Date: Thu, 26 Oct 2006 23:18:20 +0400 From: Ruslan Ermilov <ru@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org, Stefan Bethke <stb@lassitu.de>, Bruce Evans <bde@zeta.org.au>, Bruce Evans <bde@freebsd.org> Subject: Re: Still possible to directly boot without loader? Message-ID: <20061026191820.GB2420@rambler-co.ru> In-Reply-To: <200610261138.24939.jhb@freebsd.org> References: <3A8131D4-881E-4873-A682-543A1A88C063@lassitu.de> <200610261028.10680.jhb@freebsd.org> <20061026144240.GB1219@rambler-co.ru> <200610261138.24939.jhb@freebsd.org>
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On Thu, Oct 26, 2006 at 11:38:24AM -0400, John Baldwin wrote:
> On Thursday 26 October 2006 10:42, Ruslan Ermilov wrote:
> > On Thu, Oct 26, 2006 at 10:28:09AM -0400, John Baldwin wrote:
> > > boot2 should do whatever loader does.
> > >
> > But this would be a regression, since loader(8) does the following,
> > in the ELF32 case:
> >
> > : 0 edoofus:ttyp2:/sys/boot/i386/libi386 >grep -w entry elf32_freebsd.c
> > : vm_offset_t entry, bootinfop, modulep, kernend;
> > : entry = ehdr->e_entry & 0xffffff;
> > : printf("Start @ 0x%lx ...\n", entry);
> > : __exec((void *)entry, boothowto, bootdev, 0, 0, 0, bootinfop, modulep, kernend);
>
> Ah, ok. Make them both just mask the top 8 bits then. :)
>
OK, I backed out your change to boot2.c.
Cheers,
--
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer
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