ChibiOS Free Embedded RTOS

I'm trying to port ChibiOS 16.1, one question is appeared.Is the OSAL necessary part of ChibiOS or i can skip it and to not use? In other words how to switch it off if there is such possibility?

Thanks for help, Artem

Hello,

I am using IAR EWARM for developing CM3 microcontrollers and one of the demos from chibiStudio. The code is compiling normaly, but on a linking stage there is always appeared next warning:

- [Warning[Lp012]: no sections with name IRQSTACK included - special symbol IRQSTACK$$Limit ...