initial commit

1 files changed, 46 insertions, 0 deletions

diff --git a/kernel/linker.ld b/kernel/linker.ld
new file mode 100644
index 0000000..3f1fe9d
--- /dev/null
+++ b/kernel/linker.ld
@@ -0,0 +1,46 @@
+/* the entry point */
+ENTRY(_start)
+
+SECTIONS
+{
+    /* all sections located above 1MB */
+    . = 0x100000;
+
+    /* multiboot header first (needs to reside within the first 8KB),
+     * then the code itself
+     */
+    .text BLOCK(4K) : ALIGN(4K)
+    {
+        *(.multiboot)
+        *(.code)
+    }
+
+    /* to be sure that this kernel is identified as a multiboot one,
+     * the GNU notes information should be placed inside the first 8K.
+     * another option is to exclude this unqiue header with -Wl,--build-id=none
+     */
+    .note.gnu.build-id BLOCK(4K) : ALIGN(4K)
+    {
+        *(.note.gnu.build-id)
+    }
+
+    /* read-only data */
+    .rodata BLOCK(4K) : ALIGN(4K)
+    {
+        *(.rodata*)
+    }
+
+    /* read-write data (initialized) */
+    .data BLOCK(4K) : ALIGN(4K)
+    {
+        *(.data*)
+    }
+
+    /* read-write data (uninitialized) and stack */
+    .bss BLOCK(4K) : ALIGN(4K)
+    {
+        *(COMMON)
+        *(.bss)
+        *(.bootstrap_stack)
+    }
+}