| fis erase | ||
|---|---|---|
 | 235.3. Flash Image System (FIS) |  |
Name
fis erase — Erase flash area
Synopsis
fis erase {-f flash_address} {-l length}
Arguments
| Name | Type | Description | Default |
|---|---|---|---|
flash_address
| Number | Address of area to be erased. | |
length
| Number | Length of area to be erased. |
Description
This command is used to erase a portion of flash memory forcibly. There is no cross-checking to ensure that the area being erased does not correspond to an existing image.
Examples
Erase an area of the flash
RedBoot> fis erase -f 0xa0040000 -l 0x20000
... Erase from 0xa0040000-0xa0060000: .| |  | |
| fis unlock |  | fis read |
| 2025-10-02 | eCosPro Non-Commercial Public License |