| To: | "'Linux/MIPS Development'" <linux-mips@linux-mips.org> |
|---|---|
| Subject: | Mips4KECR2 |
| From: | "Mile Davidovic" <mile.davidovic@micronasnit.com> |
| Date: | Wed, 25 May 2005 18:00:32 +0200 |
| Organization: | MicronasNIT |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| Reply-to: | <mile.davidovic@micronasnit.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| Thread-index: | AcVhQuDYchYJkAONS9WjBRBe+vSwhA== |
Hello all
I have problem with MIPS4KECR2 and int handler, MIPS 4KECR2 has support for
external interrupt controller.
AFAIK, conditions for EIC mode are next:
Config3(VEIC) = 1
IntCtl(VS) != 0
Cause(IV) = 1
Status(BEV) = 0
IntCtl(VS) has to be different then zero and this field specifies spacing
beetween vectored interrupts.
Interrupt handler for MIPS4KECR2 is placed on 0x80000200 and if I set
IntCtl(VS) on 0x20 and I want to
use max number of interrupts (63) I have to place almost 2k from 0x80000200
and I am afraid that I will
overwritten something.
I am pretty shure that I do not see obviouse things, but any help/comment
will be most welcome.
Best regards Mile
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