Date: Fri, 6 Mar 2015 02:05:45 +0000 (UTC) From: Tycho Nightingale <tychon@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r279683 - head/sys/amd64/vmm/io Message-ID: <201503060205.t2625jSG024686@svn.freebsd.org>
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Author: tychon Date: Fri Mar 6 02:05:45 2015 New Revision: 279683 URL: https://svnweb.freebsd.org/changeset/base/279683 Log: When ICW1 is issued the edge sense circuit is reset which means that following an initialization a low-to-high transistion is necesary to generate an interrupt. Reviewed by: neel Modified: head/sys/amd64/vmm/io/vatpic.c Modified: head/sys/amd64/vmm/io/vatpic.c ============================================================================== --- head/sys/amd64/vmm/io/vatpic.c Fri Mar 6 00:24:21 2015 (r279682) +++ head/sys/amd64/vmm/io/vatpic.c Fri Mar 6 02:05:45 2015 (r279683) @@ -275,6 +275,7 @@ vatpic_icw1(struct vatpic *vatpic, struc atpic->ready = false; atpic->icw_num = 1; + atpic->request = 0; atpic->mask = 0; atpic->lowprio = 7; atpic->rd_cmd_reg = 0;
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