separating: there will be libk and libc

kernel/system.c

@@ -0,0 +1,53 @@
+// System utilities and routines kernel module
+// Author: xamidev
+// Licensed under the Unlicense. See the repo below.
+// https://github.com/xamidev/blankos
+
+#include "system.h"
+#include <stdint.h>
+
+void *memset(void *dest, char val, size_t count)
+{
+	char *temp = (char *)dest;
+	for(; count != 0; count--) *temp++ = val;
+	return dest;
+}
+
+void *memmove(void* dest, const void* src, size_t n)
+{
+	unsigned char* d = (unsigned char*)dest;
+	const unsigned char* s = (const unsigned char*)src;
+
+	if (d < s)
+	{
+		for (size_t i=0; i<n; i++)
+		{
+			d[i] = s[i];
+		}
+	} else {
+		for (size_t i=n; i>0; i--)
+		{
+			d[i-1] = s[i-1];
+		}
+	}
+
+	return dest;
+}
+
+void *memcpy(void* dest, const void* src, uint32_t n)
+{
+	uint8_t* d = (uint8_t*)dest;
+	const uint8_t* s = (const uint8_t*)src;
+
+	for (uint32_t i=0; i<n; i++)
+	{
+		d[i] = s[i];
+	}
+	return dest;
+}
+
+void panic()
+{
+	for (;;);	
+}
+