mirror of https://gitee.com/openkylin/qemu.git
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*
|
|
* libqos driver framework
|
|
*
|
|
* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "libqtest.h"
|
|
#include "libqos/malloc.h"
|
|
#include "libqos/qgraph.h"
|
|
#include "libqos/virtio-mmio.h"
|
|
|
|
#define ARM_PAGE_SIZE 4096
|
|
#define VIRTIO_MMIO_BASE_ADDR 0x0A003E00
|
|
#define ARM_VIRT_RAM_ADDR 0x40000000
|
|
#define ARM_VIRT_RAM_SIZE 0x20000000
|
|
#define VIRTIO_MMIO_SIZE 0x00000200
|
|
|
|
typedef struct QVirtMachine QVirtMachine;
|
|
|
|
struct QVirtMachine {
|
|
QOSGraphObject obj;
|
|
QGuestAllocator alloc;
|
|
QVirtioMMIODevice virtio_mmio;
|
|
};
|
|
|
|
static void virt_destructor(QOSGraphObject *obj)
|
|
{
|
|
QVirtMachine *machine = (QVirtMachine *) obj;
|
|
alloc_destroy(&machine->alloc);
|
|
}
|
|
|
|
static void *virt_get_driver(void *object, const char *interface)
|
|
{
|
|
QVirtMachine *machine = object;
|
|
if (!g_strcmp0(interface, "memory")) {
|
|
return &machine->alloc;
|
|
}
|
|
|
|
fprintf(stderr, "%s not present in arm/virtio\n", interface);
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
static QOSGraphObject *virt_get_device(void *obj, const char *device)
|
|
{
|
|
QVirtMachine *machine = obj;
|
|
if (!g_strcmp0(device, "virtio-mmio")) {
|
|
return &machine->virtio_mmio.obj;
|
|
}
|
|
|
|
fprintf(stderr, "%s not present in arm/virtio\n", device);
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
static void *qos_create_machine_arm_virt(QTestState *qts)
|
|
{
|
|
QVirtMachine *machine = g_new0(QVirtMachine, 1);
|
|
|
|
alloc_init(&machine->alloc, 0,
|
|
ARM_VIRT_RAM_ADDR,
|
|
ARM_VIRT_RAM_ADDR + ARM_VIRT_RAM_SIZE,
|
|
ARM_PAGE_SIZE);
|
|
qvirtio_mmio_init_device(&machine->virtio_mmio, qts, VIRTIO_MMIO_BASE_ADDR,
|
|
VIRTIO_MMIO_SIZE);
|
|
|
|
machine->obj.get_device = virt_get_device;
|
|
machine->obj.get_driver = virt_get_driver;
|
|
machine->obj.destructor = virt_destructor;
|
|
return machine;
|
|
}
|
|
|
|
static void virtio_mmio_register_nodes(void)
|
|
{
|
|
qos_node_create_machine("arm/virt", qos_create_machine_arm_virt);
|
|
qos_node_contains("arm/virt", "virtio-mmio", NULL);
|
|
}
|
|
|
|
libqos_init(virtio_mmio_register_nodes);
|