Documentation for the simulator
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//! # Interrupt
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//!
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//! This module contains an interrupt Handler.
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//! The methodes one_trick and idle aren't implemented for now
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/// # Interrupt
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///
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/// Interrupt Handler
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#[derive(PartialEq)]
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pub struct Interrupt {
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/// Current Status
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level: InterruptStatus
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}
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impl Interrupt {
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/// Interrupt constructor
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///
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/// ### Return
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/// Interrupt with status Off
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pub fn new() -> Self {
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Self {
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level: InterruptStatus::InterruptOff
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}
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}
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/// Interrupt setter
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/// Change the value of the Interrupt
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///
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/// ### Parameters
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/// - **self** the interupt handler
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/// - **new_status** the new status value
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///
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/// ### return
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/// The previus status
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pub fn set_status(&mut self, new_status: InterruptStatus) -> InterruptStatus {
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let old = self.level;
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self.level = new_status;
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@ -25,6 +46,7 @@ impl Interrupt {
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todo!();
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}
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/// Interupt getter
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pub fn get_status(&self) -> InterruptStatus {
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self.level
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}
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//! # Loader
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//!
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//! This module contains a loader for file section.
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//! Following the common standard file format for executable files
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//! [ELF (Executable and Linkable Format)](https://en.wikipedia.org/wiki/Executable_and_Linkable_Forma)
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//!
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//! It's used to charge a programme into the machine from a binary file (.guac files)
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//!
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//! Basic usage:
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//!
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//! ```
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//! let args = Args::parse();
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//! let mut machine = Machine::new(args.debug & 1 != 0, read_settings().unwrap());
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//! let (loader, ptr) = loader::Loader::new(args.executable.as_str(), &mut machine, 0).expect("An error occured while parsing the program");
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//! ```
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use crate::Machine;
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use std::fs;
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use std::io::Read;
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/// The elf header defines principes aspects of the binary files, it's place at the start of the file
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/// see <https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header> for more informations
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/// see [ELF file Header](https://en.wikipedia.org/wiki/Executable_and_Linkable_Format#File_header) for more informations
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pub struct ElfHeader {
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/// Defines whether the file is big or little endian
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/// true correspond to big endian, false otherwise
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//! # mem_cmp
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//! # Memory Comparator
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//!
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//! This module contains a MemChecker.
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//!
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//! # mmu
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//! # MMU
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//!
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//! This module contains a MMU implementation
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//!
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//! This part isn't tested and integrated to BurritOS because of the lack of pagination implementation
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//! This part isn't tested nor integrated to BurritOS because of the lack of pagination implementation
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//!
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//!
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//Nombre maximum de correspondances dans une table des pages
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//Cette donnée devra a terme etre recupérée depuis un fichier de configuration
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//! # Translation Table
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//!
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//! This module implement a trnslation table used for fot the MMU Emulator
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//!
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//! This part isn't tested nor integrated to BurritOS,
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//! but will be useful in the futur when the pagination will be implemented.
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//!
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//! It contains:
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//! - all the setters and getters for translation table
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//! - modificaters of table values
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/// Maximum number in a Page Table
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/// For a futur evolution of program, this value should be load from a configuration file
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const MaxVirtPages : u64 = 200000;
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/* Une table de correspondance propre à un processus
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* Une variable de type TranslationTable devra etre possédée par un objet de type Process
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*/
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/// Translation Table corresponding to a process
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/// An iteration of type TranslationTable should be possesses by an oject of type Process
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pub struct TranslationTable{
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//capacité de cette table <=> nombre de correspondances possibles
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//A voir si cette donnée doit etre immuable
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/// Table size <=> nb of possible translation
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pub maxNumPages : u64,
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//la table en question
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//Vec implemente le trait Index, donc un bon choix
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///The table *Vec impemente Index Trait*
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pub pageTable : Vec<PageTableEntry>
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}
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impl TranslationTable {
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/// TranslationTable constructor
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///
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/// ### Return
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/// TranslationTable with an empty Vector
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pub fn create() -> TranslationTable {
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let mut tmp_vec : Vec<PageTableEntry> = Vec::new();
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