Re: New arm alignment issue with 6.2.0 - bisected to single revision

2022-01-09 Thread Mark Watson
On Thu, 6 Jan 2022 at 18:09, Peter Maydell wrote: > On Wed, 29 Dec 2021 at 20:15, Mark Watson wrote: > > I'm seeing a repeatable alignment exception running m68k system mode on > armv7l (arm cortex a9) following this commit: > > "fa947a667fceab02f9f85fc99f54aebcc9ae

New arm alignment issue with 6.2.0 - bisected to single revision

2021-12-29 Thread Mark Watson
Hi, I'm seeing a repeatable alignment exception running m68k system mode on armv7l (arm cortex a9) following this commit: "fa947a667fceab02f9f85fc99f54aebcc9ae6b51 is the first bad commit commit fa947a667fceab02f9f85fc99f54aebcc9ae6b51 Author: Richard Henderson Date: Thu Jul 29 10:45:10 2021 -100

Re: notdirty_write thrashing in simple for loop

2021-05-23 Thread Mark Watson
when it's running slow so it's really the source of the > problems and not something normal otherwise. > I have now confirmed this, I enable the trace_event on the notdirty to confirm. Many thanks for the qemu and dgb debugging tips, much appreciated. I will real them. Mark Watson

notdirty_write thrashing in simple for loop

2021-05-18 Thread Mark Watson
Hi, I'm trying to implement my own machine for amiga emulation using a software cpu and fpga hardware. For this I have built my own machine which consists of a large malloced ram block and some fpga hardware mmapped elsewhere into the memory space. I'm using qemu to emulate a 68040 on an arm cort