Final polishing to debugging system.

2021-12-30 11:50:15 +01:00
parent 47276eb503
commit c6906d4f2d
288 changed files with 150 additions and 322 deletions
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file boot.h
 /// @brief Bootloader structures
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file gdt.h
 /// @brief Data structures concerning the Global Descriptor Table (GDT).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file idt.h
 /// @brief Data structures concerning the Interrupt Descriptor Table (IDT).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file isr.h
 /// @brief Data structures concerning the Interrupt Service Routines (ISRs).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file tss.h
 /// @brief Data structures concerning the Task State Segment (TSS).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file fpu.h
 /// @brief Floating Point Unit (FPU).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file pci.h
 /// @brief Routines for interfacing with the Peripheral Component Interconnect (PCI).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ata.h
 /// @brief Drivers for the Advanced Technology Attachment (ATA) devices.
 /// @details
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file fdc.h
 /// @brief Definitions about the floppy.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file keyboard.h
 /// @brief Drivers for the Keyboard devices.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file keymap.h
 /// @brief Keymap for keyboard.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file mouse.h
 /// @brief Driver for *PS2* Mouses.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file rtc.h
 /// @brief Real Time Clock (RTC) driver.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file elf.h
 /// @brief Function for managing the Executable and Linkable Format (ELF).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,8 +1,5 @@
 /// @file ext2.h
-/// @author Enrico Fraccaroli (enry.frak@gmail.com)
 /// @brief EXT2 driver.
-/// @version 0.1
-/// @date 2021-12-13
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file initrd.h
 /// @brief Headers of functions for initrd filesystem.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ioctl.h
 /// @brief Declares device controlling operations.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file procfs.h
 /// @brief Proc file system public functions and structures.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vfs.h
 /// @brief Headers for Virtual File System (VFS).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vfs_types.h
 /// @brief Virtual filesystem data types.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file cpuid.h
 /// @brief Structures and functions to handle the CPUID.
 /// @details
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file pic8259.h
 /// @brief Data structures and functions required to manage the PIC8259.
 /// @details
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file timer.h
 /// @brief Programmable Interval Timer (PIT) definitions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file debug.h
 /// @brief Debugging primitives.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file mm_io.h
 /// @brief Memory Mapped IO functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file port_io.h
 /// @brief Byte I/O on ports prototypes.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file proc_modules.h
 /// @brief Contains functions for managing procfs filesystems.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,6 +1,5 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vga.h
-/// @brief FUnctions required to manage the Video Graphics Array (VGA).
+/// @brief Functions required to manage the Video Graphics Array (VGA).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vga_font.h
 /// @brief VGA fonts.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vga_model.h
 /// @brief VGA models.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vga_palette.h
 /// @brief VGA color palettes.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file video.h
 /// @brief Video functions and costants.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   kernel.h
 /// @brief  Kernel generic data structure and functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file compiler.h
 /// @brief Definition of memory barriers.
 /// @details 
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file hashmap.h
 /// @brief Functions for managing a structure that can map keys to values.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file irqflags.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file list.h
 /// @brief An implementation for generic list.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file list_head.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file mutex.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ndtree.h
 /// @brief N-Dimensional tree.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file rbtree.h
 /// @brief Red/Black tree.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file spinlock.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file stack_helper.h
 /// @brief Couple of macros that help accessing the stack.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file stdatomic.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file link_access.h
 /// @brief Set of macros that provide access to linking symbols.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file buddysystem.h
 /// @brief Buddy System.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file gfp.h
 /// @brief List of Get Free Pages (GFP) Flags.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file kheap.h
 /// @brief  Interface for kernel heap functions, also provides a placement
 ///         malloc() for use before the heap is initialised.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file paging.h
 /// @brief Implementation of a memory paging management.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file slab.h
 /// @brief Functions and structures for managing memory slabs.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vmem_map.h
 /// @brief Virtual memory mapping routines.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file zone_allocator.h
 /// @brief Implementation of the Zone Allocator
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   multiboot.h
 /// @brief  Data structures used for multiboot.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   proc_access.h
 /// @brief  Set of functions and flags used to manage processors registers.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file prio.h
 /// @brief Defines processes priority value.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file process.h
 /// @brief Process data structures and functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file scheduler.h
 /// @brief Scheduler structures and functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file wait.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file errno.h
 /// @brief Errors definition.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ipc.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   kernel_levels.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file module.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file reboot.h
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file types.h
 /// @brief Collection of Kernel datatype
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file utsname.h
 /// @brief Functions used to provide information about the machine & OS.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file panic.h
 /// @brief Functions used to manage kernel panic.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file printk.h
 /// @brief Functions for managing the kernel messages.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file signal.h
 /// @brief Signals definition.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   syscall.h
 /// @brief  System Call handler definition.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   version.h
 /// @brief  Version information.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file exception.c
 /// @brief Functions which manage the Interrupt Service Routines (ISRs).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[EXEPT ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "system/panic.h"
 #include "descriptor_tables/isr.h"
 #include "descriptor_tables/idt.h"
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file gdt.c
 /// @brief Functions which manage the Global Descriptor Table (GDT).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[GDT   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "io/debug.h"
 #include "descriptor_tables/gdt.h"
 #include "descriptor_tables/tss.h"
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file idt.c
 /// @brief Functions which manage the Interrupt Descriptor Table (IDT).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[IDT   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "descriptor_tables/idt.h"
 #include "descriptor_tables/gdt.h"
 #include "descriptor_tables/isr.h"
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file interrupt.c
 /// @brief Functions which manage the Interrupt Service Routines (ISRs).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[IRQ   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "descriptor_tables/isr.h"

