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Implement a new set of physical page APIs

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This commit is contained in:
Zhang Junyang
2024-12-24 18:20:55 +08:00
committed by Tate, Hongliang Tian
parent 6e1c36965a
commit cdac59beda
56 changed files with 882 additions and 995 deletions
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6
ostd/src/mm/kspace/mod.rs
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@ -164,7 +164,7 @@ pub fn init_kernel_page_table(meta_pages: Segment<MetaPageMeta>) {
// Map the metadata pages.
{
let start_va = mapping::page_to_meta::<PagingConsts>(0);
let from = start_va..start_va + meta_pages.nbytes();
let from = start_va..start_va + meta_pages.size();
let prop = PageProperty {
flags: PageFlags::RW,
cache: CachePolicy::Writeback,
@ -214,7 +214,7 @@ pub fn init_kernel_page_table(meta_pages: Segment<MetaPageMeta>) {
};
let mut cursor = kpt.cursor_mut(&from).unwrap();
for frame_paddr in to.step_by(PAGE_SIZE) {
let page = Frame::<KernelMeta>::from_unused(frame_paddr, KernelMeta::default());
let page = Frame::<KernelMeta>::from_unused(frame_paddr, KernelMeta);
// SAFETY: we are doing mappings for the kernel.
unsafe {
let _old = cursor.map(page.into(), prop);
@ -249,6 +249,6 @@ pub unsafe fn activate_kernel_page_table() {
/// The metadata of pages that contains the kernel itself.
#[derive(Debug, Default)]
pub struct KernelMeta {}
pub struct KernelMeta;
impl_frame_meta_for!(KernelMeta);