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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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19
ostd/src/boot/smp.rs
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@ -10,11 +10,7 @@ use spin::Once;
use crate::{
arch::boot::smp::{bringup_all_aps, get_num_processors},
cpu,
mm::{
frame::{self, Segment},
kspace::KernelMeta,
paddr_to_vaddr, PAGE_SIZE,
},
mm::{frame::Segment, kspace::KernelMeta, paddr_to_vaddr, FrameAllocOptions, PAGE_SIZE},
task::Task,
};
@ -62,14 +58,17 @@ pub fn boot_all_aps() {
AP_BOOT_INFO.call_once(|| {
let mut per_ap_info = BTreeMap::new();
// Use two pages to place stack pointers of all APs, thus support up to 1024 APs.
let boot_stack_array =
frame::allocator::alloc_contiguous(2 * PAGE_SIZE, |_| KernelMeta::default()).unwrap();
let boot_stack_array = FrameAllocOptions::new()
.zeroed(false)
.alloc_segment_with(2, |_| KernelMeta)
.unwrap();
assert!(num_cpus < 1024);
for ap in 1..num_cpus {
let boot_stack_pages =
frame::allocator::alloc_contiguous(AP_BOOT_STACK_SIZE, |_| KernelMeta::default())
.unwrap();
let boot_stack_pages = FrameAllocOptions::new()
.zeroed(false)
.alloc_segment_with(AP_BOOT_STACK_SIZE / PAGE_SIZE, |_| KernelMeta)
.unwrap();
let boot_stack_ptr = paddr_to_vaddr(boot_stack_pages.end_paddr());
let stack_array_ptr = paddr_to_vaddr(boot_stack_array.start_paddr()) as *mut u64;
// SAFETY: The `stack_array_ptr` is valid and aligned.