diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/tricore/meson.build | 1 | ||||
| -rw-r--r-- | hw/tricore/tricore_testboard.c | 8 | ||||
| -rw-r--r-- | hw/tricore/tricore_testdevice.c | 82 |
3 files changed, 91 insertions, 0 deletions
diff --git a/hw/tricore/meson.build b/hw/tricore/meson.build index 77ff6fd137..47e36bb077 100644 --- a/hw/tricore/meson.build +++ b/hw/tricore/meson.build @@ -1,5 +1,6 @@ tricore_ss = ss.source_set() tricore_ss.add(when: 'CONFIG_TRICORE', if_true: files('tricore_testboard.c')) +tricore_ss.add(when: 'CONFIG_TRICORE', if_true: files('tricore_testdevice.c')) tricore_ss.add(when: 'CONFIG_TRIBOARD', if_true: files('triboard.c')) tricore_ss.add(when: 'CONFIG_TC27X_SOC', if_true: files('tc27x_soc.c')) diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c index 51658d9e37..b6810e3be0 100644 --- a/hw/tricore/tricore_testboard.c +++ b/hw/tricore/tricore_testboard.c @@ -27,6 +27,7 @@ #include "hw/loader.h" #include "elf.h" #include "hw/tricore/tricore.h" +#include "hw/tricore/tricore_testdevice.h" #include "qemu/error-report.h" @@ -56,6 +57,7 @@ static void tricore_testboard_init(MachineState *machine, int board_id) { TriCoreCPU *cpu; CPUTriCoreState *env; + TriCoreTestDeviceState *test_dev; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ext_cram = g_new(MemoryRegion, 1); @@ -87,6 +89,12 @@ static void tricore_testboard_init(MachineState *machine, int board_id) memory_region_add_subregion(sysmem, 0xf0050000, pcp_data); memory_region_add_subregion(sysmem, 0xf0060000, pcp_text); + test_dev = g_new(TriCoreTestDeviceState, 1); + object_initialize(test_dev, sizeof(TriCoreTestDeviceState), + TYPE_TRICORE_TESTDEVICE); + memory_region_add_subregion(sysmem, 0xf0000000, &test_dev->iomem); + + tricoretb_binfo.ram_size = machine->ram_size; tricoretb_binfo.kernel_filename = machine->kernel_filename; diff --git a/hw/tricore/tricore_testdevice.c b/hw/tricore/tricore_testdevice.c new file mode 100644 index 0000000000..a1563aa568 --- /dev/null +++ b/hw/tricore/tricore_testdevice.c @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018-2021 Bastian Koppelmann Paderborn University + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * 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 "hw/sysbus.h" +#include "hw/qdev-properties.h" +#include "hw/tricore/tricore_testdevice.h" + +static void tricore_testdevice_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + exit(value); +} + +static uint64_t tricore_testdevice_read(void *opaque, hwaddr offset, + unsigned size) +{ + return 0xdeadbeef; +} + +static void tricore_testdevice_reset(DeviceState *dev) +{ +} + +static const MemoryRegionOps tricore_testdevice_ops = { + .read = tricore_testdevice_read, + .write = tricore_testdevice_write, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void tricore_testdevice_init(Object *obj) +{ + TriCoreTestDeviceState *s = TRICORE_TESTDEVICE(obj); + /* map memory */ + memory_region_init_io(&s->iomem, OBJECT(s), &tricore_testdevice_ops, s, + "tricore_testdevice", 0x4); +} + +static Property tricore_testdevice_properties[] = { + DEFINE_PROP_END_OF_LIST() +}; + +static void tricore_testdevice_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + device_class_set_props(dc, tricore_testdevice_properties); + dc->reset = tricore_testdevice_reset; +} + +static const TypeInfo tricore_testdevice_info = { + .name = TYPE_TRICORE_TESTDEVICE, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(TriCoreTestDeviceState), + .instance_init = tricore_testdevice_init, + .class_init = tricore_testdevice_class_init, +}; + +static void tricore_testdevice_register_types(void) +{ + type_register_static(&tricore_testdevice_info); +} + +type_init(tricore_testdevice_register_types) |