[U-Boot] dlmalloc: sbrk_base error after cpu reset.

[Macpaul Lin]

HI all,

2010/12/24 Macpaul Lin <macpaul at gmail.com>:
> Dear Wolfgang,
>
> 2010/12/23 Wolfgang Denk <wd at denx.de>:
>> Dear Macpaul Lin,
>>
>> In message <macpaul at gmail.com> you wrote:
>>>
>>> The problem is that, after the command "reset" under u-boot console.
>>> The cpu will do flush I/D cache , disable interrupt , redo mem_malloc_init().
>>> Then redo the init process.
>>
>> I'm not sure I understand what you mean.  This shouds as if the
>> "reset" command in U-Boot woul perform just apartial re-initialization
>> of the software, but not a real hardware reset of the board?
>
> Yes, the "reset" in this problem is meant to the software reset "command"
> which could be manually executed from console.
>
> If the "reset" command in u-boot just do apartial re-initialization,
> then I think
> the problem could not to allocate memory might be some static variable
> wasn't cleared after the reset process.
>

This problem (couldn't do malloc after reset) has been solved with patch
"[PATCH] common/dlmalloc: support reinit bin for fast reset" for platforms
enabled "CONFIG_SKIP_LOWLEVEL_INIT" and
do reset_cpu(CONFIG_SYS_TEXT_BASE).


-- 
Best regards,
Macpaul Lin