582079c9d2
this device is used to verify the correctness of regression tests by allowing guests to write their exit status to this device. This is then used by qemu to exit using the written status. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210305170045.869437-4-kbastian@mail.uni-paderborn.de> Message-Id: <20210512102051.12134-14-alex.bennee@linaro.org>
119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*
|
|
* 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)
|