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# Date Author Comment
a12f6507 09/11/2009 11:35 am Edgar E. Iglesias

microblaze: Correct prio between MMU and unaligned exceptions.

The microblaze gives MMU faults priority. For stores we still
have a flaw that the value leaks to memory in the case of an
unaligned exception.

Signed-off-by: Edgar E. Iglesias <>
97f90cbf 09/11/2009 11:27 am Edgar E. Iglesias

microblaze: HW Exception fixes.

  • Correct PVR checks for masking off individual exceptions.
  • Correct FPU exception code.
  • Set EAR on unaligned and unassigned exceptions.

Signed-off-by: Edgar E. Iglesias <>
0187688f 09/04/2009 11:38 am Edgar E. Iglesias

microblaze: Trap on illegal load/store sizes.

Signed-off-by: Edgar E. Iglesias <>
3aa80988 09/03/2009 11:28 pm Edgar E. Iglesias

microblaze: Compute masks for alignment checks at translation time.

Thanks to Blue Swirl for reporting.
Signed-off-by: Edgar E. Iglesias <>
3c50a71f 09/03/2009 02:04 pm Edgar E. Iglesias

microblaze: MMU shows more respect to synthesis config.

The microblaze MMU can be synthesized in different configurations.
Have the MMU model show more respect to the chosen configuration.

Signed-off-by: Edgar E. Iglesias <>
968a40f6 09/03/2009 01:59 pm Edgar E. Iglesias

microblaze: Trap on unaligned data accesses.

Untested...

Signed-off-by: Edgar E. Iglesias <>
821ebb33 09/03/2009 01:52 pm Edgar E. Iglesias

microblaze: Trap on divizions by zero.

Signed-off-by: Edgar E. Iglesias <>
ee7dbcf8 09/03/2009 12:18 pm Edgar E. Iglesias

microblaze: Correct mfs into r0.

Signed-off-by: Edgar E. Iglesias <>
1567a005 09/03/2009 12:12 pm Edgar E. Iglesias

microblaze: Catch illegal insns and privilege violations.

Raise illegal instruction exceptions when executing instructions that
require units not available on the particulare microblaze configuration.

Also trap priviliege violations made by userspace.

Signed-off-by: Edgar E. Iglesias <>
8167ee88 07/16/2009 11:47 pm Blue Swirl

Update to a hopefully more future proof FSF address

Signed-off-by: Blue Swirl <>
4acb54ba 05/26/2009 10:10 pm Edgar E. Iglesias

microblaze: Add translation routines.

Signed-off-by: Edgar E. Iglesias <>