Re: pxa crashes with qemu v5.2 when executing xscale operations

2021-01-08 Thread Peter Maydell
On Mon, 21 Dec 2020 at 15:24, Philippe Mathieu-Daudé wrote: > On 12/21/20 6:28 AM, Guenter Roeck wrote: > > 84: ec432000mar acc0, r2, r3 > > > > > > This is supposed to be a DSP or iWMMXt coprocessor instruction. > > I did notice that the

Re: pxa crashes with qemu v5.2 when executing xscale operations

2021-01-08 Thread Peter Maydell
On Fri, 8 Jan 2021 at 18:56, Guenter Roeck wrote: > > On 1/8/21 9:25 AM, Peter Maydell wrote: > > On Mon, 21 Dec 2020 at 16:01, Guenter Roeck wrote: > >> Something like the following should do. > >> > >> qemu-system-arm -M z2 -kernel arch/arm/boot/zImage -no-reboot \ > >> -initrd rootfs-armv5

Re: pxa crashes with qemu v5.2 when executing xscale operations

2021-01-08 Thread Peter Maydell
On Mon, 21 Dec 2020 at 16:01, Guenter Roeck wrote: > Something like the following should do. > > qemu-system-arm -M z2 -kernel arch/arm/boot/zImage -no-reboot \ > -initrd rootfs-armv5.cpio \ > --append "rdinit=/sbin/init console=ttyS0" \ > -nographic -monitor null -serial stdio > > whe

Re: pxa crashes with qemu v5.2 when executing xscale operations

2020-12-21 Thread Guenter Roeck
Hi Philippe, On 12/21/20 7:24 AM, Philippe Mathieu-Daudé wrote: [ ... ]) > >> Does this mean that there is a bug, that the affected emulations are no >> longer >> supported, that I now have to specify some new option on the qemu command >> line, >> or something else ? > > The command line is l

Re: pxa crashes with qemu v5.2 when executing xscale operations

2020-12-21 Thread Philippe Mathieu-Daudé
On 12/21/20 6:28 AM, Guenter Roeck wrote: > Hi, > > I noticed that booting Linux on PXA emulations no longer works with qemu v5.2. > When trying to boot akita, borzoi, or similar emulations, I get the following > crash. > > [0.965279] Internal error: Oops - undefined instruction: 0 [#1] PREE

pxa crashes with qemu v5.2 when executing xscale operations

2020-12-20 Thread Guenter Roeck
Hi, I noticed that booting Linux on PXA emulations no longer works with qemu v5.2. When trying to boot akita, borzoi, or similar emulations, I get the following crash. [0.965279] Internal error: Oops - undefined instruction: 0 [#1] PREEMPT ARM [0.967273] Modules linked in: [0.967875]