Realtek在ttl模式下怎么提取固件？

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路由器是磊科NW1300AC,连上了ttl获知以下信息




----------------- COMMAND MODE HELP ------------------
HELP (?)                                    : Print this help message
DB <Address> <Len>
DW <Address> <Len>
EB <Address> <Value1> <Value2>...
EW <Address> <Value1> <Value2>...
CMP: CMP <dst><src><length>
IPCONFIG:<TargetAddress>
MEMCPY:<dst><src><length>
AUTOBURN: 0/1
LOADADDR: <Load Address>
J: Jump to <TargetAddress>
NANDID: Read NAND Flash ID
NANDBE:<offset><len>
NANDSCRUB:<offset><len>
NANDPIOR:<flash_Paddress><image_addr><image_size>
NANDPIOW:<flash_Paddress><image_addr><image_size>
NANDR:<flash_Paddress><image_addr><image_size>
NANDW:<flash_Paddress><image_addr><image_size>
NANDECCGEN: <source_addr><des_addr><ecc working buffer><length in hex>
NANDBBD:<offset><len>
NANDMARKB:<offset>
MDIOR:  MDIOR phyid reg
MDIOW:  MDIOW phyid reg data
PHYR: PHYR <PHYID><reg>
PHYW: PHYW <PHYID><reg><data>
PHYPR: PHYPR <PHYID><page><reg>
PHYPW: PHYPW <PHYID><page><reg><data>
COUNTER: Dump Asic Counter
XMOD <addr>  [jump]
TI : timer init
T : test
ETH : startup Ethernet
CPUClk:
CP0
D8 <Address>
E8 <Address> <Value>
<RealTek>

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11 rtkxxpart partitions found on MTD device rtk_nand
Creating 11 MTD partitions on "rtk_nand":
0x000000000000-0x000007000000 : "ALL"
0x000000000000-0x000000500000 : "Bootloader"
0x000000500000-0x000000800000 : "Config"
0x000000800000-0x000000900000 : "Reserve"
0x000000900000-0x000000b89444 : "Kernel"
mtd: partition "Kernel" doesn't end on an erase block -- force read-only
0x000000b89444-0x000005d00000 : "RootFS"
mtd: partition "RootFS" doesn't start on an erase block boundary -- force read-only
0x000000900000-0x000005d00000 : "Kernel_RootFS"
0x000005d00000-0x000005e00000 : "Kernel_mini"
0x000006e00000-0x000006f00000 : "Parameter2"
0x000006f00000-0x000007000000 : "Parameter1"
0x000005e00000-0x000006e00000 : "Plugin"

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哪位大佬知道，告诉一下！
这个和e8820s的主控不一样，要不可以参照。