adds some comments, fixes a few tiny bugs

kernel/arch/boot.s

@@ -1,3 +1,7 @@
+; Here is our entry point to the kernel
+; A very simple assembly file
+; We set up some parameters and then pass the execution to our kmain
+
 global loader 				; entry symbol for ELF
 extern kmain
 
@@ -6,12 +10,17 @@ FLAGS		equ 0x3
 CHECKSUM	equ -(MAGIC_NUMBER + FLAGS)	; calculate the checksum
 KERNEL_STACK_SIZE equ 4096
 
+; The multiboot section is a semi requirement for grub
+; All this is doing is placing the required magic number, flags, and the checksum into the file first
+; This lets grub know if this is a valid multiboot kernel or not
 section .multiboot
 align 4 				; code must be 4 byte aligned
 	dd MAGIC_NUMBER
 	dd FLAGS
 	dd CHECKSUM
 
+; Here we're setting up the stack
+; Giving us 4096 bytes (resb)
 section .bss
 align 4
 kernel_stack:
@@ -19,10 +28,12 @@ kernel_stack:
 
 section .text
 loader:
-	mov esp, kernel_stack + KERNEL_STACK_SIZE
+	mov esp, kernel_stack + KERNEL_STACK_SIZE ; move the top of the stack into esp
 
-	call kmain
+	call kmain ; pass execution over to our kmain function, where all of the real stuff is done
 
-	;cli
+	; Should the system exit, we clear the interrupt flag
+	; and do an infinite loop of nothing
+	cli 
 loop:	hlt
 	jmp loop