; make sure current run-mode is kernel and previous is user
	MOV	#0177776,R0
	MOV	#030000,(R0)
	NOP

; initialize kernel- and user stackpointers
; kernel
	MOV	#1000,R6
;; user
;	MOV	#0177717,R0
;	MOV	#1000,(R0)

; user: 020000-040000 will be mapped to physical address 060000
	MOV	#0177642,R0
; 060000 / 0100 (0100 => 64 decimal)
	MOV	#0600,(R0)
	NOP

; user: make sure write- and read-access is possible
	MOV	#0177602,R0
	MOV	#077406,(R0)

; kernel: flat mapping
; 0-010000 -> 0
	MOV	#0172340,R0
	MOV	#0000,(R0)
; 060000-0100000 -> 060000
	MOV	#0172346,R0
	MOV	#0600,(R0)
	NOP

; kernel: make sure write- and read-access is possible
; 0-010000
	MOV	#0172300,R0
	MOV	#077406,(R0)
; 060000-0100000
	MOV	#0172306,R0
	MOV	#077406,(R0)

; MRR0
	MOV	#0177572,R0
; enable MMU traps
	BIS	#512,(R0)
; enable MMU
	BIS	#1,(R0)

; write word on stack that will be checked for to be at the
; remapped address
	MOV	#01234,-(SP)
; this address in kernel space should be 060000 in userspace
	MOV	#020000,R0
	MTPI	(R0)
	NOP

; check for 01234 at 060000 in kernel space
	MOV	#060000,R0
	CMP	#01234,(R0)
	NOP

	HALT

	make_raw