[wip] temporarily init allocator

This commit is contained in:
Berkus Decker 2018-03-09 01:22:16 +02:00 committed by Berkus Decker
parent c5d99b3b82
commit aac393381d
1 changed files with 9 additions and 6 deletions

View File

@ -21,14 +21,16 @@ impl FrameAllocator for AreaFrameAllocator {
};
// the last frame of the current area
let current_area_last_frame = {
let address = area.base_addr + area.length - 1;
Frame::containing_address(address as usize)
};
let current_area_last_frame = Frame::containing_address(0x3f00_0000);
// {
// let address = area.base_addr + area.length - 1;
// Frame::containing_address(address as usize)
// };
if frame > current_area_last_frame {
// all frames of current area are used, switch to next area
self.choose_next_area();
// self.choose_next_area();
unimplemented!();
} else if frame >= self.kernel_start && frame <= self.kernel_end {
// `frame` is used by the kernel
self.next_free_frame = Frame {
@ -76,7 +78,8 @@ impl AreaFrameAllocator {
multiboot_start: Frame::containing_address(multiboot_start),
multiboot_end: Frame::containing_address(multiboot_end),
};
allocator.choose_next_area();
// allocator.choose_next_area();
allocator.next_free_frame = Frame::containing_address(0x100000); // start from 1Mb
allocator
}