Memory Map: Difference between revisions

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physical address mapping:
{{cleanup}}


== Physical Mapping ==
== Physical Mapping ==
Line 10: Line 10:
|-
|-
| <tt> c000xxxx </tt>
| <tt> c000xxxx </tt>
| 10000
| align="right" | 0x10000
| Initial "Kernel" (bootloader, not real kernel), mapped L2-Cache?
| Initial "Kernel" (bootloader, not real kernel), mapped L2-Cache?
|-
|-
| <tt> c8xxxxxx </tt>
| <tt> c8xxxxxx </tt>
| 1000000
| align="right" | 0x1000000
| memory mapped NAND flash (RO, 1:1, no OoB(ECC))
| memory mapped NAND flash (RO, 1:1, no OoB(ECC))
|-
|-
| <tt> c9xxxxxx </tt>
| <tt> c9xxxxxx </tt>
| 1000000
| align="right" | 0x1000000
| ???
| ???
|-
|-
| <tt> d0xxxxxx </tt>
| <tt> d0xxxxxx </tt>
| 1000000
| align="right" | 0x1000000
| PCI config space. Device number etc. is encoded in address, as usual
| PCI config space. Device number etc. is encoded in address, as usual
|-
|-
| <tt> e0000000 </tt>
| <tt> e0000000 </tt>
| ???
| align="right" | ???
| Host-Bridge
| Host-Bridge
|-
| <tt> e1000000 </tt>
| align="right" | ???
| BIU
|-
|-
| <tt> ea000000 </tt>
| <tt> ea000000 </tt>
| ???
| align="right" | 0x10000
| PCI-to-PCI bridge
| PCI Bridge
|-
|-
| <tt> ec800000 </tt>
| <tt> ec800000 </tt>
| ???
| align="right" | 0x10000
| GPU
| GPU
|-
|-
|}
|}


== Physical PCI/Device Mapping ==
== PCI/Device Mapping ==


ea001000: bus control
{| class="wikitable" border="0" cellspacing="2" cellpadding="2"
|-
! style="border-bottom:2px solid gray;" | Address
! style="border-bottom:2px solid gray;" | Size
! style="border-bottom:2px solid gray;" | Description
|-
| <tt> 0x(200)ea001000 </tt>
| 0x100
| System Management Controller
|-
| <tt> 0x(200)ea001200 </tt>
| 0x30
| SATA Controller CDRom
|-
| <tt> 0x(200)ea001300 </tt>
| 0x30
| SATA Controller HDD
|-
| <tt> 0x(200)ea001400 </tt>
| 0x80
| Fast Ethernet Adapter
|-
| <tt> 0x(200)ea001600 </tt>
| 0x40
| Audio Controller
|-
| <tt> 0x(200)ea001800 </tt>
| 0x400
| XMA Decoder
|-
| <tt> 0x(200)ea002000 </tt>
| 0x1000
| OHCI Controller 0
|-
| <tt> 0x(200)ea003000 </tt>
| 0x1000
| EHCI Controller 0
|-
| <tt> 0x(200)ea004000 </tt>
| 0x1000
| OHCI Controller 1
|-
| <tt> 0x(200)ea005000 </tt>
| 0x1000
| EHCI Controller 1
|-
| <tt> 0x(200)ea00c000 </tt>
| 0x400
| Secure Flash Controller
|}


ea001010: UART


ea00102x: GPIO
== SMC Area ==


ea00103x: GPIO
{| class="wikitable" border="0" cellspacing="2" cellpadding="2"
 
|-
ea00104x: GPIO
! style="border-bottom:2px solid gray;" | Address
 
! style="border-bottom:2px solid gray;" | Size
ea00105x: SMI
! style="border-bottom:2px solid gray;" | Description
 
|-
ea0012xx: SATA #1
| <tt> 0x(200)ea001000 </tt>
 
| 0x10
ea0013xx: SATA #2
| Bus Control
 
|-
ea001400: NIC
| <tt> 0x(200)ea001010 </tt>
 
| 0x10
ea001600: XMA decoder (audio)
| UART
 
|-
ea001800: unknown (probably audio related)
| <tt> 0x(200)ea001020 </tt>
 
| 0x10
ea002000: USB #1 (EHCI)
| GPIO Port ??
 
|-
ea004000: USB #2
| <tt> 0x(200)ea001030 </tt>
 
| 0x10
 
| GPIO Port ??
ea00c000: NAND interface, indirect access
|-
| <tt> 0x(200)ea001040 </tt>
| 0x10
| GPIO Port ??
|-
| <tt> 0x(200)ea001050 </tt>
| 0x10
| SMI ???
|-
|}




== Encryption ==


dumps of physical memory
dumps of physical memory

Latest revision as of 20:24, 9 August 2010

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Physical Mapping

Address Size Description
c000xxxx 0x10000 Initial "Kernel" (bootloader, not real kernel), mapped L2-Cache?
c8xxxxxx 0x1000000 memory mapped NAND flash (RO, 1:1, no OoB(ECC))
c9xxxxxx 0x1000000 ???
d0xxxxxx 0x1000000 PCI config space. Device number etc. is encoded in address, as usual
e0000000 ??? Host-Bridge
e1000000 ??? BIU
ea000000 0x10000 PCI Bridge
ec800000 0x10000 GPU

PCI/Device Mapping

Address Size Description
0x(200)ea001000 0x100 System Management Controller
0x(200)ea001200 0x30 SATA Controller CDRom
0x(200)ea001300 0x30 SATA Controller HDD
0x(200)ea001400 0x80 Fast Ethernet Adapter
0x(200)ea001600 0x40 Audio Controller
0x(200)ea001800 0x400 XMA Decoder
0x(200)ea002000 0x1000 OHCI Controller 0
0x(200)ea003000 0x1000 EHCI Controller 0
0x(200)ea004000 0x1000 OHCI Controller 1
0x(200)ea005000 0x1000 EHCI Controller 1
0x(200)ea00c000 0x400 Secure Flash Controller


SMC Area

Address Size Description
0x(200)ea001000 0x10 Bus Control
0x(200)ea001010 0x10 UART
0x(200)ea001020 0x10 GPIO Port ??
0x(200)ea001030 0x10 GPIO Port ??
0x(200)ea001040 0x10 GPIO Port ??
0x(200)ea001050 0x10 SMI ???


Encryption

dumps of physical memory

changed 1 byte in software, dumped again, 16 bytes changed again.

might be ~1 cache line

(0, 1, 2, ...) 

log:

f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 6e bb c5 d1 62 9e 29 8f e9 3a 6b 7b 4d d0 44 24 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 03 58 f6 c0 f0 13 d5 02 4f 57 a1 d0 50 d3 46 6a 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 1b d6 a6 3b 3c 6e 68 4f da 75 7f a7 8a 02 e4 53 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 38 03 ff f0 61 99 e6 8c b0 3b 2f bb b6 70 06 53 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 0f 55 01 b1 61 9b 35 34 4d ce f4 e8 bb eb cc 4a 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 fc ce 87 2c 30 c0 1c 4f e7 65 da d4 e4 df f6 2b 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 e5 5d f3 38 d9 05 c0 8e 7a a9 b5 a2 fe 11 4c b3 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 84 83 5d 34 55 9b e4 06 26 03 1b f3 0b e9 0f b8 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 ba 4d 72 2b cd 0b e9 0c 2b aa ed 53 ea b0 63 49 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
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