Talk:SC EEPROM: Difference between revisions

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There is a flag at EEPROM which enables a special diagnostic mode at startup.<br>
There is a flag at EEPROM which enables a special diagnostic mode at startup.<br>
Note: This flag is enabled on Proto/DECR. It allows extra debug messages (INFO/WARNING/ERROR)
Note: This flag is enabled on Proto/DECR. It allows extra debug messages (INFO/WARNING/ERROR)<br>
Pseudo-code:
Pseudo-code:
<pre>
<pre>

Revision as of 06:23, 2 April 2016

There is a flag at EEPROM which enables a special diagnostic mode at startup.
Note: This flag is enabled on Proto/DECR. It allows extra debug messages (INFO/WARNING/ERROR)
Pseudo-code:

def check_bootrom_diag_mode(mode, param)
        diag_mode = get_eeprom_bootrom_diag()
        if diag_mode & 0x1:
                if diag_mode & 0x100:
                        return 0
                mode = (diag_mode >> 3) & 0x1
                param = (diag_mode >> 3) & 0x1
        else:
                mode = (diag_mode >> 1) & 0x1
                param = -1
        return 1

EEPROM Dumps

EEPROM Strings (CP memory dump, DECR)

http://pastie.org/private/usd2zi8mw3igycsh1a395q

Bus Pirate stuff

http://i.imgur.com/48rbR51.png

(needs more wikifying)