AMD-K6 AMD [Advanced Micro Devices], AMD-K6 Datasheet - Page 65

• Manufacturer Part Number: AMD-K6
• Description: AMD-K6 Processor
• Manufacturer: AMD [Advanced Micro Devices]

20695H/0—March 1998
Figure 41. System Segment Descriptor
Chapter 3
31 30 29 28 27 26 25 24 23 22
Base Address 31–24
Reserved
Base Address 15–0
Table 8.
Type
G X
A
B
C
D
0
1
2
3
4
5
6
7
8
9
E
F
Reserved
Available 16-bit TSS
LDT
Busy 16-bit TSS
16-bit Call Gate
Task Gate
16-bit Interrupt Gate
16-bit Trap Gate
Reserved
Available 32-bit TSS
Reserved
Busy 32-bit TSS
32-bit Call Gate
Reserved
32-bit Interrupt Gate
32-bit Trap Gate
21
20
System Segment and Gate Types
A
V
L
19
Description
Software Environment
Segment
18
Limit
17
16
15
P
14
DPL
13
12
0
11
Segment Limit 15–0
10
Type
9
Symbol
8
G
X
AVL
P
DPL
DT
Type
AMD-K6
7
6
Descriptor Privilege Level
Granularity
Not Needed
Availability to Software
Present/Valid Bit
Descriptor Type
See Table 8
Base Address 23–16
Description
®
5
Processor Data Sheet
4
3
2
1
0
Bits
23
22
20
15
14-13
12
11-8
47