refactor: rewrite kernel's make script

[lunaix-os.git] / lunaix-os / arch / x86 / boot.S

diff --git a/lunaix-os/arch/x86/boot.S b/lunaix-os/arch/x86/boot.S
deleted file mode 100644 (file)
index b41d24b..0000000
--- a/lunaix-os/arch/x86/boot.S
+++ /dev/null
@@ -1,62 +0,0 @@
-#include "multiboot.h"
-
-.section .multiboot
-    .long MB_MAGIC
-    .long MB_ALIGNED_4K_MEM_MAP
-    .long CHECKSUM(MB_ALIGNED_4K_MEM_MAP)
-
-.section .bss
-    /* According to System V ABI, the stack must be aligned at 16 bytes boundary */
-    .align 16
-    stack_bottom:
-        .skip 16318, 0
-    stack_top:
-
-.section .text
-    .global start_
-    .type start_, @function     /* Optional, this just give the 
-                                 * linker more knowledge about the label 
-                                 */
-    start_:
-        movl $stack_top, %esp
-        /* 
-            TODO: kernel init
-                1. Load GDT
-                2. Load IDT
-                3. Enable paging
-        */
-        call _kernel_init
-        
-        subl $0x6, %esp
-
-        movl $_gdt, 2(%esp)
-        movw _gdt_limit, %ax
-        movw %ax, (%esp)
-        lgdt (%esp)
-
-        movl $_idt, 2(%esp)
-        movw _idt_limit, %ax
-        movw %ax, (%esp)
-        lidt (%esp)
-
-        addl $0x6, %esp
-
-        movw $0x10, %cx
-        movw %cx, %es
-        movw %cx, %ds
-        movw %cx, %fs
-        movw %cx, %gs
-        movw %cx, %ss
-
-        pushw $0x08
-        pushl $_after_gdt
-        retf
-
-    _after_gdt:
-        pushl %ebx
-        call _kernel_main
-
-        cli
-    j_:
-        hlt
-        jmp j_
\ No newline at end of file