Re: [Qemu-devel] Question about the block linking limitation

[Peter Maydell]

On 11 April 2012 22:00, Max Filippov <address@hidden> wrote:
> 陳韋任 <address@hidden>:
>>  Doesn't a tb spanning guest pages have above problem? I mean what if the
>> guest page 2 is changed? In this case, the execution flow jump from tb.a to
>> tb.b. It seems it may have the same problem as above to me.
>
> I agree. I see that only i386 and m68k TBs may cross page boundary.
> Maybe it is due to the fact that these CPUs can normally have instructions
> crossing page boundary due to the variable opcode length.

Hmm. ARM can also have instructions spanning a page boundary (32 bit
Thumb instructions). I wonder if we get this right :-)

-- PMM