[U-Boot] [PATCH 2/6] powerpc/mpc85xx: modify the functionality clear_bss and the end address of the BSS

[Zhang Ying-B40530]

-----Original Message-----
From: Wood Scott-B07421 
Sent: Wednesday, May 22, 2013 3:38 AM
To: Zhang Ying-B40530
Cc: u-boot at lists.denx.de; afleming at gmail.com; Xie Xiaobo-R63061; Zhang Ying-B40530
Subject: Re: [PATCH 2/6] powerpc/mpc85xx: modify the functionality clear_bss and the end address of the BSS

On 05/20/2013 01:07:24 AM, ying.zhang at freescale.com wrote:
> From: Ying Zhang <b40530 at freescale.com>
> 
> There will clear the BSS in the function clear_bss(), the reset  
> address of
> the BSS started from the __bss_start, and increased by four-byte  
> increments,
> finally stoped depending on the address is equal to the _bss_end. If  
> the end
> address __bss_end is not alignment to 4byte, it will be an infinite  
> loop.
> 
> 1. The reset action stoped depending on the reset address is greater
> than or equal the end address of the BSS.
> 2. The end address of the BSS should be 4byte aligned. Because the  
> reset unit
> is 4 Bytes.

Should we add explicit alignment of the BSS start as well?
[Zhang Ying]
That is better. I can add.