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-system-ppc

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 memory

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 OS can

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 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. This

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 aurel...@aurel32.net: 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

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 aurel...@aurel32.net: 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

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 aurel...@aurel32.net: On Wed, Dec 30, 2009 at 03:39:32PM +0100, Alexander Graf wrote: Am 29.12.2009 um 22:07 schrieb Aurelien Jarno aurel...@aurel32.net: On Tue, Dec 29, 2009 at 04:09:17PM +0100, Stefan Weil wrote: Test environment: *

[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

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 w...@mail.berlios.de 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?),

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 w...@mail.berlios.de 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

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-system-ppc