Re: Accessing odd bytes

From: Ian Stirling (
Date: Fri Jun 14 2002 - 09:40:37 EST

> I have a strange effect on an embedded system (AMD Elan SC410,
> Linux-2.4.18) while accessing a static RAM. The RAM is mapped to the bus
> at 0x0200'0000. If I map it to user space this way:
> Now I'm wondering how the kernel/processor handles odd byte access
> exceptions. Can anybody give me a pointer where I could search or what my
> problem could be?

It has been a while, but I believe you may need to setup the SC410s MMU
to tell it it's an 8 bit (or whateve) RAM.
Reading the manuals may reveal details that I've forgotten.
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This archive was generated by hypermail 2b29 : Sat Jun 15 2002 - 22:00:31 EST