2 * libqos driver framework
4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License version 2 as published by the Free Software Foundation.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, see <http://www.gnu.org/licenses/>
19 #include "qemu/osdep.h"
21 #include "libqos/malloc.h"
22 #include "libqos/qgraph.h"
23 #include "libqos/virtio-mmio.h"
25 #define ARM_PAGE_SIZE 4096
26 #define VIRTIO_MMIO_BASE_ADDR 0x0A003E00
27 #define ARM_VIRT_RAM_ADDR 0x40000000
28 #define ARM_VIRT_RAM_SIZE 0x20000000
29 #define VIRTIO_MMIO_SIZE 0x00000200
31 typedef struct QVirtMachine QVirtMachine
;
35 QGuestAllocator alloc
;
36 QVirtioMMIODevice virtio_mmio
;
39 static void virt_destructor(QOSGraphObject
*obj
)
41 QVirtMachine
*machine
= (QVirtMachine
*) obj
;
42 alloc_destroy(&machine
->alloc
);
45 static void *virt_get_driver(void *object
, const char *interface
)
47 QVirtMachine
*machine
= object
;
48 if (!g_strcmp0(interface
, "memory")) {
49 return &machine
->alloc
;
52 fprintf(stderr
, "%s not present in arm/virtio\n", interface
);
53 g_assert_not_reached();
56 static QOSGraphObject
*virt_get_device(void *obj
, const char *device
)
58 QVirtMachine
*machine
= obj
;
59 if (!g_strcmp0(device
, "virtio-mmio")) {
60 return &machine
->virtio_mmio
.obj
;
63 fprintf(stderr
, "%s not present in arm/virtio\n", device
);
64 g_assert_not_reached();
67 static void *qos_create_machine_arm_virt(QTestState
*qts
)
69 QVirtMachine
*machine
= g_new0(QVirtMachine
, 1);
71 alloc_init(&machine
->alloc
, 0,
73 ARM_VIRT_RAM_ADDR
+ ARM_VIRT_RAM_SIZE
,
75 qvirtio_mmio_init_device(&machine
->virtio_mmio
, qts
, VIRTIO_MMIO_BASE_ADDR
,
78 machine
->obj
.get_device
= virt_get_device
;
79 machine
->obj
.get_driver
= virt_get_driver
;
80 machine
->obj
.destructor
= virt_destructor
;
84 static void virtio_mmio_register_nodes(void)
86 qos_node_create_machine("arm/virt", qos_create_machine_arm_virt
);
87 qos_node_contains("arm/virt", "virtio-mmio", NULL
);
90 libqos_init(virtio_mmio_register_nodes
);