4 files changed, 46 insertions, 0 deletions

diff --git a/kernel/src/boot.asm b/kernel/src/boot.asm
new file mode 100644
index 0000000..839457e
--- /dev/null
+++ b/kernel/src/boot.asm
@@ -0,0 +1,8 @@
+global start
+
+section .text
+bits 32
+start:
+	; print 'OK'
+	mov dword [0xb8000], 0x2f4b2f4f
+	hlt
diff --git a/kernel/src/grub.cfg b/kernel/src/grub.cfg
new file mode 100644
index 0000000..ba8f8e8
--- /dev/null
+++ b/kernel/src/grub.cfg
@@ -0,0 +1,7 @@
+set timeout=0
+set default=0
+
+menuentry "uff-os" {
+    multiboot2 /boot/kernel.bin
+    boot
+}
diff --git a/kernel/src/linker.ld b/kernel/src/linker.ld
new file mode 100644
index 0000000..cef8809
--- /dev/null
+++ b/kernel/src/linker.ld
@@ -0,0 +1,16 @@
+ENTRY(start)
+
+SECTIONS {
+    . = 1M;
+    
+    .boot :
+    {
+        /* ensure that the multiboot heater is at the beginning */
+        *(.multiboot_header)
+    }
+
+    .text :
+    {
+        *(.text)
+    }
+}
diff --git a/kernel/src/multiboot_header.asm b/kernel/src/multiboot_header.asm
new file mode 100644
index 0000000..9c9d859
--- /dev/null
+++ b/kernel/src/multiboot_header.asm
@@ -0,0 +1,15 @@
+section .multiboot_header
+header_start:
+	dd 0xe85250d6				 ; magic number (multiboot 2)
+	dd 0					     ; architecture 0
+	dd header_end - header_start ; header length
+	; checksum
+	dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
+
+    ; insert optional multiboot tags here
+
+    ; required end tag
+    dw 0    ; type
+    dw 0    ; flags
+    dd 8    ; size
+header_end: