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RE: Mmu and Memory Layout
- To: "Lewin A.R.W. Edwards" <larwe at larwe dot com>
- Subject: RE: [ECOS] Mmu and Memory Layout
- From: Gary Thomas <gthomas at cambridge dot redhat dot com>
- Date: Mon, 18 Jun 2001 07:34:01 -0600 (MDT)
- Cc: ecos-discuss at sources dot redhat dot com, honda at itri dot org dot tw
- Organization: Red Hat, Inc.
On 18-Jun-2001 Lewin A.R.W. Edwards wrote:
>
>> What's the main difference in the MMU configuration and Memory Layout
>>between the 1.3.1 and the current version. Version 1.3.1 did work on
>>EDB7212, it hang on the MMU_INITIALIZE. But when I modified it for my own
>>system, it didn't work. By upgrade to the current version, it works. Why?
>
> There was a discussion here recently (ish) about a bug in the MMU tables
> which only mapped in the first 8K of on-chip SRAM. That was fixed.
Other than this, I'm pretty sure that there were no other changes.