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Code Issues Releases Wiki Activity

🆕 printk新增翻页滚动功能（bug:用户态触发中断时翻页会出现#UD）

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This commit is contained in:
fslongjin
2022-02-22 20:45:32 +08:00
parent 12cc6a8375
commit 3961c0e1be
6 changed files with 162 additions and 51 deletions
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14
kernel/main.c
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@ -13,7 +13,7 @@
#include "syscall/syscall.h"
unsigned int *FR_address = (unsigned int *)0xb8000; //帧缓存区的地址
// char fxsave_region[512] __attribute__((aligned(16)));
// char fxsave_region[512] __attribute__((aligned(16)));
struct memory_desc memory_management_struct = {{0}, 0};
// struct Global_Memory_Descriptor memory_management_struct = {{0}, 0};
@ -62,17 +62,17 @@ void test_mm()
// 初始化系统各模块
void system_initialize()
{
// 初始化printk
init_printk(8, 16);
load_TR(10); // 加载TR寄存器
ul tss_item_addr = 0x7c00;
set_TSS64(_stack_start, _stack_start, _stack_start, tss_item_addr, tss_item_addr,
tss_item_addr, tss_item_addr, tss_item_addr, tss_item_addr, tss_item_addr);
// 初始化中断描述符表
init_sys_vector();
@ -85,6 +85,8 @@ void system_initialize()
// 先初始化系统调用模块
syscall_init();
// 再初始化进程模块。顺序不能调转
process_init();
}
@ -94,7 +96,7 @@ void Start_Kernel(void)
{
system_initialize();
// show_welcome();
// test_mm();