[Qemu-devel] [PATCH 0/3] mips: Handle late r4k timers

[edgar . iglesias]

From: Edgar E. Iglesias <address@hidden>

Linux runs a test to check if the internal r4k timer is usable prior
to enabling it. The test basically starts a timer, repeatedly
compares cp0_count with cp0_compare and finally when the
timer should have hit it verifies that the irq line is asserted.
Depending on host timing, qemu may fail this test. On my x86_64 host,
we basically always fail it.

The following set of patches makes qemu pass the test reliably.

Edgar E. Iglesias (3):
  mips: Break TBs after mfc0_count
  mips: Break out cpu_mips_timer_expire
  mips: Expire late timers when reading cp0_count

 hw/mips_timer.c         |   43 +++++++++++++++++++++++++++++--------------
 target-mips/translate.c |    4 +++-
 2 files changed, 32 insertions(+), 15 deletions(-)

-- 
1.7.2.2