2 * QEMU SiFive Test Finisher
4 * Copyright (c) 2018 SiFive, Inc.
6 * Test finisher memory mapped device used to exit simulation
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2 or later, as published by the Free Software Foundation.
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "hw/sysbus.h"
23 #include "qemu/module.h"
24 #include "target/riscv/cpu.h"
25 #include "hw/riscv/sifive_test.h"
27 static uint64_t sifive_test_read(void *opaque
, hwaddr addr
, unsigned int size
)
32 static void sifive_test_write(void *opaque
, hwaddr addr
,
33 uint64_t val64
, unsigned int size
)
36 int status
= val64
& 0xffff;
37 int code
= (val64
>> 16) & 0xffff;
47 hw_error("%s: write: addr=0x%x val=0x%016" PRIx64
"\n",
48 __func__
, (int)addr
, val64
);
51 static const MemoryRegionOps sifive_test_ops
= {
52 .read
= sifive_test_read
,
53 .write
= sifive_test_write
,
54 .endianness
= DEVICE_NATIVE_ENDIAN
,
61 static void sifive_test_init(Object
*obj
)
63 SiFiveTestState
*s
= SIFIVE_TEST(obj
);
65 memory_region_init_io(&s
->mmio
, obj
, &sifive_test_ops
, s
,
66 TYPE_SIFIVE_TEST
, 0x1000);
67 sysbus_init_mmio(SYS_BUS_DEVICE(obj
), &s
->mmio
);
70 static const TypeInfo sifive_test_info
= {
71 .name
= TYPE_SIFIVE_TEST
,
72 .parent
= TYPE_SYS_BUS_DEVICE
,
73 .instance_size
= sizeof(SiFiveTestState
),
74 .instance_init
= sifive_test_init
,
77 static void sifive_test_register_types(void)
79 type_register_static(&sifive_test_info
);
82 type_init(sifive_test_register_types
)
88 DeviceState
*sifive_test_create(hwaddr addr
)
90 DeviceState
*dev
= qdev_create(NULL
, TYPE_SIFIVE_TEST
);
91 qdev_init_nofail(dev
);
92 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 0, addr
);