Intel 81342 Developer's Manual page 504

F i g u r e 6 7 . Z e r o R e s u l t B u f f e r C h e c k w i t h P + Q R A I D 6
G F M u l t i p l y
D M L T 1 = 0 1
G F M u l t i p l y
D M L T 2 = 0 2
b i t w i s e - X O R
( 6 4 - b i t w i d e )
G F M u l t i p l y
D M L T 3 = 0 4
b i t w i s e - X O R
( 6 4 - b i t w i d e )
b i t w i s e - X O R
( 6 4 - b i t w i d e )
b y t e 8
. . . . . .
B y t e 1 . . 8 C h e c k e d f o r 0 0 H w i t h r e s u l t
i n d i c a t e d w h e n n o t 0 0 H
Q R e s u l t B u f f e r C h e c k
®
I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 I / O P r o c e s s o r s
D e v e l o p e r ' s M a n u a l
5 0 4
M S B
B l o c k 1
1 0 2 4 b y t e s
B l o c k 2
1 0 2 4 b y t e s
B l o c k 3
1 0 2 4 b y t e s
P ( B l o c k 4 )
1 0 2 4 b y t e s
Q ( B l o c k 5 )
1 0 2 4 b y t e s
b y t e 1
. . .
C o n t r o l R e g i s t e r V a l u e s
S A R 0 = 0 1 0 0 0 0 0 0 A 0 0 0 0 4 0 0 H
S A R 1 = 0 2 0 0 0 0 0 0 A 0 0 0 0 8 0 0 H
S A R 2 = 0 4 0 0 0 0 0 0 A 0 0 0 0 C 0 0 H
S A R 3 = 0 0 0 0 0 0 0 0 A 0 0 0 1 0 0 0 H
S A R 4 = 0 0 0 0 0 0 0 0 A 0 0 0 1 4 0 0 H
A B C R = 0 0 0 0 0 4 0 0 H
A D C R = 0 0 0 4 0 0 A 7 H
®
I n t e l 8 1 3 4 1 a n d 8 1 3 4 2 — A p p l i c a t i o n D M A U n i t
L o c a l M e m o r y
b y t e s 1 - 8
b y t e s 1 - 8
b y t e s 1 - 8
b y t e s 1 - 8
b y t e s 1 - 8
b y t e 8
B y t e 1 . . 8 C h e c k e d f o r 0 0 H w i t h r e s u l t
i n d i c a t e d w h e n n o t 0 0 H
P R e s u l t B u f f e r
L S B
0 A 0 0 0 0 4 0 0 H
0 A 0 0 0 0 8 0 0 H
0 A 0 0 0 0 C 0 0 H
0 A 0 0 0 1 0 0 0 H
0 A 0 0 0 1 4 0 0 H
b y t e 1
. . . . . . . . .
B 6 2 3 3 - 0 1
D e c e m b e r 2 0 0 7
O r d e r N u m b e r : 3 1 5 0 3 7 - 0 0 2 U S