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fslongjin
2022-06-02 14:20:53 +08:00
parent b97aaee746
commit d64ddfa0b6
12 changed files with 243 additions and 299 deletions
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26
kernel/common/glib.h
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@ -202,6 +202,16 @@ void *memset(void *dst, unsigned char C, ul size)
return dst;
}
void *memset_c(void* dst, uint8_t c, size_t count)
{
uint8_t* xs = (uint8_t*)dst;
while (count--)
*xs++ = c;
return dst;
}
/**
* @brief 内存拷贝函数
*
@ -210,7 +220,7 @@ void *memset(void *dst, unsigned char C, ul size)
* @param Num 字节数
* @return void*
*/
static inline void *memcpy(void *dst, void *src, long Num)
static void *memcpy(void *dst, void *src, long Num)
{
int d0, d1, d2;
__asm__ __volatile__("cld \n\t"
@ -262,13 +272,13 @@ int strcmp(char *FirstPart, char *SecondPart)
return __res;
}
void *memset_c(void *dst, unsigned char c, ul n)
{
unsigned char *s = (unsigned char *)dst;
for (int i = 0; i < n; ++i)
s[i] = c;
return dst;
}
// void *memset_c(void *dst, unsigned char c, ul n)
// {
// unsigned char *s = (unsigned char *)dst;
// for (int i = 0; i < n; ++i)
// s[i] = c;
// return dst;
// }
// 从io口读入8个bit
unsigned char io_in8(unsigned short port)