On 07.02.2012, at 23:29, Brad Smith wrote:
> On 07/02/12 5:12 PM, malc wrote:
>> 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
>>>>>>> bui...@b7.netbsd.org:/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..
>
> The FreeBSD method will not work with NetBSD. For NetBSD you have to use
> the machdep.cacheinfo sysctl MIB. For OpenBSD this is the only local patch
> we have since there is no sysctl (yet) to retrieve the cache line size.
> DragonFly has no PowerPC support.
Eh, this patch:
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index f5d9bf3..f9793e6 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -1260,6 +1260,17 @@ static void tcg_out_brcond2 (TCGContext *s, const TCGArg
*args,
tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]);
}
+#ifdef __NetBSD__
+static void flush_icache_range(unsigned long begin, unsigned long end)
+{
+ unsigned int i = begin & ~15UL;
+ for (; i < end; i+=16) {
+ asm("icbi 0,%0" : : "r"(i));
+ }
+ asm("isync");
+}
+#endif
+
void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr)
{
uint32_t *ptr;
Alex
