From d42b629d983de336ddd3c22782caa2791ab78897 Mon Sep 17 00:00:00 2001
From: Robin Krahl <robin.krahl@ireas.org>
Date: Sun, 5 Mar 2017 21:43:19 +0100
Subject: initial commit

---
 arch/x86_64/loader.s | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 arch/x86_64/loader.s

(limited to 'arch/x86_64/loader.s')

diff --git a/arch/x86_64/loader.s b/arch/x86_64/loader.s
new file mode 100644
index 0000000..b283a64
--- /dev/null
+++ b/arch/x86_64/loader.s
@@ -0,0 +1,27 @@
+.set MAGIC, 0x1badb002
+.set FLAGS, (1<<0 | 1<<1)
+.set CHECKSUM, -(MAGIC + FLAGS)
+
+.section .multiboot
+	.long MAGIC
+	.long FLAGS
+	.long CHECKSUM
+
+.section .text
+.extern kernel_main
+.global loader
+
+loader:
+	mov $kernel_stack, %esp
+	push %eax
+	push %ebx
+	call kernel_main
+
+_stop:
+	cli
+	hlt
+	jmp _stop
+
+.section .bss
+.space 2*1024*1024  # 2 MiB
+kernel_stack:
-- 
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