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2010-02-20microblaze: Improve brk emulation.Edgar E. Iglesias
brk insns while in user mode raise priv insn exceptions. This commit makes gdbserver work on linux guests. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2009-12-16microblaze: Print content of EAR registerMichal Simek
I need to see EAR register in output because I need to parse irqsoff problem. Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-12-16microblaze: Update debug logs.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-12-13microblaze: Handle wdc flush and clear.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-12-13microblaze: Correct branch to registers.Paul Hartke
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-11-12microblaze: Unbreak reset.Edgar E. Iglesias
Initialize synthesis config registers at reset to cope with the new cpu_reset sequences. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-25gcc wants 1st static and then constJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-09-12Fix sys-queue.h conflict for goodBlue Swirl
Problem: Our file sys-queue.h is a copy of the BSD file, but there are some additions and it's not entirely compatible. Because of that, there have been conflicts with system headers on BSD systems. Some hacks have been introduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896, f40d753718c72693c5f520f0d9899f6e50395e94, 96555a96d724016e13190b28cffa3bc929ac60dc and 3990d09adf4463eca200ad964cc55643c33feb50 but the fixes were fragile. Solution: Avoid the conflict entirely by renaming the functions and the file. Revert the previous hacks. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-09-11microblaze: Trap if QEMU finds an unknown insns.Edgar E. Iglesias
If PVR settings enable illegal insn trap, trap when QEMU finds an insn it knows nothing about. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-11microblaze: Correct prio between MMU and unaligned exceptions.Edgar E. Iglesias
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 <edgar.iglesias@gmail.com>
2009-09-11microblaze: HW Exception fixes.Edgar E. Iglesias
* 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 <edgar.iglesias@gmail.com>
2009-09-04microblaze: Trap on illegal load/store sizes.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-03microblaze: Compute masks for alignment checks at translation time.Edgar E. Iglesias
Thanks to Blue Swirl for reporting. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-03microblaze: MMU shows more respect to synthesis config.Edgar E. Iglesias
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 <edgar.iglesias@gmail.com>
2009-09-03microblaze: Trap on unaligned data accesses.Edgar E. Iglesias
Untested... Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-03microblaze: Trap on divizions by zero.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-03microblaze: Correct mfs into r0.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-09-03microblaze: Catch illegal insns and privilege violations.Edgar E. Iglesias
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 <edgar.iglesias@gmail.com>
2009-07-16Update to a hopefully more future proof FSF addressBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-05-26microblaze: Add translation routines.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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