M5ops
From gem5
This page explains the special opcodes that can be used in M5 to do checkpoints etc.
The m5 Utility (FS mode)
The m5 utility (see util/m5/) can be used in FS mode to issue special instructions to trigger simulation specific functionality. It currently offers the following options:
- ivlb:
- ivle:
- initparam:
- sw99param:
- exit [delay]: Stop the simulation in delay ticks.
- resetstats [delay [period]]: Reset simulation statistics in delay ticks; repeat this every period ticks.
- dumpstats [delay [period]]: Save simulation statistics to a file in delay ticks; repeat this every period ticks.
- dumpresetstats [delay [period]]: same as resetstats; dumpstats
- checkpoint [delay [period]]: Create a checkpoint in delay ticks; repeat this every period ticks.
- readfile:
- debugbreak:
- switchcpu:
