From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 14/26 v2][NEXT] ARM: implement relocation for ARM V7 (OMAP)
Date: Sun, 19 Sep 2010 08:07:28 +0200 [thread overview]
Message-ID: <4C95A8A0.6080008@denx.de> (raw)
In-Reply-To: <AANLkTi=b9dUZvLBj-5+BejGcgnqe=3XeME_9jQJSeNf4@mail.gmail.com>
Hello John,
John Rigby wrote:
> Dear Wolfgang,
>
> Thanks for the feedback.
>
> On Fri, Sep 17, 2010 at 4:02 PM, Wolfgang Denk <wd@denx.de> wrote:
>> Dear John,
>>
>> In message <AANLkTims+909jaF1Ho41+WAZbH1qmoNDG8AOhpM04j8F@mail.gmail.com> you wrote:
>>> I noticed that when I wrote to ram in the range where u-boot runs
>>> before being relocated sometimes the board hangs. I then narrowed it
>> Stupid question: how did you write to that RAM location? And why?
>>
>> The RAM is not supposed to be accessable before relocation...
>
> I worded this poorly. I write to memory using mw at the u-boot
> command line. I write to the region where u-boot was running prior to
> relocation:
>
> OMAP3 beagleboard.org # mw.b 80000000 ff 1000000
>
>>> down to being able to reproduce the hang by writing to a single byte.
>>> Turns out that __aeabi_uidiv gets called in its original location
>>> after relocation. I believe the culprit is ____aeabi_uidiv_veneer.
>> Where is this coming from? I cannot see this symbol anywhere in U-Boot
>> code...
>>
>> Which tool chain are you using?
>
> I'm using a prerelease Ubuntu/Linaro gcc 4.4.4.
>
>>> Looks like these *veneer routines need to be relocated.
>> Hm... where are they coming from in the first place?
>>
>>
>> Can you please try building with (1) a different tool chain and/or
>> (2) with USE_PRIVATE_LIBGCC=yes on the command line? Does this change
>> anything?
>
> With USE_PRIVATE_LIBGCC=yes these veneer* routines go away and the
> problem is gone.
Maybe, you can document this in doc/README.arm-relocation, in
a problem/solution chapter?
bye,
Heiko
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
next prev parent reply other threads:[~2010-09-19 6:07 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-11 18:15 [U-Boot] [PATCH 00/26] arm: add full relocation / cache support Heiko Schocher
2010-08-11 20:00 ` Ben Gardiner
2010-08-11 20:36 ` Ben Gardiner
2010-08-11 20:01 ` Wolfgang Denk
2010-08-12 5:34 ` Heiko Schocher
2010-08-12 20:49 ` Magnus Lilja
2010-08-13 10:01 ` Wolfgang Denk
2010-08-12 12:50 ` Shinya Kuribayashi
2010-08-12 12:55 ` Shinya Kuribayashi
2010-08-12 20:19 ` Wolfgang Denk
2010-08-12 20:17 ` Wolfgang Denk
2010-08-13 14:36 ` Shinya Kuribayashi
2010-09-17 11:10 ` [U-Boot] [PATCH 00/26 v2][NEXT] " Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 01/26 v2][NEXT] arm: get rid of bi_env Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 02/26 v2][NEXT] ARM: cp15: setup mmu and enable dcache Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 03/26 v2][NEXT] ARM (ARM926ejs): add data cache support, tested on magnesium and tx25 board Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 04/26 v2][NEXT] ARM V7 (OMAP): add data cache support, test on Beagle board Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 05/26 v2][NEXT] ARM (ARM11): add data cache support, test on Qong board Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 06/26 v2][NEXT] relocation: fixup cmdtable Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 07/26 v2][NEXT] common: move TOTAL_MALLOC_LEN to include/common.h Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 08/26 v2][NEXT] i2c: fix command usage help Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 09/26 v2][NEXT] disk/part.c: fix relocation fixup Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 10/26 v2][NEXT] i2c, omap24xx: set bus_initialized only after relocation Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 11/26 v2][NEXT] nand_boot_fsl_nfc.c: make "nfc" a "static const" pointer Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 12/26 v2][NEXT] ARM: add relocation support Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 13/26 v2][NEXT] ARM: implement relocation for ARM11 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 14/26 v2][NEXT] ARM: implement relocation for ARM V7 (OMAP) Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 15/26 v2][NEXT] ARM: implement relocation for ARM926 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 16/26 v2][NEXT] ARM: implement relocation for ARM920 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 17/26 v2][NEXT] ARM: implement relocation for ARM925 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 18/26 v2][NEXT] ARM: implement relocation for ARM946 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 19/26 v2][NEXT] ARM: implement relocation for pxa Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 20/26 v2][NEXT] ARM: implement relocation for ixp Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 21/26 v2][NEXT] ARM: implement relocation for sa1100 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 22/26 v2][NEXT] ARM: implement relocation for s3c44b0 Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 23/26 v2][NEXT] ARM: implement relocation for lh7a40x Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 24/26 v2][NEXT] ARM: implement relocation for arm_intcm Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 25/26 v2][NEXT] ARM: implement relocation for arm720t Heiko Schocher
2010-09-17 11:10 ` [U-Boot] [PATCH 26/26 v2][NEXT] ARM: implement relocation for arm1176 Heiko Schocher
2010-09-22 9:32 ` [U-Boot] [PATCH 15/26 v2][NEXT] ARM: implement relocation for ARM926 Albert ARIBAUD
2010-09-17 21:40 ` [U-Boot] [PATCH 14/26 v2][NEXT] ARM: implement relocation for ARM V7 (OMAP) John Rigby
2010-09-17 22:02 ` Wolfgang Denk
2010-09-19 1:21 ` John Rigby
2010-09-19 6:07 ` Heiko Schocher [this message]
2010-09-19 6:59 ` Wolfgang Denk
2010-09-19 6:58 ` Wolfgang Denk
2010-09-17 13:07 ` [U-Boot] [PATCH 12/26 v2][NEXT] ARM: add relocation support Albert ARIBAUD
2010-09-17 14:54 ` Wolfgang Denk
2010-09-17 16:44 ` Albert ARIBAUD
2010-09-17 19:22 ` Wolfgang Denk
2010-09-17 22:58 ` Albert ARIBAUD
2010-09-18 22:35 ` Albert ARIBAUD
2010-09-18 22:58 ` Wolfgang Denk
2010-09-19 6:04 ` Heiko Schocher
2010-09-19 7:17 ` Albert ARIBAUD
2010-09-19 8:28 ` Albert ARIBAUD
2010-09-19 11:17 ` Wolfgang Denk
2010-09-19 11:56 ` Heiko Schocher
2010-09-18 23:19 ` [U-Boot] [PATCH 00/26 v2][NEXT] arm: add full relocation / cache support Wolfgang Denk
2010-09-22 17:51 ` Ben Gardiner
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