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 34 static void tricore_load_kernel(const char *kernel_filename) 35 { 36 uint64_t entry; 37 long kernel_size; 38 TriCoreCPU *cpu; 39 CPUTriCoreState *env; 40 41 kernel_size = load_elf(kernel_filename, NULL, 42 NULL, NULL, &entry, NULL, 43 NULL, NULL, 0, 44 EM_TRICORE, 1, 0); 45 if (kernel_size <= 0) { 46 error_report("no kernel file '%s'", kernel_filename); 47 exit(1); 48 } 49 cpu = TRICORE_CPU(first_cpu); 50 env = &cpu->env; 51 env->PC = entry; 52 } 53 54 55 static void triboard_machine_init(MachineState *machine) 56 { 57 TriBoardMachineState *ms = TRIBOARD_MACHINE(machine); 58 TriBoardMachineClass *amc = TRIBOARD_MACHINE_GET_CLASS(machine); 59 60 object_initialize_child(OBJECT(machine), "soc", &ms->tc27x_soc, 61 amc->soc_name); 62 sysbus_realize(SYS_BUS_DEVICE(&ms->tc27x_soc), &error_fatal); 63 64 if (machine->kernel_filename) { 65 tricore_load_kernel(machine->kernel_filename); 66 } 67 } 68 69 static void triboard_machine_tc277d_class_init(ObjectClass *oc, 70 void *data) 71 { 72 MachineClass *mc = MACHINE_CLASS(oc); 73 TriBoardMachineClass *amc = TRIBOARD_MACHINE_CLASS(oc); 74 75 mc->init = triboard_machine_init; 76 mc->desc = "Infineon AURIX TriBoard TC277 (D-Step)"; 77 mc->max_cpus = 1; 78 amc->soc_name = "tc277d-soc"; 79 }; 80 81 static const TypeInfo triboard_machine_types[] = { 82 { 83 .name = MACHINE_TYPE_NAME("KIT_AURIX_TC277_TRB"), 84 .parent = TYPE_TRIBOARD_MACHINE, 85 .class_init = triboard_machine_tc277d_class_init, 86 }, { 87 .name = TYPE_TRIBOARD_MACHINE, 88 .parent = TYPE_MACHINE, 89 .instance_size = sizeof(TriBoardMachineState), 90 .class_size = sizeof(TriBoardMachineClass), 91 .abstract = true, 92 }, 93 }; 94 95 DEFINE_TYPES(triboard_machine_types) 96