Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2010-02-28 Thread Aurelien Jarno
On Sun, Feb 28, 2010 at 03:25:42PM +, Jamie Lokier wrote: > Aurelien Jarno wrote: > > It is not a full fix, as the OS can actually use any instruction that > > always generate a trap (even a memory access) as an instruction barrier > > to make sure the following instructions are never executed.

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2010-02-28 Thread Jamie Lokier
Aurelien Jarno wrote: > It is not a full fix, as the OS can actually use any instruction that > always generate a trap (even a memory access) as an instruction barrier > to make sure the following instructions are never executed. This > actually affects all targets, but is unlikely to happen. I'm

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2010-02-28 Thread Aurelien Jarno
On Sun, Feb 28, 2010 at 02:02:33PM +, Paul Brook wrote: > > > invalid/unsupported opcode: 00 - 00 - 00 () 4800fa44 1 > > > > I have fixed that in HEAD by stopping the translation just after a trap, > > as the instructions might never be executed. > > > > It is not a full fix, as the O

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2010-02-28 Thread Paul Brook
> > invalid/unsupported opcode: 00 - 00 - 00 () 4800fa44 1 > > I have fixed that in HEAD by stopping the translation just after a trap, > as the instructions might never be executed. > > It is not a full fix, as the OS can actually use any instruction that > always generate a trap (even a

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2010-02-28 Thread Aurelien Jarno
On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: > Test environment: > > * ppc-softmmu/qemu-system-ppc running on x86_64 host > * emulated ppc is running debian lenny > > > > While debugging on the emulated ppc (each time when > a shared library is loaded after "r" command?), > qemu

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-30 Thread Alexander Graf
Am 30.12.2009 um 18:46 schrieb Aurelien Jarno : On Wed, Dec 30, 2009 at 03:39:32PM +0100, Alexander Graf wrote: Am 29.12.2009 um 22:07 schrieb Aurelien Jarno : On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: Test environment: * ppc-softmmu/qemu-system-ppc running on x86_64 ho

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-30 Thread Aurelien Jarno
On Wed, Dec 30, 2009 at 03:39:32PM +0100, Alexander Graf wrote: > > Am 29.12.2009 um 22:07 schrieb Aurelien Jarno : > >> On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: >>> Test environment: >>> >>> * ppc-softmmu/qemu-system-ppc running on x86_64 host >>> * emulated ppc is running debi

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-30 Thread Alexander Graf
Am 29.12.2009 um 22:07 schrieb Aurelien Jarno : On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: Test environment: * ppc-softmmu/qemu-system-ppc running on x86_64 host * emulated ppc is running debian lenny While debugging on the emulated ppc (each time when a shared library is

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-29 Thread Aurelien Jarno
On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: > Test environment: > > * ppc-softmmu/qemu-system-ppc running on x86_64 host > * emulated ppc is running debian lenny > > > > While debugging on the emulated ppc (each time when > a shared library is loaded after "r" command?), > qemu

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-29 Thread Stefan Weil
Blue Swirl schrieb: > On Tue, Dec 29, 2009 at 3:09 PM, Stefan Weil wrote: > >> Test environment: >> >> * ppc-softmmu/qemu-system-ppc running on x86_64 host >> * emulated ppc is running debian lenny >> >> >> >> While debugging on the emulated ppc (each time when >> a shared library is loaded aft

Re: [Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-29 Thread Blue Swirl
On Tue, Dec 29, 2009 at 3:09 PM, Stefan Weil wrote: > Test environment: > > * ppc-softmmu/qemu-system-ppc running on x86_64 host > * emulated ppc is running debian lenny > > > > While debugging on the emulated ppc (each time when > a shared library is loaded after "r" command?), > qemu-system-ppc

[Qemu-devel] [Bug] qemu-system-ppc: "invalid/unsupported opcode" during debug session

2009-12-29 Thread Stefan Weil
Test environment: * ppc-softmmu/qemu-system-ppc running on x86_64 host * emulated ppc is running debian lenny While debugging on the emulated ppc (each time when a shared library is loaded after "r" command?), qemu-system-ppc prints this error message: invalid/unsupported opcode: 00 - 00 - 00