feat: introduced tasking, added paging (no vm), moved malloc, added

syscalls, other stuff

linker.ld

@@ -9,7 +9,7 @@ SECTIONS
 	/* Begin putting sections at 1 MiB, a conventional place for kernels to be
 	   loaded at by the bootloader. */
 	. = 1M;
-	kernel_start = .;
+	_kernel_start = .;
 
 	/* First put the multiboot header, as it is required to be put very early
 	   early in the image or the bootloader won't recognize the file format.
@@ -38,6 +38,7 @@ SECTIONS
 		*(COMMON)
 		*(.bss)
 	}
+	_kernel_end = .;
 
 	/DISCARD/ : {
 	    *(.eh_frame);