Re: [Qemu-devel] Help - `flush_icache_range' MacPPC

[malc]

On Tue, 7 Feb 2012, Alexander Graf wrote:

> 
> On 07.02.2012, at 22:12, malc wrote:
> 
> > On Tue, 7 Feb 2012, Alexander Graf wrote:
> > 
> >> 
> >> On 07.02.2012, at 13:52, Maurizio Caloro wrote:
> >> 
> >>> Hello Together
> >>> Here i drive with me MiniMac G4 1.4Ghz and i try to run Qemu 1.0. i wan't 
> >>> run one Virt. MS Server2008 it's this realistic?.
> >>> 
> >>> Unfortunitly from the first (other) Mailinglist i don't become any Answer.
> >>> 
> >>> on a possible error recovery support, I would grateful to you.
> >>> Thanks and best regards
> >>> Mauri
> >>> 
> >>>> NetBSD powermac.G4 5.1 NetBSD 5.1 (GENERIC) #0: Sat Nov  6 17:09:11 UTC 
> >>>> >2010  
> >>>> address@hidden:/home/builds/ab/netbsd-5-1->RELEASE/macppc/201011061943Z-obj/home/builds/ab/netbsd-5-1->RELEASE/src/sys/arch/macppc/compile/GENERIC
> >>>>  macppc
> >>>> 
> >>>> # gmake
> >>>> CC    i386-softmmu/memory.o
> >>>> LINK  i386-softmmu/qemu-system-i386
> >>>> ld: warning: libintl.so.0, needed by /usr/pkg/lib/libgthread-2.0.so, may 
> >>>> conflict with libintl.so.8
> >>>> tcg/tcg.o: In function `tcg_prologue_init':
> >>>> /usr/source/qemu-1.0/tcg/tcg.c:268: undefined reference to 
> >>>> `flush_icache_range'
> >>>> tcg/tcg.o: In function `ppc_tb_set_jmp_target':
> >>>> /usr/source/qemu-1.0/tcg/ppc/tcg-target.c:1291: undefined reference to 
> >>>> `flush_icache_range'
> >>>> tcg/tcg.o: In function `tcg_gen_code':
> >>>> /usr/source/qemu-1.0/tcg/tcg.c:2191: undefined reference to 
> >>>> `flush_icache_range'
> >> 
> >> I'd say your gcc is too old / buggy.
> > 
> > You probably missed the NetBSD part (anyway originally i did)
> 
> Gcc on NetBSD doesn't implement the cache flush helpers? They're just a 
> bunch of instructions, so I don't see how that'd be target os specific.
> 

Take a look at cache-utils.c, it conditionally (depending on the host OS
type) tries to gigure out the cache line sizes, there's code to do that
on Linux, OSX, AIX and FreeBSD. I have no idea if FreeBSD method works
for Net/Open/Dragonfly.. so..

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