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staload "kernel/memory/frame.sats"
staload "lib/SATS/valid.sats"
abstype vaddr_type(l:addr) = ptr(l)
typedef vaddr(l:addr) = vaddr_type(l)
abst@ype entry_type = uint64
typedef entry_t = entry_type
typedef page_t = @{
num = size_t
}
datatype entry_flag =
| PRESENT
| WRITABLE
| USER_ACCESSIBLE
| WRITE_THROUGH
| NO_CACHE
| ACCESSED
| DIRTY
| HUGE_PAGE
| GLOBAL
| NO_EXECUTE
fn is_unused(entry_t) : bool
fn set_unused(&entry_t) : void
fn contains_flag(entry_t,entry_flag) : bool
fn pointed_frame(entry_t) : Valid frame_t
fn entry_set{n:nat}(&entry_t,frame_t,&(@[entry_flag][n]),size_t n) : void
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