[U-Boot-Users] Trouble w/GLOBAL_DATA_PTR on PXA255

[Woodruff, Richard]

Its set up at the beginning of lib_arm/board.c :: start_armboot()

Regards,
Richard W.

> -----Original Message-----
> From: u-boot-users-admin at lists.sourceforge.net [mailto:u-boot-users-
> admin at lists.sourceforge.net] On Behalf Of Craig A. Vanderborgh
> Sent: Tuesday, January 11, 2005 8:13 PM
> To: u-boot-users at lists.sourceforge.net
> Subject: [U-Boot-Users] Trouble w/GLOBAL_DATA_PTR on PXA255
> 
> Hello Booters,
> 
> I am having some strange problems with "gd" on PXA255.  Basically, I
am
> experiencing intermittent memory corruption (e.g. a reported RAM size
of
> 3955MB) and the like.  DECLARE_GLOBAL_DATA_PTR is defined as:
> 
> #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm
("r8")
> 
> on ARM platforms.  I guess the question is then - what is supposed to
be
> in r8, and where is this supposed to be set up?  It looks like the
setup
> for "gd" is simply incorrect for my platform, but I am not sure how it
> supposed to be.
> 
> Please advise.
> 
> Thanks in advance,
> craig vanderborgh
> voxware incorporated
> 
> 
> 
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