DragonOS-Community/DragonOS
4
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-20 01:46:31 +00:00
Code Issues Releases Wiki Activity

将内核层空间移动到0xffff800000000000

Browse Source
This commit is contained in:
fslongjin
2022-04-09 21:11:07 +08:00
parent 24b351c9ec
commit 05dc7ac73b
14 changed files with 321 additions and 175 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
kernel/main.c
View File

@ -15,6 +15,7 @@
#include "syscall/syscall.h"
#include "smp/smp.h"
#include <smp/ipi.h>
#include <sched/sched.h>
#include "driver/multiboot2/multiboot2.h"
#include "driver/acpi/acpi.h"
@ -147,8 +148,8 @@ void system_initialize()
{
// 初始化printk
printk_init(8, 16);
kinfo("Kernel Starting...");
load_TR(10); // 加载TR寄存器
@ -190,12 +191,24 @@ void system_initialize()
// test_mm();
// 再初始化进程模块。顺序不能调转
// sched_init();
// process_init();
}
//操作系统内核从这里开始执行
void Start_Kernel(void)
{
// 获取multiboot2的信息
uint64_t mb2_info, mb2_magic;
__asm__ __volatile__("movq %%r15, %0 \n\t"
"movq %%r14, %1 \n\t"
: "=r"(mb2_info), "=r"(mb2_magic)::"memory");
mb2_info &= 0xffffffff;
mb2_magic &= 0xffffffff;
multiboot2_magic = mb2_magic;
multiboot2_boot_info_addr = mb2_info+PAGE_OFFSET;
system_initialize();
/*