On Thu, May 6, 2010 at 11:37 PM, Matteo Signorini <signorinimatteo@xxxxxxxxx> wrote: > > Dear Yaniv, Dear Avi, > > I would like to add the "sidt emulation" feature in kvm, but in order to > implement it I need to know the details on how the OPCODE works and how exactly opcodes are emulated within kvm. > For example let's take the SIDT instruction. > I know the LIDT opcode is "0F 01 /1" but what does 0F, 01 and /1 mean? > I also know that this instruction has only the operand "ModRM:r/m (w)" > but where is this operand stored and how can I access it in emulation? > Could you please suggest to me where can I found some detailed docs on the subject? > (I have already read the Intel Volume 2B Instruction Set Reference N-Z pag. 4-440 but I have not found enough detailed information) > > Thank you > > Matteo Signorini Hi Matteo, arch/x86/kvm/emulate.c is the best place to start. All you need to look at is there. Regards, Mohammed > -- > 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 -- 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
