xref: /DragonOS/kernel/src/mm/mod.rs (revision bb5f098a864cee36b7d2c1ab9c029c0280d94a8a)
1 use crate::include::bindings::bindings::{mm_struct, process_control_block, PAGE_OFFSET};
2 
3 pub mod allocator;
4 pub mod gfp;
5 pub mod mmio_buddy;
6 pub mod syscall;
7 
8 /// @brief 将内核空间的虚拟地址转换为物理地址
9 #[inline(always)]
10 pub fn virt_2_phys(addr: usize) -> usize {
11     addr - PAGE_OFFSET as usize
12 }
13 
14 /// @brief 将物理地址转换为内核空间的虚拟地址
15 #[inline(always)]
16 pub fn phys_2_virt(addr: usize) -> usize {
17     addr + PAGE_OFFSET as usize
18 }
19 
20 // ====== 重构内存管理后,请删除18-24行 ======
21 //BUG pcb问题
22 unsafe impl Send for process_control_block {}
23 unsafe impl Sync for process_control_block {}
24 
25 unsafe impl Send for mm_struct {}
26 unsafe impl Sync for mm_struct {}
27