Readme and license

Kernel/Source/Arch/DTB.c

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 #include <Arch/DTB.h>
 #include <OS/Panic.h>
 #include <Lib/Bytes.h>

Kernel/Source/Arch/Exceptions.c

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 #include <Arch/Exceptions.h>
 #include <Arch/GIC.h>
 #include <OS/Panic.h>

Kernel/Source/Arch/GIC.c

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 #include <Arch/GIC.h>
 #include <Arch/Exceptions.h>
 #include <Arch/Timer.h>

Kernel/Source/Arch/Timer.c

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 #include <Arch/Timer.h>
 #include <Arch/GIC.h>
 #include <OS/Scheduler.h>

Kernel/Source/Arch/entry.S

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 .section .text.boot, "ax"
 .global _start
 

Kernel/Source/Arch/vectors.S

@@ -1,3 +1,6 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2026 0xKSor
+
 .macro ventry type
     .align 7
     sub sp, sp, #288 // save 288 bytes of stack