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Re: Generic boot image support in makefs(8)



On Sun, Jan 20, 2008 at 11:20:11AM -0800, John Nemeth wrote:
> On Jun 12,  7:51am, Ignatios Souvatzis wrote:
> } On Sun, Jan 20, 2008 at 02:30:18AM -0800, John Nemeth wrote:
> } > On Jun 12,  3:43am, David Laight wrote:
> } > } On Sun, Jan 20, 2008 at 02:41:43PM +0900, ITOH Yasufumi wrote:
> } > } > 
> } > } > hp700 LIF uses bytes 0-1 (0x80 0x00) and 240-251 (points to IPL 
> location)
> } > } > of the first sector.  The IPL itself is placed elsewhere.
> } > } 
> } > } I wonder if you could get an i386 bootstrap in there as well!
> } > } Fitting something belowe the sparc label might be lively,
> } > } but 0x80 0x00 0x00 is a likely nop (addb $0,(%bx,%si)).
> } > 
> } >      I created a bootable CD using makefs that boots on both my i386
> } > laptop and my Ultra 1.
> } 
> } That's always possible (and no relevant test for the above question) as 
> } PC's use two different methods to boot from CD's, and don't need sector 0
> } for that _ON A CD_.
> 
>      Yes, and my point is that I'm able to boot both types of systems
> using the "new" PC boot method and thus you can use both PC CD boot
> methods in conjunction with Sun's boot method.

I might be totally confused, but afaik *neither* PC CD booting method 
uses sector 0.

        -is



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