diff options
| -rw-r--r-- | hw/tricore/Makefile.objs | 1 | ||||
| -rw-r--r-- | hw/tricore/tricore_testboard.c | 124 | ||||
| -rw-r--r-- | include/hw/tricore/tricore.h | 11 |
3 files changed, 136 insertions, 0 deletions
diff --git a/hw/tricore/Makefile.objs b/hw/tricore/Makefile.objs new file mode 100644 index 0000000..435e095 --- /dev/null +++ b/hw/tricore/Makefile.objs @@ -0,0 +1 @@ +obj-y += tricore_testboard.o diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c new file mode 100644 index 0000000..f412e27 --- /dev/null +++ b/hw/tricore/tricore_testboard.c @@ -0,0 +1,124 @@ +/* + * 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 "hw/hw.h" +#include "hw/devices.h" +#include "net/net.h" +#include "sysemu/sysemu.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "sysemu/blockdev.h" +#include "exec/address-spaces.h" +#include "hw/block/flash.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, (uint64_t *)&entry, NULL, + NULL, 0, + ELF_MACHINE, 1); + if (kernel_size <= 0) { + error_report("qemu: 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); + + if (!machine->cpu_model) { + machine->cpu_model = "tc1796"; + } + cpu = cpu_tricore_init(machine->cpu_model); + env = &cpu->env; + if (!cpu) { + error_report("Unable to find CPU definition"); + exit(1); + } + memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2*1024*1024); + vmstate_register_ram_global(ext_cram); + memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", 4*1024*1024); + vmstate_register_ram_global(ext_dram); + memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48*1024); + vmstate_register_ram_global(int_cram); + memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48*1024); + vmstate_register_ram_global(int_dram); + memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", 16*1024); + vmstate_register_ram_global(pcp_data); + memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", 32*1024); + vmstate_register_ram_global(pcp_text); + + 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 QEMUMachine ttb_machine = { + .name = "tricore_testboard", + .desc = "a minimal TriCore board", + .init = tricoreboard_init, + .is_default = 0, +}; + +static void tricore_testboard_machine_init(void) +{ + qemu_register_machine(&ttb_machine); +} + +machine_init(tricore_testboard_machine_init); diff --git a/include/hw/tricore/tricore.h b/include/hw/tricore/tricore.h new file mode 100644 index 0000000..5f13252 --- /dev/null +++ b/include/hw/tricore/tricore.h @@ -0,0 +1,11 @@ +#ifndef TRICORE_MISC_H +#define TRICORE_MISC_H 1 + +#include "exec/memory.h" +#include "hw/irq.h" + +struct tricore_boot_info { + uint64_t ram_size; + const char *kernel_filename; +}; +#endif |
