blob: 0de505696c3ea82b1ae34dd7bdcb4ca1cd5d606f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
#define PAGE_SIZE 4096
staload "kernel/bootinfo/multiboot.sats"
typedef frame_t = @{
num = size_t
}
typedef frame_allocator_t = @{
next_free_frame = frame_t,
current_area = memory_area_t,
kernel_start = frame_t,
kernel_end = frame_t,
multiboot_start = frame_t,
multiboot_end = frame_t
}
vtypedef allocptr = [l : agz] (frame_allocator_t@l , frame_allocator_t@l -<lin,prf> void | ptr l)
abst@ype frame_allocator = frame_allocator_t
fn containing_address {l : addr} (address : ptr l) :<> frame_t
fn allocate_frame {l : agz}{k : agz} (bf : !boot_info_t @ k | b : ptr k) :<!ref,!wrt> frame_t
fn deallocate_frame (p : !allocptr) : void
fn frame_allocator_init(kernel_start: Ptr, kernel_end: Ptr, multiboot_start:Ptr, multiboot_end: Ptr, b : !bootptr) : void
|
