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Re: [Qemu-devel] compiling on PPC doesn't work
From: |
malc |
Subject: |
Re: [Qemu-devel] compiling on PPC doesn't work |
Date: |
Mon, 26 May 2008 21:37:32 +0400 (MSD) |
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.
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