1.4.4. Boot Monitor Debug commands

The Boot Monitor includes a set of debug commands.

Enter DEBUG while the main command set is active to enable the debug commands.

Table 1.6 shows the commands for the Debug sub-menu.

Table 1.6. Boot Monitor Debug command set

CommandAction
DEPOSIT address value [size]Load memory specified by address with value. The size parameter is optional. If used, it can be BYTE, HALFWORD, or WORD. The default is WORD.
DISABLE MESSAGESDisable printing of debug messages.
ENABLE MESSAGESEnable printing of debug messages.
EXAMINE addressExamine memory at address.
EXITExit the debug commands and return to executing standard Boot Monitor commands that Default command set describes.
GO addressRun the code starting at address.
HELP [command]

List the debug commands.

Entering HELP followed by a command displays help for that command.

MODIFY address value mask [size]Performs read-modify-write at memory specified by address. The current value at the location is ORed with the result of ANDing value and mask. The size parameter is optional. If used, it can be BYTE, HALFWORD, or WORD. The default is WORD.
QUITAlias for EXIT. Exit the Debug commands and return to standard Boot Monitor commands that Default command set describes.
REBOOTPower down and then restart the system.
RESETPerform a reset of the daughterboards.
SHUTDOWNPower down the whole system except for the MCC which enters standby state.
START TIMERStart a timer.
STOP TIMERStop the timer started with the START TIMER command and display the elapsed time.

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