Re: [Qemu-devel] [4454] i386 specific TODO

[Alexander Graf]

On May 13, 2008, at 8:27 PM, Fabrice Bellard wrote:

> Revision: 4454
>          http://svn.sv.gnu.org/viewvc/? 
> view=rev&root=qemu&revision=4454
> Author:   bellard
> Date:     2008-05-13 18:27:16 +0000 (Tue, 13 May 2008)
>
> Log Message:
> -----------
> i386 specific TODO
>
> Added Paths:
> -----------
>    trunk/target-i386/TODO
>
> Added: trunk/target-i386/TODO
> ===================================================================
> --- trunk/target-i386/TODO                              (rev 0)
> +++ trunk/target-i386/TODO      2008-05-13 18:27:16 UTC (rev 4454)
> @@ -0,0 +1,29 @@
> +Correctness issues:
> +
> +- rework eflags optimization (will be a consequence of TCG port)
> +- SVM: rework the implementation: simplify code, move most intercept

What exactly do you mean here? Simplify it in what respect? Move them  
where?

Additional todos:

SVM: add NPT support
SVM: verify 32-bit support

> +  tests as dynamic, correct segment access, verify exception safety,
> +  remove most of the added CPU state.
> +- arpl eflags computation is invalid
> +- x86_64: fxsave/fxrestore intel/amd differences
> +- x86_64: lcall/ljmp intel/amd differences ?
> +- x86_64: cmpxchgl intel/amd differences ?
> +- x86_64: cmovl bug intel/amd differences ?
> +- x86: monitor invalid
> +- better code fetch (different exception handling + CS.limit support)
> +- user/kernel PUSHL/POPL in helper.c
> +- add missing cpuid tests
> +- return UD exception if LOCK prefix incorrectly used
> +- test ldt limit < 7 ?
> +- fix some 16 bit sp push/pop overflow (pusha/popa, lcall lret)
> +- full support of segment limit/rights
> +- full x87 exception support
> +- improve x87 bit exactness (use bochs code ?)
> +
> +Optimizations/Features:
> +
> +- finish TCG port
> +- evaluate x87 stack pointer statically
> +- find a way to avoid translating several time the same TB if CR0.TS
> +  is set or not.
> +- move kqemu support outside target-i386.