On Fri, May 02, 2025 at 11:48:37PM +0200, Paolo Bonzini wrote: > These are some improvements to the x86 emulator that I wrote but have no > way of testing (right now). > > I tried to place them in order of importance so that, if something breaks, > it is possible to commit a subset. I tried to compile the resulting code > on Linux but I have not run it. > > Patch 1 is just to fix warnings on Linux. > > Patch 2 is the most important, as it fixes some real horrors in the code. > > Patch 3 makes flags handling use algorithms somewhat similar to TCG. > It should fix issues with 64-bit ALU operations, but it's also the one > where it's more likely to have a mistake. > > Patch 4 is comparatively trivial, though I cannot exclude any screwups. > > It should be possible to test this with both HVF and Hyper-V. > > Paolo
FWIW this series builds fine on for x86 HVF. Thanks, Wei. > > Paolo Bonzini (4): > target/i386/emulate: fix target_ulong format strings > target/i386/emulate: stop overloading decode->op[N].ptr > target/i386/emulate: mostly rewrite flags handling > target/i386: remove lflags > > target/i386/cpu.h | 6 - > target/i386/emulate/x86_decode.h | 9 +- > target/i386/emulate/x86_emu.h | 8 +- > target/i386/emulate/x86_flags.h | 12 +- > target/i386/emulate/x86_decode.c | 76 ++++++------ > target/i386/emulate/x86_emu.c | 125 +++++++++---------- > target/i386/emulate/x86_flags.c | 198 +++++++++++++------------------ > 7 files changed, 197 insertions(+), 237 deletions(-) > > -- > 2.49.0 >