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Re: [Qemu-devel] qemu-system-ppc broken ?
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] qemu-system-ppc broken ? |
Date: |
Sat, 8 Nov 2008 09:57:53 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Fri, Nov 07, 2008 at 05:38:32PM +0100, Laurent Desnogues wrote:
> On Fri, Nov 7, 2008 at 8:08 AM, Aurelien Jarno <address@hidden> wrote:
> >
> > Any one has an idea what happens?
>
> It looks like the i386 runs out of registers for allocation due
> to too many global registers allocated by the ppc target.
>
> Here is a quick and dirty fix that seems to solve the problem.
> This should be considered as temporary.
>
Thanks, applied.
> Laurent
>
> Signed-off-by: Laurent Desnogues <address@hidden>
> Index: target-ppc/cpu.h
> ===================================================================
> --- target-ppc/cpu.h (revision 5645)
> +++ target-ppc/cpu.h (working copy)
> @@ -530,8 +530,12 @@
> * during translated code execution
> */
> #if TARGET_LONG_BITS > HOST_LONG_BITS
> - target_ulong t0, t1, t2;
> + target_ulong t0, t1;
> #endif
> + /* XXX: this is a temporary workaround for i386. cf translate.c comment
> */
> +#if (TARGET_LONG_BITS > HOST_LONG_BITS) || defined(HOST_I386)
> + target_ulong t2;
> +#endif
> #if !defined(TARGET_PPC64)
> /* temporary fixed-point registers
> * used to emulate 64 bits registers on 32 bits targets
> Index: target-ppc/translate.c
> ===================================================================
> --- target-ppc/translate.c (revision 5645)
> +++ target-ppc/translate.c (working copy)
> @@ -97,8 +97,17 @@
> #else
> cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0");
> cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1");
> +#ifdef HOST_I386
> + /* XXX: This is a temporary workaround for i386.
> + * On i386 qemu_st32 runs out of registers.
> + * The proper fix is to remove cpu_T.
> + */
> + cpu_T[2] = tcg_global_mem_new(TCG_TYPE_TL,
> + TCG_AREG0, offsetof(CPUState, t2), "T2");
> +#else
> cpu_T[2] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG3, "T2");
> #endif
> +#endif
> #if !defined(TARGET_PPC64)
> cpu_T64[0] = tcg_global_mem_new(TCG_TYPE_I64,
> TCG_AREG0, offsetof(CPUState, t0_64),
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' address@hidden | address@hidden
`- people.debian.org/~aurel32 | www.aurel32.net
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), (continued)
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Andreas Färber, 2008/11/11
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Blue Swirl, 2008/11/11
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Laurent Vivier, 2008/11/11
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Blue Swirl, 2008/11/16
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Laurent Vivier, 2008/11/16
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Blue Swirl, 2008/11/23
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), René Rebe, 2008/11/24
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Andreas Färber, 2008/11/24
- Re: [Qemu-devel] atapi on ppc issue (was Re: qemu-system-ppc broken ?), Shin-ichiro KAWASAKI, 2008/11/27
Re: [Qemu-devel] qemu-system-ppc broken ?, Laurent Desnogues, 2008/11/07
- Re: [Qemu-devel] qemu-system-ppc broken ?,
Aurelien Jarno <=