paging interface. two new paging interface files are added
(paging.c and paging.h)
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Signed-off-by: Wei Huang <Wei.Huang2@xxxxxxx>
b/xen/arch/x86/paging.c | 53 ++++++++
b/xen/include/asm-x86/paging.h | 258
+++++++++++++++++++++++++++++++++++++++++
xen/arch/x86/Makefile | 1
3 files changed, 312 insertions(+)