aarch64: format paging.rs

kernel/Cargo.lock

@@ -263,8 +263,6 @@ dependencies = [
  "uart_16550 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ucore-memory 0.1.0",
  "ucore-process 0.1.0",
- "usize_conversions 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ux 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "volatile 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "x86_64 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "xmas-elf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",

kernel/Cargo.toml

@@ -33,10 +33,6 @@ ucore-memory = { path = "../crate/memory" }
 ucore-process = { path = "../crate/process" }
 simple-filesystem = { git = "https://github.com/wangrunji0408/SimpleFileSystem-Rust" }
 
-[dependencies.ux]
-default-features = false
-version = "0.1.0"
-
 [target.'cfg(target_arch = "x86_64")'.dependencies]
 bootloader = "0.3"
 x86_64 = "0.2.11"
@@ -49,7 +45,6 @@ bbl = { path = "../crate/bbl" }
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 cortex-a = "2.2.1"
-usize_conversions = "0.2.0"
 atags = { path = "../crate/atags" }
 bcm2837 = { path = "../crate/bcm2837", features = ["use_generic_timer"] }
 

kernel/src/arch/aarch64/memory.rs

@@ -10,6 +10,7 @@ pub fn init() {
     unsafe {
         HEAP_ALLOCATOR.lock().init(start, end - start);
     }
+    info!("memory: init end");
 }
 
 extern "C" {

kernel/src/arch/aarch64/mod.rs

@@ -1,9 +1,6 @@
 //! Entrance and initialization for aarch64.
 
 extern crate atags;
-extern crate bitflags;
-extern crate usize_conversions;
-pub extern crate ux;
 
 pub mod io;
 pub mod paging;
@@ -23,23 +20,22 @@ pub extern "C" fn rust_main() -> ! {
     // Init board to enable serial port.
     board::init();
 
+    // First init log mod, so that we can print log info.
+    // FIXME
+    ::logging::init();
+
     let (start, end) = memory::memory_map().expect("failed to find memory map");
-    println!("The value of start is: {}, end is {}", start, end);
+    println!("The value of start is: {:#x?}, end is {:#x?}", start, end);
 
+    interrupt::init();
     memory::init();
-    println!("memory init over");
+    timer::init();
 
     //let mut v = vec![];
     //for i in 0..1000 {
     //    v.push(i);
     //    println!("{:?}", v);
     //}
-    
-    // First init log mod, so that we can print log info.
-    // FIXME
-    ::logging::init();
-    interrupt::init();
-    timer::init();
 
     ::process::init();
 

kernel/src/arch/aarch64/paging.rs

@@ -3,11 +3,11 @@
 use ucore_memory::memory_set::*;
 use ucore_memory::paging::*;
 
-type VirtAddr=usize;
-type PhysAddr=usize;
+type VirtAddr = usize;
+type PhysAddr = usize;
 
 use alloc::alloc::{alloc, Layout};
-use memory::alloc_stack;
+use memory::{active_table, alloc_frame, alloc_stack, dealloc_frame};
 
 /// TODO
 pub struct ActivePageTable {
@@ -36,7 +36,7 @@ impl PageTable for ActivePageTable {
     }
 
     // For testing with mock
-    fn get_page_slice_mut<'a,'b>(&'a mut self, addr: VirtAddr) -> &'b mut [u8] {
+    fn get_page_slice_mut<'a, 'b>(&'a mut self, addr: VirtAddr) -> &'b mut [u8] {
         unimplemented!()
     }
 
@@ -82,7 +82,6 @@ impl Entry for PageEntry {
         unimplemented!()
     }
 
-
     fn clear_accessed(&mut self) {
         unimplemented!()
     }
@@ -99,7 +98,6 @@ impl Entry for PageEntry {
         unimplemented!()
     }
 
-
     fn target(&self) -> PhysAddr {
         unimplemented!()
     }
@@ -108,7 +106,6 @@ impl Entry for PageEntry {
         unimplemented!()
     }
 
-
     // For Copy-on-write extension
     fn writable_shared(&self) -> bool {
         unimplemented!()
@@ -126,7 +123,6 @@ impl Entry for PageEntry {
         unimplemented!()
     }
 
-
     // For Swap extension
     fn swapped(&self) -> bool {
         unimplemented!()
@@ -136,7 +132,6 @@ impl Entry for PageEntry {
         unimplemented!()
     }
 
-
     fn user(&self) -> bool {
         unimplemented!()
     }
@@ -152,7 +147,6 @@ impl Entry for PageEntry {
     fn set_execute(&mut self, value: bool) {
         unimplemented!()
     }
-
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
@@ -186,14 +180,16 @@ impl InactivePageTable for InactivePageTable0 {
     type Active = ActivePageTable;
 
     fn new() -> Self {
-        unsafe {let layout = Layout::new::<u64>();
-        let ptr = alloc(layout);
-        let frame = MockFrame::of_addr(*ptr as usize);
-        InactivePageTable0 { p4_frame: frame }}
+        unsafe {
+            let layout = Layout::new::<u64>();
+            let ptr = alloc(layout);
+            let frame = MockFrame::of_addr(*ptr as usize);
+            InactivePageTable0 { p4_frame: frame }
+        }
     }
 
     fn new_bare() -> Self {
-        Self::new()
+        unimplemented!()
     }
 
     fn edit(&mut self, f: impl FnOnce(&mut Self::Active)) {
@@ -201,11 +197,11 @@ impl InactivePageTable for InactivePageTable0 {
     }
 
     unsafe fn activate(&self) {
-        
+        unimplemented!()
     }
 
     unsafe fn with(&self, f: impl FnOnce()) {
-        
+        unimplemented!()
     }
 
     fn token(&self) -> usize {
@@ -213,11 +209,11 @@ impl InactivePageTable for InactivePageTable0 {
     }
 
     fn alloc_frame() -> Option<PhysAddr> {
-        unimplemented!()
+        alloc_frame()
     }
 
     fn dealloc_frame(target: PhysAddr) {
-        
+        dealloc_frame(target)
     }
 
     fn alloc_stack() -> Stack {

kernel/src/lib.rs

@@ -9,7 +9,6 @@
 #![feature(panic_info_message)]
 #![feature(global_asm)]
 #![feature(compiler_builtins_lib)]
-#![feature(try_from)]
 #![no_std]
 
 
@@ -34,7 +33,6 @@ extern crate volatile;
 #[cfg(target_arch = "x86_64")]
 extern crate x86_64;
 extern crate xmas_elf;
-extern crate usize_conversions;
 
 use linked_list_allocator::LockedHeap;