src/drivers/atapi/mod.rs

@@ -248,7 +248,7 @@ impl ATABus {
         self.wait_command_end();
     }
 
-    pub async fn read_block(&mut self, lba: u32) -> [u8; CD_SECTOR_SIZE] {
+    pub async fn read_block(&mut self, lba: u32) {
         let mut packet = SCSIPacket::new();
 
         packet.op_code = SCSI_READ_12;
@@ -277,8 +277,6 @@ impl ATABus {
         //(*INTERRUPT_FUTURE).await;
 
         self.wait_command_end();
-
-        self.block
     }
 
     fn wait_busy(&mut self) {

src/fs/iso/iso9660.rs

@@ -27,6 +27,14 @@ struct IsoPathTable {
 }
 
 impl IsoPathTable {
+    pub fn from(mapping: &u8) -> &Self {
+        let ptr: *const u8 = mapping;
+        let path_table_ptr: *const Self = ptr as *const Self;
+        unsafe {
+            &*path_table_ptr
+        }
+    }
+
     #[allow(unaligned_references)]
     pub fn get_idf(&self) -> &[u8] {
         unsafe {
@@ -69,6 +77,14 @@ pub struct IsoDir {
 }
 
 impl IsoDir {
+    pub fn from(mapping: &u8) -> &Self {
+        let ptr: *const u8 = mapping;
+        let path_table_ptr: *const Self = ptr as *const Self;
+        unsafe {
+            &*path_table_ptr
+        }
+    }
+
     #[allow(unaligned_references)]
     pub fn get_idf(&self) -> &[u8] {
         unsafe {
@@ -80,7 +96,7 @@ impl IsoDir {
 
 // Primary volume descriptor structure
 
-pub const ISO_PRIM_VOLDESC_BLOCK: u32 = 16;
+const ISO_PRIM_VOLDESC_BLOCK: usize = 16;
 
 const ISO_SYSIDF_LEN: usize = 32;
 const ISO_VOLIDF_LEN: usize = 32;
@@ -95,47 +111,47 @@ const ISO_LDATE_LEN: usize = 17;
 
 #[repr(C, packed)]
 pub struct IsoPrimVolDesc {
-    pub vol_desc_type: u8, // Volume descripto type (1)
+    vol_desc_type: u8, // Volume descripto type (1)
-    pub std_identifier: [u8; 5], // standard identifier ("CD001")
+    std_identifier: [u8; 5], // standard identifier ("CD001")
-    pub vol_desc_version: u8, // Volume descriptor version (1)
+    vol_desc_version: u8, // Volume descriptor version (1)
 
-    pub _unused1: u8,
+    _unused1: u8,
 
-    pub sys_idf: [u8; ISO_SYSIDF_LEN], // System identifier
+    sys_idf: [u8; ISO_SYSIDF_LEN], // System identifier
-    pub vol_idf: [u8; ISO_VOLIDF_LEN], // Volume identifier
+    vol_idf: [u8; ISO_VOLIDF_LEN], // Volume identifier
 
-    pub _unused2: [u8; 8],
+    _unused2: [u8; 8],
 
-    pub vol_blk_count: MultiEndian32, // Number of logical blocks in the volume
+    vol_blk_count: MultiEndian32, // Number of logical blocks in the volume
 
-    pub _unused3: [u8; 32],
+    _unused3: [u8; 32],
 
-    pub vol_set_size: MultiEndian16, // The Volume Set size of the volume
+    vol_set_size: MultiEndian16, // The Volume Set size of the volume
-    pub vol_seq_num: MultiEndian16, // The number of the volume in the set
+    vol_seq_num: MultiEndian16, // The number of the volume in the set
-    pub vol_blk_size: MultiEndian16, // The size in bytes of a logical block
+    vol_blk_size: MultiEndian16, // The size in bytes of a logical block
 
-    pub path_table_size: MultiEndian32, // Length in bytes of the path table
+    path_table_size: MultiEndian32, // Length in bytes of the path table
-    pub le_path_table_blk: u32, // Path table block index little endian
+    le_path_table_blk: u32, // Path table block index little endian
-    pub le_opt_path_table_blk: u32, // Optionnal path table block index little endian
+    le_opt_path_table_blk: u32, // Optionnal path table block index little endian
-    pub be_path_table_blk: u32,
+    be_path_table_blk: u32,
-    pub be_opt_path_table_blk: u32,
+    be_opt_path_table_blk: u32,
 
