Bump to rust nightly-2022-01-01, feature global_asm,asm->stable

os/src/main.rs

@@ -1,7 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(global_asm)]
-#![feature(asm)]
 #![feature(panic_info_message)]
 #![feature(alloc_error_handler)]
 
@@ -24,6 +22,8 @@ mod mm;
 mod fs;
 mod drivers;
 
+use core::arch::global_asm;
+
 global_asm!(include_str!("entry.asm"));
 
 fn clear_bss() {
@@ -52,4 +52,4 @@ pub fn rust_main() -> ! {
     task::add_initproc();
     task::run_tasks();
     panic!("Unreachable in rust_main!");
-}
+}

os/src/mm/memory_set.rs

@@ -16,6 +16,7 @@ use crate::config::{
     USER_STACK_SIZE,
     MMIO,
 };
+use core::arch::asm;
 
 extern "C" {
     fn stext();
@@ -355,4 +356,4 @@ pub fn remap_test() {
         false,
     );
     println!("remap_test passed!");
-}
+}

os/src/sbi.rs

@@ -1,5 +1,7 @@
 #![allow(unused)]
 
+use core::arch::asm;
+
 const SBI_SET_TIMER: usize = 0;
 const SBI_CONSOLE_PUTCHAR: usize = 1;
 const SBI_CONSOLE_GETCHAR: usize = 2;

os/src/task/switch.rs

@@ -1,6 +1,7 @@
-global_asm!(include_str!("switch.S"));
-
 use super::TaskContext;
+use core::arch::global_asm;
+
+global_asm!(include_str!("switch.S"));
 
 extern "C" {
     pub fn __switch(

os/src/trap/mod.rs

@@ -21,6 +21,7 @@ use crate::task::{
 };
 use crate::timer::set_next_trigger;
 use crate::config::{TRAP_CONTEXT, TRAMPOLINE};
+use core::arch::{global_asm, asm};
 
 global_asm!(include_str!("trap.S"));
 

rust-toolchain

@@ -1 +1 @@
-nightly-2021-12-15
+nightly-2022-01-01

user/src/lib.rs

@@ -1,5 +1,4 @@
 #![no_std]
-#![feature(asm)]
 #![feature(linkage)]
 #![feature(panic_info_message)]
 #![feature(alloc_error_handler)]
@@ -105,4 +104,4 @@ pub fn sleep(period_ms: usize) {
     while sys_get_time() < start + period_ms as isize {
         sys_yield();
     }
-}
+}

user/src/syscall.rs

@@ -1,3 +1,5 @@
+use core::arch::asm;
+
 const SYSCALL_DUP: usize = 24;
 const SYSCALL_OPEN: usize = 56;
 const SYSCALL_CLOSE: usize = 57;
@@ -77,4 +79,4 @@ pub fn sys_exec(path: &str, args: &[*const u8]) -> isize {
 
 pub fn sys_waitpid(pid: isize, exit_code: *mut i32) -> isize {
     syscall(SYSCALL_WAITPID, [pid as usize, exit_code as usize, 0])
-}
+}