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[78.12.252.58]) by smtp.gmail.com with ESMTPSA id ac2sm19250359wjc.35.2016.05.23.08.10.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 May 2016 08:10:23 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Mon, 23 May 2016 17:09:57 +0200 Message-Id: <1464016199-43768-23-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1464016199-43768-1-git-send-email-pbonzini@redhat.com> References: <1464016199-43768-1-git-send-email-pbonzini@redhat.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2a00:1450:400c:c09::244 Subject: [Qemu-devel] [PULL 22/24] target-i386: add a generic x86 nmi handler X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bandan Das Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Bandan Das Instead of having x86 ifdefs in core nmi code, this change adds a arch specific handler that the nmi common code can call. Signed-off-by: Bandan Das Message-Id: <1463761717-26558-2-git-send-email-bsd@redhat.com> Signed-off-by: Paolo Bonzini --- hw/i386/pc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 99437e0..e29ccc8 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -67,6 +67,7 @@ #include "qapi/visitor.h" #include "qapi-visit.h" #include "qom/cpu.h" +#include "hw/nmi.h" /* debug PC/ISA interrupts */ //#define DEBUG_IRQ @@ -1963,11 +1964,28 @@ static CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine) return list; } +static void x86_nmi(NMIState *n, int cpu_index, Error **errp) +{ + /* cpu index isn't used */ + CPUState *cs; + + CPU_FOREACH(cs) { + X86CPU *cpu = X86_CPU(cs); + + if (!cpu->apic_state) { + cpu_interrupt(cs, CPU_INTERRUPT_NMI); + } else { + apic_deliver_nmi(cpu->apic_state); + } + } +} + static void pc_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); PCMachineClass *pcmc = PC_MACHINE_CLASS(oc); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); pcmc->get_hotplug_handler = mc->get_hotplug_handler; pcmc->pci_enabled = true; @@ -1993,6 +2011,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) hc->plug = pc_machine_device_plug_cb; hc->unplug_request = pc_machine_device_unplug_request_cb; hc->unplug = pc_machine_device_unplug_cb; + nc->nmi_monitor_handler = x86_nmi; } static const TypeInfo pc_machine_info = { @@ -2005,6 +2024,7 @@ static const TypeInfo pc_machine_info = { .class_init = pc_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_HOTPLUG_HANDLER }, + { TYPE_NMI }, { } }, };