diff options
Diffstat (limited to 'qemu/hw/intc/arm_gicv3_common.c')
| -rw-r--r-- | qemu/hw/intc/arm_gicv3_common.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/qemu/hw/intc/arm_gicv3_common.c b/qemu/hw/intc/arm_gicv3_common.c deleted file mode 100644 index b9d3824f2..000000000 --- a/qemu/hw/intc/arm_gicv3_common.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * ARM GICv3 support - common bits of emulated and KVM kernel model - * - * Copyright (c) 2012 Linaro Limited - * Copyright (c) 2015 Huawei. - * Written by Peter Maydell - * Extended to 64 cores by Shlomo Pongratz - * - * 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 "qemu/osdep.h" -#include "qapi/error.h" -#include "hw/intc/arm_gicv3_common.h" - -static void gicv3_pre_save(void *opaque) -{ - GICv3State *s = (GICv3State *)opaque; - ARMGICv3CommonClass *c = ARM_GICV3_COMMON_GET_CLASS(s); - - if (c->pre_save) { - c->pre_save(s); - } -} - -static int gicv3_post_load(void *opaque, int version_id) -{ - GICv3State *s = (GICv3State *)opaque; - ARMGICv3CommonClass *c = ARM_GICV3_COMMON_GET_CLASS(s); - - if (c->post_load) { - c->post_load(s); - } - return 0; -} - -static const VMStateDescription vmstate_gicv3 = { - .name = "arm_gicv3", - .unmigratable = 1, - .pre_save = gicv3_pre_save, - .post_load = gicv3_post_load, -}; - -void gicv3_init_irqs_and_mmio(GICv3State *s, qemu_irq_handler handler, - const MemoryRegionOps *ops) -{ - SysBusDevice *sbd = SYS_BUS_DEVICE(s); - int i; - - /* For the GIC, also expose incoming GPIO lines for PPIs for each CPU. - * GPIO array layout is thus: - * [0..N-1] spi - * [N..N+31] PPIs for CPU 0 - * [N+32..N+63] PPIs for CPU 1 - * ... - */ - i = s->num_irq - GIC_INTERNAL + GIC_INTERNAL * s->num_cpu; - qdev_init_gpio_in(DEVICE(s), handler, i); - - s->parent_irq = g_malloc(s->num_cpu * sizeof(qemu_irq)); - s->parent_fiq = g_malloc(s->num_cpu * sizeof(qemu_irq)); - - for (i = 0; i < s->num_cpu; i++) { - sysbus_init_irq(sbd, &s->parent_irq[i]); - } - for (i = 0; i < s->num_cpu; i++) { - sysbus_init_irq(sbd, &s->parent_fiq[i]); - } - - memory_region_init_io(&s->iomem_dist, OBJECT(s), ops, s, - "gicv3_dist", 0x10000); - memory_region_init_io(&s->iomem_redist, OBJECT(s), ops ? &ops[1] : NULL, s, - "gicv3_redist", 0x20000 * s->num_cpu); - - sysbus_init_mmio(sbd, &s->iomem_dist); - sysbus_init_mmio(sbd, &s->iomem_redist); -} - -static void arm_gicv3_common_realize(DeviceState *dev, Error **errp) -{ - GICv3State *s = ARM_GICV3_COMMON(dev); - - /* revision property is actually reserved and currently used only in order - * to keep the interface compatible with GICv2 code, avoiding extra - * conditions. However, in future it could be used, for example, if we - * implement GICv4. - */ - if (s->revision != 3) { - error_setg(errp, "unsupported GIC revision %d", s->revision); - return; - } -} - -static void arm_gicv3_common_reset(DeviceState *dev) -{ - /* TODO */ -} - -static Property arm_gicv3_common_properties[] = { - DEFINE_PROP_UINT32("num-cpu", GICv3State, num_cpu, 1), - DEFINE_PROP_UINT32("num-irq", GICv3State, num_irq, 32), - DEFINE_PROP_UINT32("revision", GICv3State, revision, 3), - DEFINE_PROP_BOOL("has-security-extensions", GICv3State, security_extn, 0), - DEFINE_PROP_END_OF_LIST(), -}; - -static void arm_gicv3_common_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->reset = arm_gicv3_common_reset; - dc->realize = arm_gicv3_common_realize; - dc->props = arm_gicv3_common_properties; - dc->vmsd = &vmstate_gicv3; -} - -static const TypeInfo arm_gicv3_common_type = { - .name = TYPE_ARM_GICV3_COMMON, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(GICv3State), - .class_size = sizeof(ARMGICv3CommonClass), - .class_init = arm_gicv3_common_class_init, - .abstract = true, -}; - -static void register_types(void) -{ - type_register_static(&arm_gicv3_common_type); -} - -type_init(register_types) |