[Vm-dev] Building StackVM on ARM linux meego-hartmann

[Denis Kudriashov]

I was incorrect. Problem happens early on defining atomic access of 64-bit
variables.
So I just uncomment something like this:

/* Dear implementor, you have choices.  For example consider defining get64
&
 * set64 thusly
 * #define get64(var) read64(&(var))
 * #define set64(var,val) write64(&(var),val)
 * and get the JIT to generate read64 & write64 above atomic 64-bit
read/write.
 */
*# define get64(var) read64(&(var))
# define set64(var,val) write64(&(var),val)
*
//error atomic access of 64-bit variables not yet defined for this platform
# endif
-------------------------------------

Now I have another problem:

[ 90%] Building C object
CMakeFiles/StackVM.dir/cogVM/blessed/platforms/unix/vm/sqUnixHeartbeat.c.o
cc1: error: incorrect key "-mno-rtd"
cc1: error: incorrect key "-mno-accumulate-outgoing-args"
make[2]: ***
[CMakeFiles/StackVM.dir/cogVM/blessed/platforms/unix/vm/sqUnixHeartbeat.c.o]
error 1
make[1]: *** [CMakeFiles/StackVM.dir/all] error 2
make: *** [all] error 2

What this keys mean? And what I can do?



2012/10/3 Denis Kudriashov <dionisiydk at gmail.com>

> I found comment:
>
> /* Atomic increment of 32-bit values allows a lock-free implementation of
> the
>  * request side of signalSemaphoreWithIndex:
>  */
>
>     /* Currently we provide definitions for x86 and GCC only.  */
> #if defined(__GNUC__) && (defined(i386) || defined(__i386) ||
> defined(__i386__) || defined(_X86_))
> #ifdef TARGET_OS_IS_IPHONE
> #define sqAtomicAddConst(var,n) OSAtomicAdd32(n,&var)
> #else
> # define sqAtomicAddConst(var,n) \
>     asm volatile ("lock addl %1, %0" : "=m" (var) : "i" (n), "m" (var))
> #endif
> #else
> #ifdef TARGET_OS_IS_IPHONE
> #define sqAtomicAddConst(var,n) OSAtomicAdd32(n,&var)
> #endif
> /* Dear implementor, you have choices.  Google atomic increment and you
> will
>  * find a number of implementations for other architectures.
>  */
> #endif
>
> I now try to google it.
> Maybe you already know how to fix it?
>
>
> 2012/10/3 Denis Kudriashov <dionisiydk at gmail.com>
>
>> Ok. I exclude IA32ABIPlugin. It's help. And now I have next problem:
>>
>> [ 87%] Building C object
>> CMakeFiles/StackVM.dir/cogVM/blessed/platforms/Cross/vm/sqTicker.c.o
>> In file included from /cogVM/blessed/platforms/Cross/vm/sqTicker.c:56:
>> /cogVM/blessed/platforms/Cross/vm/sqAtomicOps.h:140: ошибка: #error
>> atomic access of 64-bit variables not yet defined for this platform
>> make[2]: ***
>> [CMakeFiles/StackVM.dir/cogVM/blessed/platforms/Cross/vm/sqTicker.c.o]
>> error 1
>> make[1]: *** [CMakeFiles/StackVM.dir/all] error 2
>> make: *** [all] error 2
>>
>>
>> What I can do now?
>>
>>
>> 2012/10/3 David T. Lewis <lewis at mail.msen.com>
>>
>>
>>> On Wed, Oct 03, 2012 at 10:31:55AM +0200, Igor Stasenko wrote:
>>> >
>>> > On 3 October 2012 06:29, Denis Kudriashov <dionisiydk at gmail.com>
>>> wrote:
>>> > >
>>> > > Great. I remove it.
>>> > > Now process stopped at ~30% on:
>>> > >
>>> > > tmp/cc33Ks89.s: Assembler messages:
>>> > > /tmp/cc33Ks89.s:90: Error: ARM register expected -- `mov
>>> [sp,#844],%edx'
>>> > > /tmp/cc33Ks89.s:118: Error: bad instruction `fldl [r0,#0]'
>>> > > make[2]: ***
>>> [IA32ABI/CMakeFiles/IA32ABI.dir/cogVM/blessed/platforms/Cross/plugins/IA32ABI/ia32abicc.c.o]
>>> > > ???????????? 1
>>> >
>>> > so remove that plugin from a build.
>>> > You should start from minimum set of plugins and then proceed adding
>>> > more once you can make them compiling/working.
>>> >
>>>
>>> FYI, the smallest useable VM requires these plugins:
>>>
>>>   BitBltSimulation
>>>   BalloonEnginePlugin
>>>   FilePlugin
>>>
>>> But usually you will also want networking, so a good starting point for
>>> a minimal VM is:
>>>
>>>   BitBltSimulation
>>>   BalloonEnginePlugin
>>>   FilePlugin
>>>   SocketPlugin
>>>
>>> Dave
>>>
>>>
>>
>
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