Section 7 Memory Management Unit (MMU)
Rev.1.00 Dec. 13, 2005 Page 188 of 1286
REJ09B0158-0100
Address field
Data field
PPN:
V:
E:
SZ:
D:
*
:
Physical page number
Validity bit
Entry
Page size bits
Dirty bit
Don't care
PR:
C:
SH:
WT:
:
Protection key data
Cacheability bit
Share status bit
Write-through bit
Reserved bits (write value should be 0
and read value is undefined )
31
2 1 0
V
10 9 8 7
29 28
4 3
6 5
PR
C
PPN
D
SZ1
SH
WT
31
0
1
2
1 1 1 1 0 1 1 1 0 0 0 0
E
19
20
8 7
14 13
0 0
* * * * * *
*
*
* * * *
Figure 7.15 Memory-Mapped UTLB Data Array
7.7
32-Bit Address Extended Mode
Setting the SE bit in PASCR to 1 changes mode from 29-bit address mode which handles the 29-
bit physical address space to 32-bit address extended mode which handles the 32-bit physical
address space.
P1(0.5GB)
P1/P2
(1GB)
0.5GB
4GB
U0/P0
(2GB)
U0/P0
(2GB)
P2(0.5GB)
P3(0.5GB)
P3(0.5GB)
P4(0.5GB)
P4(0.5GB)
Virtual address space
29-bits
address space
Virtual address space
32-bit
address space
29-bit Physical address space
(Normal mode)
32-bit Physical address space
(Extended mode)
Figure 7.16 Physical Address Space (32-Bit Address Extended Mode)
Содержание SH7780 Series
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Страница 122: ...Section 3 Instruction Set Rev 1 00 Dec 13 2005 Page 72 of 1286 REJ09B0158 0100 ...
Страница 146: ...Section 4 Pipelining Rev 1 00 Dec 13 2005 Page 96 of 1286 REJ09B0158 0100 ...
Страница 196: ...Section 6 Floating Point Unit FPU Rev 1 00 Dec 13 2005 Page 146 of 1286 REJ09B0158 0100 ...
Страница 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Страница 450: ...Section 11 Local Bus State Controller LBSC Rev 1 00 Dec 13 2005 Page 400 of 1286 REJ09B0158 0100 ...
Страница 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Страница 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Страница 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Страница 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Страница 1004: ...Section 24 Multimedia Card Interface MMCIF Rev 1 00 Dec 13 2005 Page 954 of 1286 REJ09B0158 0100 ...
Страница 1032: ...Section 25 Audio Codec Interface HAC Rev 1 00 Dec 13 2005 Page 982 of 1286 REJ09B0158 0100 ...
Страница 1070: ...Section 26 Serial Sound Interface SSI Module Rev 1 00 Dec 13 2005 Page 1020 of 1286 REJ09B0158 0100 ...
Страница 1104: ...Section 27 NAND Flash Memory Controller FLCTL Rev 1 00 Dec 13 2005 Page 1054 of 1286 REJ09B0158 0100 ...
Страница 1150: ...Section 28 General Purpose I O GPIO Rev 1 00 Dec 13 2005 Page 1100 of 1286 REJ09B0158 0100 ...
Страница 1184: ...Section 29 User Break Controller UBC Rev 1 00 Dec 13 2005 Page 1134 of 1286 REJ09B0158 0100 ...
Страница 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
Страница 1328: ...Appendix Rev 1 00 Dec 13 2005 Page 1278 of 1286 REJ09B0158 0100 ...
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