From mboxrd@z Thu Jan  1 00:00:00 1970
From: Timur Tabi <timur@freescale.com>
Date: Tue, 22 May 2007 15:36:52 -0500
Subject: [U-Boot-Users] Question about CFG_ENV_ADDR during RAMBOOT
In-Reply-To: <464B624D.2050102@freescale.com>
References: <464B624D.2050102@freescale.com>
Message-ID: <46535464.6090206@freescale.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

Doesn't anyone have an answer to this question?

Timur Tabi wrote:
> On a lot of boards, if CFG_RAMBOOT is defined, the following code is compiled:
> 
>    #define CFG_ENV_ADDR		(CFG_MONITOR_BASE - 0x1000)
>    #define CFG_ENV_SIZE		0x2000
> 
> This means that the environment is stored 0x1000 bytes before the start of u-boot.bin. 
> Doesn't that mean that if the environment is larger than 0x1000 bytes, that it will 
> overwrite the beginning of u-boot.bin whenever someone does a saveenv?
> 


-- 
Timur Tabi
Linux Kernel Developer @ Freescale