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
> ---
> 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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