 #include "process/scheduler.h"
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file tss.c
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[TSS   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "descriptor_tables/tss.h"

 #include "string.h"
@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file fpu.c
 /// @brief Floating Point Unit (FPU).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[FPU   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "devices/fpu.h"
 #include "descriptor_tables/isr.h"
 #include "io/debug.h"
@@ -1,10 +1,16 @@
-///                MentOS, The Mentoring Operating system project
 /// @file pci.c
 /// @brief Routines for PCI initialization.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.
 ///! @cond Doxygen_Suppress

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[PCI   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "devices/pci.h"
 #include "io/debug.h"
 #include "string.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ata.c
 /// @brief Advanced Technology Attachment (ATA) and Advanced Technology Attachment Packet Interface (ATAPI) drivers.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -6,8 +5,6 @@
 /// @addtogroup ata
 /// @{

-#include "drivers/ata.h"
-
 // Include the kernel log levels.
 #include "sys/kernel_levels.h"
 // Change the header.
@@ -15,6 +12,8 @@
 // Set the log level.
 #define __DEBUG_LEVEL__ LOGLEVEL_NOTICE

+#include "drivers/ata.h"
+
 #include "descriptor_tables/isr.h"
 #include "hardware/pic8259.h"
 #include "klib/spinlock.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file fdc.c
 /// @brief Floppy driver controller handling.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -6,6 +5,13 @@
 /// @addtogroup fdc
 /// @{

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[FDC   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "drivers/fdc.h"
 #include "io/video.h"
 #include "io/port_io.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file keyboard.c
 /// @brief Keyboard handling.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -6,6 +5,13 @@
 /// @addtogroup keyboard
 /// @{

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[KEYBRD]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "drivers/keyboard/keyboard.h"

 #include "io/port_io.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file keymap.c
 /// @brief Keymap for keyboard.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file mouse.c
 /// @brief  Driver for *PS2* Mouses.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -6,6 +5,13 @@
 /// @addtogroup mouse
 /// @{

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[MOUSE ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "drivers/mouse.h"
 #include "descriptor_tables/isr.h"
 #include "hardware/pic8259.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   rtc.c
 /// @brief  Real Time Clock (RTC) driver.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -6,6 +5,13 @@
 /// @addtogroup rtc
 /// @{

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[RTC   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "drivers/rtc.h"

 #include "hardware/pic8259.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file elf.c
 /// @brief Function for multiboot support.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,8 +1,5 @@
 /// @file ext2.c
-/// @author Enrico Fraccaroli (enry.frak@gmail.com)
 /// @brief EXT2 driver.
-/// @version 0.1
-/// @date 2021-12-13
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

