iMX8M Plus M7 GPIO Interrupt example code

[alex.tx]

Unfortunately, we do not have example code for a GPIO interrupt on the M7 of the verdin imx8, but maybe the links below will be helpful:

Best efficient way to handle Interrupt - FreeRTOS

nxp-mcuxpresso/mcux-sdk-examples/blob/main/evkbmimxrt1060/driver_examples/gpio/input_interrupt/gpio_input_interrupt.c

Interrupt Handler - GPIO as interrupt in Cortex M4 for i.MX7

I am trying to use a GPIO as interrupt in Cortex M4 of i.MX7. For that I refer the example driver application “gpio_imx” provided in freeRtos code."I understood the entire code but one thing i am not able to track is the interrupt handler BOARD_GPIO_KEY_HANDLER that is defined as macro in board.h file as GPIO2_INT31_16_Handler. but where does this GPIO2_INT31_16_Handler defined. Example code is building successfully.