22 temporary msrs, 00001310h, Temporary 0 msr (temp0_msr) – AMD Geode LX [email protected] User Manual

Page 130: Xxxxxxxx_xxxxxxxxh, 00001311h, Temporary 1 msr (temp1_msr), 00001312h, Temporary 2 msr (temp2_msr), 00001313h, Temporary 3 msr (temp3_msr)

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130

AMD Geode™ LX Processors Data Book

CPU Core Register Descriptions

33234H

5.5.2.22 Temporary MSRs

Temporary 0 MSR (TEMP0_MSR)

Temporary 1 MSR (TEMP1_MSR)

Temporary 2 MSR (TEMP2_MSR)

Temporary 3 MSR (TEMP3_MSR)

1

DMI_GPF

DMI General Protection Faults. When enabled and not in DMM mode, allow general
protection faults to generate DMIs.

0: Disable.
1: Enable.

0

DMI_INST

DMI Instructions. Enable DMI instructions DMINT and RDM. If not enabled, executing a
DMI instruction generates an invalid operation fault.

0: Disable.
1: Enable.

DMI Control Register Bit Descriptions (Continued)

Bit

Name

Description

MSR Address

00001310h

Type

R/W

Reset Value

xxxxxxxx_xxxxxxxxh

MSR Address

00001311h

Type

R/W

Reset Value

xxxxxxxx_xxxxxxxxh

MSR Address

00001312h

Type

R/W

Reset Value

xxxxxxxx_xxxxxxxxh

MSR Address

00001313h

Type

R/W

Reset Value

xxxxxxxx_xxxxxxxxh

TEMPx_MSR 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

TEMPx

TEMPx_MSR Bit Descriptions

Bit

Name

Description

63:32

RSVD

Reserved. Write as read.

31:0

TEMPx

Temporary x. Used by microcode, usually for holding operands for address calculations.

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