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Diffstat (limited to 'hw/kvm/arm_gic.c')
-rw-r--r--hw/kvm/arm_gic.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/hw/kvm/arm_gic.c b/hw/kvm/arm_gic.c
deleted file mode 100644
index 22b40b4f84..0000000000
--- a/hw/kvm/arm_gic.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * ARM Generic Interrupt Controller using KVM in-kernel support
- *
- * Copyright (c) 2012 Linaro Limited
- * Written by Peter Maydell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "hw/sysbus.h"
-#include "sysemu/kvm.h"
-#include "kvm_arm.h"
-#include "hw/arm_gic_internal.h"
-
-#define TYPE_KVM_ARM_GIC "kvm-arm-gic"
-#define KVM_ARM_GIC(obj) \
- OBJECT_CHECK(GICState, (obj), TYPE_KVM_ARM_GIC)
-#define KVM_ARM_GIC_CLASS(klass) \
- OBJECT_CLASS_CHECK(KVMARMGICClass, (klass), TYPE_KVM_ARM_GIC)
-#define KVM_ARM_GIC_GET_CLASS(obj) \
- OBJECT_GET_CLASS(KVMARMGICClass, (obj), TYPE_KVM_ARM_GIC)
-
-typedef struct KVMARMGICClass {
- ARMGICCommonClass parent_class;
- DeviceRealize parent_realize;
- void (*parent_reset)(DeviceState *dev);
-} KVMARMGICClass;
-
-static void kvm_arm_gic_set_irq(void *opaque, int irq, int level)
-{
- /* Meaning of the 'irq' parameter:
- * [0..N-1] : external interrupts
- * [N..N+31] : PPI (internal) interrupts for CPU 0
- * [N+32..N+63] : PPI (internal interrupts for CPU 1
- * ...
- * Convert this to the kernel's desired encoding, which
- * has separate fields in the irq number for type,
- * CPU number and interrupt number.
- */
- GICState *s = (GICState *)opaque;
- int kvm_irq, irqtype, cpu;
-
- if (irq < (s->num_irq - GIC_INTERNAL)) {
- /* External interrupt. The kernel numbers these like the GIC
- * hardware, with external interrupt IDs starting after the
- * internal ones.
- */
- irqtype = KVM_ARM_IRQ_TYPE_SPI;
- cpu = 0;
- irq += GIC_INTERNAL;
- } else {
- /* Internal interrupt: decode into (cpu, interrupt id) */
- irqtype = KVM_ARM_IRQ_TYPE_PPI;
- irq -= (s->num_irq - GIC_INTERNAL);
- cpu = irq / GIC_INTERNAL;
- irq %= GIC_INTERNAL;
- }
- kvm_irq = (irqtype << KVM_ARM_IRQ_TYPE_SHIFT)
- | (cpu << KVM_ARM_IRQ_VCPU_SHIFT) | irq;
-
- kvm_set_irq(kvm_state, kvm_irq, !!level);
-}
-
-static void kvm_arm_gic_put(GICState *s)
-{
- /* TODO: there isn't currently a kernel interface to set the GIC state */
-}
-
-static void kvm_arm_gic_get(GICState *s)
-{
- /* TODO: there isn't currently a kernel interface to get the GIC state */
-}
-
-static void kvm_arm_gic_reset(DeviceState *dev)
-{
- GICState *s = ARM_GIC_COMMON(dev);
- KVMARMGICClass *kgc = KVM_ARM_GIC_GET_CLASS(s);
-
- kgc->parent_reset(dev);
- kvm_arm_gic_put(s);
-}
-
-static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
-{
- int i;
- GICState *s = KVM_ARM_GIC(dev);
- SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- KVMARMGICClass *kgc = KVM_ARM_GIC_GET_CLASS(s);
-
- kgc->parent_realize(dev, errp);
- if (error_is_set(errp)) {
- return;
- }
-
- i = s->num_irq - GIC_INTERNAL;
- /* For the GIC, also expose incoming GPIO lines for PPIs for each CPU.
- * GPIO array layout is thus:
- * [0..N-1] SPIs
- * [N..N+31] PPIs for CPU 0
- * [N+32..N+63] PPIs for CPU 1
- * ...
- */
- i += (GIC_INTERNAL * s->num_cpu);
- qdev_init_gpio_in(dev, kvm_arm_gic_set_irq, i);
- /* We never use our outbound IRQ lines but provide them so that
- * we maintain the same interface as the non-KVM GIC.
- */
- for (i = 0; i < s->num_cpu; i++) {
- sysbus_init_irq(sbd, &s->parent_irq[i]);
- }
- /* Distributor */
- memory_region_init_reservation(&s->iomem, "kvm-gic_dist", 0x1000);
- sysbus_init_mmio(sbd, &s->iomem);
- kvm_arm_register_device(&s->iomem,
- (KVM_ARM_DEVICE_VGIC_V2 << KVM_ARM_DEVICE_ID_SHIFT)
- | KVM_VGIC_V2_ADDR_TYPE_DIST);
- /* CPU interface for current core. Unlike arm_gic, we don't
- * provide the "interface for core #N" memory regions, because
- * cores with a VGIC don't have those.
- */
- memory_region_init_reservation(&s->cpuiomem[0], "kvm-gic_cpu", 0x1000);
- sysbus_init_mmio(sbd, &s->cpuiomem[0]);
- kvm_arm_register_device(&s->cpuiomem[0],
- (KVM_ARM_DEVICE_VGIC_V2 << KVM_ARM_DEVICE_ID_SHIFT)
- | KVM_VGIC_V2_ADDR_TYPE_CPU);
-}
-
-static void kvm_arm_gic_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- ARMGICCommonClass *agcc = ARM_GIC_COMMON_CLASS(klass);
- KVMARMGICClass *kgc = KVM_ARM_GIC_CLASS(klass);
-
- agcc->pre_save = kvm_arm_gic_get;
- agcc->post_load = kvm_arm_gic_put;
- kgc->parent_realize = dc->realize;
- kgc->parent_reset = dc->reset;
- dc->realize = kvm_arm_gic_realize;
- dc->reset = kvm_arm_gic_reset;
- dc->no_user = 1;
-}
-
-static const TypeInfo kvm_arm_gic_info = {
- .name = TYPE_KVM_ARM_GIC,
- .parent = TYPE_ARM_GIC_COMMON,
- .instance_size = sizeof(GICState),
- .class_init = kvm_arm_gic_class_init,
- .class_size = sizeof(KVMARMGICClass),
-};
-
-static void kvm_arm_gic_register_types(void)
-{
- type_register_static(&kvm_arm_gic_info);
-}
-
-type_init(kvm_arm_gic_register_types)
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