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21#include "qemu/osdep.h"
22#include "qapi/error.h"
23#include "hw/cpu/a15mpcore.h"
24#include "sysemu/kvm.h"
25#include "kvm_arm.h"
26
27static void a15mp_priv_set_irq(void *opaque, int irq, int level)
28{
29 A15MPPrivState *s = (A15MPPrivState *)opaque;
30
31 qemu_set_irq(qdev_get_gpio_in(DEVICE(&s->gic), irq), level);
32}
33
34static void a15mp_priv_initfn(Object *obj)
35{
36 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
37 A15MPPrivState *s = A15MPCORE_PRIV(obj);
38
39 memory_region_init(&s->container, obj, "a15mp-priv-container", 0x8000);
40 sysbus_init_mmio(sbd, &s->container);
41
42 sysbus_init_child_obj(obj, "gic", &s->gic, sizeof(s->gic),
43 gic_class_name());
44 qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
45}
46
47static void a15mp_priv_realize(DeviceState *dev, Error **errp)
48{
49 SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
50 A15MPPrivState *s = A15MPCORE_PRIV(dev);
51 DeviceState *gicdev;
52 SysBusDevice *busdev;
53 int i;
54 Error *err = NULL;
55 bool has_el3;
56 bool has_el2 = false;
57 Object *cpuobj;
58
59 gicdev = DEVICE(&s->gic);
60 qdev_prop_set_uint32(gicdev, "num-cpu", s->num_cpu);
61 qdev_prop_set_uint32(gicdev, "num-irq", s->num_irq);
62
63 if (!kvm_irqchip_in_kernel()) {
64
65
66
67 cpuobj = OBJECT(qemu_get_cpu(0));
68 has_el3 = object_property_find(cpuobj, "has_el3", NULL) &&
69 object_property_get_bool(cpuobj, "has_el3", &error_abort);
70 qdev_prop_set_bit(gicdev, "has-security-extensions", has_el3);
71
72 has_el2 = object_property_find(cpuobj, "has_el2", NULL) &&
73 object_property_get_bool(cpuobj, "has_el2", &error_abort);
74 qdev_prop_set_bit(gicdev, "has-virtualization-extensions", has_el2);
75 }
76
77 object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
78 if (err != NULL) {
79 error_propagate(errp, err);
80 return;
81 }
82 busdev = SYS_BUS_DEVICE(&s->gic);
83
84
85 sysbus_pass_irq(sbd, busdev);
86
87
88 qdev_init_gpio_in(dev, a15mp_priv_set_irq, s->num_irq - 32);
89
90
91
92
93 for (i = 0; i < s->num_cpu; i++) {
94 DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
95 int ppibase = s->num_irq - 32 + i * 32;
96 int irq;
97
98
99
100 const int timer_irq[] = {
101 [GTIMER_PHYS] = 30,
102 [GTIMER_VIRT] = 27,
103 [GTIMER_HYP] = 26,
104 [GTIMER_SEC] = 29,
105 };
106 for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
107 qdev_connect_gpio_out(cpudev, irq,
108 qdev_get_gpio_in(gicdev,
109 ppibase + timer_irq[irq]));
110 }
111 if (has_el2) {
112
113 sysbus_connect_irq(SYS_BUS_DEVICE(gicdev), i + 4 * s->num_cpu,
114 qdev_get_gpio_in(gicdev, ppibase + 25));
115 }
116 }
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128
129 memory_region_add_subregion(&s->container, 0x1000,
130 sysbus_mmio_get_region(busdev, 0));
131 memory_region_add_subregion(&s->container, 0x2000,
132 sysbus_mmio_get_region(busdev, 1));
133 if (has_el2) {
134 memory_region_add_subregion(&s->container, 0x4000,
135 sysbus_mmio_get_region(busdev, 2));
136 memory_region_add_subregion(&s->container, 0x6000,
137 sysbus_mmio_get_region(busdev, 3));
138 for (i = 0; i < s->num_cpu; i++) {
139 hwaddr base = 0x5000 + i * 0x200;
140 MemoryRegion *mr = sysbus_mmio_get_region(busdev,
141 4 + s->num_cpu + i);
142 memory_region_add_subregion(&s->container, base, mr);
143 }
144 }
145}
146
147static Property a15mp_priv_properties[] = {
148 DEFINE_PROP_UINT32("num-cpu", A15MPPrivState, num_cpu, 1),
149
150
151
152
153
154
155 DEFINE_PROP_UINT32("num-irq", A15MPPrivState, num_irq, 160),
156 DEFINE_PROP_END_OF_LIST(),
157};
158
159static void a15mp_priv_class_init(ObjectClass *klass, void *data)
160{
161 DeviceClass *dc = DEVICE_CLASS(klass);
162
163 dc->realize = a15mp_priv_realize;
164 dc->props = a15mp_priv_properties;
165
166}
167
168static const TypeInfo a15mp_priv_info = {
169 .name = TYPE_A15MPCORE_PRIV,
170 .parent = TYPE_SYS_BUS_DEVICE,
171 .instance_size = sizeof(A15MPPrivState),
172 .instance_init = a15mp_priv_initfn,
173 .class_init = a15mp_priv_class_init,
174};
175
176static void a15mp_register_types(void)
177{
178 type_register_static(&a15mp_priv_info);
179}
180
181type_init(a15mp_register_types)
182