hw: move ARM CPU cores to hw/cpu/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 114 insertions, 0 deletions

diff --git a/hw/cpu/a15mpcore.c b/hw/cpu/a15mpcore.c
new file mode 100644
index 0000000000..648656d5b4
--- /dev/null
+++ b/hw/cpu/a15mpcore.c
@@ -0,0 +1,114 @@
+/*
+ * Cortex-A15MPCore internal peripheral emulation.
+ *
+ * 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"
+
+/* A15MP private memory region.  */
+
+typedef struct A15MPPrivState {
+    SysBusDevice busdev;
+    uint32_t num_cpu;
+    uint32_t num_irq;
+    MemoryRegion container;
+    DeviceState *gic;
+} A15MPPrivState;
+
+static void a15mp_priv_set_irq(void *opaque, int irq, int level)
+{
+    A15MPPrivState *s = (A15MPPrivState *)opaque;
+    qemu_set_irq(qdev_get_gpio_in(s->gic, irq), level);
+}
+
+static int a15mp_priv_init(SysBusDevice *dev)
+{
+    A15MPPrivState *s = FROM_SYSBUS(A15MPPrivState, dev);
+    SysBusDevice *busdev;
+    const char *gictype = "arm_gic";
+
+    if (kvm_irqchip_in_kernel()) {
+        gictype = "kvm-arm-gic";
+    }
+
+    s->gic = qdev_create(NULL, gictype);
+    qdev_prop_set_uint32(s->gic, "num-cpu", s->num_cpu);
+    qdev_prop_set_uint32(s->gic, "num-irq", s->num_irq);
+    qdev_prop_set_uint32(s->gic, "revision", 2);
+    qdev_init_nofail(s->gic);
+    busdev = SYS_BUS_DEVICE(s->gic);
+
+    /* Pass through outbound IRQ lines from the GIC */
+    sysbus_pass_irq(dev, busdev);
+
+    /* Pass through inbound GPIO lines to the GIC */
+    qdev_init_gpio_in(&s->busdev.qdev, a15mp_priv_set_irq, s->num_irq - 32);
+
+    /* Memory map (addresses are offsets from PERIPHBASE):
+     *  0x0000-0x0fff -- reserved
+     *  0x1000-0x1fff -- GIC Distributor
+     *  0x2000-0x2fff -- GIC CPU interface
+     *  0x4000-0x4fff -- GIC virtual interface control (not modelled)
+     *  0x5000-0x5fff -- GIC virtual interface control (not modelled)
+     *  0x6000-0x7fff -- GIC virtual CPU interface (not modelled)
+     */
+    memory_region_init(&s->container, "a15mp-priv-container", 0x8000);
+    memory_region_add_subregion(&s->container, 0x1000,
+                                sysbus_mmio_get_region(busdev, 0));
+    memory_region_add_subregion(&s->container, 0x2000,
+                                sysbus_mmio_get_region(busdev, 1));
+
+    sysbus_init_mmio(dev, &s->container);
+    return 0;
+}
+
+static Property a15mp_priv_properties[] = {
+    DEFINE_PROP_UINT32("num-cpu", A15MPPrivState, num_cpu, 1),
+    /* The Cortex-A15MP may have anything from 0 to 224 external interrupt
+     * IRQ lines (with another 32 internal). We default to 64+32, which
+     * is the number provided by the Cortex-A15MP test chip in the
+     * Versatile Express A15 development board.
+     * Other boards may differ and should set this property appropriately.
+     */
+    DEFINE_PROP_UINT32("num-irq", A15MPPrivState, num_irq, 96),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void a15mp_priv_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+    k->init = a15mp_priv_init;
+    dc->props = a15mp_priv_properties;
+    /* We currently have no savable state */
+}
+
+static const TypeInfo a15mp_priv_info = {
+    .name  = "a15mpcore_priv",
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size  = sizeof(A15MPPrivState),
+    .class_init = a15mp_priv_class_init,
+};
+
+static void a15mp_register_types(void)
+{
+    type_register_static(&a15mp_priv_info);
+}
+
+type_init(a15mp_register_types)