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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 4419d 18h /
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 4419d 18h /
844 skrzyp 4420d 11h /
843 Applied RDiez suggestions skrzyp 4420d 11h /
842 Moving GDB 7.1 into the old collection. jeremybennett 4422d 09h /
841 GDB 7.2 is now considered the stable version. jeremybennett 4422d 10h /
840 Relocate GDB 6.8 to the old directory. jeremybennett 4422d 10h /
839 Forgot about updating linker flags, thanks RDiez! skrzyp 4423d 13h /
838 added branch-delay option and sets r0 to zero skrzyp 4424d 02h /
837 Instructions redirecting users to new directories. jeremybennett 4430d 07h /
836 The old legacy directory, which just a README these days. jeremybennett 4430d 08h /
835 Move current version to stable directory. jeremybennett 4430d 08h /
834 Move current version to stable directory. jeremybennett 4430d 08h /
833 Move current version to stable directory. jeremybennett 4430d 08h /
832 Move current version to stable directory. jeremybennett 4430d 08h /
831 Move current version to stable directory. jeremybennett 4430d 08h /
830 Move current version to stable directory. jeremybennett 4430d 08h /
829 Move current version to stable directory. jeremybennett 4430d 08h /
828 Move current version to stable directory. jeremybennett 4430d 08h /
827 Move current version to stable directory. jeremybennett 4430d 08h /

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