Re: [Qemu-devel] Re: [PATCH] ARM host (TCG only)

[Aurelien Jarno <aurelien@aurel32.net>]

andrzej zaborowski a écrit :
> Here's a second version with some fixes and less in TODO.
> 
> * Now uses the tlb cache, Linux decompressor is about two times faster
> (caching read addresses had this effect, caching write addresses is
> not noticeable speed-wise).
> 
> * Added user-mode support, tested with a busybox static OABI binary
> (on EABI host).
> 
> * Implemented division ops.
> 
> * Calling the generated code now uses the same convention as dyngen
> used, saving a couple of registers.
> 
> * Removes dyngen HOST_ARM code as suggested by Paul.  This has the
> advantage that a non-tcg target will (hopefully) give a readable error
> message when you try to run it.
> 
> * Still no constant pools.
> 
> I use USE_DIRECT_JUMP for goto_tb, but it could also work without it -
> I'm not sure what is the advantage or disadvantage of that.
> 

Really nice work. I have been able to boot debian installer sparc using
qemu-system-sparc on a qemu arm machine running on an x86-64 host.

Not very fast though, so I stopped the installation after a few screens.


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