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spapr: enable XIVE MMIOs at reset

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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>
This commit is contained in:
Cédric Le Goater 2019-01-02 06:57:43 +01:00 • committed by David Gibson
parent 13db0cd9b8
commit 3a8eb78e6c
3 changed files with 19 additions and 0 deletions
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9
hw/ppc/spapr_irq.c
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@ -375,6 +375,9 @@ static void spapr_irq_reset_xive(sPAPRMachineState *spapr, Error **errp)
/* (TCG) Set the OS CAM line of the thread interrupt context. */
spapr_xive_set_tctx_os_cam(cpu->tctx);
}
/* Activate the XIVE MMIOs */
spapr_xive_mmio_set_enabled(spapr->xive, true);
}
static void spapr_irq_set_irq_xive(void *opaque, int srcno, int val)
@ -549,6 +552,12 @@ static int spapr_irq_post_load_dual(sPAPRMachineState *spapr, int version_id)
static void spapr_irq_reset_dual(sPAPRMachineState *spapr, Error **errp)
{
/*
* Deactivate the XIVE MMIOs. The XIVE backend will reenable them
* if selected.
*/
spapr_xive_mmio_set_enabled(spapr->xive, false);
spapr_irq_current(spapr)->reset(spapr, errp);
}