1 /*
2 * Infineon TriBoard System emulation.
3 *
4 * Copyright (c) 2020 Andreas Konopik <andreas.konopik@efs-auto.de>
5 * Copyright (c) 2020 David Brenken <david.brenken@efs-auto.de>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "qemu/osdep.h"
22 #include "qemu/units.h"
23 #include "qapi/error.h"
24 #include "hw/qdev-properties.h"
25 #include "net/net.h"
26 #include "hw/loader.h"
27 #include "elf.h"
28 #include "hw/tricore/tricore.h"
29 #include "qemu/error-report.h"
30
31 #include "hw/tricore/triboard.h"
32 #include "hw/tricore/tc27x_soc.h"
33
tricore_load_kernel(TriCoreCPU * cpu,const char * kernel_filename)34 static void tricore_load_kernel(TriCoreCPU *cpu, const char *kernel_filename)
35 {
36 uint64_t entry;
37 long kernel_size;
38 CPUTriCoreState *env;
39
40 kernel_size = load_elf(kernel_filename, NULL,
41 NULL, NULL, &entry, NULL,
42 NULL, NULL, ELFDATA2LSB,
43 EM_TRICORE, 1, 0);
44 if (kernel_size <= 0) {
45 error_report("no kernel file '%s'", kernel_filename);
46 exit(1);
47 }
48 env = &cpu->env;
49 env->PC = entry;
50 }
51
52
triboard_machine_init(MachineState * machine)53 static void triboard_machine_init(MachineState *machine)
54 {
55 TriBoardMachineState *ms = TRIBOARD_MACHINE(machine);
56 TriBoardMachineClass *amc = TRIBOARD_MACHINE_GET_CLASS(machine);
57
58 object_initialize_child(OBJECT(machine), "soc", &ms->tc27x_soc,
59 amc->soc_name);
60 sysbus_realize(SYS_BUS_DEVICE(&ms->tc27x_soc), &error_fatal);
61
62 if (machine->kernel_filename) {
63 tricore_load_kernel(&ms->tc27x_soc.cpu, machine->kernel_filename);
64 }
65 }
66
triboard_machine_tc277d_class_init(ObjectClass * oc,const void * data)67 static void triboard_machine_tc277d_class_init(ObjectClass *oc,
68 const void *data)
69 {
70 MachineClass *mc = MACHINE_CLASS(oc);
71 TriBoardMachineClass *amc = TRIBOARD_MACHINE_CLASS(oc);
72
73 mc->init = triboard_machine_init;
74 mc->desc = "Infineon AURIX TriBoard TC277 (D-Step)";
75 mc->max_cpus = 1;
76 amc->soc_name = "tc277d-soc";
77 };
78
79 static const TypeInfo triboard_machine_types[] = {
80 {
81 .name = MACHINE_TYPE_NAME("KIT_AURIX_TC277_TRB"),
82 .parent = TYPE_TRIBOARD_MACHINE,
83 .class_init = triboard_machine_tc277d_class_init,
84 }, {
85 .name = TYPE_TRIBOARD_MACHINE,
86 .parent = TYPE_MACHINE,
87 .instance_size = sizeof(TriBoardMachineState),
88 .class_size = sizeof(TriBoardMachineClass),
89 .abstract = true,
90 },
91 };
92
93 DEFINE_TYPES(triboard_machine_types)
94