On Jul 11, 2011, at 12:52 AM, Michael Neuling wrote: > On POWER6 and POWER7 if the input operand to an instruction is a > denormalised single precision binary floating we can take a > denormalisation exception where it's expected that the hypervisor (HV=1) > will fix up the inputs before the instruction is run. > > This adds code to handle this denormalisation exception for POWER6 and > POWER7. > > It also add a CONFIG_PPC_DENORMALISATION option and sets it in > pseries/ppc64_defconfig. > > This is useful on bare metal systems only. Based on patch from Milton > Miller. > > Signed-off-by: Michael Neuling <mi...@neuling.org> > > --- > arch/powerpc/Kconfig | 7 + > arch/powerpc/configs/ppc64_defconfig | 1 > arch/powerpc/configs/pseries_defconfig | 1 > arch/powerpc/include/asm/ppc-opcode.h | 2 > arch/powerpc/include/asm/reg.h | 1 > arch/powerpc/kernel/exceptions-64s.S | 125 > +++++++++++++++++++++++++++++++++ > 6 files changed, 137 insertions(+)
Is it possible to run POWER6/7 systems in baremetal if you are not IBM? Just wondering if this is useful to anyone but IBM. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
