blob: 33a072c85329c12854edb8760815b2999a45c0b0 (
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
26
27
28
29
30
31
32
33
34
35
36
37
38
|
//! Page Table Type
const Entry = @import("entry.zig").Entry;
pub const Table = struct {
entries: [512]Entry,
pub fn get_entry(self: *Table, index: u9) *Entry {
return &self.entries[index];
}
pub fn get_entry_const(self: *const Table, index: u9) *const Entry {
return &self.entries[index];
}
pub fn clear_all(self: *Table) void {
for (&self.entries) |*entry| {
entry.clear();
}
}
pub fn copy_kernel_entries(self: *Table, source: *const Table) void {
var index: usize = 256;
while (index < 512) : (index += 1) {
self.entries[index] = source.entries[index];
}
}
pub fn count_present(self: *const Table) u32 {
var count: u32 = 0;
for (self.entries) |entry| {
if (entry.is_present()) {
count += 1;
}
}
return count;
}
};
|
