Date: Fri, 6 Sep 2013 05:55:43 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r255292 - head/usr.sbin/bhyve Message-ID: <201309060555.r865thPS024570@svn.freebsd.org>
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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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