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Basically, you can switch to theboot0partition using the `mmc dev 0 1` command, and then you can access the data (in raw format, because there's no filesystem!) using the usual `mmc read` and `mmc write commands. Similarly, for accessing theboot1partition, first switch to that partition using `mmc dev 0 2`, before doing any raw access.
请看下面e2e工程师的回复。 The last zero in the `mmc dev 0 0` command used as the parameter for the partition refers to the user data partition/area (also known as UDA). If you don't specify this last partition parameter it actually defaults to `0` so usually it is not specified at all in this case.
