blob: 8d0c8028116dbec5628b2e038ebd0144c24ebe61 (
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
39
40
41
42
43
44
|
//! Boot Information Type
const pmm_types = @import("../../../pmm/types/types.zig");
const MemoryRegion = pmm_types.MemoryRegion;
pub const BootInfo = struct {
memory_map: [*]const MemoryRegion,
memory_map_count: u64,
framebuffer_address: u64,
framebuffer_width: u32,
framebuffer_height: u32,
framebuffer_pitch: u32,
framebuffer_bpp: u8,
kernel_physical_base: u64,
kernel_physical_end: u64,
kernel_virtual_base: u64,
pml4_physical: u64,
rsdp_address: u64,
boot_stack_top: u64,
pub fn total_memory(self: BootInfo) u64 {
var total: u64 = 0;
var index: u64 = 0;
while (index < self.memory_map_count) : (index += 1) {
total += self.memory_map[index].length;
}
return total;
}
pub fn usable_memory(self: BootInfo) u64 {
var usable: u64 = 0;
var index: u64 = 0;
while (index < self.memory_map_count) : (index += 1) {
if (self.memory_map[index].is_usable()) {
usable += self.memory_map[index].length;
}
}
return usable;
}
pub fn kernel_size(self: BootInfo) u64 {
return self.kernel_physical_end - self.kernel_physical_base;
}
};
|
