mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-18 08:06:32 +00:00
🆕 printk新增翻页滚动功能(bug:用户态触发中断时翻页会出现#UD)
This commit is contained in:
@ -44,6 +44,9 @@ typedef unsigned long long int ull;
|
||||
typedef long long int ll;
|
||||
|
||||
#define ABS(x) ((x) > 0 ? (x) : -(x)) // 绝对值
|
||||
// 最大最小值
|
||||
#define max(x, y) ((x > y) ? (x) : (y))
|
||||
#define min(x, y) ((x < y) ? (x) : (y))
|
||||
|
||||
// 四舍五入成整数
|
||||
ul round(double x)
|
||||
@ -53,14 +56,14 @@ ul round(double x)
|
||||
|
||||
/**
|
||||
* @brief 地址按照align进行对齐
|
||||
*
|
||||
* @param addr
|
||||
* @param _align
|
||||
*
|
||||
* @param addr
|
||||
* @param _align
|
||||
* @return ul 对齐后的地址
|
||||
*/
|
||||
ul ALIGN(const ul addr, const ul _align)
|
||||
{
|
||||
return (ul)((addr+_align-1)&(~(_align-1)));
|
||||
return (ul)((addr + _align - 1) & (~(_align - 1)));
|
||||
}
|
||||
|
||||
//链表数据结构
|
||||
@ -166,7 +169,7 @@ static inline int strlen(char *s)
|
||||
return __res;
|
||||
}
|
||||
|
||||
void *memset(void *dst, unsigned char C, ul Count)
|
||||
void *memset(void *dst, unsigned char C, ul size)
|
||||
{
|
||||
|
||||
int d0, d1;
|
||||
@ -185,7 +188,7 @@ void *memset(void *dst, unsigned char C, ul Count)
|
||||
"stosb \n\t"
|
||||
"3: \n\t"
|
||||
: "=&c"(d0), "=&D"(d1)
|
||||
: "a"(tmp), "q"(Count), "0"(Count / 8), "1"(dst)
|
||||
: "a"(tmp), "q"(size), "0"(size / 8), "1"(dst)
|
||||
: "memory");
|
||||
return dst;
|
||||
}
|
||||
|
Reference in New Issue
Block a user