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Exception handling involving emulation of exception triggering data transfer operation using syndrome data store that includes data value to be transferred
Exception handling involving emulation of exception triggering data transfer operation using syndrome data store that includes data value to be transferred
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机译:异常处理包括使用包含要传输的数据值的校正子数据存储来模拟异常触发数据传输操作
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摘要
A data processing system includes exception handling circuitry to detect attempted execution of an exception-triggering processing operation which includes transfer of a data value with a given register of a register bank. Upon detection of such an exception-triggering processing operation, syndrome data is stored within a syndrome register characterising the exception-triggering processing operation with that syndrome data including the data value. The value may be stored into the syndrome register upon occurrence of the exception in the case of an aborting write instruction. The data value may be stored into the syndrome register by emulating code triggered by exception in the case of an aborting read instruction.
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