Thread (1 message) 1 message, 1 author, 2000-08-19

Re: PPCBoot memory mapping problems

From: Wolfgang Denk <hidden>
Date: 2000-08-19 08:26:25

In message [ref]
Frank Smith wrote:
quoted
mapped at 0xC0000000? If it loads at address 0 how do I remap it to
0xC0000000 once the kernel starts? Is there any way to force the kernel to
Basically, the kernel boot process should be doing this *for* you.

Part of the kernel boot process is to set up a memory mapping from
virtual C0000000 to physical 00000000, and then enable address translation.
Right, but just to make this absolutely clear: this  is  done  within
the Linux kernel, you don't have to do anything for that in PPCBoot.
quoted
run in lower memory?
I doubt it.  It shouldn't be necessary, tho.
There is no need to do anything like that in PPCBoot.

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd@denx.de
Comparing information  and  knowledge  is  like  asking  whether  the
fatness  of  a  pig  is more or less green than the designated hitter
rule."                                               - David Guaspari

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