NSLU2-Linux
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Info.SercommFlashTrailer History

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September 26, 2004, at 05:17 PM by tman --
Changed line 9 from:
Product IDUsed by Sercomm RedBoot upgrade system|0x7FFFF0200 01
to:
Product IDUsed by Sercomm RedBoot upgrade system0x7FFFF0200 01
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September 26, 2004, at 04:54 PM by tman --
Changed line 5 from:

If the default boot script to changed to "move; exec 0x01d00000" then the trailer does not need to be present.

to:

If the default boot script is changed to "move; exec 0x01d00000" then the trailer does not need to be present.

Restore
September 26, 2004, at 04:53 PM by tman --
Changed line 12 from:
UnknownUnused?0x7FFFF6290 F7
to:
UnknownUnused by RedBoot0x7FFFF6290 F7
Changed line 14 from:
UnknownUnused?0x7FFFFE200 B9
to:
UnknownUnused by RedBoot0x7FFFFE200 B9
Restore
September 26, 2004, at 04:50 PM by tman --
Changed lines 1-14 from:

Describe SercommFlashTrailer here.

to:

Contents of the 16 byte Sercomm trailer at the end of the flash. It is used by Redboot to detect a Sercomm flash layout and to configure the Sercomm upgrade system.

The magic number is necessary to use the boot command which is called by the default boot script. If you are not using the upgrade system then the other trailer fields do not need to be filled out.

If the default boot script to changed to "move; exec 0x01d00000" then the trailer does not need to be present.

NameDescriptionOffsetLengthStock R25 contents
Product IDUsed by Sercomm RedBoot upgrade system|0x7FFFF0200 01
Protocol IDUsed by Sercomm RedBoot upgrade system0x7FFFF2200 00
Firmware VersionUsed by Sercomm RedBoot upgrade system0x7FFFF4223 25
UnknownUnused?0x7FFFF6290 F7
Magic NumberUsed by RedBoot do_boot to check for a Sercomm flash layout0x7FFFF8665 52 63 4F 6D 4D (eRcOmM)
UnknownUnused?0x7FFFFE200 B9
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Originally by tman.
Page last modified on April 14, 2005, at 10:26 PM