G modem.
> If it is by memory sharing, the firmware in the modem can take control
> of the entire system.

Normally it is via a comm port (or similar; sometimes USB or SPI are
used in place of a UART to get higher transfer speeds).

The other main source of binary blobs in mobile plaforms is graphics
drivers and video accelerators, which are interfacing with the main CPU
(in the same package, but a separate processing core) via memory
sharing.



  parent reply	other threads:[~2012-08-04  2:43 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-27 16:47 Emacs Webapp/Plugin Paul Michael Reilly
2012-07-27 18:13 ` joakim
2012-07-27 23:56 ` Jeremiah Dodds
2012-07-28  2:56   ` Paul Michael Reilly
2012-07-28 21:26     ` William Gardella
2012-07-29 10:53       ` Paul Michael Reilly
2012-07-29 15:21         ` Bastien
2012-07-29 16:14         ` William Gardella
2013-10-04 10:03         ` Alex Bennée
2013-10-04 15:39           ` Paul Michael Reilly
2013-10-05 16:48             ` Richard Stallman
2013-10-06 18:59               ` Paul Michael Reilly
2013-10-07 13:36                 ` Richard Stallman
2012-07-28 13:58 ` Richard Stallman
2012-07-29  0:54   ` Miles Bader
2012-07-29 11:18     ` Paul Michael Reilly
2012-08-05 17:06     ` Richard Stallman
2012-08-08  5:19       ` William Gardella
2012-07-29 11:11   ` Paul Michael Reilly
2012-07-30  1:47     ` Richard Stallman
2012-07-30  2:34       ` Stephen J. Turnbull
2012-07-30  8:30         ` joakim
2012-07-31 22:32           ` Richard Stallman
2012-07-31 22:49             ` chad
2012-08-01  9:20               ` joakim
2012-08-01 22:42                 ` Richard Stallman
2012-08-02  7:41                   ` joakim
2012-08-02 23:38                     ` Richard Stallman
2012-08-03 19:09                       ` joakim
2012-08-04  5:43                         ` Richard Stallman
2012-08-02 23:38                     ` Richard Stallman
2012-08-03 19:27                       ` joakim
2012-08-04  5:43                         ` Richard Stallman
2012-08-04  8:13                           ` joakim
2012-08-04  2:43                       ` Jason Rumney [this message]
2012-08-05  0:04                         ` Richard Stallman
2012-07-31 22:32         ` Richard Stallman
2012-08-04 10:06       ` Miles Bader
2012-08-04 13:01         ` Lennart Borgman
2012-08-04 15:38           ` Nix
2012-08-05  0:04         ` Richard Stallman
2012-08-05  0:31           ` Miles Bader
2012-08-05 21:01             ` Richard Stallman

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