AMD AMD5K86 - SMM Revision Identifier

AMD~
18524BjO-Mar1996
AMDSIJ6 Processor Technical Reference Manual
TABLE 6-2. SMM State-Save Area Map (continued)
Offset (hex) Contents
Size (bits) Type
FF80 TR Attributes
12 (upper 20 reserved) read-only
FF7C TR Base 32
read-only
FF78
TR Limit 20 (upper 12 reserved)
read-only
FF74 LDT Attributes
12 (upper 20 reserved)
read-only
FF70 LDT Base 32
read-only
FF6C LDT Limit 20 (upper 12 reserved)
read-only
FF68
GS Attributes 12 (upper 20 reserved)
read-only
FF64 GS Base 32
read-only
FF60
GS Limit 20 (upper 12 reserved)
read-only
FF5C FS Attributes
12 (upper 20 reserved)
read-only
FF58
FS Base 32
read-only
FF54 FS Limit
20 (upper 12 reserved) read-only
FF50 DS Attributes 12 (upper 20 reserved)
read-only
FF4C DS Base 32
read-only
FF48 DS Limit
20 (upper 12 reserved) read-only
FF44 SS Attributes
12 (upper 20 reserved) read-only
FF40 SS Base
32
read-only
FF3C SS Limit 20 (upper 12 reserved)
read-only
FF38 CS Attributes
12 (upper 20 reserved)
read-only
FF34 CS Base 32
read-only
FF30 CS Limit
20 (upper 12 reserved)
read-only
FF2C ES Attributes 12 (upper 20 reserved)
read-only
FF28 ES Base 32
read-only
FF24
ES Limit 20 (upper 12 reserved)
read-only
FF20 reserved 32
-
FF1C reserved 32
-
FF18 reserved 32
-
FF14
CR2 32
read-only
FF10
CR4 32
read-only
FFOC I/O Restart ESI
32
read-only
FF08 I/O Restart ECX 32
read-only
Notes:
1. Locations marked ureservedu may change in future processors.
2. Writing locations marked as uread-onV has unpredictable results.
System Management Mode (SMM)
6-27