/* * TriCore Baseboard System emulation. * * Copyright (c) 2013-2014 Bastian Koppelmann C-Lab/University Paderborn * * 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 . */ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" #include "cpu.h" #include "net/net.h" #include "hw/boards.h" #include "hw/loader.h" #include "exec/address-spaces.h" #include "elf.h" #include "hw/tricore/tricore.h" #include "qemu/error-report.h" /* Board init. */ static struct tricore_boot_info tricoretb_binfo; static void tricore_load_kernel(CPUTriCoreState *env) { uint64_t entry; long kernel_size; kernel_size = load_elf(tricoretb_binfo.kernel_filename, NULL, NULL, NULL, &entry, NULL, NULL, 0, EM_TRICORE, 1, 0); if (kernel_size <= 0) { error_report("no kernel file '%s'", tricoretb_binfo.kernel_filename); exit(1); } env->PC = entry; } static void tricore_testboard_init(MachineState *machine, int board_id) { TriCoreCPU *cpu; CPUTriCoreState *env; MemoryRegion *sysmem = get_system_memory(); MemoryRegion *ext_cram = g_new(MemoryRegion, 1); MemoryRegion *ext_dram = g_new(MemoryRegion, 1); MemoryRegion *int_cram = g_new(MemoryRegion, 1); MemoryRegion *int_dram = g_new(MemoryRegion, 1); MemoryRegion *pcp_data = g_new(MemoryRegion, 1); MemoryRegion *pcp_text = g_new(MemoryRegion, 1); cpu = TRICORE_CPU(cpu_create(machine->cpu_type)); env = &cpu->env; memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2 * MiB, &error_fatal); memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", 4 * MiB, &error_fatal); memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48 * KiB, &error_fatal); memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48 * KiB, &error_fatal); memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", 16 * KiB, &error_fatal); memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", 32 * KiB, &error_fatal); memory_region_add_subregion(sysmem, 0x80000000, ext_cram); memory_region_add_subregion(sysmem, 0xa1000000, ext_dram); memory_region_add_subregion(sysmem, 0xd4000000, int_cram); memory_region_add_subregion(sysmem, 0xd0000000, int_dram); memory_region_add_subregion(sysmem, 0xf0050000, pcp_data); memory_region_add_subregion(sysmem, 0xf0060000, pcp_text); tricoretb_binfo.ram_size = machine->ram_size; tricoretb_binfo.kernel_filename = machine->kernel_filename; if (machine->kernel_filename) { tricore_load_kernel(env); } } static void tricoreboard_init(MachineState *machine) { tricore_testboard_init(machine, 0x183); } static void ttb_machine_init(MachineClass *mc) { mc->desc = "a minimal TriCore board"; mc->init = tricoreboard_init; mc->is_default = 0; mc->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc1796"); } DEFINE_MACHINE("tricore_testboard", ttb_machine_init)