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[Qemu-devel] [4894] Special Mask Mode for i8259 PIC (Sebastian Reichelt)
From: |
Andrzej Zaborowski |
Subject: |
[Qemu-devel] [4894] Special Mask Mode for i8259 PIC (Sebastian Reichelt). |
Date: |
Sat, 19 Jul 2008 09:18:48 +0000 |
Revision: 4894
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4894
Author: balrog
Date: 2008-07-19 09:18:48 +0000 (Sat, 19 Jul 2008)
Log Message:
-----------
Special Mask Mode for i8259 PIC (Sebastian Reichelt).
Modified Paths:
--------------
trunk/hw/i8259.c
Modified: trunk/hw/i8259.c
===================================================================
--- trunk/hw/i8259.c 2008-07-18 18:06:23 UTC (rev 4893)
+++ trunk/hw/i8259.c 2008-07-19 09:18:48 UTC (rev 4894)
@@ -123,6 +123,8 @@
master, the IRQ coming from the slave is not taken into account
for the priority computation. */
mask = s->isr;
+ if (s->special_mask)
+ mask &= ~s->imr;
if (s->special_fully_nested_mode && s == &s->pics_state->pics[0])
mask &= ~(1 << 2);
cur_priority = get_priority(s, mask);
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