Re: How to figure out the byteorder only with one byte number?
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Hi Tao, On Mon, Feb 20, 2012 at 5:25 AM, Tao Jiang <jiangtao.jit@xxxxxxxxx> wrote: > Hi: > > Thank you all. > > Take a byte number 0b00000001 for example > ^ ^ > high bit low bit > > I used to think in a LE machine it will be stored as 0b10000000 low bit first > > ^ ^ > > low bit high bit > > and in a BE machine will be 0b00000001 high bit first > ^ ^ > high bit low bit > > not only the byteorder is different, but inside a byte is also different. > > But actually they are the same, right? yes they are same. In fact it is termed as 'byte' order not 'bit' order. Hope this helps. > Thank you. > > > > 2012/2/20 Graeme Russ <graeme.russ@xxxxxxxxx>: >> On 02/20/2012 01:24 AM, Bernd Petrovitsch wrote: >>> On Sun, 2012-02-19 at 20:08 +0800, Tao Jiang wrote: >>> [...] >>>> Is there some difference of the storge between BE and LE machine inside a byte? >>> >>> No. At least TTBOMK there exists no such hardware. >> >> Using SHL/SHR would tell you - SHL normally results in a multiply by 2, SHR >> a divide by 2. If the byte was little endian, the results would be visa-versa >> >> But I agree, I doubt there is any such hardware >> >> Regards, >> >> Graeme >> > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
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