Jan Engelhardt wrote:
On Oct 5 2007 13:27, Timur Tabi wrote:
What's the difference between __LITTLE_ENDIAN and __LITTLE_ENDIAN_BITFIELD? Can
someone give me an example when __BIG_ENDIAN and __LITTLE_ENDIAN_BITFIELD would
both be defined simultaneously?
standard x86:
---LSB-- ---2SB-- ---3SB-- ---MSB-- [bytes] LITTLE_ENDIAN
M765432L M765432L M765432L M765432L [bits] ?_BITFIELD
(Not sure what bitfield type, but I'd guess BIG_ENDIAN_BITFIELD)
Are you sure? I would think that all machines would have the same byte and
bit endian, otherwise you'd never be able to put a 16-bit value into a shift
register. Your bits will be shifted out like this:
<-- 07 06 05 04 03 02 01 00 15 14 13 12 11 10 09 08
So I think x86 is:
---LSB-- ---2SB-- ---3SB-- ---MSB-- [bytes] LITTLE_ENDIAN
L234567M L234567M L234567M L234567M [bits] LITTLE_ENDIAN_BITFIELD
--
Timur Tabi
Linux Kernel Developer @ Freescale
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