On Sun, 31 May 2020 at 17:42, Jon Doron <ari...@gmail.com> wrote: > > On 31/05/2020, Philippe Mathieu-Daudé wrote: > >On 3/30/20 6:41 PM, Peter Maydell wrote: > >> PS: do we have any documentation of this new command ? > >> ab4752ec8d9 has the implementation but no documentation... > > > >Jon, do you have documentation on the Qqemu.PhyMemMode packet?
> Hi, there is no documentation for this mode, but in general the idea was > very simple. > > I want to have GDB the option to see the physical memory and examine it > and have this option toggled. > > This was useful to me when I was working on nested virtual machine and I > wanted to examine different states of the VMCS12 and EPTs. > > I used this in the following commands: > // Enable > maint packet Qqemu.PhyMemMode:1 > > // Disable > maint packet Qqemu.PhyMemMode:0 docs/system/gdb.rst would be the place to document QEMU-specific extensions to the gdb protocol (there's an "advanced debugging options" section where we document things like the single-step stuff you can also change via 'maint packet'). thanks -- PMM
