disk: implement ata_read

include/disk.h

@@ -11,5 +11,6 @@ typedef struct {
 
 void get_disk_info(disk_info *info);
 int ide_check_disk_present();
+uint8_t ata_read(uint8_t *buffer, uint32_t lba);
 
 #endif

include/utils.h

@@ -5,5 +5,8 @@
 uint8 inportb(uint16 _port);
 void outportb(uint16 _port, uint8 _data);
 
+#define inb inportb
+#define outb outportb
+
 #endif