M5253EVBE Users Manual, Rev. 1
Freescale Semiconductor
2-13
To execute code up to the C function bench(), the command is:
gt _bench
2.4.13
IRD (Internal Register Display)
Usage: IRD <module.register>
This command displays the internal registers of different modules inside the MCF5xxx. In the command
line, module refers to the module name where the register is located and register refers to the specific
register to display.
The registers are organized according to the module to which they belong. The available modules on the
MCF5xxx are CS, DMA0, DMA1, DMA2, DMA3, DRAMC, PP, MBUS, SIM, TIMER1, TIMER2,
UART0 and UART1. Refer to the
MCF5407 Reference Manual
for more information on these modules
and the registers they contain.
Example:
ird sim.rsr
2.4.14
IRM (Internal Register Modify)
Usage: IRM module.register data
This command modifies the contents of the internal registers of different modules inside the MCF5xxx. In
the command line, module refers to the module name where the register is located and register refers to
the specific register to modify. The data parameter specifies the new value to be written into the register.
The registers are organized according to the module to which they belong. The available modules on the
MCF5xxx are CS, DMA0, DMA1, DMA2, DMA3, DRAMC, PP, MBUS, SIM, TIMER1, TIMER2,
UART0, and UART1. Refer to the
MCF5407 Reference Manual
for more information on these modules
and the registers they contain.
Example:
To modify the TMR register of the first Timer module to the value 0x0021, the command is:
irm timer1.tmr 0021
2.4.15
HELP (Help)
Usage: HELP <command>
The HELP command displays a brief syntax of the commands available within dBUG. In addition, the
address of where user code may start is given. If command is provided, then a brief listing of the syntax of
the specified command is displayed.
Examples:
To obtain a listing of all the commands available within dBUG, the command is:
help