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/*
* 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/block-backend.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);
if (!cpu) {
error_report("Unable to find CPU definition");
exit(1);
}
env = &cpu->env;
memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2*1024*1024,
&error_fatal);
vmstate_register_ram_global(ext_cram);
memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", 4*1024*1024,
&error_fatal);
vmstate_register_ram_global(ext_dram);
memory_region_init_ram(int_cram, NULL, "powerlink_int_c.ram", 48*1024,
&error_fatal);
vmstate_register_ram_global(int_cram);
memory_region_init_ram(int_dram, NULL, "powerlink_int_d.ram", 48*1024,
&error_fatal);
vmstate_register_ram_global(int_dram);
memory_region_init_ram(pcp_data, NULL, "powerlink_pcp_data.ram", 16*1024,
&error_fatal);
vmstate_register_ram_global(pcp_data);
memory_region_init_ram(pcp_text, NULL, "powerlink_pcp_text.ram", 32*1024,
&error_fatal);
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);
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