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846 or1200: Fix for cache bug related to first_{hit|miss}_ack

Under certain circumstances, when first_hit_ack and
first_miss_ack is asserted at the same time, cache data
would wrongly be overwritten with bus data.

Patch by: Matthew Hicks <firefalcon@gmail.com>
stekern 4224d 03h /openrisc/trunk/
845 or1200: l.lws support

Using the l.lws instruction doesn't work currently.
It simply skips the instruction. No exception or reaction.
The patch attached simply duplicates the behaviour of
l.lwz for l.lws.

Patch by: Jeppe Græsdal Johansen <jjohan07@student.aau.dk>
stekern 4224d 03h /openrisc/trunk/
844 skrzyp 4224d 20h /openrisc/trunk/
843 Applied RDiez suggestions skrzyp 4224d 20h /openrisc/trunk/
842 Moving GDB 7.1 into the old collection. jeremybennett 4226d 18h /openrisc/trunk/
841 GDB 7.2 is now considered the stable version. jeremybennett 4226d 19h /openrisc/trunk/
840 Relocate GDB 6.8 to the old directory. jeremybennett 4226d 19h /openrisc/trunk/
839 Forgot about updating linker flags, thanks RDiez! skrzyp 4227d 22h /openrisc/trunk/
838 added branch-delay option and sets r0 to zero skrzyp 4228d 11h /openrisc/trunk/
837 Instructions redirecting users to new directories. jeremybennett 4234d 16h /openrisc/trunk/

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