6-26
System Design
AMD-K5 Processor Technical Reference Manual
18524C/0—Nov1996
Table 6-2. SMM State-Save Area Map
Offset (hex)
Contents
Size (bits)
Type
FFFC
CR0
32
read-only
FFF8
CR3
32
read-only
FFF4
EFLAGS
32
read/write
FFF0
EIP
32
read/write
FFEC
EDI
32
read/write
FFE8
ESI
32
read/write
FFE4
EBP
32
read/write
FFE0
ESP
32
read/write
FFDC
EBX
32
read/write
FFD8
EDX
32
read/write
FFD4
ECX
32
read/write
FFD0
EAX
32
read/write
FFCC
DR6 (
FFFF_CFF3h
)
32
read-only
FFC8
DR7
32
read-only
FFC4
TR
16
(upper 16 reserved)
read-only
FFC0
LDTR
16
(upper 16 reserved)
read-only
FFBC
GS
16
(upper 16 reserved)
read-only
FFB8
FS
16
(upper 16 reserved)
read-only
FFB4
DS
16
(upper 16 reserved)
read-only
FFB0
SS
16
(upper 16 reserved)
read-only
FFAC
CS
16
(upper 16 reserved)
read-only
FFA8
ES
16
(upper 16 reserved)
read-only
FFA4
I/O Trap Dword
32
(See Section 6.3.6)
read-only
FFA0
reserved
32
—
FF9C
I/O Trap EIP
32
read-only
FF98
reserved
32
—
FF94
reserved
32
—
FF90
IDT Base
32
read-only
FF8C
IDT Limit
16
(upper 16 reserved)
read-only
FF88
GDT Base
32
read-only
FF84
GDT Limit
16
(upper 16 reserved)
read-only
Notes:
1. Locations marked “reserved” may change in future processors.
2. Writing locations marked as “read-only” has unpredictable results.
Summary of Contents for AMD-K5
Page 1: ...AMD K5 Processor Technical Reference Manual TM...
Page 10: ...x AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 24: ...1 4 Overview AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 54: ...2 30 Internal Architecture AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 116: ...4 26 Performance AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 356: ...6 44 System Design AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 380: ...7 24 Test and Debug AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 396: ...A 16 AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 406: ...I 10 Index AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...