On Fri, Apr 25, 2014 at 08:39:48AM -0700, Guenter Roeck wrote: > The TCSR register has only 11 valid bits. This is now used by the > linux kernel to auto-detect endianness, and causes Linux 3.15-rc1 > and later to hang when run under qemu-microblaze. Mask valid bits > before writing the register to solve the problem.
Thanks, both patches look good. I've put them into my queue. Cheers, Edgar > > Signed-off-by: Guenter Roeck <li...@roeck-us.net> > --- > hw/timer/xilinx_timer.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/hw/timer/xilinx_timer.c b/hw/timer/xilinx_timer.c > index 6113b97..3ff1da9 100644 > --- a/hw/timer/xilinx_timer.c > +++ b/hw/timer/xilinx_timer.c > @@ -169,7 +169,7 @@ timer_write(void *opaque, hwaddr addr, > if (value & TCSR_TINT) > value &= ~TCSR_TINT; > > - xt->regs[addr] = value; > + xt->regs[addr] = value & 0x7ff; > if (value & TCSR_ENT) > timer_enable(xt); > break; > -- > 1.7.9.7 >