On Thu, Nov 10, 2016 at 01:06:17PM +1100, David Gibson wrote: > On Thu, Nov 10, 2016 at 12:42:37PM +1100, Balbir Singh wrote: > > > > > > As per the ISA we need a cause for FU exceptions.Executing a tabort r9 > > for example in libc, causes a EXCP_FU exception. We don't wire up the > > IC (cause) when we post the exception. The cause is required > > for the kernel to do the right thing. I caught this issue while testing > > the latest kernel against Cedrics' latest pnv ipmi branch. > > > > Signed-off-by: Balbir singh <bsinghar...@gmail.com> > > Applied to ppc-for-2.8
Or not.. This causes compile breakage for the ppc32 targets. > > > --- > > target-ppc/excp_helper.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c > > index 808760b..cccea8d 100644 > > --- a/target-ppc/excp_helper.c > > +++ b/target-ppc/excp_helper.c > > @@ -427,6 +427,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int > > excp_model, int excp) > > case POWERPC_EXCP_VPU: /* Vector unavailable exception > > */ > > case POWERPC_EXCP_VSXU: /* VSX unavailable exception > > */ > > case POWERPC_EXCP_FU: /* Facility unavailable exception > > */ > > + env->spr[SPR_FSCR] |= ((target_ulong)env->error_code << 56); > > break; > > case POWERPC_EXCP_PIT: /* Programmable interval timer interrupt > > */ > > LOG_EXCP("PIT exception\n"); > -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson
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