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Date: Wed, 06 Jun 2007 17:08:54 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Jeremy Fitzhardinge <jeremy@...p.org> CC: "Eric W. Biederman" <ebiederm@...ssion.com>, Vivek Goyal <vgoyal@...ibm.com>, Rusty Russell <rusty@...tcorp.com.au>, Andi Kleen <ak@...e.de>, v12n <virtualization@...ts.linux-foundation.org>, lkml <linux-kernel@...r.kernel.org> Subject: Re: [PATCH RFC 6/7] i386: make the bzImage payload an ELF file Jeremy Fitzhardinge wrote: > > I'm not sure I fully understand the mechanism you're proposing. You > have the 16-bit setup code, the 32-bit decompressor, and an ELF.gz. Once > the decompressor has extracted the actual ELF file, are you proposing > that it properly parse the ELF file and follow its instuctions to put > the segments in the appropriate places, or are you assuming that the > decompressor can just skip that part and plonk the ELF file where it wants? > > In other words, do you see the Phdrs as being descriptive or prescriptive? > I was thinking prescriptive, having the decompressor read the output stream and interpret it as ELF. I guess a descriptive approach could be made to work, too (I haven't really thought about that avenue of approach), but the prescriptive model seems more powerful, at least to me. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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