Re: [Qemu-devel] [PATCH] qtest: fix 32-bit build

[Blue Swirl]

On Fri, Mar 30, 2012 at 19:13, Paolo Bonzini <address@hidden> wrote:
> Il 30/03/2012 21:06, Anthony Liguori ha scritto:
>> On 03/30/2012 01:55 PM, Paolo Bonzini wrote:
>>> Il 30/03/2012 20:29, Anthony Liguori ha scritto:
>>>>> Now it will fail with w64 (which uses 64 bit time_t and
>>>>> a 32 bit long).
>>>>
>>>> That's a bug in w64 (it has a broken ABI).
>>>>
>>>> Do we actually build and run on w64??
>>>
>>> It's actually sensible and x32 does the same.  Not too urgent though.
>>
>> I don't understand how making a long 32 bit is sensible but...  I sent a
>> patch that should at least address q64.
>>
>> Am not sure what x32 is though.
>
> x32 is 32-bit ABI (with 32-bit pointers and 4GB address space) with the
> x86-64 (64-bit) ISA.

By the way, it should be easy to add a user emulator for x32, much
like sparc32plus. Some x86 target_ulongs may need to be changed to
abi_ulongs and wasn't the system call interface different to the 32
bit one?

>
> Paolo
>