2.7.1.9 Software Trigger Interrupt Register
Write to the STIR to generate an interrupt from software. See the register summary in Table 2-34 for the STIR attributes.
When the USERSETMPEND bit in the SCR is set to 1, unprivileged software can access the STIR, see 2.7.2.6 System Control Register.
Important: Only privileged software can enable unprivileged
access to the STIR.
The bit assignments are:
![](GUID-C9B4387A-BB71-4075-A0CC-3E0815D87FDE-low.png)
Bits | Field | Function |
---|---|---|
[31:9] | Reserved. | |
[8:0] | INTID | Interrupt ID of the interrupt to trigger, in the range 0-239. For example, a value of 0x03 specifies interrupt IRQ3. |