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authorCédric Le Goater <clg@kaod.org>2019-01-02 06:57:43 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2019-01-09 09:28:14 +1100
commit3a8eb78e6c135422017888380db091793039b6dd (patch)
tree0e6011b3ec47674859cd12a6e77ae8a8387f70a8 /hw/intc
parent13db0cd9b853225e0061c95e922af8fd044473b1 (diff)
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spapr: enable XIVE MMIOs at reset
Depending on the interrupt mode of the machine, enable or disable the XIVE MMIOs. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/intc')
-rw-r--r--hw/intc/spapr_xive.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index eea2833..d391177 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -179,6 +179,15 @@ static void spapr_xive_map_mmio(sPAPRXive *xive)
sysbus_mmio_map(SYS_BUS_DEVICE(xive), 2, xive->tm_base);
}
+void spapr_xive_mmio_set_enabled(sPAPRXive *xive, bool enable)
+{
+ memory_region_set_enabled(&xive->source.esb_mmio, enable);
+ memory_region_set_enabled(&xive->tm_mmio, enable);
+
+ /* Disable the END ESBs until a guest OS makes use of them */
+ memory_region_set_enabled(&xive->end_source.esb_mmio, false);
+}
+
/*
* When a Virtual Processor is scheduled to run on a HW thread, the
* hypervisor pushes its identifier in the OS CAM line. Emulate the