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Re: [Qemu-devel] Support for out-of-code cpu definitions


From: Blue Swirl
Subject: Re: [Qemu-devel] Support for out-of-code cpu definitions
Date: Wed, 11 Feb 2009 17:11:28 +0200

On 2/11/09, Amit Shah <address@hidden> wrote:
>
>  This patch series adds support for out-of-code cpu definitions. This helps
>  us move the definitions out of target-i386/helper.c. The result is we can
>  store the definitions in plain-text; add, modify the definitions without
>  having to recompile and most importantly, some management servers can
>  define their own CPU types based on the network topology to create
>  migration-safe cpu types.
>
>  The first patch in the series was sent earlier, just converts the usage of
>  bios_dir to get_datafile_dir(), as the path that's referred to stores more
>  than just the bios (keymaps, and now, the cpudefs).
>
>  The cpudef file currently is very similar to the code that was in helper.c.
>
>  Comments welcome on the format.

Instead of this change, IMHO we should wait for either the
configuration file format to be fixed, or use FDT for all HW
definitions. This format is not generic enough, definitely not
suitable for Sparc CPU features. But if the config or FDT does not
appear, we could use this as a starting point.




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