HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 257
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Both reading and writing use the longword of the data array specified by the entry address and
way number. The access size of the data array is fixed at longword.
(1) TLB Address Array Access
(2) TLB Data Array Access
• Read Access
• Write Access
• Read/Write Access
Figure 4.14 Specifying Address and Data for Memory-Mapped TLB Access
Address field
Data field
Address field
Data field
Address field
Data field
VPN: Virtual page number
V:
W:
ASID: Address space identifier
*:
PPN: Physical page number
PR:
C:
SH:
VPN: Virtual page number
X:
W:
V:
SZ:
D:
*:
31
31
31
31
31
31
0 0 0
1 1 1 1 0 0 1 0
1 1 1 1 0 0 1 0
1 1 1 1 0 0 1 1
29 28
Valid bit
Way (00: Way 0, 01: Way 1, 10: Way 2, 11: Way 3)
Don’t care bit
Protection key field
Cacheable bit
Share status bit
0 for read, don’t care bit for write
Way (00: Way 0, 01: Way 1, 10: Way 2, 11: Way 3)
Valid bit
Page-size bit
Dirty bit
Don’t care bit
24 23
VPN
24 23
VPN
24 23
* . . . . . . . . . . . . *
* . . . . . . . . . . . . *
* . . . . . . . . . . . . *
PPN
17 16
17 16
17 16
17 16
17 16
0 . . . . . . . 0 VPN 0 V
* . . . . . . . *
Section 4 Memory Management Unit (MMU)
VPN
VPN
VPN
Rev. 3.00 Jan. 18, 2008 Page 195 of 1458
12 1110 9 8 7
12 1110 9 8 7
12 11
12
12 1110 9 8 7
11
VPN
*
*
* *
10 9 8 7
10 9 8 7
10
*
*
X V X PR SZ C D SH X
9
*
W
W
W
V
8 7
0
0 * . . . . . . . . . *
* . . . . . . . . . . . *
6
* . . . . . . . . . *
6
6 5 4 3 2 1
REJ09B0033-0300
ASID
ASID
2
2
2
1
1
1
00
00
00
0
0
0
0
0
0
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