linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Segher Boessenkool <segher@kernel.crashing.org>
To: Jerry Van Baren <gvb.linuxppc.dev@gmail.com>
Cc: linuxppc-dev <Linuxppc-dev@ozlabs.org>,
	Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 11/13] powerpc: Add DTS file for the Motorola PrPMC2800 platform
Date: Sun, 13 May 2007 16:45:51 +0200	[thread overview]
Message-ID: <feb0a7acbb464e8fb4977e58f2d2d005@kernel.crashing.org> (raw)
In-Reply-To: <4647098D.9050901@gmail.com>

>> Not bad at all -- it is trivial to decode _if_ you know
>> how it is encoded.  You cannot tell by looking at the
>> property data only.  What is [44 54 53 00] -- just some
>> bytes, or the integer 0x44545300, or the string "DTS"?
>> You cannot tell.
>
> OK.  I was coming from the u-boot "fdt print" command.  We do a pretty 
> good job of guessing the print format (byte/word/long/string/strings), 
> but this would fail the detection circuitry and be printed as a byte 
> array [00, 00, 00, 05, 44, 54, ...] (the default format) because it 
> takes a-priori knowledge to print it in the original input format.  
> Not quite as pretty, but NBD.

Yes, every possible way of displaying property contents
is based on heuristics, some better than others -- taking
the property name (and perhaps some other context) into
account helps a lot.  Also, hardly any property is not
an array of 32-bit ints or an array of strings.


Segher

  reply	other threads:[~2007-05-13 14:45 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-10 20:02 [PATCH 0/13] powerpc: Add support for Marvell/mv64x60 and prpmc2800 Mark A. Greer
2007-05-10 20:04 ` [PATCH 1/13] powerpc: Add Makefile rules to wrap dts file in zImage Mark A. Greer
2007-05-10 23:29   ` David Gibson
2007-05-11 15:59     ` Mark A. Greer
2007-05-10 20:05 ` [PATCH 2/13] powerpc: Add bootwrapper support for Marvell/mv64x60 hostbridge Mark A. Greer
2007-05-10 20:05 ` [PATCH 3/13] powerpc: Add bootwrapper support for Marvell MPSC Mark A. Greer
2007-05-10 20:06 ` [PATCH 4/13] powerpc: Add bootwrapper support for Marvell/mv64x60 I2C Mark A. Greer
2007-05-10 20:06 ` [PATCH 5/13] powerpc: Add interrupt support for Marvell mv64x60 chips Mark A. Greer
2007-05-10 20:07 ` [PATCH 6/13] powerpc: Create Marvell mv64x60 MPSC (serial) platform_data Mark A. Greer
2007-05-10 20:07 ` [PATCH 7/13] powerpc: Create Marvell mv64x60 ethernet platform_data Mark A. Greer
2007-05-10 20:07 ` [PATCH 8/13] powerpc: Create Marvell mv64x60 I2C platform_data Mark A. Greer
2007-05-10 20:08 ` [PATCH 9/13] powerpc: Add Marvell mv64x60 PCI bridge support Mark A. Greer
2007-05-10 20:08 ` [PATCH 10/13] powerpc: check cache coherency of kernel vs firmware Mark A. Greer
2007-05-10 20:08 ` [PATCH 11/13] powerpc: Add DTS file for the Motorola PrPMC2800 platform Mark A. Greer
2007-05-10 21:44   ` Kumar Gala
2007-05-10 23:37   ` David Gibson
2007-05-12 11:59     ` Segher Boessenkool
2007-05-13  0:00       ` Jerry Van Baren
2007-05-13  0:21         ` Segher Boessenkool
2007-05-13 12:50           ` Jerry Van Baren
2007-05-13 14:45             ` Segher Boessenkool [this message]
2007-05-13  1:10       ` David Gibson
2007-05-10 20:09 ` [PATCH 12/13] powerpc: Add bootwrapper support for " Mark A. Greer
2007-05-10 20:09 ` [PATCH 13/13] powerpc: Add arch/powerpc support for the Motorola PrPMC2800 Mark A. Greer
2007-05-10 21:57 ` arch/powerpc/sysdev: dumping ground or only for shared drivers? Olof Johansson
2007-05-10 22:06   ` Kumar Gala
2007-05-11  1:00     ` Josh Boyer
2007-05-15  9:53     ` Christian Krafft
2007-05-10 22:40   ` David Gibson
2007-05-10 23:00   ` Mark A. Greer
2007-05-11  0:26   ` Paul Mackerras
2007-05-11 17:05     ` Linas Vepstas
2007-05-15 21:06       ` Kumar Gala
2007-05-15 22:06         ` Mark A. Greer
2007-05-15 22:19           ` Grant Likely
2007-05-15 22:25             ` Olof Johansson
2007-05-15 22:30               ` Kumar Gala
2007-05-15 23:56               ` Mark A. Greer
2007-05-16  0:32           ` Mark A. Greer
  -- strict thread matches above, loose matches on Subject: below --
2007-05-12  0:46 [PATCH 0/13] powerpc: Add support for Marvell/mv64x60 and prpmc2800 Mark A. Greer
2007-05-12  0:57 ` [PATCH 11/13] powerpc: Add DTS file for the Motorola PrPMC2800 platform Mark A. Greer
2007-04-25 23:46 [PATCH 0/13] powerpc: Add support for Marvell/mv64x60 and prpmc2800 Mark A. Greer
2007-04-26  0:01 ` [PATCH 11/13] powerpc: Add DTS file for the Motorola PrPMC2800 platform Mark A. Greer
2007-04-26 16:42   ` Scott Wood
2007-04-26 23:34     ` Mark A. Greer
2007-04-26 23:37     ` David Gibson
2007-04-27 20:41   ` Mark A. Greer
2007-04-30 16:45     ` Jon Loeliger
2007-04-30 18:08       ` Mark A. Greer
2007-04-30 22:29       ` Mark A. Greer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=feb0a7acbb464e8fb4977e58f2d2d005@kernel.crashing.org \
    --to=segher@kernel.crashing.org \
    --cc=Linuxppc-dev@ozlabs.org \
    --cc=gvb.linuxppc.dev@gmail.com \
    --cc=paulus@samba.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).