feat: added printf

kernel/mem/mem.c

@@ -3,9 +3,8 @@
 //
 
 #include <types.h>
-#include <kprint.h>
 #include <mem/mem.h>
-#include <libc/libc.h>
+#include <libc/kprintf.h>
 
 #define MEMMAP_ENTRIES 16
 
@@ -28,22 +27,12 @@
 extern void *kernel_start;
 //extern void *kernel_end;
 
-char *msg_index = "Idx: ";
-char *msg_addr = "Address: ";
-char *msg_len = "Length:  ";
-char *msg_type = "Type:    ";
-char *msg_nl = "\n";
-char *msg_malloc_num_entries_avail = "Malloc avail entries: ";
-char *msg_malloc_num_entries_used  = "Malloc used  entries: ";
-
 typedef struct {
     void *address;
     u32 length;
     u32 type;
 } __attribute((packed)) mmap_entry;
 
-char *msg_lu = "0123456789ABCDEF";
-
 int malloc_entries = 0;
 int malloc_used = 0;
 
@@ -149,7 +138,7 @@ void *malloc(unsigned int size) {
             }
             malloc_used++;
             current_map->type = MALLOC_TYPE_USED;
-            return ((void*)current_map) + sizeof(malloc_map);
+            return ((void *) current_map) + sizeof(malloc_map);
 
             malloc_find_next:
             current_map = current_map->next;
@@ -168,21 +157,9 @@ void free(void *mem) {
 };
 
 
-void print_int(int val, int base) {
-    char tmp_str[32];
-    memset(tmp_str, 0, 32);
-    itoa(val, tmp_str, base);
-    kprint(tmp_str);
-}
-
 void print_malloc_info() {
-    kprint(msg_malloc_num_entries_avail);
-    print_int(malloc_entries, 10);
-    kprint(msg_nl);
-
-    kprint(msg_malloc_num_entries_used);
-    print_int(malloc_used, 10);
-    kprint(msg_nl);
+    printf("Malloc avail entries: %d\n"
+           "Malloc used entries: %d\n", malloc_entries, malloc_used);
 }
 
 
@@ -191,18 +168,9 @@ void print_mmap_info() {
         if (memmap[i].type == 0) {
             break;
         }
-        kprint(msg_index);
-        print_int(i, 10);
-        kprint(msg_nl);
-        kprint(msg_addr);
-        print_int((int) memmap[i].address, 16);
-        kprint(msg_nl);
-        kprint(msg_len);
-        print_int(memmap[i].length, 16);
-        kprint(msg_nl);
-        kprint(msg_type);
-        print_int(memmap[i].type, 10);
-        kprint(msg_nl);
-        kprint(msg_nl);
+        printf("Idx: %d\n"
+               "Address: %8x\n"
+               "Length:  %8x\n"
+               "Type: %d\n\n", i, memmap[i].address, memmap[i].length, memmap[i].type);
     }
 }