[fpc-devel] QEMU for 64-bit FPC testing?

Vincent Snijders vsnijders at quicknet.nl
Wed Jan 30 09:02:21 CET 2008

Michael Schnell schreef:
>> With the wonderful world of emulators and
>> virtual pc products like VirtualBox, VMWare and Virtual PC 2007 ...
> VirtualBox, VMWare, XEN etc are no emulators but virtualization managers.
> If they would emulate a CPU they would be by far too slow to be useful. 
> They just force the guest processes (in fact the OSes) to call the 
> virtualization code instead of accessing certain hardware resources 
> (such as peripherals and  memory management). But the 99,9% of the code 
> of the OSes (and 100% of the code of the user processes) is executed 
> just in the normal way.

If that were the case, how can one run (virtualized) x86_64 (64bits) assembler on a 
i386 (32 bits) processor? I think qemu can is and therefore qemu *is* also an emulator.


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