[syslinux] Cleanup, shuffle and boot

H. Peter Anvin hpa at zytor.com
Mon Apr 23 09:04:52 PDT 2007


Andrew Goodbody wrote:
> Hi,
> 
> I am trying to use the syslinux API call, ax=0012h in order to boot a 
> linux kernel image that has been loaded into RAM.
> 
> 1) Has anyone used this function to boot linux?
> 2) The shuffle source/destination address is a linear 32 bit address?
> 3) Is it safe to move the 32 bit kernel code to 100000h using the 
> shuffle moves or is syslinux using that area?
> 4) What areas of memory are used by syslinux and a com32 program?

Hi there,

I found a pretty serious bug in cleanup, shuffle and boot while working 
on the new version (3.50).

The 3.50-pre* versions contains an fixed version, plus a wrapper 
function to boot Linux with.  The wrapper function also takes care of 
additional shuffles that might be needed due to address space conflicts.

	-hpa




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