Date: Thu, 16 Oct 2003 12:46:37 +1000 From: Peter Grehan <grehan@freebsd.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-ppc@freebsd.org Subject: Re: FYI: rudimentary loader for ppcbug-based systems Message-ID: <3F8E068D.4F82C163@freebsd.org> References: <E087F7025D7E494B8015119695CEDB4C01972204@zpl02exm01.mpsc.mot.com> <3F8CAFAE.6260CFCF@freebsd.org> <20031015044706.GA787@blarf.homeip.net> <16269.25586.238272.357023@grasshopper.cs.duke.edu>
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> The differences in the alpha platforms are mainly variations on how > the PCI bus is accessed and are more akin to the differences on the > x86 between using ACPI and pcibios to access the pci bus. The low > level code such as what NetBSD would put in machdep.c and locore.s is > the same across all alphas. But there's still a startling array of different h/w and processor revs, which is why I think there is a reasonable chance of getting a GENERIC ppc kernel. FreeBSD's loader can help hide a lot of the differences that would normally be in locore/machdep. later, Peter.
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