-    pub root_dir: IsoDir, // Root directory entry
+    root_dir: IsoDir, // Root directory entry
 
-    pub _unused4: [u8; 34 - core::mem::size_of::<IsoDir>()], // Padding
+    _unused4: [u8; 34 - core::mem::size_of::<IsoDir>()], // Padding
 
-    pub volset_idf: [u8; ISO_VOLSET_LEN], // name of the multiple volume set
+    volset_idf: [u8; ISO_VOLSET_LEN], // name of the multiple volume set
-    pub pub_idf: [u8; ISO_PUBIDF_LEN], // Publisher name
+    pub_idf: [u8; ISO_PUBIDF_LEN], // Publisher name
-    pub dprep_idf: [u8; ISO_DPREP_LEN], // Data preparer name
+    dprep_idf: [u8; ISO_DPREP_LEN], // Data preparer name
-    pub app_idf: [u8; ISO_APP_LEN], // Application name
+    app_idf: [u8; ISO_APP_LEN], // Application name
 
-    pub copyright_file: [u8; ISO_CPRFIL_LEN], // Copyright file name in root dir
+    copyright_file: [u8; ISO_CPRFIL_LEN], // Copyright file name in root dir
-    pub abstract_file: [u8; ISO_ABSFIL_LEN], // Abstract file name in root dir
+    abstract_file: [u8; ISO_ABSFIL_LEN], // Abstract file name in root dir
-    pub bibli_file: [u8; ISO_BIBFIL_LEN], // Bibliograpgic file name in root dir
+    bibli_file: [u8; ISO_BIBFIL_LEN], // Bibliograpgic file name in root dir
-    pub date_creat: [u8; ISO_LDATE_LEN], // Creation date
+    date_creat: [u8; ISO_LDATE_LEN], // Creation date
-    pub date_modif: [u8; ISO_LDATE_LEN], // Modification date
+    date_modif: [u8; ISO_LDATE_LEN], // Modification date
-    pub date_expir: [u8; ISO_LDATE_LEN], // Expiration date
+    date_expir: [u8; ISO_LDATE_LEN], // Expiration date
-    pub date_effect: [u8; ISO_LDATE_LEN], // Effective date
+    date_effect: [u8; ISO_LDATE_LEN], // Effective date
 
-    pub file_struct_version: u8, // File structure version (1)
+    file_struct_version: u8, // File structure version (1)
 }

src/fs/iso/mod.rs

@@ -1,18 +1 @@
-pub mod iso9660;
+pub mod iso9660;
-
-use crate::serial_println;
-use crate::drivers::atapi::{DRIVE};
-use crate::utils::unserialize;
-use iso9660::{IsoPrimVolDesc};
-
-pub async fn init_prim_vol_desc() {
-    let desc_block = DRIVE
-        .lock()
-        .as_mut()
-        .unwrap()
-        .read_block(iso9660::ISO_PRIM_VOLDESC_BLOCK)
-        .await;
-    let prim_vol_desc: &IsoPrimVolDesc = unserialize::<IsoPrimVolDesc>(desc_block.as_ptr());
-
-    serial_println!("{:?}", prim_vol_desc.std_identifier);
-}

src/lib.rs

@@ -8,7 +8,6 @@ mod interrupts;
 mod memory;
 mod task;
 mod fs;
-mod utils;
 
 //#[macro_use]
 extern crate alloc;
@@ -57,8 +56,11 @@ pub extern "C" fn julios_main(multiboot_info_addr: usize) -> ! {
     println!("***JuliOS V0.1.0***");
     serial_println!("Hello serial");
 
+    serial_println!("{}", core::mem::size_of::<IsoPrimVolDesc>());
+    serial_println!("{}", core::mem::size_of::<IsoDir>());
+    serial_println!("{}", core::mem::size_of::<MultiEndian32>());
+
     let mut executor = Executor::new();
     executor.spawn(Task::new(keyboard::print_keypresses()));
-    executor.spawn(Task::new(fs::iso::init_prim_vol_desc()));
     executor.run();
 }

src/utils/mod.rs

@@ -1,3 +0,0 @@
-pub mod serialize;
-
-pub use serialize::unserialize;

src/utils/serialize.rs

@@ -1,6 +0,0 @@
-pub fn unserialize<T>(ptr: *const u8) -> &'static T {
-    let path_table_ptr: *const T = ptr as *const T;
-    unsafe {
-        &*path_table_ptr
-    }
-}