added mem

sys/include/memory.h

@@ -0,0 +1,26 @@
+#ifndef MEMORY_H
+#define MEMORY_H
+
+#include <types.h>
+
+
+/*
+ * Each allocated memory is stored internally like this:
+ * nnnnssss(u)+
+ * n represents the address to the next string
+ * s represents the size of the allocated memory
+ * c
+ * u represents the actual string
+ *
+ * A struct cannot be plainly used because we would have to store a reference
+ * so this complicated structure is utilized instead.
+ */
+
+#define START		0xb80f1
+#define USABLE(m)	m + sizeof(s32) + sizeof(void *)
+#define NEXT(m)		(void *) *m
+#define SIZE(m)		(s32) m[sizeof(void *)]
+
+void *start = 0x0 ;
+
+#endif

sys/include/types.h

@@ -1,6 +1,8 @@
 #ifndef TYPES_H
 #define TYPES_H
 
+#define NULL				0x0
+
 typedef	unsigned int		u32;
 typedef unsigned short		u16;
 typedef unsigned char		u8;

sys/memory.c

@@ -1,6 +1,22 @@
 #include <memory.h>
 
-struct linkedlist {
-    u32 node;
-    linkedlist *next;
-};
+void *
+malloc(s32 size) 
+{
+	s32 actual_size = size + sizeof(s32) + sizeof(void *);
+	
+	if (start == NULL) {
+		start = (void *) START;
+
+		start[0] = '\0';
+		start[1] = '\0';
+		start[2] = '\0';
+		start[3] = '\0';
+
+		SIZE(m) = size;
+		
+		return USABLE(m);
+	} 
+
+	/* TODO */
+}