add the last of the files and some basic stubs for most of the empty files from last commit

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "files.associations": {
+        ".fantomasignore": "ignore",
+        "stddef.h": "c"
+    }
+}

kernel/debug.c

@@ -0,0 +1,5 @@
+#include "debug.h"
+
+void debug_print(const char *str) {
+    // Implementation for printing debug messages
+}

kernel/debug.h

@@ -0,0 +1,6 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+void debug_print(const char *str);
+
+#endif // DEBUG_H

kernel/fs.c

@@ -0,0 +1,5 @@
+#include "fs.h"
+
+void fs_init() {
+    // Filesystem initialization code
+}

kernel/fs.h

@@ -0,0 +1,6 @@
+#ifndef FS_H
+#define FS_H
+
+void fs_init();
+
+#endif // FS_H

kernel/heap.c

@@ -0,0 +1,6 @@
+#include "heap.h"
+
+void *heap_alloc(size_t size) {
+    // Heap allocation code
+    return NULL;
+}

kernel/heap.h

@@ -0,0 +1,8 @@
+#ifndef HEAP_H
+#define HEAP_H
+
+#include <stddef.h>
+
+void *heap_alloc(size_t size);
+
+#endif // HEAP_H

kernel/irq.c

@@ -0,0 +1,5 @@
+#include "irq.h"
+
+void irq_init() {
+    // IRQ initialization code
+}

kernel/irq.h

@@ -0,0 +1,6 @@
+#ifndef IRQ_H
+#define IRQ_H
+
+void irq_init();
+
+#endif // IRQ_H

kernel/isr.asm

@@ -4,6 +4,8 @@
 [GLOBAL isr20, isr21, isr22, isr23, isr24, isr25, isr26, isr27, isr28, isr29]
 [GLOBAL isr30, isr31, isr_default]
 
+[EXTERN isr_handler]
+
 %macro ISR_NOERR 1
 isr%1:
     cli

kernel/keyboard.c

@@ -14,7 +14,7 @@ static const char scancode_map[128] = {
    '9', '0', '-', '=', '\b', '\t', 'q', 'w', 'e', 'r', // 0x0A - 0x13
    't', 'y', 'z', 'u', 'i', 'o', 'p', '[', ']', '\n', // 0x14 - 0x1D
     0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', // 0x1E - 0x27
-   ';', '\'', '`', 0, '\\', 'y', 'x', 'c', 'v', 'b', // 0x28 - 0x31
+   ';', '\'', '`', 0, '\\', 'x', 'c', 'v', 'b', // 0x28 - 0x31
    'n', 'm', ',', '.', '/', 0, '*', 0, ' ', 0,      // 0x32 - 0x3B
     // rest can be filled as needed
 };

kernel/kmain.c

@@ -6,6 +6,7 @@
 #include "idt.h"
 #include "paging.h"
 #include "memmap.h"
+#include "gdt.h"
 
 #define LPT1 0x378
 
@@ -23,6 +24,10 @@ void kmain(void) {
 
     lpt_write('L'); // Send 'L' to LPT1 to test
 
+    terminal_write("Initializing GDT...\n");
+    gdt_init();
+    serial_write("GDT initialized.\n");
+
     terminal_write("Initializing IDT...\n");
     idt_init();
     serial_write("IDT initialized.\n");

kernel/linker.ld

@@ -0,0 +1,31 @@
+ENTRY(_start)
+
+SECTIONS {
+    . = 1M;
+
+    .multiboot : {
+        *(.multiboot)
+    }
+
+    .text : {
+        *(.text)
+    }
+
+    .rodata : {
+        *(.rodata)
+    }
+
+    .data : {
+        *(.data)
+    }
+
+    .bss : {
+        *(.bss)
+        *(COMMON)
+    }
+
+    . = ALIGN(4096);
+    __stack_top = .;
+    . += 128K;
+    __stack_bottom = .;
+}

kernel/paging.c

@@ -1,5 +1,7 @@
 #include "paging.h"
 #include "io.h"
+#include <stdint.h>
+#include <stddef.h>
 
 page_directory_entry_t *page_directory = (page_directory_entry_t *)0x100000;
 page_table_entry_t *page_table = (page_table_entry_t *)0x101000;

kernel/paging.h

@@ -39,6 +39,7 @@ typedef struct {
 
 extern page_directory_entry_t *page_directory;
 extern page_table_entry_t *page_table;
+extern page_table_entry_t *heap_page_table;
 
 void paging_init(void);
 void set_page_directory(page_directory_entry_t *dir);

kernel/panic.c

@@ -0,0 +1,5 @@
+#include "panic.h"
+
+void panic(const char *message) {
+    // Panic handling code
+}

kernel/panic.h

@@ -0,0 +1,6 @@
+#ifndef PANIC_H
+#define PANIC_H
+
+void panic(const char *message);
+
+#endif // PANIC_H

kernel/scheduler.c

@@ -0,0 +1,5 @@
+#include "scheduler.h"
+
+void scheduler_init() {
+    // Scheduler initialization code
+}

kernel/scheduler.h

@@ -0,0 +1,6 @@
+#ifndef SCHEDULER_H
+#define SCHEDULER_H
+
+void scheduler_init();
+
+#endif // SCHEDULER_H

kernel/syscalls.c

@@ -0,0 +1,5 @@
+#include "syscalls.h"
+
+void syscall_handler() {
+    // Syscall handling code
+}

kernel/syscalls.h

@@ -0,0 +1,6 @@
+#ifndef SYSCALLS_H
+#define SYSCALLS_H
+
+void syscall_handler();
+
+#endif // SYSCALLS_H

kernel/terminal.h

@@ -8,5 +8,6 @@ void terminal_putchar(char c);
 void terminal_write(const char *str);
 void terminal_setcolor(uint8_t color);
 void terminal_clear(void);
+void update_cursor(void);
 
 #endif

kernel/threading.c

@@ -0,0 +1,5 @@
+#include "threading.h"
+
+void threading_init() {
+    // Threading initialization code
+}

kernel/threading.h

@@ -0,0 +1,6 @@
+#ifndef THREADING_H
+#define THREADING_H
+
+void threading_init();
+
+#endif // THREADING_H

kernel/utils.c

@@ -0,0 +1,5 @@
+#include "utils.h"
+
+void util_function() {
+    // Utility function code
+}

kernel/utils.h

@@ -0,0 +1,6 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+void util_function();
+
+#endif // UTILS_H