@@ -13,7 +10,7 @@
 // Change the header.
 #define __DEBUG_HEADER__ "[EXT2  ]"
 // Set the log level.
-#define __DEBUG_LEVEL__ LOGLEVEL_DEBUG
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE

 #include "process/scheduler.h"
 #include "process/process.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file initrd.c
 /// @brief Headers of functions for initrd filesystem.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file ioctl.c
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file namei.c
 /// @brief Implementation of functions fcntl() and open().
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file open.c
 /// @brief
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file procfs.c
 /// @brief Proc file system implementation.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file read_write.c
 /// @brief Read and write functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file readdir.c
 /// @brief Function for accessing directory entries.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file stat.c
 /// @brief Stat functions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file vfs.c
 /// @brief Headers for Virtual File System (VFS).
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -11,7 +10,7 @@
 // Change the header.
 #define __DEBUG_HEADER__ "[VFS   ]"
 // Set the log level.
-#define __DEBUG_LEVEL__ LOGLEVEL_DEBUG
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE

 #include "process/scheduler.h"
 #include "klib/spinlock.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file cpuid.c
 /// @brief CPUID-based function to detect CPU type.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,67 +1,56 @@
-///                MentOS, The Mentoring Operating system project
 /// @file pic8259.c
 /// @brief pic8259 definitions.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[PIC   ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "hardware/pic8259.h"
 #include "io/port_io.h"
 #include "stddef.h"

 /// End-of-interrupt command code.
 #define EOI 0x20
-
 /// IO base address for master PIC.
 #define MASTER_PORT_COMMAND 0x20
-
 /// I/O address for data to master.
 #define MASTER_PORT_DATA (MASTER_PORT_COMMAND + 1)
-
 /// IO base address for slave PIC.
 #define SLAVE_PORT_COMMAND 0xA0
-
 /// I/O address for data to slave.
 #define SLAVE_PORT_DATA (SLAVE_PORT_COMMAND + 1)
-
 /// ICW4 (not) needed.
 #define ICW1_ICW4 0x01
-
 /// Single (cascade) mode.
 #define ICW1_SINGLE 0x02
-
 /// Call address interval 4 (8).
 #define ICW1_INTERVAL4 0x04
-
 /// Level triggered (edge) mode.
 #define ICW1_LEVEL 0x08
-
 /// Initialization - required.
 #define ICW1_INIT 0x10
-
 /// 8086/88 (MCS-80/85) mode
 #define ICW4_8086 0x01
-
 /// Auto (normal) EOI.
 #define ICW4_AUTO 0x02
-
 /// Buffered mode/slave.
 #define ICW4_BUF_SLAVE 0x08
-
 /// Buffered mode/master.
 #define ICW4_BUF_MASTER 0x0C
-
 /// Special fully nested (not).
 #define ICW4_SFNM 0x10
-
 /// OCW3 irq ready next CMD read.
 #define PIC_READ_IRR 0x0A
-
 /// OCW3 irq service next CMD read.
 #define PIC_READ_ISR 0x0B

 /// The current mask of the master.
 static byte_t master_cur_mask;
-
 /// The current mask of the slave.
 static byte_t slave_cur_mask;

@@ -1,9 +1,15 @@
-///                MentOS, The Mentoring Operating system project
 /// @file timer.c
 /// @brief Timer implementation.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
 /// See LICENSE.md for details.

+// Include the kernel log levels.
+#include "sys/kernel_levels.h"
+// Change the header.
+#define __DEBUG_HEADER__ "[TIMER ]"
+// Set the log level.
+#define __DEBUG_LEVEL__ LOGLEVEL_NOTICE
+
 #include "hardware/timer.h"

 #include "klib/irqflags.h"
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file   debug.c
 /// @brief  Debugging primitives.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file mm_io.c
 /// @brief Memory Mapped IO functions implementation.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
@@ -1,4 +1,3 @@
-///                MentOS, The Mentoring Operating system project
 /// @file port_io.c
 /// @brief Byte I/O on ports prototypes.
 /// @copyright (c) 2014-2021 This file is distributed under the MIT License.
--- a/Show More
+++ b/Show More