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.text
ENTRY(olpc_sleep_asm)
olpc_sleep:
;; Get the value of PM1_CNT and store it off
add 08h, ax
mov bx,dx
in dx,eax
or 2000h, ax
mov ax,di
;; flush the cache
wbinvd
;; GX2 must disable refresh before going into self-refresh
mov 2000000180xh, ecx
rdmsr
mov eax, esi
and 0FF0000FFh, eax
wrmsr
;; Now, put the memory into self refresh
mov 2004, cx
xor edx, edx
xor eax, eax
mov 04h, al
wrmsr
;; Thats all she wrote - time to go to sleep
mov bx, dx
movzx di, eax
out eax, dx
;;
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