diff --git a/ch5/os/mm/memory_set/struct.MapArea.html b/ch5/os/mm/memory_set/struct.MapArea.html index dab21074..b492cea6 100644 --- a/ch5/os/mm/memory_set/struct.MapArea.html +++ b/ch5/os/mm/memory_set/struct.MapArea.html @@ -10,7 +10,7 @@ map_type: MapType, map_perm: MapPermission, }
Expand description

map area structure, controls a contiguous piece of virtual memory

-

Fields

vpn_range: SimpleRange<VirtPageNum>data_frames: BTreeMap<VirtPageNum, FrameTracker>map_type: MapTypemap_perm: MapPermission

Implementations

data: start-aligned but maybe with shorter length +

Fields

vpn_range: SimpleRange<VirtPageNum>data_frames: BTreeMap<VirtPageNum, FrameTracker>map_type: MapTypemap_perm: MapPermission

Implementations

data: start-aligned but maybe with shorter length assume that all frames were cleared before

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

diff --git a/ch5/os/mm/memory_set/struct.MemorySet.html b/ch5/os/mm/memory_set/struct.MemorySet.html index 7990d1ba..7bc8b90c 100644 --- a/ch5/os/mm/memory_set/struct.MemorySet.html +++ b/ch5/os/mm/memory_set/struct.MemorySet.html @@ -16,7 +16,7 @@

Without kernel stacks.

Include sections in elf and trampoline and TrapContext and user stack, also returns user_sp and entry point.

-

Clone a same MemorySet

+

Clone a same MemorySet

Refresh TLB with sfence.vma

Translate throuth pagetable

Remove all MapArea

diff --git a/ch5/os/mm/struct.MemorySet.html b/ch5/os/mm/struct.MemorySet.html index 87b77c4a..f7fa9b24 100644 --- a/ch5/os/mm/struct.MemorySet.html +++ b/ch5/os/mm/struct.MemorySet.html @@ -16,7 +16,7 @@

Without kernel stacks.

Include sections in elf and trampoline and TrapContext and user stack, also returns user_sp and entry point.

-

Clone a same MemorySet

+

Clone a same MemorySet

Refresh TLB with sfence.vma

Translate throuth pagetable

Remove all MapArea

diff --git a/ch5/os/task/task/enum.TaskStatus.html b/ch5/os/task/task/enum.TaskStatus.html index 2f030c65..8295756d 100644 --- a/ch5/os/task/task/enum.TaskStatus.html +++ b/ch5/os/task/task/enum.TaskStatus.html @@ -4,16 +4,16 @@
-

Enum os::task::task::TaskStatus

source · [−]
pub enum TaskStatus {
+    
Enum os::task::task::TaskStatus
source · [−]
pub enum TaskStatus {
     Ready,
     Running,
     Zombie,
-}

Variants

Ready

Running

Zombie

Trait Implementations

Returns a copy of the value. Read more

+}

Variants

Ready

Running

Zombie

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

-

This method tests for self and other values to be equal, and is used +

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

-

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

+

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

diff --git a/ch5/os/task/task/index.html b/ch5/os/task/task/index.html index f2bcaa9d..a120a291 100644 --- a/ch5/os/task/task/index.html +++ b/ch5/os/task/task/index.html @@ -4,7 +4,7 @@
-

Module os::task::task

source · [−]
Expand description

Implementation of TaskControlBlock

+

Module os::task::task

source · [−]
Expand description

Implementation of TaskControlBlock

Structs

TaskControlBlock
TaskControlBlockInner

Enums

TaskStatus
diff --git a/ch5/os/task/task/struct.TaskControlBlock.html b/ch5/os/task/task/struct.TaskControlBlock.html index 8884db5b..032e71cc 100644 --- a/ch5/os/task/task/struct.TaskControlBlock.html +++ b/ch5/os/task/task/struct.TaskControlBlock.html @@ -8,7 +8,7 @@ pub pid: PidHandle, pub kernel_stack: KernelStack, inner: UPSafeCell<TaskControlBlockInner>, -}

Fields

pid: PidHandlekernel_stack: KernelStackinner: UPSafeCell<TaskControlBlockInner>

Implementations

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

+}

Fields

pid: PidHandlekernel_stack: KernelStackinner: UPSafeCell<TaskControlBlockInner>

Implementations

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

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}'); if (window.initSearch) {window.initSearch(searchIndex)}; \ No newline at end of file diff --git a/ch5/src/os/mm/memory_set.rs.html b/ch5/src/os/mm/memory_set.rs.html index 7b73daa8..ae36c6e2 100644 --- a/ch5/src/os/mm/memory_set.rs.html +++ b/ch5/src/os/mm/memory_set.rs.html @@ -642,7 +642,7 @@ ) } ///Clone a same `MemorySet` - pub fn from_existed_user(user_space: &Self) -> Self { + pub fn from_existed_user(user_space: &MemorySet) -> MemorySet { let mut memory_set = Self::new_bare(); // map trampoline memory_set.map_trampoline(); @@ -703,7 +703,7 @@ map_perm, } } - pub fn from_another(another: &Self) -> Self { + pub fn from_another(another: &MapArea) -> Self { Self { vpn_range: VPNRange::new(another.vpn_range.get_start(), another.vpn_range.get_end()), data_frames: BTreeMap::new(), diff --git a/ch5/src/os/task/task.rs.html b/ch5/src/os/task/task.rs.html index 520a7a50..112e1bc8 100644 --- a/ch5/src/os/task/task.rs.html +++ b/ch5/src/os/task/task.rs.html @@ -172,8 +172,6 @@ 167 168 169 -170 -171 
//!Implementation of [`TaskControlBlock`]
 use super::TaskContext;
 use super::{pid_alloc, KernelStack, PidHandle};
@@ -281,8 +279,6 @@
         inner.memory_set = memory_set;
         // update trap_cx ppn
         inner.trap_cx_ppn = trap_cx_ppn;
-        // initialize base_size
-        inner.base_size = user_sp;
         // initialize trap_cx
         let trap_cx = inner.get_trap_cx();
         *trap_cx = TrapContext::app_init_context(
@@ -294,7 +290,7 @@
         );
         // **** release inner automatically
     }
-    pub fn fork(self: &Arc<Self>) -> Arc<Self> {
+    pub fn fork(self: &Arc<TaskControlBlock>) -> Arc<TaskControlBlock> {
         // ---- access parent PCB exclusively
         let mut parent_inner = self.inner_exclusive_access();
         // copy user space(include trap context)