From 908297007de73ba032920b596397aa6b829041ef Mon Sep 17 00:00:00 2001
From: Nathan Cannon <neviynhd@gmail.com>
Date: Sun, 6 May 2018 20:25:29 +0100
Subject: [PATCH] Improved boot.s

---
 kernel/arch/i386/boot.s | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/kernel/arch/i386/boot.s b/kernel/arch/i386/boot.s
index 8da6d9e..8d6a396 100644
--- a/kernel/arch/i386/boot.s
+++ b/kernel/arch/i386/boot.s
@@ -1,9 +1,8 @@
-# http://wiki.osdev.org/Bare_Bones_with_NASM
-.set MBALIGN, 1<<0               # align loaded modules on page boundaries
-.set MEMINFO, 1<<1               # provide memory map
-.set FLAGS,   MBALIGN | MEMINFO  # this is the Multiboot 'flag' field
-.set MAGIC,   0x1BADB002         # 'magic number' lets bootloader find the header
-.set CHECKSUM,-(MAGIC + FLAGS)   # checksum of above, to prove we are multiboot
+.set MBALIGN,  1<<0               # align loaded modules on page boundaries
+.set MEMINFO,  1<<1               # provide memory map
+.set FLAGS,    MBALIGN | MEMINFO  # this is the Multiboot 'flag' field
+.set MAGIC,    0x1BADB002         # 'magic number' lets bootloader find the header
+.set CHECKSUM, -(MAGIC + FLAGS)   # checksum of above, to prove we are multiboot
 
 .section .multiboot
 .align 4
@@ -12,6 +11,7 @@
 .long CHECKSUM
 
 .section .bss
+.align 16
 stack_bottom:
 .skip 16384 # 16 KiB
 stack_top:
@@ -26,3 +26,5 @@ _start:
 .hang:	hlt
 	jmp .hang
 .end:
+
+.size _start, . - _start