On Thu, 19 Apr 2007 10:18:04 -0400
Bart Trojanowski <[email protected]> wrote:
> I need to preserve some state from the bios before entering protected
> mode. For now I want to copy it into some ram accessible by real-mode,
> say the last megabyte visible in real-mode.
>
> What's the easiest way to have linux ignore the megabyte starting at 15M?
>
Documentation/kernel-parameters.txt:
memmap=nn[KMG]$ss[KMG]
[KNL,ACPI] Mark specific memory as reserved.
Region of memory to be used, from ss to ss+nn.
So adding this to kernel boot parameters should do the trick:
memmap=15M$1M
--
Paolo Ornati
Linux 2.6.21-rc7-CFS-v3-g6262cd9f on x86_64
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