| /* |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "qemu-common.h" |
| #include "cpu.h" |
| #include "hw/hw.h" |
| #include "hw/devices.h" |
| #include "net/net.h" |
| #include "sysemu/sysemu.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, &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 * 1024 * 1024, &error_fatal); |
| memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", |
| 4 * 1024 * 1024, &error_fatal); |
| memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48 * 1024, |
| &error_fatal); |
| memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48 * 1024, |
| &error_fatal); |
| memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", |
| 16 * 1024, &error_fatal); |
| memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", |
| 32 * 1024, &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) |