[Qemu-devel] compiling on PPC doesn't work

[Qemu-devel] compiling on PPC doesn't work

[C.W. Betts]

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Due to the fact that there is now a PowerPC tcg host, I tried to make  
the i386 and sparc guests.  I am building it on an Intel Mac, but I  
doubt that's the problem (although it took me awhile to figure out how  
to make PPC apps on i386 comps without using a --build configure  
argument).  However, I got the following error when trying to compile  
the apic.c file on i386:

gcc -I. -I.. -I/Users/username/makestuff/qemu-svn/target-i386 -I/Users/ 
username/makestuff/qemu-svn -MMD -MP -DNEED_CPU_H -D__powerpc__ - 
D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/Users/ 
username/makestuff/qemu-svn/tcg -I/Users/username/makestuff/qemu-svn/ 
tcg/ppc -I/Users/username/makestuff/qemu-svn/fpu -DHAS_AUDIO - 
DHAS_AUDIO_CHOICE -I/Users/username/makestuff/qemu-svn/slirp -Wall -O2  
-g -fno-strict-aliasing -mdynamic-no-pic -m32 -arch ppc -c -o apic.o / 
Users/username/makestuff/qemu-svn/hw/apic.c
/var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s: 
151:Invalid mnemonic 'bsr'
/var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s: 
1458:Invalid mnemonic 'bsf'
make[1]: *** [apic.o] Error 1
make: *** [subdir-i386-softmmu] Error 2

The sparc platform compiled and linked without a problem, as well as  
the rest of the files.

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Re: [Qemu-devel] compiling on PPC doesn't work

[malc]

On Sun, 25 May 2008, C.W. Betts wrote:

> Due to the fact that there is now a PowerPC tcg host, I tried to make the 
> i386 and sparc guests.  I am building it on an Intel Mac, but I doubt that's 
> the problem (although it took me awhile to figure out how to make PPC apps on 
> i386 comps without using a --build configure argument).  However, I got the 
> following error when trying to compile the apic.c file on i386:

Few notes:

  a. Some new optimizations commited shortly before/after ppc tcg uncovered
     a bug. The bug was fixed but the patch is not yet been commited to SVN.

  b. MacOS X is not supported.
     (I think it has a slightly different ABI plus changes to dyngen and
      elsewhere are needed to work with Mach O relocations. The latter
      is essential for working with those targets that still use dyngen)

> gcc -I. -I.. -I/Users/username/makestuff/qemu-svn/target-i386 
> -I/Users/username/makestuff/qemu-svn -MMD -MP -DNEED_CPU_H -D__powerpc__ 
> -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
> -I/Users/username/makestuff/qemu-svn/tcg 
> -I/Users/username/makestuff/qemu-svn/tcg/ppc 
> -I/Users/username/makestuff/qemu-svn/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE 
> -I/Users/username/makestuff/qemu-svn/slirp -Wall -O2 -g -fno-strict-aliasing 
> -mdynamic-no-pic -m32 -arch ppc -c -o apic.o 
> /Users/username/makestuff/qemu-svn/hw/apic.c
> /var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s:151:Invalid 
> mnemonic 'bsr'
> /var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s:1458:Invalid 
> mnemonic 'bsf'
> make[1]: *** [apic.o] Error 1
> make: *** [subdir-i386-softmmu] Error 2

Excerpt from apic.c

#if defined(HOST_I386)
     __asm__ __volatile__ ("bsr %1, %0\n" : "+r" (ret) : "rm" (value));
     return ret;
#else

Apparently HOST_I386 is defined somewhere hence this optimization.

>
> The sparc platform compiled and linked without a problem, as well as the rest 
> of the files.

-- 
mailto:av1474@comtv.ru

Re: [Qemu-devel] compiling on PPC does work

[C.W. Betts]

On May 26, 2008, at 11:37 AM, malc wrote:

> On Sun, 25 May 2008, C.W. Betts wrote:
>
>> Due to the fact that there is now a PowerPC tcg host, I tried to  
>> make the i386 and sparc guests.  I am building it on an Intel Mac,  
>> but I doubt that's the problem (although it took me awhile to  
>> figure out how to make PPC apps on i386 comps without using a -- 
>> build configure argument).  However, I got the following error when  
>> trying to compile the apic.c file on i386:
>
> Few notes:
>
> a. Some new optimizations commited shortly before/after ppc tcg  
> uncovered
>    a bug. The bug was fixed but the patch is not yet been commited  
> to SVN.
Other than running the application under Rosetta, I have no way of  
checking to see if it works.
>
>
> b. MacOS X is not supported.
>    (I think it has a slightly different ABI plus changes to dyngen and
>     elsewhere are needed to work with Mach O relocations. The latter
>     is essential for working with those targets that still use dyngen)
I'm using targets that don't use dyngen. Dyngen does compile for PPC  
OS X (not i386, but I don't care)
>
>
>> gcc -I. -I.. -I/Users/username/makestuff/qemu-svn/target-i386 -I/ 
>> Users/username/makestuff/qemu-svn -MMD -MP -DNEED_CPU_H - 
>> D__powerpc__ -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 - 
>> D_LARGEFILE_SOURCE -I/Users/username/makestuff/qemu-svn/tcg -I/ 
>> Users/username/makestuff/qemu-svn/tcg/ppc -I/Users/username/ 
>> makestuff/qemu-svn/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/Users/ 
>> username/makestuff/qemu-svn/slirp -Wall -O2 -g -fno-strict-aliasing  
>> -mdynamic-no-pic -m32 -arch ppc -c -o apic.o /Users/username/ 
>> makestuff/qemu-svn/hw/apic.c
>> /var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s: 
>> 151:Invalid mnemonic 'bsr'
>> /var/folders/zN/zNzLfd+VH20MiY73gvxNNk+++TI/-Tmp-//cc4FQRDT.s: 
>> 1458:Invalid mnemonic 'bsf'
>> make[1]: *** [apic.o] Error 1
>> make: *** [subdir-i386-softmmu] Error 2
>
> Excerpt from apic.c
>
> #if defined(HOST_I386)
>    __asm__ __volatile__ ("bsr %1, %0\n" : "+r" (ret) : "rm" (value));
>    return ret;
> #else
>
> Apparently HOST_I386 is defined somewhere hence this optimization.
Found out what was the problem.  HOST_I386 was defined in config- 
host.h.  After changing it to HOST_PPC, everything built fine
>
>
>>
>> The sparc platform compiled and linked without a problem, as well  
>> as the rest of the files.
>
> -- 
> mailto:av1474@comtv.ru
>
>