diff options
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/arm_gicv3_common.c | 1 | ||||
| -rw-r--r-- | hw/intc/arm_gicv3_kvm.c | 29 | ||||
| -rw-r--r-- | hw/intc/armv7m_nvic.c | 4 |
3 files changed, 32 insertions, 2 deletions
diff --git a/hw/intc/arm_gicv3_common.c b/hw/intc/arm_gicv3_common.c index 1cee68193c..e438d8c042 100644 --- a/hw/intc/arm_gicv3_common.c +++ b/hw/intc/arm_gicv3_common.c @@ -612,6 +612,7 @@ static const Property arm_gicv3_common_properties[] = { DEFINE_PROP_BOOL("has-lpi", GICv3State, lpi_enable, 0), DEFINE_PROP_BOOL("has-nmi", GICv3State, nmi_support, 0), DEFINE_PROP_BOOL("has-security-extensions", GICv3State, security_extn, 0), + DEFINE_PROP_UINT32("maintenance-interrupt-id", GICv3State, maint_irq, 0), /* * Compatibility property: force 8 bits of physical priority, even * if the CPU being emulated should have fewer. diff --git a/hw/intc/arm_gicv3_kvm.c b/hw/intc/arm_gicv3_kvm.c index 3be3bf6c28..8ed88e7429 100644 --- a/hw/intc/arm_gicv3_kvm.c +++ b/hw/intc/arm_gicv3_kvm.c @@ -22,6 +22,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "hw/intc/arm_gicv3_common.h" +#include "hw/arm/virt.h" #include "qemu/error-report.h" #include "qemu/module.h" #include "system/kvm.h" @@ -825,6 +826,34 @@ static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp) return; } + if (s->maint_irq) { + Error *kvm_nv_migration_blocker = NULL; + int ret; + + error_setg(&kvm_nv_migration_blocker, + "Live migration disabled because KVM nested virt is enabled"); + if (migrate_add_blocker(&kvm_nv_migration_blocker, errp)) { + error_free(kvm_nv_migration_blocker); + return; + } + + ret = kvm_device_check_attr(s->dev_fd, + KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, 0); + if (!ret) { + error_setg_errno(errp, errno, + "VGICv3 setting maintenance IRQ is not " + "supported by this host kernel"); + return; + } + + ret = kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_MAINT_IRQ, 0, + &s->maint_irq, true, errp); + if (ret) { + error_setg_errno(errp, errno, "Failed to set VGIC maintenance IRQ"); + return; + } + } + multiple_redist_region_allowed = kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION); diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index 6d85720f1b..7c78961040 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -1279,7 +1279,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs) if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) { goto bad_offset; } - return cpu->id_afr0; + return GET_IDREG(isar, ID_AFR0); case 0xd50: /* MMFR0. */ if (!arm_feature(&cpu->env, ARM_FEATURE_M_MAIN)) { goto bad_offset; @@ -1331,7 +1331,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs) } return GET_IDREG(&cpu->isar, ID_ISAR5); case 0xd78: /* CLIDR */ - return cpu->clidr; + return GET_IDREG(&cpu->isar, CLIDR); case 0xd7c: /* CTR */ return cpu->ctr; case 0xd80: /* CSSIDR */ |