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ppn","Translate <code>VirtPageNum</code> to <code>PageTableEntry</code>","Translate <code>VirtAddr</code> to <code>PhysAddr</code>","Translate a pointer to a mutable u8 Vec through page table","Translate a generic through page table and return a …","Translate a generic through page table and return a …","Translate a pointer to a mutable u8 Vec end with <code>\\\\0</code> …","","","","","","","","","","","","","","","","Returns the union of between the flags in <code>self</code> and <code>other</code>.","Delete a mapping form <code>vpn</code>","Check PTE writable","","","","","","","","","","use sbi call to getchar from console (qemu uart handler)","use sbi call to putchar in console (qemu uart handler)","general sbi call","use sbi call to set timer","use sbi call to shutdown the kernel","Wrap a static data structure inside it so that we are able …","inner data","Uniprocessor interior mutability primitives","Wrap a static data structure inside it so that we are able …","","","Exclusive 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Panic if the …","Returns the argument unchanged.","inner data","Calls <code>U::from(self)</code>.","User is responsible to guarantee that inner struct is only …","","","","","","","","","","","","","","","File and filesystem-related syscalls","","handle syscall exception with <code>syscall_id</code> and other …","","","","","","","","","","If there is not a child process whose pid is same as …","","","pid of usertests app in make run TEST=1","Globle process that init user shell","Kernelstack for app","Pid Allocator struct","Bind pid lifetime to <code>PidHandle</code>","Processor management structure","task context structure containing some registers","A array of <code>TaskControlBlock</code> that is thread-safe","","Add init process to the manager","Interface offered to add task","","","Implementation of <code>TaskContext</code>","","The task currently executing on the current processor","Get running task","Get the mutable reference to trap context of current task","Get token of the address space of current task","","Exit the current ‘Running’ task and run the next task …","Interface offered to pop the first task","Returns the argument unchanged.","The basic control flow of each core, helping to select and …","Calls <code>U::from(self)</code>.","Implementation of <code>TaskManager</code>","Implementation of <code>PidAllocator</code>","","Allocate a pid from PID_ALLOCATOR","Implementation of <code>Processor</code> and Intersection of control …","return address ( e.g. __restore ) of __switch ASM function","","","The main part of process execution and scheduling Loop …","s0-11 register, callee saved","Return to idle control flow for new scheduling","kernel stack pointer of app","Suspend the current ‘Running’ task and run the next …","Wrap <code>switch.S</code> as a function","Take the current task,leaving a None in its place","Implementation of <code>TaskControlBlock</code>","","","","task context structure containing some registers","","","Returns the argument unchanged.","set Task Context{__restore ASM funciton: trap_return, sp: …","Calls <code>U::from(self)</code>.","return address ( e.g. __restore ) of __switch ASM function","s0-11 register, callee saved","kernel stack pointer of app","","","","init task context","","A array of <code>TaskControlBlock</code> that is thread-safe","","Add a task to <code>TaskManager</code>","Interface offered to add task","","","","","","Remove the first task and return it,or <code>None</code> if <code>TaskManager</code> …","Interface offered to pop the first task","Returns the argument unchanged.","Returns the argument unchanged.","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Creat an empty TaskManager","","","","","","","","","Kernelstack for app","","Pid Allocator struct","Bind pid lifetime to <code>PidHandle</code>","","Allocate a pid","","","","","","","","","","Recycle a pid","","","","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","Get the value on the top of kernelstack","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Return (bottom, top) of a kernel stack in kernel space.","Create an empty <code>PidAllocator</code>","Create a kernelstack from pid","","Allocate a pid from PID_ALLOCATOR","Push a value on top of kernelstack","","","","","","","","","","","","","","","Processor management structure","","","","","","Get current task in cloning semanteme","The task currently executing on the current processor","Get running task","Get the mutable reference to trap context of current task","Get token of the address space of current task","","Returns the argument unchanged.","Returns the argument unchanged.","Get mutable reference to <code>idle_task_cx</code>","The basic control flow of each core, helping to select and …","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Create an empty Processor","The main part of process execution and scheduling Loop …","Return to idle control flow for new scheduling","Get current task in moving semanteme","Take the current task,leaving a None in its place","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","","","","","","","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","Calls <code>U::from(self)</code>.","","","","","","","","","","","","","","","","","","","","","","get current time","get current time in microseconds","set the next timer interrupt","trap context structure containing sstatus, sepc and …","Implementation of <code>TrapContext</code>","enable timer interrupt in sie CSR","initialize CSR <code>stvec</code> as the entry of <code>__alltraps</code>","Addr of Page Table","kernel stack","CSR sepc","","","CSR sstatus      ","Unimplement: traps/interrupts/exceptions from kernel mode …","handle an interrupt, exception, or system call from user …","Addr of trap_handler function","set the new addr of __restore asm function in TRAMPOLINE …","general regs[0..31]","trap context structure containing sstatus, sepc and …","init app context","","","","Returns the argument unchanged.","Calls <code>U::from(self)</code>.","Addr of Page Table","kernel stack","CSR sepc","set stack pointer to x_2 reg (sp)","CSR sstatus      ","Addr of trap_handler function","","","","general 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