Jon Doron writes:
> The PhyMemMode gdb extension command was missing from the gdb.rst
> document.
>
> Signed-off-by: Jon Doron
Queued to docs/next, thanks.
> ---
> docs/system/gdb.rst | 20
> 1 file changed, 20 insertions(+)
>
> diff --git a/docs/system/gdb.rst b/docs/system/gdb.rst
> index a40145fcf8..abda961e2b 100644
> --- a/docs/system/gdb.rst
> +++ b/docs/system/gdb.rst
> @@ -87,3 +87,23 @@ three commands you can query and set the single step
> behavior:
>(gdb) maintenance packet Qqemu.sstep=0x5
>sending: "qemu.sstep=0x5"
>received: "OK"
> +
> +
> +Another feature that QEMU gdbstub provides is to toggle the memory GDB
> +works with, by default GDB will show the current process memory respecting
> +the virtual address translation.
> +
> +If you want to examine/change the physical memory you can set the gdbstub
> +to work with the physical memory rather with the virtual one.
> +
> +The memory mode can be checked by sending the following command:
> +
> +``maintenance packet qqemu.PhyMemMode``
> +This will return either 0 or 1, 1 indicates you are currently in the
> +physical memory mode.
> +
> +``maintenance packet Qqemu.PhyMemMode:1``
> +This will change the memory mode to physical memory.
> +
> +``maintenance packet Qqemu.PhyMemMode:0``
> +This will change it back to normal memory mode.
--
Alex Bennée
