On Wed, Apr 25, 2018 at 07:54:33PM +0800, wei.guo.simon@xxxxxxxxx wrote: > From: Simon Guo <wei.guo.simon@xxxxxxxxx> > > We already have analyse_instr() which analyzes instructions for the instruction > type, size, addtional flags, etc. What kvmppc_emulate_loadstore() did is somehow > duplicated and it will be good to utilize analyse_instr() to reconstruct the > code. The advantage is that the code logic will be shared and more clean to be > maintained. > > This patch series reconstructs kvmppc_emulate_loadstore() for various load/store > instructions. > > The testcase locates at: > https://github.com/justdoitqd/publicFiles/blob/master/test_mmio.c > > - Tested at both PR/HV KVM. > - Also tested with little endian host & big endian guest. > > Tested instruction list: > lbz lbzu lbzx ld ldbrx > ldu ldx lfd lfdu lfdx > lfiwax lfiwzx lfs lfsu lfsx > lha lhau lhax lhbrx lhz > lhzu lhzx lvx lwax lwbrx > lwz lwzu lwzx lxsdx lxsiwax > lxsiwzx lxsspx lxvd2x lxvdsx lxvw4x > stb stbu stbx std stdbrx > stdu stdx stfd stfdu stfdx > stfiwx stfs stfsx sth sthbrx > sthu sthx stvx stw stwbrx > stwu stwx stxsdx stxsiwx stxsspx > stxvd2x stxvw4x Thanks for doing this. It's nice to see that this makes the code 260 lines smaller. I have some comments on the individual patches, which I will give in replies to those patches. Paul.