Am 21.05.2012 18:11, schrieb Fabien Chouteau:
> The size of EPN field in MAS2 depends on page size. This patch adds a
> mask to discard invalid bits in EPN field.
>
> Definition of EPN field from e500v2 RM:
> EPN Effective page number: Depending on page size, only the bits
> associated with a page boundary are valid. Bits that represent offsets
> within a page are ignored and should be cleared.
>
> There is a similar (but more complicated) definition in PowerISA V2.06.
>
> Signed-off-by: Fabien Chouteau <chout...@adacore.com>
> ---
> target-ppc/op_helper.c | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
> index 4ef2332..481b51c 100644
> --- a/target-ppc/op_helper.c
> +++ b/target-ppc/op_helper.c
> @@ -4227,6 +4227,8 @@ void helper_booke206_tlbwe(void)
> uint32_t tlbncfg, tlbn;
> ppcmas_tlb_t *tlb;
> uint32_t size_tlb, size_ps;
> + target_ulong mask;
> +
>
> switch (env->spr[SPR_BOOKE_MAS0] & MAS0_WQ_MASK) {
> case MAS0_WQ_ALWAYS:
Minor nitpick: This adds a second white line.
More severely, this patch is not marked as for 1.1 and I believe
op_helper.c is dropped in Blue's AREG0 conversion, so I would recommend
to rebase on that, since rebasing the large code movements was kind of
nasty. Now that we've fixed ppc and ppc64 TCG it could be applied to
ppc-next, no?
Andreas
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