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7 Commits

Author SHA1 Message Date
Edgar E. Iglesias
6d76d23e82 microblaze: Add partial decoding of stream insns 
Based on a patch from: Alejandro Cabrera <aldaya@gmail.com>

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2011-04-12 00:48:33 +02:00
Edgar E. Iglesias
5d0bb8239d microblaze: cleanup helper_addkc 
Remove unused addition and rename to helper_carry.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2011-01-23 03:52:20 +01:00
Edgar E. Iglesias
e0a42ebc08 microblaze: Improve subkc 
Move code from the helper into the translator. The remaining
helper parts can reuse helper_addkc, making it possible to
remove helper_subkc entirely.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2011-01-22 12:39:16 +01:00
Edgar E. Iglesias
40cbf5b709 microblaze: Improve addkc 
* Optimize handling when carry is not updated.
* Optimize handling for adds with nop semantics.
* Move code from helper_addkc to the translator making
  helper_addkc PURE and CONST.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2011-01-22 12:02:53 +01:00
Edgar E. Iglesias
97694c57d7 microblaze: Add basic FPU emulation 
Missing:
* fcmp.un insn
* Denormalized exceptions
* Exception model is not accurate

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
 2010-09-09 10:20:17 +02:00
Edgar E. Iglesias
968a40f6fa microblaze: Trap on unaligned data accesses. 
Untested...

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2009-09-03 12:59:46 +02:00
Edgar E. Iglesias
4acb54baa6 microblaze: Add translation routines. 
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
 2009-05-26 21:10:11 +02:00