Re: AARCH64 sve and sve2 instruction emulation not calling plugin memory op

2020-12-09 Thread Richard Henderson
On 12/8/20 7:48 PM, Robert Henry wrote: > Richard: > I posted this item to qemu-discuss yesterday, but cc:ed you to the wrong > address. ... > It looks like the emulation of AARCH64 SVE and SVE2 instructions is not > calling the part of the plugin interface that is supposed to be called when > the

Re: AARCH64 sve and sve2 instruction emulation not calling plugin memory op

2020-12-09 Thread Richard Henderson
On 12/9/20 10:30 AM, Alex Bennée wrote: >> Nope, nor for most any other out-of-line memory operation performed by any >> other qemu target. Starting with arm's own dc zva. > > Oops - bit of an oversight there. Is this only a problem for linux-user? > Looking at the dc zva implementation it certai

Re: AARCH64 sve and sve2 instruction emulation not calling plugin memory op

2020-12-09 Thread Jakob Bohm
Have you considered repurposing whatever plugin interface is used for x86 I/O port space?  (By defining it for each architecture without a predefined mapping to PCI bus I/O port space). On 2020-12-09 14:58, Richard Henderson wrote: On 12/8/20 7:48 PM, Robert Henry wrote: Richard: I posted this

How to simulate a device which generates an interrupt every 8.3 ms

2020-12-09 Thread Weiss, Howard
Hi - I am writing a Windows 10 device driver which receives an interrupt from hardware every 8.3 ms. I am simulating the hardware device in a linux QEMU/KVM VM with Windows 10 installed. How do I program my simulated device to generate an interrupt every 8.3 ms? Under windows, I would generat