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Memory dump tools

1. ArmDebugger.exe (slow)

   This can be done using ArmDebugger.exe.

   • Open context menu on hex view window

   • File -> Save to file

     

2. CLI memory dumper (Linux, OSX, Windows)

3. Web memory dumper (Google Chrome)

What memory should be dumped?

For all phones

This memory regions available on all mobile phones.

Name	Address	Size		Attributes	Description
BROM	00400000	00008000	32k	Read+Execute	Built-in 1st stage bootloader firmware.
TCM	00000000	00004000	16k	Write+Read+Execute	Built-in memory in the CPU, used for IRQ handlers.
SRAM	00080000	00018000	96k	Write+Read+Execute	Built-in memory in the CPU.

ELKA

EL71, E71, M72 (proto), CL61 (proto)

Name	Address	Size		Attributes	Description
RAM	A8000000	01000000	16M	Write+Read+Execute	External RAM.
VMALLOC	AC000000	01800000	24M	Write+Read	Virtual memory for malloc().

New NSG

C81, M81, S68

Name	Address	Size		Attributes	Description
RAM	A8000000	01000000	16M	Write+Read+Execute	External RAM.
VMALLOC	AC000000	00E00000	14M	Write+Read	Virtual memory for malloc().

Old NSG + SG (16M)

S75, SL75, CX75, M75, SK65

Name	Address	Size		Attributes	Description
RAM	A8000000	01000000	16M	Write+Read+Execute	External RAM.

SG (8M)

CX70, C65, CX65, M65, S65, SL65, ME75, CF75, C75, C72

Name	Address	Size		Attributes	Description
RAM	A8000000	00800000	8M	Write+Read+Execute	External RAM.