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Entry 0
ASID [7:0]
Entry 1
ASID [7:0]
Entry 2
ASID [7:0]
Entry 63
ASID [7:0] VPN [31:10] V
• 1-kbyte page
Virtual address
31
VPN
• 4-kbyte page
Virtual address
31
VPN
• 64-kbyte page
Virtual address
31
VPN
• 1-Mbyte page
Virtual address
31
20 19
VPN
Figure 3.8 Relationship between Page Size and Address Format
• VPN: Virtual page number
For 1-kbyte page: upper 22 bits of virtual address
For 4-kbyte page: upper 20 bits of virtual address
For 64-kbyte page: upper 16 bits of virtual address
For 1-Mbyte page: upper 12 bits of virtual address
VPN [31:10]
V
PPN [28:10]
VPN [31:10]
V
PPN [28:10]
VPN [31:10]
V
PPN [28:10]
PPN [28:10] SZ [1:0] SH C PR [1:0]
Figure 3.7 UTLB Configuration
10 9
Offset
12 11
Offset
16 15
Offset
Offset
SZ [1:0]
SH
SZ [1:0]
SH
SZ [1:0]
SH
0
28
0
28
0
28
0
28
PPN
C
PR [1:0]
D
WT
C
PR [1:0]
D
WT
C
PR [1:0]
D
WT
D WT
Physical address
10 9
PPN
Physical address
12 11
PPN
Physical address
16 15
PPN
Offset
Physical address
20 19
Offset
Rev. 4.0, 04/00, page 39 of 850
SA [2:0]
TC
SA [2:0]
TC
SA [2:0]
TC
SA [2:0] TC
0
Offset
0
Offset
0
0
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