This is the base class for the behavior of interrupt fields, i.e. fields that operate on vhdmmio's built-in interrupt system. They are associated with an interrupt defined in the interrupts key of the register file description. The arrayness of the interrupt must match the repetition/arrayness of the field descriptor, and the individual fields must be scalar.

This structure supports the following configuration keys.

The name of the interrupt or interrupt array that this field is associated with.

This key is required.

The role that this field assumes for the associated interrupt.

The following values are supported:

• raw (default): this field monitors the raw incoming interrupt request.

• enable: this field monitors and/or controls the interrupt enable flag.

• flag: this field monitors and/or controls the interrupt status flag.

• unmask: this field monitors and/or controls the interrupt unmask flag.

• masked: this field monitors the masked interrupt status flag.

This key is optional unless required by context. If not specified, the default value (raw) is used.

Configures what happens when a bus read occurs.

The following values are supported:

• disabled (default): read access is disabled.

• enabled: read access is enabled.

• clear: read access is enabled, and reading clears the associated flag.

This key is optional unless required by context. If not specified, the default value (disabled) is used.

Configures what happens when a bus read occurs.

The following values are supported:

• disabled (default): write access is disabled.

• enabled: write access is enabled.

• clear: write access is enabled, and writing a one clears the associated flag.

• set: write access is enabled, and writing a one sets the associated flag.

This key is optional unless required by context. If not specified, the default value (disabled) is used.