On 21/03/2016 12:33, Laurent Vivier wrote: > This series adds exception handler to be able to test instruction > emulation. We test then invalid instruction, lswx instruction, and > check that lswx instruction triggers an alignment interrupt in > little-endian mode. During the development of this series, I've seen > that processor is not running in 64bit mode, so I've added a test > to check that is the case now. > > This has been tested with KVM PR, HV, TCG in big and little-endian mode. > > KVM-PR needs a fix to be able to manage correctly invalid instruction. > http://patchwork.ozlabs.org/patch/597855/ > > QEMU needs a fix to initialize correctly the 64bit mode: > http://patchwork.ozlabs.org/patch/598198/ > > With TCG, some lswx tests fail because it needs some fixes... I'm working > on this. > > v2: > clearly restore r1 in call_handler > use "exception_stack[cpu + 1]" instead of "exception_stack + cpu + 1" > check program check type (invalid instruction) > add "-v" parameter to display invalid instruction address > use "mtxer" instead of "mtspr" > Fix comments in lswx asm() > add "memory" in clobber list > add Thomas' Rb on patches 3 and 5. > > Laurent Vivier (5): > powerpc: add exception handler > powerpc: add test to check invalid instruction trap > powerpc: check 64bit mode > powerpc: check lswx > powerpc: Check lswx in little-endian mode. > > lib/powerpc/asm/hcall.h | 1 + > lib/powerpc/asm/ppc_asm.h | 5 + > lib/powerpc/asm/processor.h | 11 ++ > lib/powerpc/processor.c | 38 +++++++ > lib/powerpc/setup.c | 19 ++++ > lib/ppc64/asm-offsets.c | 42 ++++++++ > lib/ppc64/asm/processor.h | 1 + > lib/ppc64/asm/ptrace.h | 24 +++++ > powerpc/Makefile.common | 6 +- > powerpc/cstart64.S | 140 +++++++++++++++++++++++++ > powerpc/emulator.c | 241 ++++++++++++++++++++++++++++++++++++++++++++ > powerpc/unittests.cfg | 3 + > 12 files changed, 530 insertions(+), 1 deletion(-) > create mode 100644 lib/powerpc/asm/processor.h > create mode 100644 lib/powerpc/processor.c > create mode 100644 lib/ppc64/asm/processor.h > create mode 100644 lib/ppc64/asm/ptrace.h > create mode 100644 powerpc/emulator.c > Applied, thanks. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
