On Fri, 20 Dec 2019 at 13:53, Jeff Kubascik
wrote:
>
> On 12/19/2019 7:43 AM, Peter Maydell wrote:
> > On Wed, 18 Dec 2019 at 01:03, Richard Henderson
> > wrote:
> >>
> >> On 12/17/19 11:02 AM, Jeff Kubascik wrote:
> >>> diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
> >>> index 5
On 12/19/2019 7:43 AM, Peter Maydell wrote:
> On Wed, 18 Dec 2019 at 01:03, Richard Henderson
> wrote:
>>
>> On 12/17/19 11:02 AM, Jeff Kubascik wrote:
>>> diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
>>> index 5feb312941..e63f8bda29 100644
>>> --- a/target/arm/tlb_helper.c
>>> +
On 12/19/19 2:43 AM, Peter Maydell wrote:
> I think this is a regression introduced in commit 46beb58efbb8a2a32
> when we converted the Thumb decoder over to decodetree. Before that
> 16 bit Thumb insns were in a different place in the old decoder and
> the 16-bit Thumb path passed ISSIs16Bit in wi
On Wed, 18 Dec 2019 at 01:03, Richard Henderson
wrote:
>
> On 12/17/19 11:02 AM, Jeff Kubascik wrote:
> > diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
> > index 5feb312941..e63f8bda29 100644
> > --- a/target/arm/tlb_helper.c
> > +++ b/target/arm/tlb_helper.c
> > @@ -44,7 +44,7 @@
On 12/17/19 11:02 AM, Jeff Kubascik wrote:
> diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
> index 5feb312941..e63f8bda29 100644
> --- a/target/arm/tlb_helper.c
> +++ b/target/arm/tlb_helper.c
> @@ -44,7 +44,7 @@ static inline uint32_t merge_syn_data_abort(uint32_t
> template_syn,
The Instruction Length bit of the Exception Syndrome Register was fixed to 1
for data aborts. This bit is used by the Xen hypervisor to determine how to
increment the program counter after a mmio handler is successful and returns
control back to the guest virtual machine. With this value fixed to 1
