| 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/core/qdev-properties.h" |
| 25 | #include "net/net.h" |
| 26 | #include "hw/core/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 | |
| 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 | |
| 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 | |
| 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) |