From a4d4edce7ae23b9136cb9e243d6eab866609315d Mon Sep 17 00:00:00 2001 From: Greg Kurz Date: Wed, 7 Jun 2017 19:17:00 +0200 Subject: xics: add reset() handler to ICPStateClass MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Taking into account that qemu_set_irq() returns immediatly if its first argument is NULL, icp_kvm_reset() largely duplicates icp_reset(). This patch introduces a reset() handler, so that the common logic can be implemented in icp_reset() only. While there we can also drop icp_kvm_realize() and icp_kvm_unrealize(). This causes icp-kvm to be realized in icp_realize(), which sets icp->xics, but it has no impact. Signed-off-by: Greg Kurz Reviewed-by: Cédric Le Goater Signed-off-by: David Gibson --- hw/intc/xics.c | 5 +++++ hw/intc/xics_kvm.c | 27 ++------------------------- include/hw/ppc/xics.h | 1 + 3 files changed, 8 insertions(+), 25 deletions(-) diff --git a/hw/intc/xics.c b/hw/intc/xics.c index ea3516794a..ec73f02144 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -325,6 +325,7 @@ static const VMStateDescription vmstate_icp_server = { static void icp_reset(void *dev) { ICPState *icp = ICP(dev); + ICPStateClass *icpc = ICP_GET_CLASS(icp); icp->xirr = 0; icp->pending_priority = 0xff; @@ -332,6 +333,10 @@ static void icp_reset(void *dev) /* Make all outputs are deasserted */ qemu_set_irq(icp->output, 0); + + if (icpc->reset) { + icpc->reset(icp); + } } static void icp_realize(DeviceState *dev, Error **errp) diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 14b8f6f6e4..45bf110b51 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -110,19 +110,8 @@ static int icp_set_kvm_state(ICPState *icp, int version_id) return 0; } -static void icp_kvm_reset(void *dev) +static void icp_kvm_reset(ICPState *icp) { - ICPState *icp = ICP(dev); - - icp->xirr = 0; - icp->pending_priority = 0xff; - icp->mfrr = 0xff; - - /* Make all outputs as deasserted only if the CPU thread is in use */ - if (icp->output) { - qemu_set_irq(icp->output, 0); - } - icp_set_kvm_state(icp, 1); } @@ -159,26 +148,14 @@ static void icp_kvm_cpu_setup(ICPState *icp, PowerPCCPU *cpu) QLIST_INSERT_HEAD(&kvm_enabled_icps, enabled_icp, node); } -static void icp_kvm_realize(DeviceState *dev, Error **errp) -{ - qemu_register_reset(icp_kvm_reset, dev); -} - -static void icp_kvm_unrealize(DeviceState *dev, Error **errp) -{ - qemu_unregister_reset(icp_kvm_reset, dev); -} - static void icp_kvm_class_init(ObjectClass *klass, void *data) { - DeviceClass *dc = DEVICE_CLASS(klass); ICPStateClass *icpc = ICP_CLASS(klass); - dc->realize = icp_kvm_realize; - dc->unrealize = icp_kvm_unrealize; icpc->pre_save = icp_get_kvm_state; icpc->post_load = icp_set_kvm_state; icpc->cpu_setup = icp_kvm_cpu_setup; + icpc->reset = icp_kvm_reset; } static const TypeInfo icp_kvm_info = { diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h index a3073f9053..40a506eacf 100644 --- a/include/hw/ppc/xics.h +++ b/include/hw/ppc/xics.h @@ -69,6 +69,7 @@ struct ICPStateClass { void (*pre_save)(ICPState *s); int (*post_load)(ICPState *s, int version_id); void (*cpu_setup)(ICPState *icp, PowerPCCPU *cpu); + void (*reset)(ICPState *icp); }; struct ICPState { -- cgit v1.2.3