Signed-off-by: Michael Rolnik <mrol...@gmail.com> --- MAINTAINERS | 1 + hw/arc/Makefile.objs | 21 ++++++++++++++ hw/arc/sample.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 102 insertions(+) create mode 100644 hw/arc/Makefile.objs create mode 100644 hw/arc/sample.c
diff --git a/MAINTAINERS b/MAINTAINERS index 0500cf5..6d7ce0b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -103,6 +103,7 @@ ARC M: Michael Rolnik <mrol...@gmail.com> S: Maintained F: target-arc/ +F: hw/arc ARM M: Peter Maydell <peter.mayd...@linaro.org> diff --git a/hw/arc/Makefile.objs b/hw/arc/Makefile.objs new file mode 100644 index 0000000..5ac5cb7 --- /dev/null +++ b/hw/arc/Makefile.objs @@ -0,0 +1,21 @@ +# +# QEMU ARC CPU +# +# Copyright (c) 2016 Michael Rolnik +# +# 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/lgpl-2.1.html> +# + +obj-y += sample.o diff --git a/hw/arc/sample.c b/hw/arc/sample.c new file mode 100644 index 0000000..e8620af --- /dev/null +++ b/hw/arc/sample.c @@ -0,0 +1,80 @@ +/* + * QEMU ARC CPU + * + * Copyright (c) 2016 Michael Rolnik + * + * 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/lgpl-2.1.html> + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qemu-common.h" +#include "cpu.h" +#include "hw/hw.h" +#include "sysemu/sysemu.h" +#include "sysemu/qtest.h" +#include "ui/console.h" +#include "hw/boards.h" +#include "hw/devices.h" +#include "hw/loader.h" +#include "qemu/error-report.h" +#include "exec/address-spaces.h" +#include "include/hw/sysbus.h" + +#define SIZE_RAM 0x00020000 + +static void sample_init(MachineState *machine) +{ + MemoryRegion *mem; + MemoryRegion *ram; + + ARCCPU *cpu_arc ATTRIBUTE_UNUSED; + + mem = g_new(MemoryRegion, 1); + ram = g_new(MemoryRegion, 1); + + cpu_arc = cpu_arc_init("any"); + + memory_region_allocate_system_memory(mem, NULL, "arc.mem", SIZE_RAM); + + memory_region_init_ram(ram, NULL, "ram", SIZE_RAM, &error_fatal); + memory_region_add_subregion(get_system_memory(), PHYS_BASE_RAM, ram); + vmstate_register_ram_global(ram); + + char const *firmware = NULL; + char const *filename; + + if (machine->firmware) { + firmware = machine->firmware; + } + + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, firmware); + if (!filename) { + error_report("Could not find flash image file '%s'", firmware); + exit(1); + } + + load_image_targphys(filename, PHYS_BASE_RAM + 0x100, SIZE_RAM); +} + +static void sample_machine_init(MachineClass *mc) +{ + mc->desc = "ARC sample/example board"; + mc->init = sample_init; + mc->is_default = 1; +} + +DEFINE_MACHINE("sample", sample_machine_init) + -- 2.4.9 (Apple Git-60)
