Debug Terminology
7.3 Debug Terminology
7-6
The following definitions will help you to understand the information in the rest
of this chapter:
Background code. The body of code that can be halted during debug-
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ging because it is not time-critical.
Foreground code. The code of time-critical interrupt service routines,
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which are executed even when background code is halted.
Debug-halt state. The state in which the device does not execute back-
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ground code.
Time-critical interrupt. An interrupt that must be serviced even when
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background code is halted. For example, a time-critical interrupt might
service a motor controller or a high-speed timer.
Debug event. An action, such as the decoding of a software breakpoint
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instruction, the occurrence of an analysis breakpoint/watchpoint, or a re-
quest from a host processor that can result in special debug behavior,
such as halting the device or pulsing one of the signals EMU0 or EMU1.
Break event. A debug event that causes the device to enter the debug-
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halt state.
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