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Overview

Rapid Program Tracing Spots Hard-To-Find Bugs Synopsys DesignWare® SmaRT is a hardware module that can be integrated into any system-on-chip (SoC) within the DesignWare ARC configurable architecture. Delivered via the DesignWare ARChitect™ configuration tool as an IP library component, it enables rapid software debug with minimal increase in die size and no power consumption penalty. DesignWare SmaRT gives developers the ability to trace program execution precisely in the real system. They can therefore diagnose bugs that are difficult to reproduce in system simulators, or only become apparent when the system is run at full speed. The system works by recognizing any change of program flow control: the relevant source and destination instruction addresses are then recorded within a stack structure. When the processor is halted, the resultant execution history can be read back by the MetaWare® debugger via the SoC s JTAG port: no special interfaces or external hardware are required.

Features

  • DesignWare SmaRT records actual instruction locations and makes them available via the MetaWare Debugger. The ability to trace the exact execution path allows engineers to identify and correct the toughest of bugs
  • DesignWare SmaRT tracing can be disabled in normal operation, reducing its impact in terms of power Reliable operation, fast real-time response for deeply embedded designs
  • DesignWare SmaRT tracing uses the SoC s existing JTAG port, so it requires no addtional interface circuitry Powerful MQX Host Tools included for debugging, performance analysis and prototyping
  • DesignWare SmaRT is supplied as a hardware IP block that can be included on-chip by a designer using the DesignWare ARChitect processor configurator
  • Using this GUI-based design tool allows DesignWare SmaRT to be configured for use within devices based on any DesignWare ARC core
  • DesignWare SmaRT is designed for use in conjunction with the MetaWare Debugger
  • The debugger can be used to switch DesignWare SmaRT tracing on and off as part of normal program execution, by setting a control bit/Trace results can be displayed in an intuitive fashion, along with other program information available to the debugger

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