Big code refactor, get rid of HAL entirely

kernel/bitmap/bitmap.c

@@ -1,7 +1,7 @@
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
-#include "bitmap.h"
+#include "bitmap/bitmap.h"
 #include "util/util.h"
 #include "kprintf.h"
 

kernel/bitmap/bitmap.h

@@ -4,8 +4,7 @@
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
-
-#include "hal/hal.h"
+#include "vmm/vmm.h"
 
 typedef struct {
   uint8_t *map;
@@ -17,7 +16,7 @@ typedef struct {
 } BitMap;
 
 #define BITMAP_BLOCKS_PER_BYTE 8
-#define BITMAP_BLOCK_SIZE HAL_PAGE_SIZE
+#define BITMAP_BLOCK_SIZE VMM_PAGE_SIZE
 #define BITMAP_INVALID_BLOCK ((size_t)-1)
 
 void *bitmap_toptr(BitMap *bm, size_t block);