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Diffstat (limited to 'hw/tricore/tricore_testboard.c')
| -rw-r--r-- | hw/tricore/tricore_testboard.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c new file mode 100644 index 00000000..b6810e3b --- /dev/null +++ b/hw/tricore/tricore_testboard.c @@ -0,0 +1,118 @@ +/* + * 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 2.1 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 "qemu/units.h" +#include "qapi/error.h" +#include "cpu.h" +#include "net/net.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "elf.h" +#include "hw/tricore/tricore.h" +#include "hw/tricore/tricore_testdevice.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, 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; + TriCoreTestDeviceState *test_dev; + + 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); + + test_dev = g_new(TriCoreTestDeviceState, 1); + object_initialize(test_dev, sizeof(TriCoreTestDeviceState), + TYPE_TRICORE_TESTDEVICE); + memory_region_add_subregion(sysmem, 0xf0000000, &test_dev->iomem); + + + 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->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc1796"); +} + +DEFINE_MACHINE("tricore_testboard", ttb_machine_init) |