add cargo fmt in Makefile, and exec make fmt

Makefile

@@ -6,3 +6,5 @@ docker:
 
 build_docker: 
 	docker build -t ${DOCKER_NAME} .
+fmt:
+	cd easy-fs; cargo fmt; cd ../easy-fs-fuse cargo fmt; cd ../os ; cargo fmt; cd ../user; cargo fmt; cd ..

os/src/boards/qemu.rs

@@ -3,4 +3,3 @@ pub const CLOCK_FREQ: usize = 12500000;
 pub const MMIO: &[(usize, usize)] = &[(0x10001000, 0x1000)];
 
 pub type BlockDeviceImpl = crate::drivers::block::VirtIOBlock;
-

os/src/config.rs

@@ -12,4 +12,3 @@ pub const TRAMPOLINE: usize = usize::MAX - PAGE_SIZE + 1;
 pub const TRAP_CONTEXT: usize = TRAMPOLINE - PAGE_SIZE;
 
 pub use crate::board::{CLOCK_FREQ, MMIO};
-

os/src/drivers/block/mod.rs

@@ -1,13 +1,13 @@
 mod sdcard;
 mod virtio_blk;
 
-pub use virtio_blk::VirtIOBlock;
 pub use sdcard::SDCardWrapper;
+pub use virtio_blk::VirtIOBlock;
 
+use crate::board::BlockDeviceImpl;
 use alloc::sync::Arc;
 use easy_fs::BlockDevice;
 use lazy_static::*;
-use crate::board::BlockDeviceImpl;
 
 lazy_static! {
     pub static ref BLOCK_DEVICE: Arc<dyn BlockDevice> = Arc::new(BlockDeviceImpl::new());

os/src/mm/memory_set.rs

@@ -389,26 +389,20 @@ pub fn remap_test() {
     let mid_text: VirtAddr = ((stext as usize + etext as usize) / 2).into();
     let mid_rodata: VirtAddr = ((srodata as usize + erodata as usize) / 2).into();
     let mid_data: VirtAddr = ((sdata as usize + edata as usize) / 2).into();
-    assert!(
-        !kernel_space
+    assert!(!kernel_space
         .page_table
         .translate(mid_text.floor())
         .unwrap()
-            .writable(),
-    );
-    assert!(
-        !kernel_space
+        .writable(),);
+    assert!(!kernel_space
         .page_table
         .translate(mid_rodata.floor())
         .unwrap()
-            .writable(),
-    );
-    assert!(
-        !kernel_space
+        .writable(),);
+    assert!(!kernel_space
         .page_table
         .translate(mid_data.floor())
         .unwrap()
-            .executable(),
-    );
+        .executable(),);
     println!("remap_test passed!");
 }

os/src/mm/page_table.rs

@@ -155,8 +155,8 @@ impl PageTable {
         8usize << 60 | self.root_ppn.0
     }
 }
-    /// Translate a pointer to a mutable u8 Vec through page table
-    pub fn translated_byte_buffer(token: usize, ptr: *const u8, len: usize) -> Vec<&'static mut [u8]> {
+/// Translate a pointer to a mutable u8 Vec through page table
+pub fn translated_byte_buffer(token: usize, ptr: *const u8, len: usize) -> Vec<&'static mut [u8]> {
     let page_table = PageTable::from_token(token);
     let mut start = ptr as usize;
     let end = start + len;

os/src/task/mod.rs

@@ -27,14 +27,15 @@ use crate::fs::{open_file, OpenFlags};
 use alloc::sync::Arc;
 pub use context::TaskContext;
 use lazy_static::*;
-pub use manager::{fetch_task,TaskManager};
+pub use manager::{fetch_task, TaskManager};
 use switch::__switch;
 use task::{TaskControlBlock, TaskStatus};
 
 pub use manager::add_task;
-pub use pid::{pid_alloc, KernelStack, PidHandle,PidAllocator};
+pub use pid::{pid_alloc, KernelStack, PidAllocator, PidHandle};
 pub use processor::{
-    current_task, current_trap_cx, current_user_token, run_tasks, schedule, take_current_task,Processor
+    current_task, current_trap_cx, current_user_token, run_tasks, schedule, take_current_task,
+    Processor,
 };
 /// Suspend the current 'Running' task and run the next task in task list.
 pub fn suspend_current_and_run_next() {

os/src/timer.rs

@@ -1,4 +1,3 @@
-
 //! RISC-V timer-related functionality
 
 use crate::config::CLOCK_FREQ;