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fpu-init
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3 Commits (42e138e539c0e254745611600206b08989ed6aa7)

Author SHA1 Message Date
Anton Blanchard 467630573c Dump CTR, LR and CR on sim termination, and update our tests 
Right now our test cases fold the SPRs into the GPRs. That makes
debugging fails more difficult than it needs to be, so print
out the CTR, LR and CR.

We still need to print the XER, but that is in two spots in microwatt
and will take some more work.

This also adds many instructions to the tests that we have added
lately including overflow instructions, CR logicals and mt/mfxer.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
 5 years ago
Benjamin Herrenschmidt 8e0389b973 ram: Rework main RAM interface 
This replaces the simple_ram_behavioural and mw_soc_memory modules
with a common wishbone_bram_wrapper.vhdl that interfaces the
pipelined WB with a lower-level RAM module, along with an FPGA
and a sim variants of the latter.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 6 years ago
Anton Blanchard 5a29cb4699 Initial import of microwatt 
Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
 6 years ago