3 statistic action (statistic_action[0:3 – AMD Geode LX [email protected] User Manual

Page 73

Advertising
background image

AMD Geode™ LX Processors Data Book

73

GLIU Register Descriptions

33234H

4.2.3.3

Statistic Action (STATISTIC_ACTION[0:3]

Descriptor Statistic Action (STATISTIC_ACTION[0])

Descriptor Statistic Action (STATISTIC_ACTION[1])

Descriptor Statistic Action (STATISTIC_ACTION[2])

Descriptor Statistic Action (STATISTIC_ACTION[3])

MSR Address

GLIU0: 100000A2h
GLIU1: 400000A2h

Type

R/W

Reset Value

00000000_00000000h

MSR Address

GLIU0: 100000A6h
GLIU1: 400000A6h

Type

R/W

Reset Value

00000000_00000000h

MSR Address

GLIU0: 100000AAh
GLIU1: 400000AAh

Type

R/W

Reset Value

00000000_00000000h

MSR Address

GLIU0: 100000AEh
GLIU1: 400000AEh

Type

R/W

Reset Value

00000000_00000000h

STATISTIC_ACTION[0:3] Register Map

63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RSVD

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

9

8

7

6

5

4

3

2

1

0

RSVD

PREDIV

WRAP

ZER

O

_AERR

ZXER

O_ASMI

AL

W

A

YS_DEC

HIT_AERR

H

IT_ASMI

HIT_D

E

C

HIT_LD

EN

STATISTIC_ACTION[0:3] Bit Descriptions

Bit

Name

Description

63:24

RSVD

Reserved.

23:8

PREDIV

Pre Divider. Used if ALWAYS_DEC (bit 4) is set. The predivider is free running and
extends the depth of the counter.

7

WRAP

Decrement Counter Beyond Zero and Wrap.

0: Disable wrap; counter stops when it reaches zero.
1: Enable wrap; counter decrements through 0 to all ones.

6

ZERO_AERR

Assert AERR on cnt = 0. Assert AERR when STATISTIC_CNT[x] reaches 0.

0: Disable.
1: Enable.

5

ZERO_ASMI

Assert ASMI on cnt = 0. Assert ASMI when STATISTIC_CNT[x] reaches 0.

0: Disable.
1: Enable.

4

ALWAYS_DEC

Always Decrement Counter. If enabled, the counter decrements on every memory
clock subject to the prescaler value PREDIV (bits [23:8]). Decrementing continues unless
loading is occurring due to another action, or if the counter reaches zero and WRAP is
disabled (bit 7).

0: Disable.
1: Enable

3

HIT_AERR

Assert AERR on Descirptor Hit. The descriptor hits are ANDed with the masks and
then all ORed together.

0: Disable.
1: Enable

Advertising
This manual is related to the following products: