---
*From:* Peter Maydell [mailto:peter.mayd...@linaro.org]
*Sent:* Monday, January 15, 2024, 6:47 PM
*To:* Shlomo Pongratz
*Cc:* qemu-devel@nongnu.org, andrew.smi...@gmail.com,
peter.mayd...@linaro.com, shlo...@pliops.com
*Subject:* [PATCH V2] Handle wrap around in limit calcula
On Mon, 15 Jan 2024 at 13:51, Shlomo Pongratz wrote:
>
> On 15/01/2024 12:37, Peter Maydell wrote:
> > For instance, the kernel code suggests that pre-460A
> > there's a 32 bit limit register, and post-460A there
> > is a 64-bit limit (with an "UPPER_LIMIT" register to
> > access the top 32 bits),
e a counter example.?
thanks
-- PMM
*From:* Peter Maydell [mailto:peter.mayd...@linaro.org]
*Sent:* Monday, January 15, 2024, 12:37 PM
*To:* Shlomo Pongratz
*Cc:* qemu-devel@nongnu.org, andrew.smi...@gmail.com,
peter.mayd...@lina
On Mon, 15 Jan 2024 at 05:58, Shlomo Pongratz wrote:
>
> Thank you.
> Please see comments inline.
>
> On Fri, Jan 12, 2024 at 7:03 PM Peter Maydell
> wrote:
> >
> > On Tue, 9 Jan 2024 at 12:45, Shlomo Pongratz
> > wrote:
> >
> > Hi; thanks for this patch.
> >
> > > Hanlde wrap around caused by
Thank you.
Please see comments inline.
On Fri, Jan 12, 2024 at 7:03 PM Peter Maydell wrote:
On Tue, 9 Jan 2024 at 12:45, Shlomo Pongratz wrote:
Hi; thanks for this patch.
Hanlde wrap around caused by the fact that perior to version 460A
Is this "460A" version number a version of the hardw
Thank you.
Please see comments inline.
On Fri, Jan 12, 2024 at 7:03 PM Peter Maydell wrote:
>
> On Tue, 9 Jan 2024 at 12:45, Shlomo Pongratz wrote:
>
> Hi; thanks for this patch.
>
> > Hanlde wrap around caused by the fact that perior to version 460A
>
> Is this "460A" version number a version o
On Tue, 9 Jan 2024 at 12:45, Shlomo Pongratz wrote:
Hi; thanks for this patch.
> Hanlde wrap around caused by the fact that perior to version 460A
Is this "460A" version number a version of the hardware
we're modelling ?
> the limit was 32bit quantity.
> See Linux kernel code in:
> drivers/pci
Hanlde wrap around caused by the fact that perior to version 460A
the limit was 32bit quantity.
See Linux kernel code in:
drivers/pci/controllers/dwc/pcie-designware.c
function: __dw_pcie_prog_outbound_atu
Now in a 64bit system the range can be above 4G but as long as
the limit itself is less then
