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-rw-r--r--arch/i386/boot/boot.s32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/i386/boot/boot.s b/arch/i386/boot/boot.s
new file mode 100644
index 0000000..56ac227
--- /dev/null
+++ b/arch/i386/boot/boot.s
@@ -0,0 +1,32 @@
+.set ALIGN, 1<<0
+.set MEMINFO, 1<<1
+.set FLAGS, ALIGN | MEMINFO
+.set MAGIC, 0x1BADB002
+.set CHECKSUM, -(MAGIC + FLAGS)
+
+.section .multiboot
+.align 4
+.long MAGIC
+.long FLAGS
+.long CHECKSUM
+
+.section .bss
+.align 16
+stack_bottom:
+.skip 16384
+stack_top:
+
+.section .text
+.global _start
+.type _start, @function
+
+_start:
+ movl $stack_top, %esp
+
+ call _init
+ call kernel_main
+
+ cli
+1: hlt
+ jmp 1b
+.size _start, . - _start