Author: grehan
Date: Fri Sep 6 05:55:43 2013
New Revision: 255292
URL: http://svnweb.freebsd.org/changeset/base/255292
Log:
Allow level-triggered interrupt sources. While this isn't
precisely emulated, it is good enough for the single consumer
i.e. irq4, the serial port on Linux.
Modified:
head/usr.sbin/bhyve/ioapic.c
Modified: head/usr.sbin/bhyve/ioapic.c
==============================================================================
--- head/usr.sbin/bhyve/ioapic.c Fri Sep 6 05:55:02 2013
(r255291)
+++ head/usr.sbin/bhyve/ioapic.c Fri Sep 6 05:55:43 2013
(r255292)
@@ -101,13 +101,13 @@ ioapic_set_pinstate(struct vmctx *ctx, i
* XXX
* We only deal with:
* - edge triggered interrupts
- * - physical destination mode
* - fixed delivery mode
+ * Level-triggered sources will work so long as their is
+ * no sharing.
*/
low = ioapic->redtbl[pin];
high = ioapic->redtbl[pin] >> 32;
if ((low & IOART_INTMASK) == IOART_INTMCLR &&
- (low & IOART_TRGRMOD) == IOART_TRGREDG &&
(low & IOART_DESTMOD) == IOART_DESTPHY &&
(low & IOART_DELMOD) == IOART_DELFIXED) {
vector = low & IOART_INTVEC;
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