Projet_SETI_RISC-V/riscv-gnu-toolchain/qemu/tests/qtest/libqos/arm-n800-machine.c
2023-03-06 14:48:14 +01:00

92 lines
2.5 KiB
C

/*
* libqos driver framework
*
* Copyright (c) 2019 Red Hat, Inc.
*
* Author: Paolo Bonzini <pbonzini@redhat.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 2.1 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 "malloc.h"
#include "qgraph.h"
#include "i2c.h"
#define ARM_PAGE_SIZE 4096
#define N800_RAM_START 0x80000000
#define N800_RAM_END 0x88000000
typedef struct QN800Machine QN800Machine;
struct QN800Machine {
QOSGraphObject obj;
QGuestAllocator alloc;
OMAPI2C i2c_1;
};
static void *n800_get_driver(void *object, const char *interface)
{
QN800Machine *machine = object;
if (!g_strcmp0(interface, "memory")) {
return &machine->alloc;
}
fprintf(stderr, "%s not present in arm/n800\n", interface);
g_assert_not_reached();
}
static QOSGraphObject *n800_get_device(void *obj, const char *device)
{
QN800Machine *machine = obj;
if (!g_strcmp0(device, "omap_i2c")) {
return &machine->i2c_1.obj;
}
fprintf(stderr, "%s not present in arm/n800\n", device);
g_assert_not_reached();
}
static void n800_destructor(QOSGraphObject *obj)
{
QN800Machine *machine = (QN800Machine *) obj;
alloc_destroy(&machine->alloc);
}
static void *qos_create_machine_arm_n800(QTestState *qts)
{
QN800Machine *machine = g_new0(QN800Machine, 1);
alloc_init(&machine->alloc, 0,
N800_RAM_START,
N800_RAM_END,
ARM_PAGE_SIZE);
machine->obj.get_device = n800_get_device;
machine->obj.get_driver = n800_get_driver;
machine->obj.destructor = n800_destructor;
omap_i2c_init(&machine->i2c_1, qts, 0x48070000);
return &machine->obj;
}
static void n800_register_nodes(void)
{
QOSGraphEdgeOptions edge = {
.extra_device_opts = "bus=i2c-bus.0"
};
qos_node_create_machine("arm/n800", qos_create_machine_arm_n800);
qos_node_contains("arm/n800", "omap_i2c", &edge, NULL);
}
libqos_init(n800_register_nodes);