On 30 September 2015 at 13:15, Marcin Krzemiński <mar.krzemin...@gmail.com> wrote: > > > 2015-09-30 12:44 GMT+02:00 Peter Maydell <peter.mayd...@linaro.org>: >> >> On 30 September 2015 at 06:18, Marcin Krzemiński >> <mar.krzemin...@gmail.com> wrote: >> > I have at 0xfffffff0 real memory now (with aliasing to lower memory >> > address). >> > Does it mean that qemu might try to execute some instructions from >> > there? >> >> As I say, we need there to be fake RAM at that address. We never >> try to read its contents, though.
> That wasn't clear for me. > Since I have real and used memory there in my model I worried that I my get > sometimes unexpected behavior. It seems very unlikely that you would have real memory there in an M profile CPU system -- that address range is part of the Vendor System section of the address space. (Among other things it's compulsorily execute-never.) thanks -- PMM
