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refactor: one more step towards arch-agnostic design
[lunaix-os.git]
/
lunaix-os
/
arch
/
i386
/
boot
/
prologue.S
diff --git
a/lunaix-os/arch/i386/boot/prologue.S
b/lunaix-os/arch/i386/boot/prologue.S
index 7a516488df05fc882aa74ffdb8dd6e0d1fb6dd62..ff77ef591def5bb8ab39693a162d87197abde829 100644
(file)
--- a/
lunaix-os/arch/i386/boot/prologue.S
+++ b/
lunaix-os/arch/i386/boot/prologue.S
@@
-1,7
+1,7
@@
/* 高半核入口点 - 0xC0000000 */
#define __ASM__
/* 高半核入口点 - 0xC0000000 */
#define __ASM__
-#include <sys/
x86_isa
.h>
+#include <sys/
abi
.h>
.section .text
.global hhk_entry_
.section .text
.global hhk_entry_
@@
-9,7
+9,7
@@
/*
欢迎来到虚拟内存的世界! :D
*/
/*
欢迎来到虚拟内存的世界! :D
*/
-
+ andl $stack_alignment, %esp
subl $16, %esp
/*
最终还是决定将IDT&GDT的初始化和安装放在这里
subl $16, %esp
/*
最终还是决定将IDT&GDT的初始化和安装放在这里
@@
-21,6
+21,7
@@
这主要是为了保险起见,让GDTR有一个合法的值,否则多咱的粗心大意,容易出#GP
*/
call _init_gdt
这主要是为了保险起见,让GDTR有一个合法的值,否则多咱的粗心大意,容易出#GP
*/
call _init_gdt
+
movl $_gdt, 2(%esp)
movw _gdt_limit, %ax
movw %ax, (%esp)
movl $_gdt, 2(%esp)
movw _gdt_limit, %ax
movw %ax, (%esp)
@@
-33,19
+34,14
@@
movw %cx, %fs
movw %cx, %gs
movw %cx, %ss
movw %cx, %fs
movw %cx, %gs
movw %cx, %ss
-
+
/* 更新 CS:EIP */
pushw $KCODE_SEG
pushl $_after_gdt
retf
_after_gdt:
/* 更新 CS:EIP */
pushw $KCODE_SEG
pushl $_after_gdt
retf
_after_gdt:
-
- movl $mb_info, _k_init_mb_info
-
- call _kernel_pre_init
-
- subl $6, %esp
+ subl $16, %esp
# 加载 IDT
movl $_idt, 2(%esp)
# 加载 IDT
movl $_idt, 2(%esp)
@@
-53,13
+49,15
@@
movw %ax, (%esp)
lidt (%esp)
movw %ax, (%esp)
lidt (%esp)
+ # perform arch-specific initialization before diving into kernel
+ call arch_preinit
+
/* 加载TSS段选择器 */
movw $TSS_SEG, %ax
ltr %ax
/* 加载TSS段选择器 */
movw $TSS_SEG, %ax
ltr %ax
- addl $6, %esp
-
- call _kernel_init
+ movl $bhctx_buffer, (%esp) # mb_parser.c
+ call kernel_bootstrap
1:
hlt
1:
hlt