Cypress DCT-1D Guida Utente Scaricare il pdf (Pagina 20)

CHAPTER 1. THE SYST EM

The simulator can also be started in an interactive mode by

or32-uclinux-sim -f sim.cfg -i prog .

In Figure 1.8 we show as an example the simulation of a simple monitor in an

xterm window.

Figure 1.8: Simulation of the bender monitor.

The command help lists available commands, for instance t (trace):

00000100: : 00000000 l.j 0x0 (executed) [time 40ns, #1]

00000104: : 00000000 l.j 0x0 (next insn) (delay insn)

GPR00: 00000000 GPR01: 00000000 GPR02: 00000000 GPR03: 00000000

GPR04: 00000000 GPR05: 00000000 GPR06: 00000000 GPR07: 00000000

GPR08: 00000000 GPR09: 00000000 GPR10: 00000000 GPR11: 00000000

GPR12: 00000000 GPR13: 00000000 GPR14: 00000000 GPR15: 00000000

GPR16: 00000000 GPR17: 00000000 GPR18: 00000000 GPR19: 00000000

GPR20: 00000000 GPR21: 00000000 GPR22: 00000000 GPR23: 00000000

GPR24: 00000000 GPR25: 00000000 GPR26: 00000000 GPR27: 00000000

GPR28: 00000000 GPR29: 00000000 GPR30: 00000000 GPR31: 00000000 flag: 0

1.4.4 µClinux

µClinux, which stands for microcontroller Linux, is a Linux variant intended for com-

puters without a Memory Management Unit (MMU). This means that the kernel and

the processes reside in the same address space.

You can start µClinux by giving the u command from the boot monitor. µClinux

is now copied from FLASH (0xf0100000) to SDRAM (0x0) and the booting process

starts.

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Cypress DCT-1D Guida Utente Pagina 20