port-arm: arm intr questions

Subject: arm intr questions
To: None <port-arm@netbsd.org>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: port-arm
Date: 11/23/2005 15:43:37

i'm reading arm interrupt code for splraiseipl.
__NEWINTR version seems straightforward but
__OLD_INTERRUPT_CODE ones seems more complicated than they should. :-(

some questions about "old" ones:

- imask/irqmasks is only used to calculate spl_masks?
- who uses irqblock[]?

YAMAMOTO Takashi