參數(shù)資料
型號: 23913A
英文描述: Embedded AMD-K6 Processors BIOS Design Guide Application Note? 1.33MB (PDF)
中文描述: 嵌入式的AMD - K6處理器的BIOS設(shè)計(jì)指南應(yīng)用筆記? 1.33MB(PDF格式)
文件頁數(shù): 53/98頁
文件大?。?/td> 1365K
代理商: 23913A
Model 9 Registers
41
23913A/0—November 2000
Embedded AMD-K6 Processors BIOS Design Guide
Preliminary Information
Figure 12. L2 Cache Sector and Line Organization
Bit 20 of EDX (T/D) determines whether the access is to the L2
cache data or tag. Table 21 on page 42 describes the operation
that is performed based on the instruction and the T/D bit.
Figure 13. L2 Tag or Data Location (AMD-K6
-III
Processor)—EDX
Upper Dword
Lower Dword
Octet 0
Line 1
Octet 1
Octet 2
Octet 3
Upper Dword
Lower Dword
Line 0
Sector
Reserved
Description
Selects the desired cache set
Selects Line1 (1) or Line0 (0)
Selects one of four octets
Selects upper (1) or lower (0) dword
0
Set
21
31
20 19
17 16
5
15
18
Way
4
3 2
1
6
Symbol
Set
Line
Octet
Dword
Bit
15-6
5
4-3
2
L
i
n
e
Octet
D
w
o
r
d
T
/
D
Symbol
T/D
Way
Description
Selects Tag (1) or Data (0) access
Selects desired cache way
Bit
20
17-16
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