andrey/osblog
1
0
Fork 0
mirror of https://github.com/sgmarz/osblog.git synced 2024-11-24 02:16:19 +04:00
Code Issues Projects Releases Wiki Activity

Use zalloc to clear page tables.

Browse Source
This commit is contained in:
Stephen Marz 2019-11-28 12:02:37 -05:00
parent c5179e60d6
commit c99bff8944
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
risc_v/ch6/src/process.rs
View File

@ -4,7 +4,7 @@
// 27 Nov 2019 // 27 Nov 2019
use crate::{cpu::TrapFrame, use crate::{cpu::TrapFrame,
page::{alloc, dealloc, Table, PAGE_SIZE}}; page::{alloc, dealloc, zalloc, Table, PAGE_SIZE}};
use alloc::collections::linked_list::LinkedList; use alloc::collections::linked_list::LinkedList;
const STACK_PAGES: usize = 2; const STACK_PAGES: usize = 2;
@ -142,7 +142,7 @@ impl Process {
stack: alloc(STACK_PAGES), stack: alloc(STACK_PAGES),
program_counter: func as usize, program_counter: func as usize,
pid: pd, pid: pd,
root: alloc(1) as *mut Table, root: zalloc(1) as *mut Table,
state: ProcessState::Waiting, state: ProcessState::Waiting,
data: ProcessData::zero(), }; data: ProcessData::zero(), };
// Now we move the stack pointer to the bottom of the // Now we move the stack pointer to the bottom of the