2 instruction tlb (itlb) configuration, Figure 7.13 itlb configuration (tlb extended mode) – Renesas SH7781 User Manual
Page 203
7. Memory Management Unit (MMU)
Rev.1.00 Jan. 10, 2008 Page 173 of 1658
REJ09B0261-0100
Virtual address
Physical address
31
1-Kbyte page
10 9
0
VPN
Offset
28
10 9
0
PPN
Offset
31
4-Kbyte page
12 11
0
VPN
Offset
28
12 11
0
PPN
Offset
31
64-Kbyte page
16 15
0
VPN
Offset
28
16 15
0
PPN
Offset
31
8-Kbyte page
13 12
0
VPN
Offset
28
13 12
0
PPN
Offset
31
1-Mbyte page
20 19
0
VPN
Offset
28
20 19
0
PPN
Offset
31
4-Mbyte page
22 21
0
VPN
Offset
28
22 21
0
PPN
Offset
31
64-Mbyte page
26 25
0
VPN
Offset
28 26 25
0
PPN
Offset
31
256-Kbyte page
18 17
0
VPN
Offset
28
18 17
0
PPN
Offset
Figure 7.12 Relationship between Page Size and Address Format (TLB Extended Mode)
7.4.2
Instruction TLB (ITLB) Configuration
Figure 7.13 shows the configuration of the ITLB in TLB extended mode.
PPN[28:10]
PPN[28:10]
PPN[28:10]
PPN[28:10]
ESZ[3:0]
ESZ[3:0]
ESZ[3:0]
ESZ[3:0]
SH
SH
SH
SH
C
C
C
C
EPR[5]
EPR[5]
EPR[5]
EPR[5]
EPR[3]
EPR[3]
EPR[3]
EPR[3]
EPR[2]
EPR[2]
EPR[2]
EPR[2]
EPR[0]
EPR[0]
EPR[0]
EPR[0]
ASID[7:0]
ASID[7:0]
ASID[7:0]
ASID[7:0]
VPN[31:10]
VPN[31:10]
VPN[31:10]
VPN[31:10]
V
V
V
V
Entry 0
Entry 1
Entry 2
Entry 3
Note: Bits EPR[4], EPR[1],
D, and WT are not supported.
Figure 7.13 ITLB Configuration (TLB Extended Mode)