diff options
| -rw-r--r-- | hw/i386/acpi-common.c | 10 | ||||
| -rw-r--r-- | hw/i386/x86.c | 21 | ||||
| -rw-r--r-- | include/hw/i386/ioapic.h | 2 | ||||
| -rw-r--r-- | include/hw/i386/ioapic_internal.h | 2 | ||||
| -rw-r--r-- | include/hw/i386/x86.h | 3 |
5 files changed, 37 insertions, 1 deletions
diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c index 8a76965406..a6a30e8363 100644 --- a/hw/i386/acpi-common.c +++ b/hw/i386/acpi-common.c @@ -103,6 +103,16 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *linker, io_apic->address = cpu_to_le32(IO_APIC_DEFAULT_ADDRESS); io_apic->interrupt = cpu_to_le32(0); + if (x86ms->ioapic2) { + AcpiMadtIoApic *io_apic2; + io_apic2 = acpi_data_push(table_data, sizeof *io_apic); + io_apic2->type = ACPI_APIC_IO; + io_apic2->length = sizeof(*io_apic); + io_apic2->io_apic_id = ACPI_BUILD_IOAPIC_ID + 1; + io_apic2->address = cpu_to_le32(IO_APIC_SECONDARY_ADDRESS); + io_apic2->interrupt = cpu_to_le32(IO_APIC_SECONDARY_IRQBASE); + } + if (x86ms->apic_xrupt_override) { intsrcovr = acpi_data_push(table_data, sizeof *intsrcovr); intsrcovr->type = ACPI_APIC_XRUPT_OVERRIDE; diff --git a/hw/i386/x86.c b/hw/i386/x86.c index b67e7b789f..d68a9eaefc 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -598,6 +598,10 @@ void gsi_handler(void *opaque, int n, int level) case ISA_NUM_IRQS ... IOAPIC_NUM_PINS - 1: qemu_set_irq(s->ioapic_irq[n], level); break; + case IO_APIC_SECONDARY_IRQBASE + ... IO_APIC_SECONDARY_IRQBASE + IOAPIC_NUM_PINS - 1: + qemu_set_irq(s->ioapic2_irq[n - IO_APIC_SECONDARY_IRQBASE], level); + break; } } @@ -624,6 +628,23 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name) } } +DeviceState *ioapic_init_secondary(GSIState *gsi_state) +{ + DeviceState *dev; + SysBusDevice *d; + unsigned int i; + + dev = qdev_new(TYPE_IOAPIC); + d = SYS_BUS_DEVICE(dev); + sysbus_realize_and_unref(d, &error_fatal); + sysbus_mmio_map(d, 0, IO_APIC_SECONDARY_ADDRESS); + + for (i = 0; i < IOAPIC_NUM_PINS; i++) { + gsi_state->ioapic2_irq[i] = qdev_get_gpio_in(dev, i); + } + return dev; +} + struct setup_data { uint64_t next; uint32_t type; diff --git a/include/hw/i386/ioapic.h b/include/hw/i386/ioapic.h index 06bfaaeac6..ef37b8a9fd 100644 --- a/include/hw/i386/ioapic.h +++ b/include/hw/i386/ioapic.h @@ -22,6 +22,8 @@ #define IOAPIC_NUM_PINS 24 #define IO_APIC_DEFAULT_ADDRESS 0xfec00000 +#define IO_APIC_SECONDARY_ADDRESS (IO_APIC_DEFAULT_ADDRESS + 0x10000) +#define IO_APIC_SECONDARY_IRQBASE 24 /* primary 0 -> 23, secondary 24 -> 47 */ #define TYPE_KVM_IOAPIC "kvm-ioapic" #define TYPE_IOAPIC "ioapic" diff --git a/include/hw/i386/ioapic_internal.h b/include/hw/i386/ioapic_internal.h index 0f9002a2c2..021e715f11 100644 --- a/include/hw/i386/ioapic_internal.h +++ b/include/hw/i386/ioapic_internal.h @@ -27,7 +27,7 @@ #include "qemu/notify.h" #include "qom/object.h" -#define MAX_IOAPICS 1 +#define MAX_IOAPICS 2 #define IOAPIC_LVT_DEST_SHIFT 56 #define IOAPIC_LVT_DEST_IDX_SHIFT 48 diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index 739fac5087..3f9b052cfc 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -50,6 +50,7 @@ struct X86MachineState { ISADevice *rtc; FWCfgState *fw_cfg; qemu_irq *gsi; + DeviceState *ioapic2; GMappedFile *initrd_mapped_file; HotplugHandler *acpi_dev; @@ -120,10 +121,12 @@ bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms); typedef struct GSIState { qemu_irq i8259_irq[ISA_NUM_IRQS]; qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; + qemu_irq ioapic2_irq[IOAPIC_NUM_PINS]; } GSIState; qemu_irq x86_allocate_cpu_irq(void); void gsi_handler(void *opaque, int n, int level); void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); +DeviceState *ioapic_init_secondary(GSIState *gsi_state); #endif |