On Mon, Sep 24, 2018 at 2:54 PM Grant Likely <grant.lik...@arm.com> wrote: > > The UEFI spec already covers the requirements on the runtime memory map. > No need to have a whole section on it here.
Is it worth just referring to the relevant section in the UEFI spec? > Signed-off-by: Grant Likely <grant.lik...@arm.com> Reviewed-by: Peter Robinson <pbrobin...@gmail.com> > --- > source/chapter2-uefi.rst | 23 ----------------------- > 1 file changed, 23 deletions(-) > > diff --git a/source/chapter2-uefi.rst b/source/chapter2-uefi.rst > index 7fd8aa6..6f7d260 100644 > --- a/source/chapter2-uefi.rst > +++ b/source/chapter2-uefi.rst > @@ -125,29 +125,6 @@ EL1 or EL2, with appropriate virtual address mappings. > When called, subsequent runtime service calls must be from the same Exception > level. > > -Runtime Memory Map > ------------------- > - > -Before calling ExitBootServices(), the final call to GetMemoryMap() returns a > -description of the entire UEFI memory map, that includes the persistent > Runtime > -Services mappings. > - > -After the call to ExitBootServices(), the Runtime Services page mappings can > be > -relocated in virtual address space by calling SetVirtualAddressMap(). > -This call allows the Runtime Services to assign virtual addresses that are > -compatible with the incoming Operating System memory map. > - > -A UEFI runtime environment compliant with this specification must not be > -written with any assumption of an identity mapping between virtual and > physical > -memory maps. > - > -UEFI operates with a 4K page size. With Runtime Services, these pages are > -mapped into the Operating System address space. > - > -To allow Operating Systems to use 64K page mappings, UEFI 2.7, constrains all > -mapped 4K memory pages to have identical page attributes, within the same > -physical 64K page. > - > Runtime Device Mappings > ----------------------- > > -- > 2.13.0 > > _______________________________________________ > Arm.ebbr-discuss mailing list > arm.ebbr-disc...@arm.com _______________________________________________ boot-architecture mailing list boot-architecture@lists.linaro.org https://lists.linaro.org/mailman/listinfo/boot-architecture
