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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] arm: wrong Relocation and not cleared BSS
Date: Sat, 30 Oct 2010 16:37:19 +0200	[thread overview]
Message-ID: <20101030143719.BAD25FA@gemini.denx.de> (raw)
In-Reply-To: <4CCC218E.706@ahsoftware.de>

Dear Alexander Holler,

In message <4CCC218E.706@ahsoftware.de> you wrote:
>
> > Wait a minute. No parts of the code assume BSS is *cleared*, or at least
> > no pat of the should *should ever* assume that. BSS is not "zeroed
> > data", it is "uninitialized data".
> 
> Thats true for normal C, but I assume that is not true for u-boot.

It is true for U-Boot, too. After relocation, we provide a standard C
execution environment, which includes a zeroes BSS.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If a packet hits a pocket on a socket on a port,
And the bus is interrupted as a very last resort,
And the address of the memory makes your floppy disk abort,
Then the socket packet pocket has an error to report! - Ken Burchill?

  parent reply	other threads:[~2010-10-30 14:37 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-30 13:08 [U-Boot] arm: wrong Relocation and not cleared BSS Alexander Holler
2010-10-30 13:36 ` Albert ARIBAUD
2010-10-30 13:45   ` Alexander Holler
2010-10-30 13:57     ` Albert ARIBAUD
2010-10-30 14:07       ` Alexander Holler
2010-10-30 14:39       ` Wolfgang Denk
2010-10-30 16:01         ` Albert ARIBAUD
2010-10-30 16:10           ` Wolfgang Denk
2010-10-30 14:37     ` Wolfgang Denk [this message]
2010-10-30 14:36   ` Wolfgang Denk
2010-10-31 10:59     ` Alexander Holler
2010-10-31 11:58       ` Wolfgang Denk
2010-10-31 12:21         ` Albert ARIBAUD
2010-10-31 16:18         ` Alexander Holler
2010-10-30 15:00   ` Wolfgang Denk
2010-10-30 17:21     ` Albert ARIBAUD
2010-10-30 18:01       ` Wolfgang Denk
2010-10-31  7:44     ` Heiko Schocher
2010-10-30 15:15   ` Darius Augulis
2010-10-30 16:44     ` Albert ARIBAUD
2010-10-30 20:03     ` Alexander Holler
2010-10-30 20:51       ` Alexander Holler
2010-10-31  7:47         ` Heiko Schocher
2010-11-02  5:39           ` V, Aneesh
2010-11-02  5:58             ` V, Aneesh
2010-11-02  6:32               ` Albert ARIBAUD
2010-11-02  7:18                 ` V, Aneesh
2010-11-02  7:37                   ` [U-Boot] Bad page state in process 'swapper' sywang
2010-11-02  7:44                     ` Albert ARIBAUD
2010-11-02  8:13                       ` sywang
2010-11-02  8:44                         ` Wolfgang Denk
2010-11-02  8:40                     ` Wolfgang Denk
2010-11-03  2:29                       ` sywang
2010-11-02  7:41                   ` [U-Boot] arm: wrong Relocation and not cleared BSS Albert ARIBAUD
2010-11-02  8:53                     ` V, Aneesh
2010-11-02  9:04                       ` Albert ARIBAUD
2010-10-31  7:43 ` Heiko Schocher

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