On Tue, Jul 10, 2007 at 08:11:01AM +0200, [EMAIL PROTECTED] wrote: > the following patch adds support for the vectored interrupt controller > to the LPC2xxx HAL. Now the LPC2xxx HAL supports up to 17 interrupt > priorities. This patch improves interrupt processing times for > vectored IRQs and the speed of the whole system because also the > system clock interrupt processing time is improved.
I'm a bit confused about that VIC support. There is an assertion in hal_interrupt_set_level() that makes sure that no priority < 16 is used more than once. The default clock interrupt priority is 0, as are the interrupt priorities for CAN, SPI and I2C, and the driver for the RTL8019 ethernet chip I use doesn't even support anything else (but that could be changed). The kintr0 test creates one interrupt of priority 0 and two of priority 1. I doubt that this will just work, and I'm a bit unsure what the right solution would be. One very simple solution would be to just use the next higher free priority if the chosen priority is already used. This will be problematic if some code relies on the correct priority. A less simple solution would be to fix the drivers and the kintr0 test to use configurable priorities. If it wouldn't involve kintr0 I would just do that. -- %SYSTEM-F-ANARCHISM, The operating system has been overthrown
